diff options
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 83 |
1 files changed, 70 insertions, 13 deletions
@@ -6,17 +6,28 @@ url2murl = $(subst %,^25,$(subst :,^3A,$(subst ^,^5E,$1))) murl2url = $(subst ^5E,^,$(subst ^3A,:,$(subst ^25,%,$1))) dirfail = ( r=$$?; mv -- '$@'{,.bak}; exit $$r; ) +# This is split into stages for when Make has to make decisions about +# the build tree based on the output of a previous stage. That is: +# these stages exist for a technical GNU Make reason, not for +# human-comprehensibility reasons; so stages have lopsided sizes; the +# first two are very small, and almost everything is in the third +# stage. all: + # Stage 1 ###################################################################### $(MAKE) dat/urlkeys.mk + # Stage 2 ###################################################################### $(MAKE) dat/index.mk + # Stage 3 ###################################################################### $(MAKE) dat/git - -fix: - grep -rl '<html><body><h1>503' dat | xargs rm -fv -- - -.PHONY: all fix +.PHONY: all # Stage 1 ###################################################################### +# +# Fetch a listing of all relevant URLs. +# +# - `dat/cdxindex.txt` +# - `dat/urlkeys.txt` +# - `dat/urlkeys.mk` dat: mkdir -p $@ @@ -28,6 +39,17 @@ dat/urlkeys.mk: dat/urlkeys.txt < $< sed 's/^/urlkeys+=/' > $@ # Stage 2 ###################################################################### +# +# Fetch the history for each relevant URL. +# +# - `dat/each-cdx/$(urlkey).txt` (for each urlkey in `dat/urlkeys.mk`) +# +# - `dat/index.txt` +# has a line for each relevant URL: +# +# ${wayback_timestamp:YYYYmmddHHMMSS} ${url} +# +# - `dat/index.mk` ifneq ($(wildcard dat/urlkeys.mk),) include dat/urlkeys.mk @@ -40,35 +62,70 @@ dat/index.mk: dat/index.txt < $< sed -e 's,^,index+=,' -e 's, ,/,' > $@ # Stage 3 ###################################################################### +# +# The main stage. ifneq ($(wildcard dat/index.mk),) -include dat/index.mk -dat/content-dir/%/index.wahtml: +# Part 1: Directory indexes: +# +# - `dat/content-dir/$(wayback_timestamp:YYYYmmddHHMMSS)/$(dir_murl)/index.html` +# +# - `dat/content-dir/$(wayback_timestamp:YYYYmmddHHMMSS)/$(dir_murl)/readme.txt` +# +# - `dat/content-dir/$(wayback_timestamp:YYYYmmddHHMMSS)/$(dir_murl)/metadata.txt` +# has a line for each file mentioned in index.html (this format is +# controlled by `bin/fmt-metadata`): +# +# ${file_name} ${file_timestamp:YYYY-mm-dd HH:MM} +dat/content-dir/%/index.html: @mkdir -p '$(@D)' - curl -sL 'http://web.archive.org/web/$(call murl2url,$*)' > $@ -dat/content-dir/%/index.html: dat/content-dir/%/index.wahtml - < $< wayfore > $@ + curl -sfL 'http://web.archive.org/web/$(call murl2url,$(subst /http,id_/http,$*))' > $@ dat/content-dir/%/readme.txt: dat/content-dir/%/index.html - < $< sed -n '/^<pre>$$/,/<\/pre>/p' | sed -e 1d -e 's,</pre>.*,,' > $@ + < $< sed -n '/^<[pP][rR][eE]>$$/,/<\/[pP][rR][eE]>/p' | sed -e 1d -e 's,</[pP][rR][eE]>.*,,' > $@ dat/content-dir/%/metadata.txt: dat/content-dir/%/index.html - < $< grep '^<img' | sed 's/<[^>]*>//g' | grep -vi 'parent directory' | fmt-metadata $(firstword $(subst /, ,$*)) > $@ + < $< grep -i '^<img' | sed 's/<[^>]*>//g' | grep -vi 'parent directory' | fmt-metadata $(firstword $(subst /, ,$*)) > $@ content-dir = $(foreach u,$(filter %/,$(index)),dat/content-dir/$(call url2murl,$(u))) download += $(addsuffix readme.txt,$(content-dir)) $(addsuffix metadata.txt,$(content-dir)) +# Part 2: File contents: +# - `dat/content-file/$(wayback_timestamp:YYYYmmddHHMMSS)/$(file_murl)` dat/content-file/%: @mkdir -p '$(@D)' - curl -sL 'http://web.archive.org/web/$(call murl2url,$*)' > $@ + curl -sfL 'http://web.archive.org/web/$(call murl2url,$(subst /http,id_/http,$*))' > $@ content-file = $(foreach u,$(filter-out %/,$(index)),dat/content-file/$(call url2murl,$(u))) download += $(content-file) +# `download` is a convenience target to download files without +# processing them. It isn't depended on by anything. download: $(download) .PHONY: download +# Part 3: Aggregate: +# - `dat/metadata.txt` +# has a line for each file mentioned in any index.html: +# +# ${dirindex_wayback_timestamp:YYYYmmddHHMMSS} ${branch_name}/${file_name} ${file_html_timestamp:YYYY-mm-dd HH:MM} +# +# where the ${dirindex_wayback_timestamp} and ${branch_name} are +# determined from the path to the relevant index.html. +# +# - `dat/pools/` +# + pass 1 and pass 1.5 +# * `dat/pools/files/${file_html_timestamp:YYYYmmddHHMM}-${branch_name}_${file_name}/` +# * `dat/pools/snaps/${dirindex_wayback_timestamp:YYYYmmddHHMMSS}-${branch_name}/${file_name}` (symlink to the /files/ file) +# + pass 2 and pass 3: +# * `dat/pools/files/${file_html_timestamp:YYYYmmddHHMM}-${branch_name}_${file_name}/${file_name}` (for each existing /file/ dir) +# dat/metadata.txt: $(addsuffix metadata.txt,$(content-dir)) dat/index.txt - grep ^ $(foreach c,$(filter %/metadata.txt,$^),'$c') | sed -r -e 's,^dat/content-dir/,,' -e 's,/.*/Public/, ,' -e 's,/metadata\.txt:,/,' -e 's,\s+, ,g' | sort -u > $@ + grep ^ $(foreach c,$(filter %/metadata.txt,$^),'$c') | sed -E -e 's,^dat/content-dir/,,' -e 's,/.*/Public/, ,' -e 's,/metadata\.txt:,/,' -e 's,\s+, ,g' | sort -u > $@ dat/pools: $(download) dat/metadata.txt dat/index.txt rm -rf -- $@ $@.bak poolify dat/metadata.txt dat/index.txt || $(dirfail) + +# Part 4: Turn each `dat/pools/snaps/*` directory into a Git commit +# +# - `dat/git/` dat/git: dat/pools $(addsuffix readme.txt,$(content-dir)) $(addsuffix metadata.txt,$(content-dir)) rm -rf -- $@ $@.bak gitify $@ || $(dirfail) |