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git-gui: Display message box when we cannot find git in $PATH
If we cannot find the git executable in the user's $PATH then we cannot function correctly. Because we need that to get the version so we can load our library correctly we cannot rely on the library function "error_popup" here, as this is all running before the library path has been configured, so error_popup is not available to us. Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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@ -498,7 +498,11 @@ proc rmsel_tag {text} {
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set _git [_which git]
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if {$_git eq {}} {
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catch {wm withdraw .}
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error_popup "Cannot find git in PATH."
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tk_messageBox \
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-icon error \
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-type ok \
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-title [mc "git-gui: fatal error"] \
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-message [mc "Cannot find git in PATH."]
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exit 1
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}
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