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bundle: refuse to create empty bundle

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When an user tries to create an empty bundle via `git bundle create
<bundle> <revlist>` where <revlist> resolves to an empty list (for
example, like `master..master`), the command fails and warns the user
about how it don't want to create empty bundle.

However, on Windows the .lock file was still open and could not be
deleted properly. This patch fixes that issue.

This closes https://github.com/git-for-windows/git/issues/790

Signed-off-by: Gaël Lhez <gael.lhez@gmail.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
This commit is contained in:
Gaël Lhez
2016-06-22 23:30:18 +02:00
committed by Johannes Schindelin
parent 74d8ecfd37
commit df273b644c
2 changed files with 8 additions and 3 deletions
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7
bundle.c
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@@ -454,10 +454,11 @@ int create_bundle(struct bundle_header *header, const char *path,
object_array_remove_duplicates(&revs.pending);
ref_count = write_bundle_refs(bundle_fd, &revs);
if (!ref_count)
die(_("Refusing to create empty bundle."));
else if (ref_count < 0)
if (ref_count <= 0) {
if (!ref_count)
error(_("Refusing to create empty bundle."));
goto err;
}
/* write pack */
if (write_pack_data(bundle_fd, &revs)) {