Add post-merge hook, related documentation, and tests.

diff --git a/git-gui/Makefile b/git-gui/Makefile
index 1bac6fed46635e2387d16e801294a4750476ddaa..18e67501375c10beebd5ec3a4d73a07aedaca81f 100644 (file)
--- a/git-gui/Makefile
+++ b/git-gui/Makefile
@@ -31,6 +31,9 @@ ifndef INSTALL
        INSTALL = install
 endif
 
+RM_F      ?= rm -f
+RMDIR     ?= rmdir
+
 INSTALL_D0 = $(INSTALL) -d -m755 # space is required here
 INSTALL_D1 =
 INSTALL_R0 = $(INSTALL) -m644 # space is required here
@@ -42,6 +45,12 @@ INSTALL_L1 = && ln # space is required here
 INSTALL_L2 =
 INSTALL_L3 =
 
+REMOVE_D0  = $(RMDIR) # space is required here
+REMOVE_D1  = || true
+REMOVE_F0  = $(RM_F) # space is required here
+REMOVE_F1  =
+CLEAN_DST  = true
+
 ifndef V
        QUIET          = @
        QUIET_GEN      = $(QUIET)echo '   ' GEN $@ &&
@@ -60,6 +69,12 @@ ifndef V
        INSTALL_L1 = && src=
        INSTALL_L2 = && dst=
        INSTALL_L3 = && echo '   ' 'LINK       ' `basename "$$dst"` '->' `basename "$$src"` && rm -f "$$dst" && ln "$$src" "$$dst"
+
+       CLEAN_DST = echo ' ' UNINSTALL
+       REMOVE_D0 = dir=
+       REMOVE_D1 = && echo ' ' REMOVE $$dir && test -d "$$dir" && $(RMDIR) "$$dir" || true
+       REMOVE_F0 = dst=
+       REMOVE_F1 = && echo '   ' REMOVE `basename "$$dst"` && $(RM_F) "$$dst"
 endif
 
 TCL_PATH   ?= tclsh
@@ -76,8 +91,8 @@ SHELL_PATH_SQ = $(subst ','\'',$(SHELL_PATH))
 TCL_PATH_SQ = $(subst ','\'',$(TCL_PATH))
 TCLTK_PATH_SQ = $(subst ','\'',$(TCLTK_PATH))
 
-libdir   ?= $(sharedir)/git-gui/lib
-libdir_SQ = $(subst ','\'',$(libdir))
+gg_libdir ?= $(sharedir)/git-gui/lib
+libdir_SQ  = $(subst ','\'',$(gg_libdir))
 
 exedir    = $(dir $(gitexecdir))share/git-gui/lib
 exedir_SQ = $(subst ','\'',$(exedir))
@@ -126,7 +141,7 @@ TRACK_VARS = \
        $(subst ','\'',TCL_PATH='$(TCL_PATH_SQ)') \
        $(subst ','\'',TCLTK_PATH='$(TCLTK_PATH_SQ)') \
        $(subst ','\'',gitexecdir='$(gitexecdir_SQ)') \
-       $(subst ','\'',libdir='$(libdir_SQ)') \
+       $(subst ','\'',gg_libdir='$(libdir_SQ)') \
 #end TRACK_VARS
 
 GIT-GUI-VARS: .FORCE-GIT-GUI-VARS
@@ -146,6 +161,17 @@ install: all
        $(QUIET)$(INSTALL_R0)lib/tclIndex $(INSTALL_R1) '$(DESTDIR_SQ)$(libdir_SQ)'
        $(QUIET)$(foreach p,$(ALL_LIBFILES), $(INSTALL_R0)$p $(INSTALL_R1) '$(DESTDIR_SQ)$(libdir_SQ)' &&) true
 
+uninstall:
+       $(QUIET)$(CLEAN_DST) '$(DESTDIR_SQ)$(gitexecdir_SQ)'
+       $(QUIET)$(REMOVE_F0)'$(DESTDIR_SQ)$(gitexecdir_SQ)'/git-gui $(REMOVE_F1)
+       $(QUIET)$(foreach p,$(GITGUI_BUILT_INS), $(REMOVE_F0)'$(DESTDIR_SQ)$(gitexecdir_SQ)'/$p $(REMOVE_F1) &&) true
+       $(QUIET)$(CLEAN_DST) '$(DESTDIR_SQ)$(libdir_SQ)'
+       $(QUIET)$(REMOVE_F0)'$(DESTDIR_SQ)$(libdir_SQ)'/tclIndex $(REMOVE_F1)
+       $(QUIET)$(foreach p,$(ALL_LIBFILES), $(REMOVE_F0)'$(DESTDIR_SQ)$(libdir_SQ)'/$(notdir $p) $(REMOVE_F1) &&) true
+       $(QUIET)$(REMOVE_D0)'$(DESTDIR_SQ)$(gitexecdir_SQ)' $(REMOVE_D1)
+       $(QUIET)$(REMOVE_D0)'$(DESTDIR_SQ)$(libdir_SQ)' $(REMOVE_D1)
+       $(QUIET)$(REMOVE_D0)`dirname '$(DESTDIR_SQ)$(libdir_SQ)'` $(REMOVE_D1)
+
 dist-version:
        @mkdir -p $(TARDIR)
        @echo $(GITGUI_VERSION) > $(TARDIR)/version
@@ -154,6 +180,6 @@ clean::
        rm -f $(ALL_PROGRAMS) lib/tclIndex
        rm -f GIT-VERSION-FILE GIT-GUI-VARS
 
-.PHONY: all install dist-version clean
+.PHONY: all install uninstall dist-version clean
 .PHONY: .FORCE-GIT-VERSION-FILE
 .PHONY: .FORCE-GIT-GUI-VARS