nix flake, mostly things nix

3 files changed, 1877 insertions, 0 deletions

diff --git a/org/config_git.org b/org/config_git.org
new file mode 100644
index 0000000..e042f2d
--- /dev/null
+++ b/org/config_git.org
@@ -0,0 +1,104 @@
+-*- mode: org -*-
+#+TITLE:       configuration git
+#+DESCRIPTION: documents - structuring, various output representations & search
+#+FILETAGS:    :spine:hub:
+#+AUTHOR:      Ralph Amissah
+#+EMAIL:       [[mailto:ralph.amissah@gmail.com][ralph.amissah@gmail.com]]
+#+COPYRIGHT:   Copyright (C) 2015 - 2022 Ralph Amissah
+#+LANGUAGE:    en
+#+STARTUP:     content hideblocks hidestars noindent entitiespretty
+#+PROPERTY:    header-args  :exports code
+#+PROPERTY:    header-args+ :noweb yes
+#+PROPERTY:    header-args+ :results no
+#+PROPERTY:    header-args+ :cache no
+#+PROPERTY:    header-args+ :padline no
+#+PROPERTY:    header-args+ :mkdirp yes
+#+OPTIONS:     H:3 num:nil toc:t \n:t ::t |:t ^:nil -:t f:t *:t
+
+* spine markup samples
+** .gitignore :gitignore:
+
+#+HEADER: :tangle "../.gitignore"
+#+BEGIN_SRC sh
+# git ls-files --others --exclude-from=.git/info/exclude
+# git check-ignore -v flake.lock
+# git clean -ix
+# find . -name "*_" | xargs rm -rf
+# find . -name "*.o" | xargs rm -rf
+*
+!.gitignore
+!.gitattributes
+!nix/**
+!*.nix
+!flake.lock
+!.envrc
+!README
+!COPYRIGHT
+!CHANGELOG
+!makefile
+!version.txt
+!configuration.txt
+!*.json
+!*.sdl
+!tangle
+!*.org
+!org
+!org/*.org
+!.dr
+!.dr/*
+!markup/
+!markup/pod/
+!markup/pod/*/
+!markup/pod/*/pod.manifest
+!markup/pod/*/conf/
+!markup/pod/*/conf/sisu_document_make
+!markup/pod/*/media/
+!markup/pod/*/media/text/
+!markup/pod/*/media/text/*/
+!markup/pod/*/media/text/*/*.sst
+!markup/pod/*/media/text/*/*.ssm
+!markup/pod/*/media/text/*/*.ssi
+!markup/pod/*/media/image/
+!markup/pod/*/media/image/*.png
+!markup/pod/*/media/image/*.jpg
+!markup/pod/*/media/image/*.PNG
+!markup/pod/*/media/image/*.JPG
+!markup/pod/*/tools/
+!markup/pod/*/tools/po4a/
+!markup/pod/*/tools/po4a/pot/
+!markup/pod/*/tools/po4a/pot/*.sst.pot
+!markup/pod/*/tools/po4a/pot/*.ssm.pot
+!markup/pod/*/tools/po4a/pot/*.ssi.pot
+!markup/pod/*/tools/po4a/po/
+!markup/pod/*/tools/po4a/po/*/
+!markup/pod/*/tools/po4a/po/*/*.sst.po
+!markup/pod/*/tools/po4a/po/*/*.ssm.po
+!markup/pod/*/tools/po4a/po/*/*.ssi.po
+.dub/**
+**/.dub/**
+tmp/**
+*_.org
+*_.nix
+*_.d
+*_.txt
+*_
+*.swp
+*~
+\#*
+*.\#*
+!.envrc-local_
+#!*/
+#\#*
+#*.\#*
+#.reggae/**
+#+END_SRC
+
+** .gitattributes :gitattributes:
+
+#+HEADER: :tangle "../.gitattributes"
+#+BEGIN_SRC sh
+/org export-ignore
+.gitattributes export-ignore
+.gitignore export-ignore
+tangle export-ignore
+#+END_SRC
diff --git a/org/config_make.org b/org/config_make.org
new file mode 100644
index 0000000..b603bfe
--- /dev/null
+++ b/org/config_make.org
@@ -0,0 +1,927 @@
+-*- mode: org -*-
+#+TITLE:       spine (doc_reform) (project) makefile
+#+DESCRIPTION: makefile for spine
+#+FILETAGS:    :spine:build:tools:
+#+AUTHOR:      Ralph Amissah
+#+EMAIL:       [[mailto:ralph.amissah@gmail.com][ralph.amissah@gmail.com]]
+#+COPYRIGHT:   Copyright (C) 2015 - 2022 Ralph Amissah
+#+LANGUAGE:    en
+#+STARTUP:     content hideblocks hidestars noindent entitiespretty
+#+PROPERTY:    header-args  :exports code
+#+PROPERTY:    header-args+ :noweb yes
+#+PROPERTY:    header-args+ :results no
+#+PROPERTY:    header-args+ :cache no
+#+PROPERTY:    header-args+ :padline no
+#+PROPERTY:    header-args+ :mkdirp yes
+
+- [[./doc-reform.org][doc-reform.org]]  [[../org/][org/]]
+
+#+HEADER: :tangle ../makefile
+#+HEADER: :noweb yes
+#+BEGIN_SRC makefile
+PROG_VER_GIT :=$(shell echo `git describe --long --tags | sed -e "s/^[ a-z_-]\+\([0-9.]\+\)/\1/;s/\([^-]*-g\)/r\1/;s/-/./g"`)
+#PROG_VER_DECLARED :=$(shell echo `cat ./views/version.txt | grep --color=never "enum" | sed 's/.\+(\([0-9]\+\),[ \t]\+\([0-9]\+\),[ \t]\+\([0-9]\+\)[ \t]*).\+/\1.\2.\3/g'`)
+DUB=dub
+DUB_FLAGS=-v --force --compiler=
+PRG_NAME=doc-reform
+PRG_NICKAME=spine
+PRG_NAME_DIR=$(shell echo `echo $(PRG_NAME) | sed -e "s/-/_/g"`)
+PRG_SRC=$(PRG_NAME).d
+PRG_SRCDIR=./src
+PRG_BIN=$(PRG_NAME)
+PRG_BINDIR=./bin
+PRG_DOCDIR=./docs
+EMACSLISP=/usr/share/emacs/site-lisp
+ORG_VER_AVAILABLE=$(shell echo `ls -d ~/.emacs.d/elpa/org-???????? | cut -d '-' -f2`)
+EMACSLISP_ORG=~/.emacs.d/elpa/org-$($(shell echo $(ORG_VER_AVAILABLE)))
+ORG_CONTRIB_VER_AVAILABLE=$(shell echo `ls -d ~/.emacs.d/elpa/org-plus-contrib-???????? | cut -d '-' -f2`)
+EMACSLISP_ORG_CONTRIB=~/.emacs.d/elpa/org-plus-contrib-$($(shell echo $(ORG_CONTRIB_VER_AVAILABLE)))
+ORGFILELIST=$(shell echo `ls -1 org/*.org`)
+ORGFILES=""
+ORGDIR :=$(shell echo `pwd`)
+SiSU_MARKUP_SAMPLES_FIND_PODS= \
+find data/pod -maxdepth 2 -name pod.manifest | cut -f 1-3 -d / | sort
+
+SiSU_MARKUP_SAMPLES_PODS_FOUND= \
+$(SiSU_MARKUP_SAMPLES_FIND_PODS) | xargs
+
+# SiSU_MARKUP_SAMPLES_DIR_FILES_FOUND = \
+# find data/sisudir/media/text -name *.ss[tm] | sort | xargs
+#
+Date                    := `date "+%Y%m%d"`
+SpineBIN                := "${SpineBIN}" # './result/bin'
+SpineOUT                := "${SpineOUT}" # '/srv/www/spine'
+SpinePOD                := "${SpinePOD}" # '~/grotto/repo/git.repo/projects/doc-reform/data/markup/spine-samples/markup/pod'
+SpineSearchActionLocal  := 'http://localhost/spine_search'
+SpineSearchActionRemote := 'https://sisudoc.org/spine_search'
+SpineCGIform            := 'spine_search'
+SpineSQLdb              := 'spine.search.db'
+hwd                     := `pwd`
+gwd                     := `pwd` + "/src/ext_depends"
+deps                    := "`ls -gx './src/ext_depends'`"
+dirs_loc                := "`ls -gx '.'`"
+#dirs                    := "`ls -gx ${gwd}`"
+
+commands:
+	rg --color=always -B1 "^[a-z]\w+:" makefile | less
+
+cmd:
+	rg --color=always -B1 "^[a-z]\w+:" makefile | page
+
+# tangle org files
+org-tangle:
+	cd ./org; \
+	org-tangle *.org; \
+	cd -
+
+# epub output
+out-epub:
+	${SpineBIN}/spine -v \
+	--epub --output=${SpineOUT} ${SpinePOD}/*
+
+# html output with local search links
+out-html:
+	${SpineBIN}/spine -v --generated-by \
+	--curate \
+	--html --html-link-search --html-link-curate --cgi-url-action="${SpineSearchActionLocal}" \
+	--output=${SpineOUT} ${SpinePOD}/*
+
+# latex output
+out-latex:
+	${SpineBIN}/spine -v \
+	--latex \
+	--output=${SpineOUT} ${SpinePOD}/*
+
+# odf output
+out-odf:
+	${SpineBIN}/spine -v \
+	--odf \
+	--output=${SpineOUT} ${SpinePOD}/*
+
+# sqlite output
+out-sqlite:
+	${SpineBIN}/spine -v \
+	--sqlite-update --sqlite-db-filename="${SpineSQLdb}" \
+	--output=${SpineOUT} ${SpinePOD}/*
+
+# generate markup sample output with local search links
+output-samples-local:
+	${SpineBIN}/spine -v \
+	--latex --latex-init \
+	--epub \
