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authorXin Li <delphij@google.com>2020-06-05 02:10:01 -0700
committerJunio C Hamano <gitster@pobox.com>2020-06-05 10:13:30 -0700
commit16af5f1abb2b3291f96a248698449c48c6a0ec36 (patch)
treed8bae1f1b88f0b6b6717b19de757075c90b2b1b4 /repository.h
parent2d5e9f31ac46017895ce6a183467037d29ceb9d3 (diff)
downloadgit-16af5f1abb2b3291f96a248698449c48c6a0ec36.tar.gz
repository: add a helper function to perform repository format upgrade
In version 1 of repository format, "extensions" gained special meaning and it is safer to avoid upgrading when there are pre-existing extensions. Make list-objects-filter to use the helper function instead of setting repository version directly as a prerequisite of exposing the upgrade capability. Signed-off-by: Xin Li <delphij@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'repository.h')
-rw-r--r--repository.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/repository.h b/repository.h
index 6534fbb7b3..3c1f7d54bd 100644
--- a/repository.h
+++ b/repository.h
@@ -196,4 +196,10 @@ void repo_update_index_if_able(struct repository *, struct lock_file *);
void prepare_repo_settings(struct repository *r);
+/*
+ * Return 1 if upgrade repository format to target_version succeeded,
+ * 0 if no upgrade is necessary, and -1 when upgrade is not possible.
+ */
+int upgrade_repository_format(int target_version);
+
#endif /* REPOSITORY_H */