git-gui: Allow spaces in path to 'wish'

If the path of our wish executable that are running under
contains spaces we need to make sure they are escaped in
a proper Tcl list, otherwise we are unable to start gitk.

Reported by Randal L. Schwartz on #git.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>

diff --git a/git-gui.sh b/git-gui.sh
index 7cbc977ea29f2d0060476c3973df16c5abf6fe12..ae881336dac0807d1f4a026b649c75febdc1b8b3 100755 (executable)
--- a/git-gui.sh
+++ b/git-gui.sh
@@ -4134,7 +4134,7 @@ proc do_gitk {revs} {
        # -- Always start gitk through whatever we were loaded with.  This
        #    lets us bypass using shell process on Windows systems.
        #
-       set cmd [info nameofexecutable]
+       set cmd [list [info nameofexecutable]]
        lappend cmd [gitexec gitk]
        if {$revs ne {}} {
                append cmd { }