+	--html --html-link-search --html-link-pdf --html-link-curate --html-link-markup \
+	--cgi-sqlite-search-filename="${SpineCGIform}" --cgi-url-action="${SpineSearchActionLocal}" \
+	--curate \
+	--sqlite-update --sqlite-db-filename="${SpineSQLdb}" \
+	--output=${SpineOUT} ${SpinePOD}/*
+
+# generate markup sample output with remote search links
+output-samples-remote:
+	${SpineBIN}/spine -v \
+	--generated-by \
+	--latex --latex-init \
+	--epub \
+	--html --html-link-search --html-link-pdf --html-link-curate \
+	--cgi-sqlite-search-filename="${SpineCGIform}" --cgi-url-action="${SpineSearchActionRemote}" \
+	--curate \
+	--sqlite-update --sqlite-db-filename="${SpineSQLdb}" \
+	--output=${SpineOUT} ${SpinePOD}/*
+
+# generate markup sample output with local search links
+output-samples: output-samples-local
+
+# nix build (remote) run
+generate-output-remote: nix-build output-samples-remote
+
+# nix build (local) run
+generate-output-local: nix-build output-samples-local
+
+# preview org files vim
+files-vim:
+	fd --max-depth 6 --type file -g "*" | sort \
+	| fzf \
+	  --preview='bat --color "always" {}' \
+	  --preview-window=right:66% \
+	  --bind="enter:execute(nvim {})"; \
+
+# preview org files emacs
+files-emacs:
+	fd --max-depth 6 --type file -g "*" | sort \
+	| fzf \
+	  --preview='bat --color "always" {}' \
+	  --preview-window=right:66% \
+	  --bind="enter:execute(emacsclient -nw -a -f {})"; \
+
+# preview org files vim
+org-vim:
+	cd ./org; \
+	fd --max-depth 5 --type file -g "*.org" | sort \
+	| fzf \
+	  --preview='bat --color "always" {}' \
+	  --preview-window=right:66% \
+	  --bind="enter:execute(nvim {})"; \
+	cd -
+
+# preview org files emacs
+org-emacs:
+	cd ./org; \
+	fd --max-depth 5 --type file -g "*.org" | sort \
+	| fzf \
+	  --preview='bat --color "always" {}' \
+	  --preview-window=right:66% \
+	  --bind="enter:execute(emacsclient -nw -a -f {})"; \
+	cd -
+
+## search org files (view in vim)
+#org-v find:
+#	cd ./org; \
+#	rg --files-with-matches --no-messages "${find}" | \
+#	fzf --multi --ansi --print0 \
+#	  --preview-window=right:66% \
+#	  --preview="rg --pretty --after-context 3 --before-context 2 -- \"${find}\" {}" \
+#	  --bind="enter:execute(nvim -c \"silent! /${find}\" {1})"; \
+#	cd -
+#
+## search org files (view in emacsclient)
+#org-e find:
+#	cd ./org; \
+#	rg --files-with-matches --no-messages "${find}" | \
+#	fzf --multi --ansi --print0 \
+#	  --preview-window=right:66% \
+#	  --preview="rg --pretty --after-context 3 --before-context 2 -- \"${find}\" {}" \
+#	  --bind="enter:execute(emacsclient -nw -a -f {})"; \
+#	cd -
+#
+## search tips.org files (view in emacs)
+#org-E find:
+#	cd ./org; \
+#	rg --files-with-matches --no-messages "${find}" | \
+#	fzf --multi --ansi --print0 \
+#	  --preview-window=right:66% \
+#	  --preview="rg --pretty --after-context 3 --before-context 2 -- \"${find}\" {}" \
+#	  --bind="enter:execute(emacs {} &)"; \
+#	cd -
+#
+## search for in directory specified (view in vim, uses rg & fzf) ["find" for emacs]
+#sDir-v find dir:
+#	cd ${dir}; \
+#	rg --files-with-matches --no-messages "${find}" | \
+#	fzf --multi --ansi --print0 \
+#	  --preview-window=right:66% \
+#	  --preview="rg --pretty --after-context 3 --before-context 2 -- \"${find}\" {}" \
+#	  --bind="enter:execute(nvim -c \"silent! /${find}\" {1})"; \
+#	cd -
+#
+## search for in directory specified (view in emacs, uses rg & fzf) ["search" for emacs]
+#sDir-e find dir:
+#	cd ${dir}; \
+#	rg --files-with-matches --no-messages "${find}" | \
+#	fzf --multi --ansi --print0 \
+#	  --preview-window=right:66% \
+#	  --preview="rg --pretty --after-context 3 --before-context 2 -- \"${find}\" {}" \
+#	  --bind="enter:execute(emacsclient -nw -a -f {})"; \
+#	cd -
+#
+## search for in directory specified (view in emacs, uses rg & fzf) ["search" for emacs]
+#sDir-E find dir:
+#	cd ${dir}; \
+#	rg --files-with-matches --no-messages "${find}" | \
+#	fzf --multi --ansi --print0 \
+#	  --preview-window=right:66% \
+#	  --preview="rg --pretty --after-context 3 --before-context 2 -- \"${find}\" {}" \
+#	  --bind="enter:execute(emacs {} &)"; \
+#	cd -
+
+# show markup pod source selections
+markup:
+	ls -1 --color=always ${SpinePOD}
+	ls -1 -d --color=always ${SpinePOD}/*/
+
+# show markup pod source tree
+markup-pod-tree:
+	exa -alT --git -I'.git|.dub|*_' --color=always -L5 ${SpinePOD} | less -R
+
+# show markup pod source tree
+tree-src-search-cgi:
+	  exa -alT --git -I'*_' --color=always -L5 ${SpineSearchCGI}/src ${SpineSearchCGI}/views | less -R
+
+# show markup files
+markup-files:
+	cd ${SpinePOD}; \
+	find . -type f -iname "*sst"; \
+	cd -; \
+	echo ${SpinePOD}
+# find ${SpinePOD}/. -type f -iname "*sst"
+
+# preview markup files vim
+markup-files-vim:
+	cd ${SpinePOD}; \
+	fd --max-depth 5 --type file -g "*.ss?" | sort \
+	| fzf \
+	  --preview='bat --color "always" {}' \
+	  --preview-window=right:66% \
+	  --bind="enter:execute(nvim {})"; \
+	cd -
+
+# preview markup files emacs
+markup-files-emacs:
+	cd ${SpinePOD}; \
+	fd --max-depth 5 --type file -g "*.ss?" | sort \
+	| fzf \
+	  --preview='bat --color "always" {}' \
+	  --preview-window=right:66% \
+	  --bind="enter:execute(emacsclient -nw -a -f {})"; \
+	cd -
+
+# markup samples list
+markup-sample: markup-pod-sample
+
+# markup samples list
+markup-pod-sample:
+	find data/pod -name pod.manifest | cut -f 1-3 -d / | sort
+
+# markup samples pod manifests and sst files
+markup-samples: markup-pod-samples markup-file-samples
+
+# markup samples pod manifests
+markup-pod-samples:
+	echo "${SpinePOD}"; \
+	find ${SpinePOD} -name pod.manifest | sort
+
+#find ${SpinePOD} -name pod.manifest | sed -E 's:.+?(([/][^/]+){2})$:\1:'
+
+# markup samples sst files
+markup-file-samples:
+	echo "${SpinePOD}"; \
+	find ${SpinePOD} -name *.ss[tm] | sort
+
+# markup_dir_samples:
+#   find data/sisudir/media/text -name *.ss[tm] | sort
+
+# version_tag:
+#   echo "DRV=0.11.3; git tag -f doc-reform_v$$\{DRV} -m\"doc-reform $$\{DRV}\" HEAD" && \
+#   echo "git tag -f doc-reform_v0.11.3 -m\"doc-reform spine-0.11.3\" HEAD"
+
+# archive spine output (www)
+spineWWWarchive:
+	cd /srv/www ; \
+	rm spine_output.${Date}.tar.bz2 ; \
+	sudo tar --exclude='./spine/latex' --exclude='./spine/pod' --exclude='./spine/*_' -cjf spine_output.${Date}.tar.bz2 ./spine ; \
+	cd -
+
+# rsync archived spine output to Linode
+spineWWWrsyncLinode:
+	rsync -v /srv/www/spine_output.${Date}.tar.bz2 linode:./stage/. ; \
+	rsync -v /var/www/sqlite/spine.search.db linode:./stage/. ; \
+	echo "tar -xf ../spine_output.${Date}.tar.bz2"
+
+# get project external dependencies
+depends_get:
+	dub upgrade; \
+	cd ${gwd} && \
+	echo "${dirs_loc}" && \
+	for dir in ${dirs_loc}; do \
+	  if [[ -d ${dir} ]]; then \
