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-rw-r--r--diff-tree.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/diff-tree.c b/diff-tree.c
index 54157e4..979f792b 100644
--- a/diff-tree.c
+++ b/diff-tree.c
@@ -69,6 +69,7 @@ int main(int argc, const char **argv)
git_config(git_diff_config);
nr_sha1 = 0;
+ opt->abbrev = 0;
argc = setup_revisions(argc, argv, opt, NULL);
while (--argc > 0) {