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git svn: fix dcommit to work with touched files

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The dcommit command fails if an otherwise unmodified file has
been touched in the working directory:

    Cannot dcommit with a dirty index.  Commit your changes
    first, or stash them with `git stash'.

This happens because "git diff-index" reports a difference
between the index and the filesystem:

    :100644 100644 d00491...... 000000...... M      file

The fix is to run "git update-index --refresh" before
"git diff-index" as is done in git-rebase and
git-rebase--interactive before "git diff-files".

This changes dcommit to display a list of modified files before
exiting.

Also add a similar test case for "git svn rebase".

[ew: rearranged commit message subject]

Signed-off-by: David D. Kilzer <ddkilzer@kilzer.net>
Acked-by: Eric Wong <normalperson@yhbt.net>
This commit is contained in:
David D. Kilzer
2010-08-02 12:58:19 -07:00
committed by Eric Wong
parent 3713e2226b
commit 181264ad59
2 changed files with 12 additions and 0 deletions
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git-svn.perl
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@ -494,6 +494,7 @@ sub cmd_set_tree {
sub cmd_dcommit {
my $head = shift;
command_noisy(qw/update-index --refresh/);
git_cmd_try { command_oneline(qw/diff-index --quiet HEAD/) }
'Cannot dcommit with a dirty index. Commit your changes first, '
. "or stash them with `git stash'.\n";