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git-gui: Brown paper bag fix division by 0 in blame

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If we generate a blame status string before we have obtained
any annotation data at all from the input file, or if the input
file is empty, our total_lines will be 0.  This causes a division
by 0 error when we blindly divide by the 0 to compute the total
percentage of lines loaded.  Instead we should report 0% done.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
This commit is contained in:
Shawn O. Pearce 2007-04-04 12:08:46 -04:00
parent 2ec0cb7959
commit f6f2aa39ef
1 changed files with 6 additions and 4 deletions
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git-gui.sh
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@ -3604,12 +3604,14 @@ proc read_blame_incremental {fd w w_load w_cmit w_line w_file} {
proc blame_incremental_status {w} {
global blame_status blame_data
set have $blame_data($w,blame_lines)
set total $blame_data($w,total_lines)
set pdone 0
if {$total} {set pdone [expr {100 * $have / $total}]}
set blame_status($w) [format \
"Loading annotations... %i of %i lines annotated (%2i%%)" \
$blame_data($w,blame_lines) \
$blame_data($w,total_lines) \
[expr {100 * $blame_data($w,blame_lines)
/ $blame_data($w,total_lines)}]]
$have $total $pdone]
}
proc blame_click {w w_cmit w_line w_file cur_w pos} {