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# gh-pages Branch Management ###################################################
gh-pages-dir := $(build-dir)/gh-pages
ifeq "$(git-cmd)" ""
$(call strict-error,"unable to locate git")
else
# figure out the url of the origin that the current work repo uses
remote-url := $(shell $(git-cmd) config remote.origin.url)
endif
# Pull in the gh-pages directory.
.PHONY: pull-gh-pages
ifeq "$(pull)" "0"
pull-gh-pages:
else
pull-gh-pages: | $(gh-pages-dir)
$(call label,PULL $(call drop-prefix,$(gh-pages-dir)))\
( cd $(gh-pages-dir) \
&& $(git-cmd) pull $(if $(Q),-q) )
endif
# checkout the gh-pages branch in a temp repo under the build tree
$(gh-pages-dir): | $(build-dir)
$(call label,CLONE $(call drop-prefix,$@))\
( $(git-cmd) clone $(if $(Q),-q) $(topdir) $@ \
&& cd $(gh-pages-dir) \
&& $(git-cmd) remote set-url origin $(remote-url) \
&& $(git-cmd) fetch $(if $(Q),-q) origin gh-pages \
&& $(git-cmd) checkout $(if $(Q),-q) gh-pages )
# Generate a commit in the gh-pages-dir, after adding some files that may have
# changed.
commit = $(call label,COMMIT $(call drop-prefix,$(gh-pages-dir)))\
( cd $(gh-pages-dir) \
&& if test -n "`$(git-cmd) status -s`"; then \
$(git-cmd) add $1 \
&& $(git-cmd) commit $(if $(Q),-q) -m $2 \
; fi )
# push to the gh-pages branch from the temp repo
deploy: | pull-gh-pages
$(call label,DEPLOY)\
( cd $(gh-pages-dir) \
&& git push $(if $(Q),-q) origin gh-pages )
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