+# Makefile for GNU Emacs Lisp Package Archive.
+
+EMACS=emacs
+
+ARCHIVE_TMP=archive-tmp
+SITE_DIR=site
+
+.PHONY: archive-tmp changelogs process-archive archive-full org-fetch clean all do-it
+
+all: all-in-place
+
+## Set up the source files for direct usage, by pointing
+## `package-directory-list' to the site/ directory.
+site: packages
+ mkdir -p $(SITE_DIR)
+ $(EMACS) -batch -l $(CURDIR)/admin/archive-contents.el \
+ --eval "(batch-make-site-dir \"packages\" \"$(SITE_DIR)\")"
+
+site/%: do-it
+ $(EMACS) -batch -l $(CURDIR)/admin/archive-contents.el \
+ --eval "(progn (setq debug-on-error t) (batch-make-site-package \"$@\"))"
+
+## Deploy the package archive to archive/, with packages in
+## archive/packages/:
+archive: archive-tmp
+ $(MAKE) $(MFLAGS) process-archive
+
+archive-tmp: packages changelogs
+ -rm -r $(ARCHIVE_TMP)
+ mkdir -p $(ARCHIVE_TMP)
+ cp -a packages/. $(ARCHIVE_TMP)/packages
+
+# Refresh the ChangeLog files. This needs to be done in
+# the source tree, because it needs the Bzr data!
+changelogs:
+ cd packages; \
+ $(EMACS) -batch -l $(CURDIR)/admin/archive-contents.el \
+ -f batch-prepare-packages
+
+process-archive:
+ # FIXME, we could probably speed this up significantly with
+ # rules like "%.tar: ../%/ChangeLog" so we only rebuild the packages
+ # that have indeed changed.
+ cd $(ARCHIVE_TMP)/packages; $(EMACS) -batch -l $(CURDIR)/admin/archive-contents.el -f batch-make-archive
+ @cd $(ARCHIVE_TMP)/packages; \
+ for pt in *; do \
+ if [ -d $$pt ]; then \
+ echo "Creating tarball $${pt}.tar" && \
+ tar -cf $${pt}.tar $$pt --remove-files; \
+ fi; \
+ done
+ mkdir -p archive/packages
+ mv archive/packages archive/packages-old
+ mv $(ARCHIVE_TMP)/packages archive/packages
+ chmod -R a+rX archive/packages
+ rm -rf archive/packages-old
+ rm -rf $(ARCHIVE_TMP)
+
+## Deploy the package archive to archive/ including the Org daily:
+archive-full: archive-tmp org-fetch
+ $(MAKE) $(MFLAGS) process-archive
+ #mkdir -p archive/admin
+ #cp admin/* archive/admin/
+
+org-fetch: archive-tmp
+ cd $(ARCHIVE_TMP)/packages; \
+ pkgname=`curl -s http://orgmode.org/elpa/|perl -ne 'push @f, $$1 if m/(org-\d{8})\.tar/; END { @f = sort @f; print "$$f[-1]\n"}'`; \
+ wget -q http://orgmode.org/elpa/$${pkgname}.tar -O $${pkgname}.tar; \
+ if [ -f $${pkgname}.tar ]; then \
+ tar xf $${pkgname}.tar; \
+ rm -f $${pkgname}.tar; \
+ mv $${pkgname} org; \
+ fi
+
+clean:
+ rm -rf archive $(ARCHIVE_TMP) $(SITE_DIR)
+
+########## Rules for in-place installation ##########
+pkgs := $(foreach pkg, $(wildcard packages/*), \
+ $(if $(shell [ -d "$(pkg)" ] && echo true), $(pkg)))
+
+define SET-diff
+$(shell echo "$(1)" "$(2)" "$(2)" | tr ' ' '\n' | sort | uniq -u)
+endef
+
+define FILTER-nonsrc
+$(filter-out %-autoloads.el %-pkg.el, $(1))
+endef
+
+define RULE-srcdeps
+$(1): $$(call FILTER-nonsrc, $$(wildcard $$(dir $(1))/*.el))
+endef
+
+# Compute the set of autolods files and their dependencies.
+autoloads := $(foreach pkg, $(pkgs), $(pkg)/$(notdir $(pkg))-autoloads.el)
+
+$(foreach al, $(autoloads), $(eval $(call RULE-srcdeps, $(al))))
+%-autoloads.el:
+ @echo 'EMACS -f package-generate-autoloads $@'
+ @cd $(dir $@); \
+ $(EMACS) --batch \
+ -l $(CURDIR)/admin/archive-contents.el \
+ --eval "(archive--refresh-pkg-file)" \
+ --eval "(require 'package)" \
+ --eval "(package-generate-autoloads '$$(basename $$(pwd)) \
+ \"$$(pwd)\")"
+
+# Put into elcs the set of elc files we need to keep up-to-date.
+# I.e. one for each .el file except for the -pkg.el, the -autoloads.el, and
+# the .el files that are marked "no-byte-compile".
+els := $(call FILTER-nonsrc, $(wildcard packages/*/*.el))
+naive_elcs := $(patsubst %.el, %.elc, $(els))
+current_elcs := $(wildcard packages/*/*.elc)
+
+extra_els := $(call SET-diff, $(els), $(patsubst %.elc, %.el, $(current_elcs)))
+nbc_els := $(foreach el, $(extra_els), \
+ $(if $(shell grep '^;.*no-byte-compile: t' "$(el)"), $(el)))
+elcs := $(call SET-diff, $(naive_elcs), $(patsubst %.el, %.elc, $(nbc_els)))
+
+# '(dolist (al (quote ($(patsubst %, "%", $(autoloads))))) (load (expand-file-name al) nil t))'
+%.elc: %.el $(autoloads)
+ @echo 'EMACS -f batch-byte-compile $<'
+ @$(EMACS) --batch \
+ --eval "(setq package-directory-list '(\"$(abspath packages)\"))" \
+ --eval '(package-initialize)' \
+ -L $(dir $@) -f batch-byte-compile $<
+
+# Remove .elc files that don't have a corresponding .el file any more.
+extra_elcs := $(call SET-diff, $(current_elcs), $(naive_elcs))
+.PHONY: $(extra_elcs)
+$(extra_elcs):; rm $@
+
+# # Put into single_pkgs the set of -pkg.el files we need to keep up-to-date.
+# # I.e. all the -pkg.el files for the single-file packages.
+# single_pkgs:=$(foreach pkg, $(pkgs), \
+# $(word $(words $(call FILTER-nonsrc, \
+# $(wildcard $(pkg)/*.el))), \
+# $(pkg)/$(notdir $(pkg))-pkg.el))
+# #$(foreach al, $(single_pkgs), $(eval $(call RULE-srcdeps, $(al))))
+# %-pkg.el: %.el
+# @echo 'EMACS -f package-generate-description-file $@'
+# @$(EMACS) --batch \
+# --eval '(require (quote package))' \
+# --eval '(setq b (find-file-noselect "$<"))' \
+# --eval '(setq d (with-current-buffer b (package-buffer-info)))' \
+# --eval '(package-generate-description-file d "$(dir $@)")'
+
+
+all-in-place: $(extra_elcs) $(autoloads) $(elcs) # $(single_pkgs)