+	    echo ${gwd}/${dir} && \
+	    if [[ "imageformats" == ${dir} ]]; then \
+	      echo ${gwd}/${dir} && \
+	      rm -rvf ${gwd}/${dir} && \
+	      git clone --depth=1 https://github.com/tjhann/${dir} && \
+	      cd ${dir} && \
+	      echo $$PWD && \
+	      echo "${dir} `git rev-parse HEAD | cut -c 1-8`"   > ../${dir}.meta && \
+	      echo "https://github.com/tjhann/${dir}"           >> ../${dir}.meta && \
+	      echo "Boost Software License 1.0 (BSL-1.0)"       >> ../${dir}.meta && \
+	      cd ${gwd} && \
+	      rm -rf ${gwd}/${dir}/.git; \
+	    elif [[ "d2sqlite3" == ${dir}  || "D-YAML" == ${dir} || "tinyendian" == ${dir} ]]; then \
+	      echo ${gwd}/${dir} && \
+	      rm -rvf ${gwd}/${dir} && \
+	      git clone --depth=1 https://github.com/dlang-community/${dir} && \
+	      cd ${gwd}/${dir} && \
+	      echo "${dir} `git rev-parse HEAD | cut -c 1-8`"   > ../${dir}.meta && \
+	      echo "https://github.com/dlang-community/${dir}"  >> ../${dir}.meta && \
+	      echo "Boost Software License 1.0 (BSL-1.0)"       >> ../${dir}.meta && \
+	      cd ${gwd} && \
+	      rm -rf ${gwd}/${dir}/.git; \
+	    fi; \
+	  fi; \
+	done; \
+	cd ${hwd}
+
+# get and set project external dependencies
+depends_set: depends_get
+	dub describe | sed 's~$(shell echo `pwd | sed 's_/_\\/_g'`)~.~g'  > dub_describe.json
+
+# markup_samples:
+# 	find data/pod -name pod.manifest | cut -f 1-3 -d / | sort; \
+# 	find data/sisudir/media/text -name *.ss[tm] | sort
+#
+# markup_pod_samples:
+# 	find data/pod -name pod.manifest | cut -f 1-3 -d / | sort
+#
+# markup_dir_samples:
+# 	find data/sisudir/media/text -name *.ss[tm] | sort
+#
+version_tag:
+	echo "DRV=0.11.3; git tag -f doc-reform_v$$\{DRV} -m\"doc-reform $$\{DRV}\" HEAD" && \
+	echo "git tag -f doc-reform_v0.11.3 -m\"doc-reform spine-0.11.3\" HEAD"
+
+changelog_:
+	git log --pretty=format:'---%+s %+as %ae%+h%d%+b' --no-merges | sed "/^\\s*$$/d" | sed "s/^---$$//" | sed "s/^\(\*\)\+/-/" | sed "s/ \+$$//" > CHANGELOG_
+
+# git changelog for project
+changelog:
+	git log --pretty=format:'---%+s %+as %ae%+h%d%+b' --no-merges | sed "/^\\s*$$/d" | sed "s/^---$$//" | sed "s/^\(\*\)\+/-/" | sed "s/ \+$$//" | sed "s/ \+$//" > CHANGELOG_
+
+#gitZip:
+#	git archive -v --format=tar --prefix=`echo spine-$(PROG_VER_DECLARED)-tag-$(PROG_VER_GIT)`/ HEAD | gzip > ./tarballGitHEAD/spine-$(PROG_VER_DECLARED)-tag-$(PROG_VER_GIT).tar.gz && \
+#	echo "to unzip: tar -xzf spine-$(PROG_VER_DECLARED)-tag-$(PROG_VER_GIT).tar.gz"
+#
+## git archive project, produce current state .tar.gz
+#gitArchive:
+#	git archive -v --format=tar --prefix=spine-$(PROG_VER_DECLARED)-tag-$(PROG_VER_GIT)/ HEAD | gzip > ./tarballGitHEAD/spine-$(PROG_VER_DECLARED)-tag-$(PROG_VER_GIT).tar.gz && \
+#	echo "to unzip: tar -xzf spine-$(PROG_VER_DECLARED)-tag-$(PROG_VER_GIT).tar.gz"
+#
+## git archive project, produce current state .tar.gz
+## gitArchive:
+## 	git archive -v --format=tar --prefix="spine-${PROG_VER_DECLARED}-tag-${PROG_VER_GIT}/" HEAD | gzip > ./tarballGitHEAD/spine-${PROG_VER_DECLARED}-tag-${PROG_VER_GIT}.tar.gz && \
+## 	echo "to unzip: tar -xzf spine-${PROG_VER_DECLARED}-tag-${PROG_VER_GIT}.tar.gz"
+
+# remove test tarball dir
+nixGitHEADtarballClean:
+	if [ -d "./tarballGitHEAD" ]; then \
+	  rm -rv ./tarballGitHEAD; \
+	fi;
+
+## create test tarball
+#nixGitHEADtarballTar:
+#	if [ ! -d "./tarballGitHEAD" ]; then \
+#	  mkdir ./tarballGitHEAD; \
+#	fi; \
+#	git archive -v --format=tar --prefix="spine-${PROG_VER_DECLARED}/" HEAD | \
+#	gzip > ./tarballGitHEAD/spine-${PROG_VER_DECLARED}-tag-${PROG_VER_GIT}.tar.gz && \
+#	cp -v ./tarballGitHEAD/spine-${PROG_VER_DECLARED}-tag-${PROG_VER_GIT}.tar.gz ./tarballGitHEAD/spine-${PROG_VER_DECLARED}.tar.gz && \
+#	echo "to unzip: tar -xzf spine-${PROG_VER_DECLARED}-tag-${PROG_VER_GIT}.tar.gz"; \
+#	echo "to unzip: tar -xzf spine-${PROG_VER_DECLARED}.tar.gz"
+#
+## check test tarball
+#nixGitHEADtarballCheck:
+#	nix flake check file://${hwd}/tarballGitHEAD/spine-${PROG_VER_DECLARED}.tar.gz; \
+#	nix flake lock file://${hwd}/tarballGitHEAD/spine-${PROG_VER_DECLARED}.tar.gz; \
+#	nix flake show file://${hwd}/tarballGitHEAD/spine-${PROG_VER_DECLARED}.tar.gz;
+
+## build test tarball
+#nixGitHEADtarballBuild:
+#	echo "nix build file://${hwd}/tarballGitHEAD/spine-${PROG_VER_DECLARED}.tar.gz#spine --print-build-logs"
+#	nix build file://${hwd}/tarballGitHEAD/spine-${PROG_VER_DECLARED}.tar.gz#spine --print-build-logs
+#	#nix build "./tarballGitHEAD/spine-${PROG_VER_DECLARED}.tar.gz#spine" --print-build-logs
+
+# clean create check & build test tarball
+nixGitHEADtarball: nixGitHEADtarballClean nixGitHEADtarballTar nixGitHEADtarballCheck nixGitHEADtarballBuild
+
+get_depends:
+	hwd=$$(echo `pwd`) && \
+	gwd="${hwd}/src/ext_depends" && \
+	dirs=$$(echo `ls -gx ${gwd}`) && \
+	license_bsl="Boost Software License 1.0 (BSL-1.0)" && \
+	echo ${hwd} && \
+	echo ${gwd} && \
+	echo ${deps} && \
+	dub upgrade; \
+	cd ${gwd} && \
+	for dir in ${deps}; do \
+	  if [ -d ${dir} ]; then \
+	    echo ${dir} && \
+	    if [ "imageformats" == ${dir} ]; then \
+	      echo ${dir} && \
+	      rm -rf ${dir} && \
+	      git clone --depth=1 https://github.com/tjhann/${dir} && \
+	      cd ${dir} && \
+	      echo $$PWD && \
+	      echo "${dir} `git rev-parse HEAD | cut -c 1-8`"   > ../${dir}.meta && \
+	      echo "https://github.com/tjhann/${dir}"          >> ../${dir}.meta && \
+	      echo "${license_bsl}"                            >> ../${dir}.meta && \
+	      cd ${gwd} && \
+	      rm -rf ${dir}/.git; \
+	    elif [[ "d2sqlite3" == ${dir}  || "D-YAML" == ${dir} || "tinyendian" == ${dir} ]]; then \
+	      echo ${dir} && \
+	      rm -rf ${dir} && \
+	      git clone --depth=1 https://github.com/dlang-community/${dir} && \
+	      cd ${dir} && \
+	      echo "${dir} `git rev-parse HEAD | cut -c 1-8`"   > ../${dir}.meta && \
+	      echo "https://github.com/dlang-community/${dir}" >> ../${dir}.meta && \
+	      echo "${license_bsl}"                            >> ../${dir}.meta && \
+	      cd ${gwd} && \
+	      rm -rf ${dir}/.git; \
+	    fi; \
+	  fi; \
+	done; \
+	cd ${hwd}
+
+set_depends: get_depends
+	dub describe | sed 's~$(shell echo `pwd | sed 's_/_\\/_g'`)~.~g'  > dub_describe.json
+
+rm_flakelock:
+	git reset HEAD flake.lock && \
+	touch flake.lock \
+	git rm -f flake.lock
+
+flake_update:
+	git add .; \
+	nix flake lock && \
+	git reset HEAD flake.lock; \
+	cp flake.lock flake.lock_
+
+flake_update_move_lock: flake_update
+	touch flake.lock \
+	git rm -f flake.lock
+
+set_latest: set_depends flake_update rm_flakelock
+
+dub_upgrade:
+	$(DUB) upgrade
+
+default: ldc
+
+all: dmd ldc gdc
+
+all_ver: dmd_ver ldc_ver gdc_ver
+
+all_debug: dmd_debug gdc_debug ldc_debug
+
+meson_clean_build_dir:
