diff options
Diffstat (limited to 'setup.c')
| -rw-r--r-- | setup.c | 29 |
1 files changed, 29 insertions, 0 deletions
@@ -455,6 +455,7 @@ static int check_repo_format(const char *var, const char *value, void *vdata) if (strcmp(var, "core.repositoryformatversion") == 0) data->version = git_config_int(var, value); else if (skip_prefix(var, "extensions.", &ext)) { + data->has_extensions = 1; /* * record any known extensions here; otherwise, * we fall through to recording it as unknown, and @@ -538,6 +539,34 @@ static int check_repository_format_gently(const char *gitdir, struct repository_ return 0; } +int upgrade_repository_format(int target_version) +{ + struct strbuf sb = STRBUF_INIT; + struct strbuf err = STRBUF_INIT; + struct strbuf repo_version = STRBUF_INIT; + struct repository_format repo_fmt = REPOSITORY_FORMAT_INIT; + + strbuf_git_common_path(&sb, the_repository, "config"); + read_repository_format(&repo_fmt, sb.buf); + strbuf_release(&sb); + + if (repo_fmt.version >= target_version) + return 0; + + if (verify_repository_format(&repo_fmt, &err) < 0 || + (!repo_fmt.version && repo_fmt.has_extensions)) { + warning("unable to upgrade repository format from %d to %d: %s", + repo_fmt.version, target_version, err.buf); + strbuf_release(&err); + return -1; + } + + strbuf_addf(&repo_version, "%d", target_version); + git_config_set("core.repositoryformatversion", repo_version.buf); + strbuf_release(&repo_version); + return 1; +} + static void init_repository_format(struct repository_format *format) { const struct repository_format fresh = REPOSITORY_FORMAT_INIT; |