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add-interactive: handle unborn branch in patch mode

Browse Source 
The list_modified function already knows how to handle an
unborn branch by diffing against the empty tree. However,
the diff we perform to get the actual hunks does not. Let's
use the same logic for both diffs.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King 2013-10-25 02:52:30 -04:00 committed by Junio C Hamano
parent 3d092bfc6f
commit 954312a3ff
1 changed files with 13 additions and 9 deletions
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22
git-add--interactive.perl
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@ -263,6 +263,17 @@ sub get_empty_tree {
return '4b825dc642cb6eb9a060e54bf8d69288fbee4904';
}
sub get_diff_reference {
my $ref = shift;
if (defined $ref and $ref ne 'HEAD') {
return $ref;
} elsif (is_initial_commit()) {
return get_empty_tree();
} else {
return 'HEAD';
}
}
# Returns list of hashes, contents of each of which are:
# VALUE: pathname
# BINARY: is a binary path
@ -286,14 +297,7 @@ sub list_modified {
return if (!@tracked);
}
my $reference;
if (defined $patch_mode_revision and $patch_mode_revision ne 'HEAD') {
$reference = $patch_mode_revision;
} elsif (is_initial_commit()) {
$reference = get_empty_tree();
} else {
$reference = 'HEAD';
}
my $reference = get_diff_reference($patch_mode_revision);
for (run_cmd_pipe(qw(git diff-index --cached
--numstat --summary), $reference,
'--', @tracked)) {
@ -737,7 +741,7 @@ sub parse_diff {
splice @diff_cmd, 1, 0, "--diff-algorithm=${diff_algorithm}";
}
if (defined $patch_mode_revision) {
push @diff_cmd, $patch_mode_revision;
push @diff_cmd, get_diff_reference($patch_mode_revision);
}
my @diff = run_cmd_pipe("git", @diff_cmd, "--", $path);
my @colored = ();