+	rm -r build; mkdir build
+
+meson_build: meson_clean_build_dir
+	meson --buildtype=debugoptimized build
+	ninja -C build
+	notify-send -t 0 'D meson build ldc compiled test release executable ready' 'spine'
+
+meson_redo: meson_clean_build_dir meson_build
+
+meson_project_build_clean: clean skel tangle dub_upgrade meson_build
+
+meson: meson_clean_build_dir dub_upgrade meson_build
+
+all_clean: clean tangle dmd ldc gdc
+
+all_ver_clean: clean tangle dmd_ver ldc_ver gdc_ver
+
+all_debug_ver: dmd_debug_ver gdc_debug_ver ldc_debug_ver
+
+all_debug_clean_ver: clean tangle dmd_debug_ver gdc_debug_ver ldc_debug_ver
+
+dmd: dub_upgrade
+	$(DUB) --compiler=dmd --config=dmd --build=release-nobounds
+	notify-send -t 0 'D dmd compiled test release executable ready' 'spine-dmd'
+
+dmd_debug:
+	$(DUB) --compiler=dmd --config=dmd --build=debug
+
+## assumes git tags with program version
+#dmd_ver: dub_upgrade
+#	$(DUB) --compiler=dmd --config=dmd-version
+#	mv bin/spine-dmd-ver bin-archive/spine-$(PROG_VER_DECLARED)-tag-$(PROG_VER_GIT)-dmd
+#	notify-send -t 0 'D dmd compiled test release executable ready' 'spine-$(PROG_VER_DECLARED)-tag-$(PROG_VER_GIT)-dmd'
+
+dmd_clean_ver: clean tangle dmd_ver
+
+dmd_rel: expunge skel tangle
+	$(DUB) --compiler=dmd --config=spine-release
+
+dmd_rel_tangle: tangle
+	$(DUB) --compiler=dmd --config=spine-dmd
+
+dmd_rel_expunge_tangle: expunge skel tangle dmd_rel_tangle
+
+dmd_debug_tangle: tangle
+	$(DUB) --compiler=dmd --config=spine-dmd-debug
+
+gdc: dub_upgrade
+	$(DUB) --compiler=gdc --config=gdc
+	notify-send -t 0 'D gdc compiled test release executable ready' 'spine-gdc'
+
+gdc_debug:
+	$(DUB) --compiler=gdc --config=gdc --build=debug
+
+## assumes git tags with program version
+#gdc_ver: dub_upgrade
+#	$(DUB) --compiler=gdc --config=gdc-version
+#	mv bin/spine-gdc-ver bin-archive/spine-$(PROG_VER_DECLARED)-tag-$(PROG_VER_GIT)-gdc
+#	notify-send -t 0 'D gdc compiled test release executable ready' 'spine-$(PROG_VER_DECLARED)-tag-$(PROG_VER_GIT)-gdc'
+
+gdc_clean_ver: clean tangle gdc_ver
+
+gdc_rel: expunge skel tangle
+	$(DUB) --compiler=gdc --config=spine-release
+
+gdc_rel_tangle: tangle
+	$(DUB) --compiler=gdc --config=spine-gdc
+
+gdc_rel_expunge_tangle: expunge skel tangle gdc_rel_tangle
+
+gdc_debug_tangle: tangle
+	$(DUB) --compiler=gdc --config=spine-gdc-debug
+
+ldc: dub_upgrade
+	$(DUB) --compiler=ldc2 --config=ldc --build=release
+	notify-send -t 0 'D ldc compiled test release executable ready' 'spine-ldc'
+
+ldc_debug:
+	$(DUB) --compiler=ldc2 --config=ldc --build=debug
+
+# assumes git tags with program version
+ldc_ver: dub_upgrade
+	$(DUB) --compiler=ldc2 --config=ldc-version
+	mv bin/spine-ldc-ver bin-archive/spine-$(PROG_VER_DECLARED)-tag-$(PROG_VER_GIT)-ldc
+	notify-send -t 0 'D ldc2 compiled test release executable ready' 'spine-$(PROG_VER_DECLARED)-tag-$(PROG_VER_GIT)-ldc'
+
+ldc_clean_ver: clean tangle ldc_ver
+
+ldc_rel: expunge skel tangle
+	$(DUB) --compiler=ldc2 --config=spine-release
+
+ldc_rel_tangle: tangle
+	$(DUB) --compiler=ldc2 --config=spine-ldc
+
+ldc_rel_expunge_tangle: expunge skel tangle ldc_rel_tangle
+
+ldc_debug_tangle: tangle
+	$(DUB) --compiler=ldc2 --config=spine-ldc-debug
+
+reinit: clean skel tangle
+
+skel:
+	mkdir -p $(PRG_BINDIR); \
+	mkdir -p $(PRG_BINDIR)-archive; \
+	mkdir -p build; \
+	mkdir -p views; \
+	mkdir -p data; \
+	mkdir -p sundry/misc/util/d/cgi/search/cgi-bin/src; \
+	mkdir -p sundry/misc/util/d/tools/markup_conversion; \
+	mkdir -p sundry/misc/editor-syntax-etc/emacs; \
+	mkdir -p sundry/misc/editor-syntax-etc/vim/syntax; \
+	mkdir -p sundry/misc/editor-syntax-etc/vim/colors; \
+	mkdir -p sundry/misc/editor-syntax-etc/vim/ftplugin; \
+	mkdir -p sundry/misc/editor-syntax-etc/vim/rc; \
+	mkdir -p sundry/misc/editor-syntax-etc/vim/templates; \
+	mkdir -p $(PRG_SRCDIR)/$(PRG_NAME_DIR)/conf; \
+	mkdir -p $(PRG_SRCDIR)/$(PRG_NAME_DIR)/io_in; \
+	mkdir -p $(PRG_SRCDIR)/$(PRG_NAME_DIR)/io_out; \
+	mkdir -p $(PRG_SRCDIR)/$(PRG_NAME_DIR)/meta; \
+	mkdir -p $(PRG_SRCDIR)/$(PRG_NAME_DIR)/share; \
+	mkdir -p $(PRG_SRCDIR)/$(PRG_NAME_DIR); \
+	mkdir -p $(PRG_BINDIR);
+
+init: skel
+
+clean:
+	rm -rf build; \
+	rm -rf $(PRG_SRCDIR); \
+	rm -rf $(PRG_DOCDIR);
+
+clean_bin:
+	rm $(PRG_BINDIR)/*
+
+clean_src:
+	rm -rf $(PRG_SRCDIR);
+
+clean_docs:
+	rm -rf $(PRG_DOCDIR)
+
+expunge:
+	rm -f dub.selections.json; \
+	rm -rf build; \
+	rm -rf $(PRG_SRCDIR); \
+	rm -rf $(PRG_BINDIR); \
+	rm -rf $(PRG_DOCDIR);
+
+distclean: expunge
+
+distclean_and_init: expunge
+	mkdir -p views; \
+	mkdir -p sundry/misc/util/d/cgi/search/cgi-bin/src; \
+	mkdir -p sundry/misc/util/d/tools/markup_conversion; \
+	mkdir -p sundry/misc/editor-syntax-etc/emacs; \
+	mkdir -p sundry/misc/editor-syntax-etc/vim/syntax; \
+	mkdir -p sundry/misc/editor-syntax-etc/vim/colors; \
+	mkdir -p sundry/misc/editor-syntax-etc/vim/ftplugin; \
+	mkdir -p sundry/misc/editor-syntax-etc/vim/rc; \
+	mkdir -p sundry/misc/editor-syntax-etc/vim/templates; \
+	mkdir -p $(PRG_SRCDIR)/$(PRG_NAME_DIR); \
+	mkdir -p $(PRG_BINDIR);
+
+ver:
+	echo spine-$(PROG_VER_DECLARED)-tag-$(PROG_VER_GIT)
+
+clean_tangle_build: clean tangle build
+
+tangle_build: tangle build
+
+build: $(PRG_SRCDIR)/$(PRG_SRC)
+	$(DC) $(DC_FLAGS) \
+	$(DC_FLAG_BINOF)$(PRG_BINDIR)/$(PRG_BIN) \
+	$(PRG_SRCDIR)/$(PRG_SRC)
+
+rebuild: $(PRG_SRCDIR)/$(PRG_SRC) $(PRG_BINDIR)/$(PRG_BIN).o clean build
+
+makefile_new:
+	make -k tangle_maker
+
+restart: clean tangle
+
+find_pods:
+	$(SiSU_MARKUP_SAMPLES_FIND_PODS)
+
+testrun_find:
+	./bin/spine-ldc -v --source --html --epub --sqlite-discrete \
+	--sqlite-create --sqlite-update \
+	--output-dir=tmp/program_output_pod \
+	data/pod/sisu-manual
+
+testrun_find_pod_source:
+	$(SiSU_MARKUP_SAMPLES_PODS_FOUND) \
+	./bin/spine-ldc -v --source \
+	--output-dir=tmp/program_output_pod
+
+testrun_find_pod_pod:
+	$(SiSU_MARKUP_SAMPLES_PODS_FOUND) \
+	./bin/spine-ldc -v --pod \
+	--output-dir=tmp/program_output_pod
+
+testrun_find_pod_html:
+	$(SiSU_MARKUP_SAMPLES_PODS_FOUND) \
+	./bin/spine-ldc -v --html \
+	--output-dir=tmp/program_output_pod
+
+testrun_find_pod_epub:
+	$(SiSU_MARKUP_SAMPLES_PODS_FOUND) \
+	./bin/spine-ldc -v --epub \
+	--output-dir=tmp/program_output_pod
+
+testrun_find_pod_all:
+	$(SiSU_MARKUP_SAMPLES_PODS_FOUND) \
+	./bin/spine-ldc -v --source --html --epub --sqlite-discrete \
+	--sqlite-create --sqlite-update \
+	--output-dir=tmp/program_output_pod
+
+testrun_paths:
+	./bin/spine-ldc -v --source --html --epub --sqlite-discrete \
+	--sqlite-create --sqlite-update \
+	--output-dir=tmp/program_output_pod \
+	data/pod/sisu-manual
+
+testrun_paths_pod_source:
+	./bin/spine-ldc -v --source \
+	--output-dir=tmp/program_output_pod \
+	./markup/pod/*
+
+testrun_paths_pod_pod:
