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author | Junio C Hamano <gitster@pobox.com> | 2015-11-03 15:32:25 -0800 |
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committer | Junio C Hamano <gitster@pobox.com> | 2015-11-03 15:32:25 -0800 |
commit | f89baca1b99ff2882690d6b58dc2071195c6ae84 (patch) | |
tree | 2901be0d9c8d2b46710fe97681b66b116127fd96 /setup.c | |
parent | b05c2f9ed48adfd9670b28ecdd5c55a4e4698704 (diff) | |
parent | 067fbd4105c5aa8260a73cc6961854be0e93fa03 (diff) | |
download | git-f89baca1b99ff2882690d6b58dc2071195c6ae84.tar.gz git-f89baca1b99ff2882690d6b58dc2071195c6ae84.tar.xz |
Merge branch 'jk/repository-extension' into maint
Prepare for Git on-disk repository representation to undergo
backward incompatible changes by introducing a new repository
format version "1", with an extension mechanism.
* jk/repository-extension:
introduce "preciousObjects" repository extension
introduce "extensions" form of core.repositoryformatversion
Diffstat (limited to 'setup.c')
-rw-r--r-- | setup.c | 39 |
1 files changed, 36 insertions, 3 deletions
@@ -5,6 +5,7 @@ static int inside_git_dir = -1; static int inside_work_tree = -1; static int work_tree_config_is_bogus; +static struct string_list unknown_extensions = STRING_LIST_INIT_DUP; /* * The input parameter must contain an absolute path, and it must already be @@ -352,10 +353,25 @@ void setup_work_tree(void) static int check_repo_format(const char *var, const char *value, void *cb) { + const char *ext; + if (strcmp(var, "core.repositoryformatversion") == 0) repository_format_version = git_config_int(var, value); else if (strcmp(var, "core.sharedrepository") == 0) shared_repository = git_config_perm(var, value); + else if (skip_prefix(var, "extensions.", &ext)) { + /* + * record any known extensions here; otherwise, + * we fall through to recording it as unknown, and + * check_repository_format will complain + */ + if (!strcmp(ext, "noop")) + ; + else if (!strcmp(ext, "preciousobjects")) + repository_format_precious_objects = git_config_bool(var, value); + else + string_list_append(&unknown_extensions, ext); + } return 0; } @@ -366,6 +382,8 @@ static int check_repository_format_gently(const char *gitdir, int *nongit_ok) config_fn_t fn; int ret = 0; + string_list_clear(&unknown_extensions, 0); + if (get_common_dir(&sb, gitdir)) fn = check_repo_format; else @@ -383,16 +401,31 @@ static int check_repository_format_gently(const char *gitdir, int *nongit_ok) * is a good one. */ git_config_early(fn, NULL, repo_config); - if (GIT_REPO_VERSION < repository_format_version) { + if (GIT_REPO_VERSION_READ < repository_format_version) { if (!nongit_ok) die ("Expected git repo version <= %d, found %d", - GIT_REPO_VERSION, repository_format_version); + GIT_REPO_VERSION_READ, repository_format_version); warning("Expected git repo version <= %d, found %d", - GIT_REPO_VERSION, repository_format_version); + GIT_REPO_VERSION_READ, repository_format_version); warning("Please upgrade Git"); *nongit_ok = -1; ret = -1; } + + if (repository_format_version >= 1 && unknown_extensions.nr) { + int i; + + if (!nongit_ok) + die("unknown repository extension: %s", + unknown_extensions.items[0].string); + + for (i = 0; i < unknown_extensions.nr; i++) + warning("unknown repository extension: %s", + unknown_extensions.items[i].string); + *nongit_ok = -1; + ret = -1; + } + strbuf_release(&sb); return ret; } |