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由 Shawn O. Pearce 提交于
Back in 15430be5 ("Look for gitk in $PATH, not $LIBEXEC/git-core") git-gui learned to use [_which gitk] to locate where gitk's script is as Git 1.6 will install gitk to $prefix/bin (in $PATH) and all of the other tools are in $gitexecdir. This failed on Windows because _which adds the ".exe" suffix as it searches for the program on $PATH, under the assumption that we can only execute something from Tcl if it is a proper Windows executable. When scanning for gitk on Windows we need to omit the ".exe" suffix. Signed-off-by: NShawn O. Pearce <spearce@spearce.org>
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