+	./bin/spine-ldc -v --pod \
+	--output-dir=tmp/program_output_pod \
+	./markup/pod/*
+
+testrun_paths_pod_html:
+	./bin/spine-ldc -v --html \
+	--output-dir=tmp/program_output_pod \
+	./markup/pod/*
+
+testrun_paths_pod_epub:
+	./bin/spine-ldc -v --epub \
+	--output-dir=tmp/program_output_pod \
+	./markup/pod/*
+
+testrun_paths_pod_all:
+	./bin/spine-ldc -v --source --html --epub --sqlite-discrete \
+	--sqlite-create --sqlite-update \
+	--output-dir=tmp/program_output_pod \
+	./markup/pod/*
+
+testrun_find_dir_source:
+	$(SiSU_MARKUP_SAMPLES_DIR_FILES_FOUND) \
+	./bin/spine-ldc -v --source \
+	--output-dir=tmp/program_output_dir
+
+testrun_find_dir_pod:
+	$(SiSU_MARKUP_SAMPLES_DIR_FILES_FOUND) \
+	./bin/spine-ldc -v --pod \
+	--output-dir=tmp/program_output_dir
+
+testrun_find_dir_html:
+	$(SiSU_MARKUP_SAMPLES_DIR_FILES_FOUND) \
+	./bin/spine-ldc -v --html \
+	--output-dir=tmp/program_output_dir
+
+testrun_find_dir_epub:
+	$(SiSU_MARKUP_SAMPLES_DIR_FILES_FOUND) \
+	./bin/spine-ldc -v --epub \
+	--output-dir=tmp/program_output_dir
+
+testrun_find_dir_all:
+	$(SiSU_MARKUP_SAMPLES_DIR_FILES_FOUND) \
+	./bin/spine-ldc -v --source --html --epub --sqlite-discrete \
+	--sqlite-create --sqlite-update \
+	--output-dir=tmp/program_output_dir
+
+testrun_filelist_dir_source:
+	./bin/spine-ldc -v --source \
+	--output-dir=tmp/program_output_dir \
+	$(SiSU_MARKUP_SAMPLES_DIR)
+
+testrun_filelist_dir_pod:
+	./bin/spine-ldc -v --pod \
+	--output-dir=tmp/program_output_dir \
+	$(SiSU_MARKUP_SAMPLES_DIR)
+
+testrun_filelist_dir_html:
+	./bin/spine-ldc -v --html \
+	--output-dir=tmp/program_output_dir \
+	$(SiSU_MARKUP_SAMPLES_DIR)
+
+testrun_filelist_dir_epub:
+	./bin/spine-ldc -v --epub \
+	--output-dir=tmp/program_output_dir \
+	$(SiSU_MARKUP_SAMPLES_DIR)
+
+testrun_filelist_dir_all:
+	./bin/spine-ldc -v --source --html --epub --sqlite-discrete \
+	--sqlite-create --sqlite-update \
+	--output-dir=tmp/program_output_dir \
+	$(SiSU_MARKUP_SAMPLES_DIR)
+
+tangle: skel
+	for f in $(ORGFILELIST); do \
+		ORGFILES="$$ORGFILES \"$$f\""; \
+	done; \
+	emacs --batch -Q -q \
+	--eval "(progn \
+		(add-to-list 'load-path \
+			(expand-file-name \"$(EMACSLISP)\")) \
+		(add-to-list 'load-path \
+			(expand-file-name \"$(EMACSLISP_ORG)\" t)) \
+		(add-to-list 'load-path \
+			(expand-file-name \"$(EMACSLISP_ORG_CONTRIB)\" t)) \
+		(require 'org)(require 'ob)(require 'ob-tangle) \
+		(mapc (lambda (file) \
+			(find-file (expand-file-name file \"$(ORGDIR)\")) \
+				(setq-local org-src-preserve-indentation t) \
+			(org-babel-tangle) \
+			(kill-buffer)) '($$ORGFILES)))" 2>&1
+
+tangle_maker:
+	for f in $(ORGFILELIST); do \
+		ORGFILES="\"org/dr_build_scaffold.org\""; \
+	done; \
+	emacs --batch -Q -q \
+	--eval "(progn \
+		(add-to-list 'load-path \
+			(expand-file-name \"$(EMACSLISP)\")) \
+		(add-to-list 'load-path \
+			(expand-file-name \"$(EMACSLISP_ORG)\" t)) \
+		(add-to-list 'load-path \
+			(expand-file-name \"$(EMACSLISP_ORG_CONTRIB)\" t)) \
+		(require 'org)(require 'ob)(require 'ob-tangle) \
+		(mapc (lambda (file) \
+			(find-file (expand-file-name file \".\")) \
+				(setq-local org-src-preserve-indentation t) \
+			(org-babel-tangle) \
+			(kill-buffer)) '($$ORGFILES)))" 2>&1
+
+lorri_shell:
+	lorri shell
+
+# nix-shell
+nix-shell:
+	nix-shell -I .envrc
+
+nix-shell-pure:
+	nix-shell -I .envrc --pure
+
+# nix-shell (with local tools, presumably latest dlang compiler & build tools (ldc & dub))
+nix-shell-updated:
+	nix-shell -I nixpkgs=/nixpkgs-ra/nixpkgs --pure
+
+# shell.nix (with shebang)
+shell:
+	shell.nix
+
+# nix-build spine
+nix-build:
+	nix-build default.nix && ./result/bin/spine -v
+
+# nix-build spine (with local tools, presumably latest dlang compiler & build tools (ldc & dub))
+nix-build-use-tools-new:
+	nix-build -I .envrc
+
+# tangle-build
+tangle-build: org-tangle nix-build
+
+# build-run
+build-run: nix-build output-samples
+
+# tangle-build-run
+tangle-build-run: org-tangle nix-build output-samples
+
+# nix-build spine search
+nix-build-search:
+	cd ./sundry/spine_search_cgi; \
+	nix-build \
+	cd -
+
+_flake-lock-reset:
+	git reset HEAD flake.lock
+
+_flake-show-name:
+	nix search --json 2>/dev/null |jq;
+
+_flake-show-package:
+	nix flake show;
+
+_flake-show-derivation:
+	nix show-derivation |jq;
+
+nix-develop:
+	nix develop -f default.nix -I nixpkgs=/nixpkgs-ra/nixpkgs
+
+# nix flake show
+flake-show: _flake-show-package _flake-show-name _flake-show-derivation
+
+# nix-build flake spine
+flake-build: _flake-show-name
+	nix build --print-build-logs
+
+# nix-build flake spine
+flake-reset-build: _flake-lock-reset _flake-show-name
+	nix build --print-build-logs
+
+# nix-build flake spine debug
+flake-build-debug:
+	nix build --debug
+
+# nix-build spine (with local tools, presumably latest dlang compiler & build tools (ldc & dub))
+flake-build-use-tools-new:
+	nix build --print-build-logs -I nixpkgs=/nixpkgs-ra/nixpkgs
+
+# tangle-build-flake
+flake-tangle-build: org-tangle flake-build
+
+# build-flake-run
+flake-build-run: flake-build output-samples
+
+# tangle-build-run
+flake-tangle-build-run: org-tangle flake-build output-samples
+
+# nix-build spine search
+flake-build-search:
+	cd ./sundry/spine_search_cgi; \
+	nix build --print-build-logs \
+	cd -
+
+gitsnapshot: distclean tangle
+	git commit -a
+
+.PHONY : all build rebuild debug release \
+	distclean init \
+	tangle gitsnapshot
+#+END_SRC
diff --git a/org/config_nix.org b/org/config_nix.org
new file mode 100644
index 0000000..4768bc3
--- /dev/null
+++ b/org/config_nix.org
@@ -0,0 +1,846 @@
+-*- mode: org -*-
+#+TITLE:       configuration nix
+#+DESCRIPTION: makefile for spine
+#+FILETAGS:    :spine:build:tools:
+#+AUTHOR:      Ralph Amissah
+#+EMAIL:       [[mailto:ralph.amissah@gmail.com][ralph.amissah@gmail.com]]
+#+COPYRIGHT:   Copyright (C) 2015 - 2022 Ralph Amissah
+#+LANGUAGE:    en
+#+STARTUP:     content hideblocks hidestars noindent entitiespretty
+#+PROPERTY:    header-args  :exports code
+#+PROPERTY:    header-args+ :noweb yes
+#+PROPERTY:    header-args+ :results no
+#+PROPERTY:    header-args+ :cache no
+#+PROPERTY:    header-args+ :padline no
+#+PROPERTY:    header-args+ :mkdirp yes
+#+OPTIONS:     H:3 num:nil toc:t \n:t ::t |:t ^:nil -:t f:t *:t
+
+* nix :nix:
+
+#+NAME: nixpkgs_local
+#+BEGIN_SRC sh
+/srv/nixpkgs-dev/nixpkgs
+#+END_SRC
+
+** spine markup samples
+
+- default.nix
+- shell.nix
+
+*** envrc :envrc:
+**** .envrc
+
+- https://github.com/nix-community/nix-direnv
+  - source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/${NixDirEnvVersion}/direnvrc" "sha256-0000000000000000000000000000000000000000000="
+
+#+HEADER: :tangle ../.envrc
+#+BEGIN_SRC sh
+# nix_direnv_watch_file provided-filename
+use flake .
