Tk’s "wish" for Windows can be built two ways

win   this provides a "wish" that uses GDI; it only understands Windows
      paths such as C:\foo\bar
unix  this provides a "wish" that uses X11; it understands Windows and Cygwin
      paths such as C:\foo\bar or /foo/bar

Some Cygwin users will prefer to use the "win" version, as it avoids the large
X11 dependency. However Cygwin passes the path "/bin/gitk" or similar and the
"win" version of "wish" will not understand this. However "wish" does understand
STDIN. Options such as "--all" will still work using this method as well.

Signed-off-by: Steven Penny <>
 gitk-git/gitk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gitk-git/gitk b/gitk-git/gitk
index 90764e8..64a125d 100755
--- a/gitk-git/gitk
+++ b/gitk-git/gitk
@@ -1,6 +1,6 @@
 # Tcl ignores the next line -*- tcl -*- \
-exec wish "$0" -- "$@"
+exec wish < "$0" -- "$@"
 # Copyright © 2005-2014 Paul Mackerras.  All rights reserved.
 # This program is free software; it may be used, copied, modified

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