Merge branch 'maint'

* maint:
git-gui: Bind Tab/Shift-Tab to cycle between panes in blame
git-gui: Correctly install to /usr/bin on Cygwin

diff --combined Makefile
index a114a8750ec40ef436f54414d38d43247cbf1aa0,9d99f670466ca03215ae81268584468d8e46a779..d277bb128de1524d7a597b0a6d37005ee1c62741
--- 1/Makefile
--- 2/Makefile
+++ b/Makefile
@@@ -7,6 -7,8 +7,8 @@@ GIT-VERSION-FILE: .FORCE-GIT-VERSION-FI
        @$(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))
@@@ -29,35 -31,11 +31,35 @@@ ifndef INSTAL
        INSTALL = install
  endif
  
 +INSTALL_D0 = $(INSTALL) -d -m755 # space is required here
 +INSTALL_D1 =
 +INSTALL_R0 = $(INSTALL) -m644 # space is required here
 +INSTALL_R1 =
 +INSTALL_X0 = $(INSTALL) -m755 # space is required here
 +INSTALL_X1 =
 +INSTALL_L0 = rm -f # space is required here
 +INSTALL_L1 = && ln # space is required here
 +INSTALL_L2 =
 +INSTALL_L3 =
 +
  ifndef V
 -      QUIET_GEN      = @echo '   ' GEN $@;
 -      QUIET_BUILT_IN = @echo '   ' BUILTIN $@;
 -      QUIET_INDEX    = @echo '   ' INDEX $(dir $@);
 +      QUIET          = @
 +      QUIET_GEN      = $(QUIET)echo '   ' GEN $@ &&
 +      QUIET_BUILT_IN = $(QUIET)echo '   ' BUILTIN $@ &&
 +      QUIET_INDEX    = $(QUIET)echo '   ' INDEX $(dir $@) &&
        QUIET_2DEVNULL = 2>/dev/null
 +
 +      INSTALL_D0 = dir=
 +      INSTALL_D1 = && echo ' ' DEST $$dir && $(INSTALL) -d -m755 "$$dir"
 +      INSTALL_R0 = src=
 +      INSTALL_R1 = && echo '   ' INSTALL 644 `basename $$src` && $(INSTALL) -m644 $$src
 +      INSTALL_X0 = src=
 +      INSTALL_X1 = && echo '   ' INSTALL 755 `basename $$src` && $(INSTALL) -m755 $$src
 +
 +      INSTALL_L0 = dst=
 +      INSTALL_L1 = && src=
 +      INSTALL_L2 = && dst=
 +      INSTALL_L3 = && echo '   ' 'LINK       ' `basename "$$dst"` '->' `basename "$$src"` && rm -f "$$dst" && ln "$$src" "$$dst"
  endif
  
  TCL_PATH   ?= tclsh
@@@ -82,8 -60,12 +84,12 @@@ exedir_SQ = $(subst ','\'',$(exedir)
  
  $(patsubst %.sh,%,$(SCRIPT_SH)) : % : %.sh
        $(QUIET_GEN)rm -f $@ $@+ && \
+       GITGUI_RELATIVE= && \
        if test '$(exedir_SQ)' = '$(libdir_SQ)'; then \
-               GITGUI_RELATIVE=1; \
+               if test "$(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"|' \
@@@ -133,12 -115,12 +139,12 @@@ GIT-GUI-VARS: .FORCE-GIT-GUI-VAR
  all:: $(ALL_PROGRAMS) lib/tclIndex
  
  install: all
 -      $(INSTALL) -d -m755 '$(DESTDIR_SQ)$(gitexecdir_SQ)'
 -      $(INSTALL) git-gui '$(DESTDIR_SQ)$(gitexecdir_SQ)'
 -      $(foreach p,$(GITGUI_BUILT_INS), rm -f '$(DESTDIR_SQ)$(gitexecdir_SQ)/$p' && ln '$(DESTDIR_SQ)$(gitexecdir_SQ)/git-gui' '$(DESTDIR_SQ)$(gitexecdir_SQ)/$p' ;)
 -      $(INSTALL) -d -m755 '$(DESTDIR_SQ)$(libdir_SQ)'
 -      $(INSTALL) -m644 lib/tclIndex '$(DESTDIR_SQ)$(libdir_SQ)'
 -      $(foreach p,$(ALL_LIBFILES), $(INSTALL) -m644 $p '$(DESTDIR_SQ)$(libdir_SQ)' ;)
 +      $(QUIET)$(INSTALL_D0)'$(DESTDIR_SQ)$(gitexecdir_SQ)' $(INSTALL_D1)
 +      $(QUIET)$(INSTALL_X0)git-gui $(INSTALL_X1) '$(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
 +      $(QUIET)$(INSTALL_D0)'$(DESTDIR_SQ)$(libdir_SQ)' $(INSTALL_D1)
 +      $(QUIET)$(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
  
  dist-version:
        @mkdir -p $(TARDIR)