+NIX_ENFORCE_PURITY=1
+NixDirEnvVersion="2.2.0"
+if ! has nix_direnv_version || ! nix_direnv_version ${NixDirEnvVersion}; then
+# - https://github.com/nix-community/nix-direnv
+# source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/${NixDirEnvVersion}/direnvrc" "sha256-0000000000000000000000000000000000000000000="
+  source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/${NixDirEnvVersion}/direnvrc" "sha256-5EwyKnkJNQeXrRkYbwwRBcXbibosCJqyIUuz9Xq+LRc="
+fi
+if [ -f .envrc-local ]; then
+  source_env_if_exists .envrc-local || source .envrc-local
+fi
+#+END_SRC
+
+**** .envrc-local CHECK MODIFY
+
+- bespoke modify appropriately and generate if needed
+
+#+HEADER: :tangle ../.envrc-local_
+#+HEADER: :noweb yes
+#+BEGIN_SRC sh
+# reload when these files change
+watch_file flake.lock
+#watch_file flake.nix
+nix flake update; nix flake check; nix flake show
+#use flake .#default
+PATH_add result/bin
+#path_add PATH result/bin
+#export NIX_PATH=/nix/var/nix/profiles/per-user/root/channels/nixos
+#export NIX_PATH=nixpkgs=/srv/nix/nixpkgs
+export DFLAGS="-O2 -inline -boundscheck=on -color=on"
+## load the flake devShell
+# eval "$(nix print-dev-env)"
+# echo $NIX_BUILD_TOP
+export Date=`date "+%Y%m%d"`
+export SpineDOC=.
+#export SpineSRC=
+export SpineBIN=result/bin
+#export SpineDOC=
+export SpinePOD=$SpineDOC/markup/pod
+export SpineOUT=/srv/www/spine
+export SpineDBpath=/srv/www/spine/sqlite
+#export SpineDBpath=/var/www/sqlite
+export SpineSearchActionLocal='http://localhost/spine_search'
+export SpineSearchActionRemote='https://sisudoc.org/spine_search'
+export SpineCGIform='spine_search'
+export SpineSQLdb='spine.search.db'
+#export PROG_VER_DECLARED="`cat ./views/version.txt | grep --color=never "enum" | sed 's/.\+(\([0-9]\+\),[ \t]\+\([0-9]\+\),[ \t]\+\([0-9]\+\)[ \t]*).\+/\1.\2.\3/g'`"
+#direnv allow
+echo "
+nix build -v .#default --print-build-logs
+nix run .#default --print-build-logs
+nix shell .#default --print-build-logs --command spine -v
+nix develop --build  .#default --print-build-logs
+"
+#+END_SRC
+
+*** flake :flake:
+**** flake static :flake:static:
+***** flake.nix
+
+#+HEADER: :tangle ../flake.nix
+#+HEADER: :noweb yes
+#+BEGIN_SRC nix
+{
+  description                  = "a sisu like document parser search form";
+  inputs = {
+    nixpkgs.url                = "github:NixOS/nixpkgs/nixpkgs-unstable"; # "github:nixos/nixpkgs";
+    flake-utils.url            = "github:numtide/flake-utils";
+    spine.url                  = "<<spine_git_file_path_url>>";
+    spine.inputs.nixpkgs.follows = "nixpkgs";
+    spine.flake                = true;
+  };
+  outputs = { self, nixpkgs, flake-utils, spine }:
+    let
+      version                  = "<<spine_version_set>>";
+      supportedSystems         = [ "x86_64-linux" ]; # [ "x86_64-linux" "x86_64-darwin" "aarch64-linux" "aarch64-darwin" ];
+      forAllSystems            = nixpkgs.lib.genAttrs supportedSystems;
+      nixpkgsFor               = forAllSystems (system: import nixpkgs { inherit system;  }); # nixpkgs instantiated for supported system types.
+    in {
+      packages = forAllSystems (system:
+        let pkgs               = nixpkgsFor.${system};
+        in {
+          default              = spine.packages.${system}.default;
+          #vendorSha256         = "sha256-0Q00000000000000000000000000000000000000000=";
+        });
+      devShells = forAllSystems (system:
+        let pkgs               = nixpkgsFor.${system};
+        in with pkgs; {
+          devShell             = mkShell { buildInputs = [ git dub dmd ldc gdc sqlite ]; };
+        });
+  };
+}
+#+END_SRC
+
+***** flake single system
+
+#+HEADER: :tangle-NO ../flake-1_.nix
+#+BEGIN_SRC nix
+{
+  inputs.nixpkgs.url     = "github:NixOS/nixpkgs/nixpkgs-unstable";
+  inputs.flake-utils.url = "github:numtide/flake-utils";
+  inputs.spine.url          = "git+file:///home/ralph/grotto/repo/git.repo/projects/doc-reform/code/software/spine";
+  outputs = { nixpkgs, flake-utils, ... }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let pkgs     = import nixpkgs { inherit system; };
+      in with pkgs; {
+        devShell = mkShell { buildInputs = [ git dub dmd ldc sqlite ]; };
+        default  = spine.packages.x86_64-linux.default;
+      });
+}
+#+END_SRC
+
+#+HEADER: :tangle-NO ../flake-2_.nix
+#+HEADER: :noweb yes
+#+BEGIN_SRC nix
+{
+  inputs.nixpkgs.url     = "github:NixOS/nixpkgs/nixpkgs-unstable";
+  inputs.flake-utils.url = "github:numtide/flake-utils";
+  inputs.spine.url          = "git+file:///home/ralph/grotto/repo/git.repo/projects/doc-reform/code/software/spine";
+  outputs = { nixpkgs, flake-utils, ... }:
+    flake-utils.lib.eachDefaultSystem (system:
+      with import nixpkgs { inherit system; }; {
+        devShell = mkShell { buildInputs = [ git dub dmd ldc sqlite ]; };
+        default  = spine.packages.x86_64-linux.default;
+      });
+}
+#+END_SRC
+
+#+HEADER: :tangle-NO ../flake-3_.nix
+#+HEADER: :noweb yes
+#+BEGIN_SRC nix
+{
+  description                = "a sisu like parser & document generator";
+  #version                    = "<<spine_version_set>>";
+  inputs.nixpkgs.url         = "<<nixpkgs_url>>";
+  inputs.spine.url           = "<<spine_git_file_path_url>>";
+  inputs.spine.flake         = true;
+  inputs.spine-tarball.url   = "<<spine_tarball_path_url>>";
+  inputs.spine-tarball.flake = true;
+  outputs = { <<flake_outputs>>, spine, spine-tarball }: {
+    <<flake_output_spine>>
+    <<flake_output_spine_tarball>>
+    <<flake_output_spine_markup_samples>>
+    <<flake_output_default>>
+  };
+}
+#+END_SRC
+
+*** flake :flake:
+**** notes?
+
+- flake.nix
+    /srv/nix/nixpkgs
+    ./shell.nix
+  - shell.nix
+      ./pkgs/shell-pkgs.nix
+    - pkgs/shell-pkgs.nix
+  - default.nix
+     ./nix/dub.selections.nix #
+    - dub.selections.nix
+
+- nix develop
+
+- nix flake update
+
+- nix shell -f default.nix --print-build-logs
+- nix shell -c default.nix
+
+- nix build `nix-instantiate`
+- nix build -f default.nix --print-build-logs
+- nix shell -f default.nix --print-build-logs
+- nix develop --build -f derivation.nix -I .envrc --print-build-logs
+
+- nix search --json 2>/dev/null |jq
+- nix flake show
+- nix show-derivation
+
+nix shell git+file:///home/ralph/grotto/repo/git.repo/projects/doc-reform/code/software/spine  --print-build-logs
+nix build "git+file:///home/ralph/grotto/repo/git.repo/projects/doc-reform/code/software/spine" --print-build-logs
+nix develop 'git+file:///home/ralph/grotto/repo/git.repo/projects/doc-reform/code/software/spine#default'
+nix flake clone git+file:///home/ralph/grotto/repo/git.repo/projects/doc-reform/code/software/spine/
+
+# nix-instantiate | nix-build
+
+***** flake inputs
+****** flake inputs static
+
+#+NAME: flake_inputs_nix
+#+HEADER: :noweb yes
+#+BEGIN_SRC nix
+nixpkgs.url         = "github:nixos/nixpkgs";
+flake-utils.url     = "github:numtide/flake-utils";
+#+END_SRC
+
+#+NAME: flake_inputs_spine
+#+HEADER: :noweb yes
+#+BEGIN_SRC nix
+spine.url          = "git+file:///home/ralph/grotto/repo/git.repo/projects/doc-reform/code/software/spine";
+spine.flake        = true;
+#+END_SRC
+
+***** flake outputs
+****** flake outputs static
+
+#+NAME: flake_outputs
+#+HEADER: :noweb yes
+#+BEGIN_SRC nix
+self, nixpkgs, flake-utils
+#+END_SRC
+
+***** flake devshells
+
+#+NAME: flake_devshells
+#+HEADER: :noweb yes
+#+BEGIN_SRC nix
+devShells               = forAllSystems (system:
+  let pkgs              = nixpkgsFor.${system};
+  in {
+    default = pkgs.mkShell {
+      buildInputs       = with pkgs; [ git dub dmd ldc sqlite ];
+    };
+});
+#+END_SRC
+
+***** flake output default
+
+#+NAME: flake_output_default
+#+HEADER: :noweb yes
+#+BEGIN_SRC nix
+packages.x86_64-linux.default = self.packages.x86_64-linux.spine;
+#+END_SRC
+
+#+NAME: flake_output_spine
+#+HEADER: :noweb yes
+#+BEGIN_SRC nix
+packages.x86_64-linux.spine = spine.packages.x86_64-linux.default;
+#+END_SRC
+
+#+NAME: flake_output_spine_tarball
+#+HEADER: :noweb yes
+#+BEGIN_SRC nix
+packages.x86_64-linux.spine-tarball = spine-tarball.packages.x86_64-linux.default;
+#+END_SRC
+
+**** flake result/lib/spine-markup-samples
+
+#+NAME: flake_output_spine_markup_samples
+#+HEADER: :noweb yes
+#+BEGIN_SRC nix
+packages.x86_64-linux.spine-markup-samples =
+  let
+    pkgs            = import nixpkgs {
+      system        = "x86_64-linux";
+    };
+  in
+    pkgs.stdenv.mkDerivation {
+      pname         = "spine-markup-samples";
+      version       = "<<spine_version_set>>";
+      description   = "markup samples for spine, a sisu like parser & document generator";
+      inherit self;
+      src           = self;
+      shell         = ./shell.nix;
+      buildPhase    = ''
+        runHook preBuild
+        HOME="$PWD"
+        runHook postBuild
+      '';
+      checkPhase    = ''
+        runHook preCheck
+        HOME="$PWD"
+        runHook postCheck
+      '';
+      installPhase  = ''
+        runHook preInstall
+        mkdir -p $out/lib/spine-markup-samples
+        echo "pwd: $PWD"
+        cp -rv ./markup $out/lib/spine-markup-samples/.
