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git-gui: Track our own embedded values and rebuild when they change

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Like core-Git we now track the values that we embed into our shell
script wrapper, and we "recompile" that wrapper if they are changed.
This concept was lifted from git.git's Makefile, where a similar
thing was done by Eygene Ryabinkin.  Too bad it wasn't just done
here in git-gui from the beginning, as the git.git Makefile support
for GIT-GUI-VARS was really just because git-gui doesn't do it on
its own.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
This commit is contained in:
Shawn O. Pearce 2007-04-29 03:02:10 -04:00
parent dc6716b83d
commit c6a5e40303
2 changed files with 16 additions and 2 deletions
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1
.gitignore vendored
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@ -1,3 +1,4 @@
GIT-VERSION-FILE
GIT-GUI-VARS
git-citool
git-gui

17
Makefile
View file

@ -53,7 +53,19 @@ $(GITGUI_BUILT_INS): git-gui
$(QUIET_BUILT_IN)rm -f $@ && ln git-gui $@
# These can record GITGUI_VERSION
$(patsubst %.sh,%,$(SCRIPT_SH)): GIT-VERSION-FILE
$(patsubst %.sh,%,$(SCRIPT_SH)): GIT-VERSION-FILE GIT-GUI-VARS
TRACK_VARS = \
$(subst ','\'',SHELL_PATH='$(SHELL_PATH_SQ)') \
$(subst ','\'',TCLTK_PATH='$(TCLTK_PATH_SQ)') \
#end TRACK_VARS
GIT-GUI-VARS: .FORCE-GIT-GUI-VARS
@VARS='$(TRACK_VARS)'; \
if test x"$$VARS" != x"`cat $@ 2>/dev/null`" ; then \
echo 1>&2 " * new locations or Tcl/Tk interpreter"; \
echo 1>$@ "$$VARS"; \
fi
all:: $(ALL_PROGRAMS)
@ -67,7 +79,8 @@ dist-version:
@echo $(GITGUI_VERSION) > $(TARDIR)/version
clean::
rm -f $(ALL_PROGRAMS) GIT-VERSION-FILE
rm -f $(ALL_PROGRAMS) GIT-VERSION-FILE GIT-GUI-VARS
.PHONY: all install dist-version clean
.PHONY: .FORCE-GIT-VERSION-FILE
.PHONY: .FORCE-GIT-GUI-VARS