git-gui: Correctly install to /usr/bin on Cygwin

diff --git a/Makefile b/Makefile
index e73b6453d9626cad1d2f71679afc0638f464f305..9d99f670466ca03215ae81268584468d8e46a779 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -7,10 +7,13 @@ GIT-VERSION-FILE: .FORCE-GIT-VERSION-FILE
        @$(SHELL_PATH) ./GIT-VERSION-GEN
 -include GIT-VERSION-FILE
 
+uname_O := $(shell sh -c 'uname -o 2>/dev/null || echo not')
+
 SCRIPT_SH = git-gui.sh
 GITGUI_BUILT_INS = git-citool
 ALL_PROGRAMS = $(GITGUI_BUILT_INS) $(patsubst %.sh,%,$(SCRIPT_SH))
 ALL_LIBFILES = $(wildcard lib/*.tcl)
+PRELOAD_FILES = lib/class.tcl
 
 ifndef SHELL_PATH
        SHELL_PATH = /bin/sh
@@ -21,7 +24,7 @@ ifndef gitexecdir
 endif
 
 ifndef sharedir
-       sharedir := $(dir $(gitexecdir))/share
+       sharedir := $(dir $(gitexecdir))share
 endif
 
 ifndef INSTALL
@@ -32,6 +35,7 @@ ifndef V
        QUIET_GEN      = @echo '   ' GEN $@;
        QUIET_BUILT_IN = @echo '   ' BUILTIN $@;
        QUIET_INDEX    = @echo '   ' INDEX $(dir $@);
+       QUIET_2DEVNULL = 2>/dev/null
 endif
 
 TCL_PATH   ?= tclsh
@@ -45,17 +49,29 @@ endif
 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
 gitexecdir_SQ = $(subst ','\'',$(gitexecdir))
 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))
 
+exedir    = $(dir $(gitexecdir))share/git-gui/lib
+exedir_SQ = $(subst ','\'',$(exedir))
+
 $(patsubst %.sh,%,$(SCRIPT_SH)) : % : %.sh
        $(QUIET_GEN)rm -f $@ $@+ && \
+       GITGUI_RELATIVE= && \
+       if test '$(exedir_SQ)' = '$(libdir_SQ)'; then \
+               if test "$(uname_O)" = Cygwin; \
+               then GITGUI_RELATIVE= ; \
+               else GITGUI_RELATIVE=1; \
+               fi; \
+       fi && \
        sed -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' \
                -e 's|^exec wish "$$0"|exec $(subst |,'\|',$(TCLTK_PATH_SQ)) "$$0"|' \
                -e 's/@@GITGUI_VERSION@@/$(GITGUI_VERSION)/g' \
-               -e 's|@@GITGUI_LIBDIR@@|$(libdir_SQ)|' \
+               -e 's|@@GITGUI_RELATIVE@@|'$$GITGUI_RELATIVE'|' \
+               -e $$GITGUI_RELATIVE's|@@GITGUI_LIBDIR@@|$(libdir_SQ)|' \
                $@.sh >$@+ && \
        chmod +x $@+ && \
        mv $@+ $@
@@ -64,17 +80,28 @@ $(GITGUI_BUILT_INS): git-gui
        $(QUIET_BUILT_IN)rm -f $@ && ln git-gui $@
 
 lib/tclIndex: $(ALL_LIBFILES)
-       $(QUIET_INDEX)echo \
-         source lib/class.tcl \; \
+       $(QUIET_INDEX)if echo \
+         $(foreach p,$(PRELOAD_FILES),source $p\;) \
          auto_mkindex lib '*.tcl' \
-       | $(TCL_PATH)
+       | $(TCL_PATH) $(QUIET_2DEVNULL); then : ok; \
+       else \
+        echo 1>&2 "    * $(TCL_PATH) failed; using unoptimized loading"; \
+        rm -f $@ ; \
+        echo '# Autogenerated by git-gui Makefile' >$@ && \
+        echo >>$@ && \
+        $(foreach p,$(PRELOAD_FILES) $(ALL_LIBFILES),echo '$(subst lib/,,$p)' >>$@ &&) \
+        echo >>$@ ; \
+       fi
 
 # These can record GITGUI_VERSION
 $(patsubst %.sh,%,$(SCRIPT_SH)): GIT-VERSION-FILE GIT-GUI-VARS
+lib/tclIndex: GIT-GUI-VARS
 
 TRACK_VARS = \
        $(subst ','\'',SHELL_PATH='$(SHELL_PATH_SQ)') \
+       $(subst ','\'',TCL_PATH='$(TCL_PATH_SQ)') \
        $(subst ','\'',TCLTK_PATH='$(TCLTK_PATH_SQ)') \
+       $(subst ','\'',gitexecdir='$(gitexecdir_SQ)') \
        $(subst ','\'',libdir='$(libdir_SQ)') \
 #end TRACK_VARS