+        runHook postInstall
+      '';
+    };
+#+END_SRC
+
+postInstall = ''
+  #${spine} -v
+  #echo "built:"
+  #$out/share/spine-markup-samples
+'';
+
+***** flake misc
+
+#+BEGIN_SRC nix
+inputs.spine.url = fetchTarball {
+  url       = "<<spine_tarball_path_url>>";
+  sha256    = "<<spine_tarball_sha256>>";
+};
+#+END_SRC
+
+*** shell.nix :shell:
+**** tangle
+
+#+HEADER: :tangle ../shell.nix
+#+HEADER: :tangle-mode (identity #o755)
+#+HEADER: :shebang "#!/usr/bin/env -S nix-shell --pure\n#!nix-shell -i bash"
+#+HEADER: :noweb yes
+#+BEGIN_SRC nix
+{ pkgs ? import <nixpkgs> {} }:
+with pkgs;
+mkShell {
+  buildInputs = [
+    ### nix_related
+    # direnv
+    # nixVersions.unstable #nixFlakes
+    # nix-prefetch-git
+    # validatePkgConfig
+    # nix-tree jq nix-output-monitor
+    # git
+    # ps
+    ### d_build_related
+    ### package manager
+    # dub
+    ### compiler
+    # ldc
+    # rund
+    ### linker
+    # #lld
+    # #mold
+    ## builder
+    # #ninja
+    # #meson
+    ### sqlite search related
+    # sqlite
+    ### pdf_latex_related
+    # source-sans-pro
+    # source-serif-pro
+    # source-code-pro
+    # texlive.combined.scheme-full
+    ### xml_and_epub_related
+    # libxml2
+    # html-tidy
+    # xmlstarlet
+    # epubcheck
+    # ebook_tools
+    # epr
+    # sigil
+    # calibre #(suite includes: ebook-viewer)
+    # foliate
+    ### i18n translation related
+    # perl534Packages.Po4a
+  ];
+  shellHook = ''
+    #if [[ -f ".envrc" ]]; then
+    #  source .envrc
+    #fi
+    #nix flake update
+    #echo ""
+    #echo "nix flake metadata:"
+    #nix flake metadata
+    #echo ""
+    #echo "nix flake check:"
+    #nix flake check
+    #echo ""
+    #echo "nix flake show:"
+    #nix flake show
+    echo "
+      nix flake update
+      nix flake metadata
+      nix flake check
+      nix flake show
+
+      nix build or nix develop? (suggestions):
+
+      - nix build
+        nix build .#default --print-build-logs
+        nix build .#default-tarball --print-build-logs
+        nix build .#default-markup-samples --print-build-logs
+        nix build --print-build-logs
+        nix build .#default --print-build-logs |& nom
+
+      - nix run
+        nix run .#default --print-build-logs
+        nix run default.nix --print-build-logs
+
+      - nix shell
+        nix shell .#default --print-build-logs --command spine -v
+
+      - nix develop
+        nix develop --build  .#default --print-build-logs
+        nix develop --build -f derivation.nix -I .envrc --print-build-logs
+        nix develop ; eval \$buildPhase
+
+        nix-build |& nom
+
+      spine -v
+
+      nix-instantiate | nix show-derivation | jq
+      nix-build . --no-out-link | xargs -o nix-tree
+      nix-tree --derivation .#default
+
+    "
+  '';
+}
+#+END_SRC
+
+#+BEGIN_SRC nix
+{ pkgs ? import <nixpkgs> {} }:
+with pkgs;
+mkShell {
+  buildInputs = [
+    # ### nix_related
+    # direnv
+    # nixVersions.unstable #nixFlakes
+    # nix-prefetch-git
+    # validatePkgConfig
+    # nix-tree jq nix-output-monitor
+    # git
+    # ps
+    # ### d_build_related
+    # ## package manager
+    # dub
+    # ## compiler
+    # ldc
+    # rund
+    # ## linker
+    # #lld
+    # #mold
+    # ## builder
+    # #ninja
+    # #meson
+    # ### sqlite search related
+    # sqlite
+    # # ### pdf_latex_related
+    # # source-sans-pro
+    # # source-serif-pro
+    # # source-code-pro
+    # # texlive.combined.scheme-full
+    # # ### xml_and_epub_related
+    # # libxml2
+    # # html-tidy
+    # # xmlstarlet
+    # # epubcheck
+    # # ebook_tools
+    # # epr
+    # # sigil
+    # # calibre #(suite includes: ebook-viewer)
+    # # foliate
+    # # ### i18n translation related
+    # # perl534Packages.Po4a
+    # ### candy
+    # #starship
+  ];
+  shellHook = ''
+    #if [[ -f ".envrc" ]]; then
+    #  source .envrc
+    #fi
+    #nix flake update
+    #echo ""
+    #echo "nix flake metadata:"
+    #nix flake metadata
+    #echo ""
+    #echo "nix flake check:"
+    #nix flake check
+    #echo ""
+    #echo "nix flake show:"
+    #nix flake show
+    echo "
+      nix flake update
+      nix flake metadata
+      nix flake check
+      nix flake show
+
+      nix build or nix develop? (suggestions):
+
+      - nix build
+        nix build .#default --print-build-logs
+        nix build .#default-tarball --print-build-logs
+        nix build .#default-markup-samples --print-build-logs
+        nix build --print-build-logs
+        nix build .#default --print-build-logs |& nom
+
+      - nix run
+        nix run .#default --print-build-logs
+        nix run default.nix --print-build-logs
+
+      - nix shell
+        nix shell --print-build-logs --command spine -v
+
+      - nix develop
+        nix develop --build  .#default --print-build-logs
+        nix develop --build -f derivation.nix -I .envrc --print-build-logs
+        nix develop ; eval \$buildPhase
+
+        nix-build |& nom
+
+      spine -v
+
+      nix-instantiate | nix show-derivation | jq
+      nix-build . --no-out-link | xargs -o nix-tree
+      nix-tree --derivation .#default
+
+    "
+  '';
+}
+#+END_SRC
+
+#+BEGIN_SRC text
+#% Notes
+
+# - shell.nix -I .envrc
+# - shell.nix -I .envrc --pure
+
+# [ nix-shell ]
+
+  # - nix-shell -I nixpkgs=/nixpkgs-ra/nixpkgs --pure
+  # - nix-shell -p "with import /nixpkgs-ra/nixpkgs {}; ldc" --pure
+  # - nix-shell -p "with import /nixpkgs-ra/nixpkgs {}; [dub ldc]" --pure
+
+  # - nix-shell -p nixFlakes
+  # - nix-shell -p nixFlakes --pure
+  # - nix-shell -p nixFlakes --pure -p "with import /nixpkgs-ra/nixpkgs {}; [nix dub ldc git ps]"
+  # - nix-shell shell.nix direnv: export +IN_NIX_SHELL
+  # - nix-shell shell.nix
+
+# [ nix-build ]
+
+  # - nix-build -I nixpkgs=/nixpkgs-ra/nixpkgs # --pure
+  # - nix-build -I .envrc --pure
+  # - nix-build default.nix -I .envrc && result/bin/spine -v
+
+# [ nix-instantiate ]
+
+  # - nix-instantiate | nix show-derivation | jq
+  # - nix-instantiate -I .envrc | nix show-derivation -f derivation.nix -I .envrc | jq
+  # - nix-instantiate | nix show-derivation --recursive | jq
+  # - nix-instantiate -I .envrc | nix show-derivation -f derivation.nix --recursive -I .envrc | jq
+  # - nix-instantiate | nix-build
+  # - nix-instantiate -I .envrc | nix-build -I .envrc
+
+# [ nix shell ]
+
+  # - nix shell -c default.nix
+  # - nix shell -f default.nix --print-build-logs
+
+# [ nix build ]
+
+  # - nix build -I .envrc --print-build-logs
+  # - nix build -f default.nix --print-build-logs
+  # - nix build -f derivation.nix --print-build-logs
+
+  # - nix build `nix-instantiate`
+  # - nix build `nix-instantiate -I .envrc`
+
+  # - nix build -f default.nix && ./result/bin/spine -v && noti -t "spine build" -m "see ./result/bin/spine"
+
+# [ nix run ]
+
+  # - nix run default.nix --print-build-logs
+  # - nix run -I .envrc default.nix --print-build-logs
+
+# - nix-shell -I .envrc --pure
+# - nix develop --build -f derivation.nix -I .envrc --print-build-logs
+
+# - nix-shell -p nixFlakes --pure -p "with import /nixpkgs-ra/nixpkgs {}; [nix dub ldc git ps]"
