git-gui: Avoid an infinite rescan loop in handle_empty_diff.

[git.git] / Makefile

diff --git a/Makefile b/Makefile
index 081d7550a7dbc91d8360822a4da3ca51c66a33a2..3ad8a21b30128ce21b6b6c28094d9af5e5866faf 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -34,8 +34,12 @@ ifndef gitexecdir
 endif
 
 ifndef sharedir
+ifeq (git-core,$(notdir $(gitexecdir)))
+       sharedir := $(dir $(patsubst %/,%,$(dir $(gitexecdir))))share
+else
        sharedir := $(dir $(gitexecdir))share
 endif
+endif
 
 ifndef INSTALL
        INSTALL = install
@@ -92,8 +96,12 @@ ifndef V
        REMOVE_F1 = && echo '   ' REMOVE `basename "$$dst"` && $(RM_RF) "$$dst"
 endif
 
-TCL_PATH   ?= tclsh
 TCLTK_PATH ?= wish
+ifeq (./,$(dir $(TCLTK_PATH)))
+       TCL_PATH ?= $(subst wish,tclsh,$(TCLTK_PATH))
+else
+       TCL_PATH ?= $(dir $(TCLTK_PATH))$(notdir $(subst wish,tclsh,$(TCLTK_PATH)))
+endif
 
 ifeq ($(uname_S),Darwin)
        TKFRAMEWORK = /Library/Frameworks/Tk.framework/Resources/Wish.app
@@ -127,7 +135,17 @@ GITGUI_MACOSXAPP :=
 
 ifeq ($(uname_O),Cygwin)
        GITGUI_SCRIPT := `cygpath --windows --absolute "$(GITGUI_SCRIPT)"`
-       gg_libdir_sed_in := $(shell cygpath --windows --absolute "$(gg_libdir)")
+
+       # Is this a Cygwin Tcl/Tk binary?  If so it knows how to do
+       # POSIX path translation just like cygpath does and we must
+       # keep libdir in POSIX format so Cygwin packages of git-gui
+       # work no matter where the user installs them.
+       #
+       ifeq ($(shell echo 'puts [file normalize /]' | '$(TCL_PATH_SQ)'),$(shell cygpath --mixed --absolute /))
+               gg_libdir_sed_in := $(gg_libdir)
+       else
+               gg_libdir_sed_in := $(shell cygpath --windows --absolute "$(gg_libdir)")
+       endif
 else
        ifeq ($(exedir),$(gg_libdir))
                GITGUI_RELATIVE := 1
@@ -142,6 +160,7 @@ endif
 ifneq (,$(findstring MINGW,$(uname_S)))
        NO_MSGFMT=1
        GITGUI_WINDOWS_WRAPPER := YesPlease
+       GITGUI_RELATIVE := 1
 endif
 
 ifdef GITGUI_MACOSXAPP
@@ -207,7 +226,7 @@ ifdef NO_MSGFMT
        MSGFMT ?= $(TCL_PATH) po/po2msg.sh
 else
        MSGFMT ?= msgfmt
-       ifeq ($(shell $(MSGFMT) >/dev/null 2>&1 || echo $$?),127)
+       ifneq ($(shell $(MSGFMT) --tcl -l C -d . /dev/null 2>/dev/null; echo $$?),0)
                MSGFMT := $(TCL_PATH) po/po2msg.sh
        endif
 endif
@@ -266,6 +285,7 @@ all:: $(GITGUI_MAIN) lib/tclIndex $(ALL_MSGFILES)
 install: all
        $(QUIET)$(INSTALL_D0)'$(DESTDIR_SQ)$(gitexecdir_SQ)' $(INSTALL_D1)
        $(QUIET)$(INSTALL_X0)git-gui $(INSTALL_X1) '$(DESTDIR_SQ)$(gitexecdir_SQ)'
+       $(QUIET)$(INSTALL_X0)git-gui--askpass $(INSTALL_X1) '$(DESTDIR_SQ)$(gitexecdir_SQ)'
        $(QUIET)$(foreach p,$(GITGUI_BUILT_INS), $(INSTALL_L0)'$(DESTDIR_SQ)$(gitexecdir_SQ)/$p' $(INSTALL_L1)'$(DESTDIR_SQ)$(gitexecdir_SQ)/git-gui' $(INSTALL_L2)'$(DESTDIR_SQ)$(gitexecdir_SQ)/$p' $(INSTALL_L3) &&) true
 ifdef GITGUI_WINDOWS_WRAPPER
        $(QUIET)$(INSTALL_R0)git-gui.tcl $(INSTALL_R1) '$(DESTDIR_SQ)$(gitexecdir_SQ)'
@@ -283,6 +303,7 @@ endif
 uninstall:
        $(QUIET)$(CLEAN_DST) '$(DESTDIR_SQ)$(gitexecdir_SQ)'
        $(QUIET)$(REMOVE_F0)'$(DESTDIR_SQ)$(gitexecdir_SQ)'/git-gui $(REMOVE_F1)
+       $(QUIET)$(REMOVE_F0)'$(DESTDIR_SQ)$(gitexecdir_SQ)'/git-gui--askpass $(REMOVE_F1)
        $(QUIET)$(foreach p,$(GITGUI_BUILT_INS), $(REMOVE_F0)'$(DESTDIR_SQ)$(gitexecdir_SQ)'/$p $(REMOVE_F1) &&) true
 ifdef GITGUI_WINDOWS_WRAPPER
        $(QUIET)$(REMOVE_F0)'$(DESTDIR_SQ)$(gitexecdir_SQ)'/git-gui.tcl $(REMOVE_F1)