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4a3da5d91a
When comparing a string of commits, when we find two non-merge commits that differ, we now write the two commits to files and diff the files. This pulls out the logic for creating a temporary directory from external_diff into a separate procedure so that the new diffcommits procedure can use it. Because the diff command returns an exit status of 1 when the files differ, and Tcl treats that as an error, this adds catch {} around the close statements in getblobdiffline. At present this only removes the temporary files when gitk exits. It should remove them when the diff is done. Signed-off-by: Paul Mackerras <paulus@samba.org> |
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