+# - nix-build
+# - nix build `nix-instantiate -I .envrc`
+
+# - nix develop --build -f default.nix -I .envrc
+
+# - nix-shell -I .envrc --pure
+# - nix-build default.nix -I .envrc && result/bin/spine -v
+
+# - nix shell -f default.nix --print-build-logs
+# - nix-instantiate -I .envrc | nix-build -I .envrc
+#+END_SRC
+
+*** default.nix :default:
+
+- default.nix -I nixpkgs=<provide local nix path>
+  e.g. default.nix -I nixpkgs=/nixpkgs-ra/nixpkgs
+
+- nix-build -I nixpkgs=<provide local nix path>
+  e.g. nix-build -I nixpkgs=<<nixpkgs_local>>
+
+#+HEADER: :noweb yes
+#+BEGIN_SRC sh
+nix-build -I nixpkgs=<<nixpkgs_local>>
+nix-build -I .envrc-local
+nix-build -I .envrc
+default.nix -I .envrc
+default.nix
+
+nix build -f default.nix --print-build-logs
+nix build -f derivation.nix --print-build-logs
+nix shell -f default.nix --print-build-logs
+nix develop --build -f derivation.nix -I .envrc --print-build-logs
+
+# nix build -f project.nix
+# nix build -f spine.nix
+#+END_SRC
+
+#+HEADER: :tangle ../default.nix
+#+HEADER: :tangle-mode (identity #o755)
+#+HEADER: :shebang "#!/usr/bin/env -S nix-build"
+#+BEGIN_SRC nix
+{ pkgs ? import <nixpkgs> {} }:
+pkgs.callPackage ./derivation.nix {}
+#+END_SRC
+
+*** derivation.nix :default:
+
+#+HEADER: :tangle ../derivation.nix
+#+HEADER: :tangle-mode (identity #o644)
+#+HEADER: :noweb yes
+#+BEGIN_SRC nix
+{ pkgs ? import <nixpkgs> {},
+  stdenv ? pkgs.stdenv,
+  lib ? pkgs.lib,
+  ldc ? null,
+  dcompiler ? pkgs.ldc,
+  dub ? pkgs.dub
+}:
+assert dcompiler != null;
+with (
+  with lib;
+  let
+    filterDub = name: type: let baseName = baseNameOf (toString name); in ! ( # filter function to remove the .dub package folder from src
+      type == "directory" && baseName == ".dub"
+    );
+    targetOf = package: "${package.targetPath or "."}/${package.targetName or package.name}";
+    # remove reference to build tools and library sources
+    disallowedReferences = deps: [ dcompiler dub ];
+    removeExpr = refs: ''remove-references-to ${lib.concatMapStrings (ref: " -t ${ref}") refs}'';
+  in {
+    mkDubDerivation = lib.makeOverridable ({
+      src,
+      nativeBuildInputs ? [],
+      dubJSON ? src + "/dub.json",
+      passthru ? {},
+      package ? lib.importJSON dubJSON,
+      ...
+    } @ attrs: stdenv.mkDerivation (attrs // {
+      pname = package.name;
+      nativeBuildInputs = [ dcompiler dub pkgs.removeReferencesTo ] ++ nativeBuildInputs;
+      disallowedReferences = disallowedReferences deps;
+      passthru = passthru // {
+        inherit dub dcompiler pkgs;
+      };
+      src = lib.cleanSourceWith {
+        filter = filterDub;
+        src = lib.cleanSource src;
+      };
+      preFixup = ''
+        find $out/bin -type f -exec ${removeExpr (disallowedReferences deps)} '{}' + || true
+      '';
+      buildPhase = ''
+        runHook preBuild
+        HOME="$PWD"
+        DFLAGS="-O2 -inline"
+        for DC_ in dmd ldmd2 gdmd; do
+          echo "- check for D compiler $DC_"
+          DC=$(type -P $DC_ || echo "")
+          if [ ! "$DC" == "" ]; then
+            break
+          fi
+        done
+        if [ "$DC" == "" ]; then
+          exit "Error: could not find D compiler"
+        fi
+        echo "$DC_ used as D compiler to build $pname"
+        dub build --compiler=$DC --build=release --combined --skip-registry=all
+        runHook postBuild
+      '';
+      checkPhase = ''
+        runHook preCheck
+        HOME="$PWD"
+        dub test --combined --skip-registry=all
+        runHook postCheck
+      '';
+      installPhase = ''
+        runHook preInstall
+        mkdir -p $out/bin
+        cp -r "${targetOf package}" $out/bin
+        #cp -rv "${targetOf package}" $out/spine-markup-samples/.
+        #cp -rv ./markup $out/spine-markup-samples/.
+        runHook postInstall
+      '';
+      #postInstall= ''
+      #  cp -rv ./markup $out/spine-markup-samples/.
+      #'';
+      meta = lib.optionalAttrs (package ? description) {
+        description = package.description;
+      } // attrs.meta or {};
+    } // lib.optionalAttrs (!(attrs ? version)) {
+      name = package.name; # use name from dub.json, unless pname and version are specified
+    }));
+  }
+);
+mkDubDerivation rec {
+  pname         = "spine";
+  version       = "0.12.0";
+  zipfile       = "<<spine_tarball_filename>>";
+  src = fetchTarball {
+    #url         = "file:///home/ralph/grotto/repo/git.repo/projects/doc-reform/code/software/tarball/${pname}-${version}.tar.gz";
+    #url         = "file:///home/ralph/grotto/repo/git.repo/projects/doc-reform/code/software/spine/tarballGitHEAD/${pname}-${version}.tar.gz";
+    #sha256      = "sha256:0000000000000000000000000000000000000000000000000000";
+    url         = "<<spine_tarball_path_url>>";
+    sha256      = "<<spine_tarball_sha256>>";
+  };
+  nativeBuildInputs = with pkgs; [ dub ldc ];
+  buildInputs = with pkgs; [
+    nixVersions.unstable #nixFlakes
+    sqlite
+  ];
+  meta = with pkgs.lib; {
+    description = "A sisu like parser & document generator";
+    longDescription = ''
+      A sisu like parser & document generator
+    '';
+    homepage    = "https://sisudoc.org";
+    license     = licenses.agpl3Plus;
+    platforms   = platforms.linux;
+    maintainers = [ "RalphAmissah" ];
+  };
+}
+#+END_SRC
+
+# src = fetchTarball {
+#   url          = "file:///[path]/${pname}-${version}.tar.gz";
+#   sha256       = "sha256:0000000000000000000000000000000000000000000000000000";
+# };
+
+#src           = ./.;
+
+** variables
+*** spine version SET VERSION :version:set:project:
+
+#+NAME: spine_version_set
+#+BEGIN_SRC sh
+0.12.0
+#+END_SRC
+
+#+NAME: project_path_local_out_static
+#+HEADER: :noweb yes
+#+BEGIN_SRC nix
+/srv/www/spine
+#+END_SRC
+
+#+NAME: spine_tarball_path
+#+HEADER: :noweb yes
+#+BEGIN_SRC nix
+/home/ralph/grotto/repo/git.repo/projects/doc-reform/code/software/tarball
+#+END_SRC
+
+#+NAME: spine_tarball_path_url
+#+HEADER: :noweb yes
+#+BEGIN_SRC nix
+file://<<spine_tarball_path>>/<<spine_tarball_filename>>
+#+END_SRC
+
+#+NAME: spine_git_file_path
+#+HEADER: :noweb yes
+#+BEGIN_SRC nix
+/home/ralph/grotto/repo/git.repo/projects/doc-reform/code/software/spine
+#+END_SRC
+
+#+NAME: spine_git_file_path_url
+#+HEADER: :noweb yes
+#+BEGIN_SRC nix
+git+file://<<spine_git_file_path>>
+#+END_SRC
+
+#+NAME: spine_tarball_filename
+#+HEADER: :noweb yes
+#+BEGIN_SRC nix
+spine-0.12.0-tag-0.11.2.r107.gf89a107.tar.gz
+#+END_SRC
+
+#+NAME: spine_tarball_sha256
+#+HEADER: :noweb yes
+#+BEGIN_SRC nix
+sha256:03dr7dn7kq6arw4ry7qar13iqmi1caw70imfjwi8qr7g2j4mnk2q
+#+END_SRC
+
+#+BEGIN_SRC nix
+sha256:0000000000000000000000000000000000000000000000000000
+#+END_SRC
+
+/home/ralph/grotto/repo/git.repo/projects/project-spine/tarball
+
+#+NAME: project_path_local_out_static_
+#+BEGIN_SRC nix
+/var/www
+#+END_SRC
+
+#+NAME: project_path_sqlite
+#+BEGIN_SRC nix
+/var/www/sqlite
+#+END_SRC
+
+#+NAME: nixpkgs_url
+#+BEGIN_SRC nix
+github:nixos/nixpkgs
+#+END_SRC
+
+#+HEADER: :noweb yes
+#+BEGIN_SRC nix
+<<nixpkgs_path_local>>
+#+END_SRC
+