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difftool --dir-diff: allow changing any clean working tree file

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The temporary directory prepared by "difftool --dir-diff" to
show the result of a change can be modified by the user via
the tree diff program, and we try hard not to lose changes
to them after tree diff program returns to us.

However, the set of files to be copied back is computed
differently between --symlinks and --no-symlinks modes.  The
former checks all paths that start out as identical to the
working tree file, while the latter checks paths that
already had a local modification in the working tree,
allowing changes made in the tree diff program to paths that
did not have any local change to be lost.

Signed-off-by: Kenichi Saita <nitoyon@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Kenichi Saita
2013-05-30 01:01:23 +09:00
committed by Junio C Hamano
parent edca415256
commit 32eaf1de7f
2 changed files with 21 additions and 7 deletions
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9
git-difftool.perl
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@ -85,13 +85,9 @@ sub exit_cleanup
sub use_wt_file
{
my ($repo, $workdir, $file, $sha1, $symlinks) = @_;
my ($repo, $workdir, $file, $sha1) = @_;
my $null_sha1 = '0' x 40;
if ($sha1 ne $null_sha1 and not $symlinks) {
return 0;
}
if (! -e "$workdir/$file") {
# If the file doesn't exist in the working tree, we cannot
# use it.
@ -213,8 +209,7 @@ EOF
if ($rmode ne $null_mode) {
my ($use, $wt_sha1) = use_wt_file($repo, $workdir,
$dst_path, $rsha1,
$symlinks);
$dst_path, $rsha1);
if ($use) {
push @working_tree, $dst_path;
$wtindex .= "$rmode $wt_sha1\t$dst_path\0";