Fix a bug where we would corrupt the stuff read from git-rev-list.
If we have a very long commit message, and we end up getting a bufferfull of data from git-rev-list that all belongs to one commit, we ended up throwing away the data from a previous read that should have been included. The result was a error message about not being able to parse the output of git-rev-list. Also, if the git-rev-list output that we can't parse is long, only put the first 80 chars in the error message. Otherwise we end up with an enormous error window.
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@ -81,16 +81,21 @@ to allow selection of commits to be displayed.)}
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while 1 {
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set i [string first "\0" $stuff $start]
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if {$i < 0} {
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set leftover [string range $stuff $start end]
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append leftover [string range $stuff $start end]
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return
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}
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set cmit [string range $stuff $start [expr {$i - 1}]]
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if {$start == 0} {
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set cmit "$leftover$cmit"
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set leftover {}
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}
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set start [expr {$i + 1}]
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if {![regexp {^([0-9a-f]{40})\n} $cmit match id]} {
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error_popup "Can't parse git-rev-list output: {$cmit}"
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set shortcmit $cmit
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if {[string length $shortcmit] > 80} {
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set shortcmit "[string range $shortcmit 0 80]..."
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}
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error_popup "Can't parse git-rev-list output: {$shortcmit}"
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exit 1
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}
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set cmit [string range $cmit 41 end]
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