diff options
| -rw-r--r-- | include/git2/submodule.h | 16 | ||||
| -rw-r--r-- | src/submodule.c | 616 | ||||
| -rw-r--r-- | src/submodule.h | 38 |
3 files changed, 336 insertions, 334 deletions
diff --git a/include/git2/submodule.h b/include/git2/submodule.h index 91b5300ae..3267bcd0f 100644 --- a/include/git2/submodule.h +++ b/include/git2/submodule.h @@ -119,19 +119,9 @@ typedef enum { GIT_SUBMODULE_STATUS_WD_UNTRACKED = (1u << 13), } git_submodule_status_t; -#define GIT_SUBMODULE_STATUS__IN_FLAGS \ - (GIT_SUBMODULE_STATUS_IN_HEAD | \ - GIT_SUBMODULE_STATUS_IN_INDEX | \ - GIT_SUBMODULE_STATUS_IN_CONFIG | \ - GIT_SUBMODULE_STATUS_IN_WD) - -#define GIT_SUBMODULE_STATUS__INDEX_FLAGS \ - (GIT_SUBMODULE_STATUS_INDEX_ADDED | \ - GIT_SUBMODULE_STATUS_INDEX_DELETED | \ - GIT_SUBMODULE_STATUS_INDEX_MODIFIED) - -#define GIT_SUBMODULE_STATUS__WD_FLAGS \ - ~(GIT_SUBMODULE_STATUS__IN_FLAGS | GIT_SUBMODULE_STATUS__INDEX_FLAGS) +#define GIT_SUBMODULE_STATUS__IN_FLAGS 0x000Fu +#define GIT_SUBMODULE_STATUS__INDEX_FLAGS 0x0070u +#define GIT_SUBMODULE_STATUS__WD_FLAGS 0x3F80u #define GIT_SUBMODULE_STATUS_IS_UNMODIFIED(S) \ (((S) & ~GIT_SUBMODULE_STATUS__IN_FLAGS) == 0) diff --git a/src/submodule.c b/src/submodule.c index e6ed7e33e..0beedeb42 100644 --- a/src/submodule.c +++ b/src/submodule.c @@ -71,15 +71,11 @@ static int load_submodule_config(git_repository *repo); static git_config_backend *open_gitmodules(git_repository *, bool, const git_oid *); static int lookup_head_remote(git_buf *url, git_repository *repo); static int submodule_get(git_submodule **, git_repository *, const char *, const char *); -static void submodule_release(git_submodule *sm, int decr); -static int submodule_load_from_index(git_repository *, const git_index_entry *); -static int submodule_load_from_head(git_repository*, const char*, const git_oid*); static int submodule_load_from_config(const git_config_entry *, void *); static int submodule_load_from_wd_lite(git_submodule *, const char *, void *); static int submodule_update_config(git_submodule *, const char *, const char *, bool, bool); -static void submodule_mode_mismatch(git_repository *, const char *, unsigned int); -static int submodule_index_status(unsigned int *status, git_submodule *sm); -static int submodule_wd_status(unsigned int *status, git_submodule *sm); +static void submodule_get_index_status(unsigned int *, git_submodule *); +static void submodule_get_wd_status(unsigned int *, git_submodule *, git_repository *, git_submodule_ignore_t); static int submodule_cmp(const void *a, const void *b) { @@ -161,7 +157,7 @@ int git_submodule_foreach( * us from issuing a callback twice for a submodule where the name * and path are not the same. */ - if (sm->refcount > 1) { + if (GIT_REFCOUNT_VAL(sm) > 1) { if (git_vector_bsearch(NULL, &seen, sm) != GIT_ENOTFOUND) continue; if ((error = git_vector_insert(&seen, sm)) < 0) @@ -193,9 +189,7 @@ void git_submodule_config_free(git_repository *repo) if (smcfg == NULL) return; - git_strmap_foreach_value(smcfg, sm, { - submodule_release(sm,1); - }); + git_strmap_foreach_value(smcfg, sm, { git_submodule_free(sm); }); git_strmap_free(smcfg); } @@ -336,7 +330,7 @@ int git_submodule_add_finalize(git_submodule *sm) assert(sm); - if ((error = git_repository_index__weakptr(&index, sm->owner)) < 0 || + if ((error = git_repository_index__weakptr(&index, sm->repo)) < 0 || (error = git_index_add_bypath(index, GIT_MODULES_FILE)) < 0) return error; @@ -346,7 +340,7 @@ int git_submodule_add_finalize(git_submodule *sm) int git_submodule_add_to_index(git_submodule *sm, int write_index) { int error; - git_repository *repo, *sm_repo = NULL; + git_repository *sm_repo = NULL; git_index *index; git_buf path = GIT_BUF_INIT; git_commit *head; @@ -355,14 +349,12 @@ int git_submodule_add_to_index(git_submodule *sm, int write_index) assert(sm); - repo = sm->owner; - /* force reload of wd OID by git_submodule_open */ sm->flags = sm->flags & ~GIT_SUBMODULE_STATUS__WD_OID_VALID; - if ((error = git_repository_index__weakptr(&index, repo)) < 0 || + if ((error = git_repository_index__weakptr(&index, sm->repo)) < 0 || (error = git_buf_joinpath( - &path, git_repository_workdir(repo), sm->path)) < 0 || + &path, git_repository_workdir(sm->repo), sm->path)) < 0 || (error = git_submodule_open(&sm_repo, sm)) < 0) goto cleanup; @@ -422,7 +414,7 @@ int git_submodule_save(git_submodule *submodule) assert(submodule); - mods = open_gitmodules(submodule->owner, true, NULL); + mods = open_gitmodules(submodule->repo, true, NULL); if (!mods) { giterr_set(GITERR_SUBMODULE, "Adding submodules to a bare repository is not supported (for now)"); @@ -485,7 +477,7 @@ cleanup: git_repository *git_submodule_owner(git_submodule *submodule) { assert(submodule); - return submodule->owner; + return submodule->repo; } const char *git_submodule_name(git_submodule *submodule) @@ -542,20 +534,12 @@ const git_oid *git_submodule_wd_id(git_submodule *submodule) { assert(submodule); - /* if we know the submodule index timestamp and it has moved, then - * let's reload the working directory information for the submodule - */ - if (submodule->wd_head_path != NULL && - git_futils_filestamp_check( - &submodule->wd_stamp, submodule->wd_head_path)) - submodule->flags &= ~GIT_SUBMODULE_STATUS__WD_OID_VALID; - /* load unless we think we have a valid oid */ if (!(submodule->flags & GIT_SUBMODULE_STATUS__WD_OID_VALID)) { git_repository *subrepo; /* calling submodule open grabs the HEAD OID if possible */ - if (!git_submodule_open(&subrepo, submodule)) + if (!git_submodule_open_bare(&subrepo, submodule)) git_repository_free(subrepo); else giterr_clear(); @@ -674,74 +658,68 @@ int git_submodule_sync(git_submodule *submodule) submodule, "url", submodule->url, true, true); } -int git_submodule_open( - git_repository **subrepo, - git_submodule *submodule) +static int git_submodule__open( + git_repository **subrepo, git_submodule *sm, bool bare) { int error; git_buf path = GIT_BUF_INIT; - git_repository *repo; - const char *workdir; + unsigned int flags = GIT_REPOSITORY_OPEN_NO_SEARCH; + const char *wd; - assert(submodule && subrepo); + assert(sm && subrepo); - repo = submodule->owner; - workdir = git_repository_workdir(repo); + if (git_repository__ensure_not_bare( + sm->repo, "open submodule repository") < 0) + return GIT_EBAREREPO; - if (!workdir) { - giterr_set(GITERR_REPOSITORY, - "Cannot open submodule repository in a bare repo"); - return GIT_ENOTFOUND; - } - - if ((submodule->flags & GIT_SUBMODULE_STATUS_IN_WD) == 0) { - giterr_set(GITERR_REPOSITORY, - "Cannot open submodule repository that is not checked out"); - return GIT_ENOTFOUND; - } + wd = git_repository_workdir(sm->repo); - if (git_buf_joinpath(&path, workdir, submodule->path) < 0) + if (git_buf_joinpath(&path, wd, sm->path) < 0 || + git_buf_joinpath(&path, path.ptr, DOT_GIT) < 0) return -1; - error = git_repository_open(subrepo, path.ptr); + sm->flags = sm->flags & + ~(GIT_SUBMODULE_STATUS_IN_WD | + GIT_SUBMODULE_STATUS__WD_OID_VALID | + GIT_SUBMODULE_STATUS__WD_SCANNED); - git_buf_free(&path); + if (bare) + flags |= GIT_REPOSITORY_OPEN_BARE; - /* if we have opened the submodule successfully, let's grab the HEAD OID */ - if (!error) { - git_buf buf = GIT_BUF_INIT; + error = git_repository_open_ext(subrepo, path.ptr, flags, wd); - /* For now, let's just the index timestamp... - * - * git_buf_joinpath(&buf, git_repository_path(*subrepo), GIT_HEAD_FILE); - * if (!git_path_exists(buf.ptr)) { - */ - git_index *index; - if (!git_repository_index__weakptr(&index, *subrepo)) - git_buf_sets(&buf, git_index_path(index)); - else - git_buf_free(&buf); - /* } */ + /* if we opened the submodule successfully, grab HEAD OID, etc. */ + if (!error) { + sm->flags |= GIT_SUBMODULE_STATUS_IN_WD | + GIT_SUBMODULE_STATUS__WD_SCANNED; - if (git_buf_len(&buf) > 0) { - git__free(submodule->wd_head_path); - submodule->wd_head_path = git_buf_detach(&buf); - } + if (!git_reference_name_to_id(&sm->wd_oid, *subrepo, GIT_HEAD_FILE)) + sm->flags |= GIT_SUBMODULE_STATUS__WD_OID_VALID; + else + giterr_clear(); + } else if (git_path_exists(path.ptr)) { + sm->flags |= GIT_SUBMODULE_STATUS__WD_SCANNED | + GIT_SUBMODULE_STATUS_IN_WD; + } else { + git_buf_rtruncate_at_char(&path, '/'); /* remove "/.git" */ - if (!git_reference_name_to_id( - &submodule->wd_oid, *subrepo, GIT_HEAD_FILE)) { + if (git_path_isdir(path.ptr)) + sm->flags |= GIT_SUBMODULE_STATUS__WD_SCANNED; + } - submodule->flags |= GIT_SUBMODULE_STATUS__WD_OID_VALID; + git_buf_free(&path); - if (submodule->wd_head_path) - git_futils_filestamp_check( - &submodule->wd_stamp, submodule->wd_head_path); - } + return error; +} - giterr_clear(); - } +int git_submodule_open_bare(git_repository **subrepo, git_submodule *sm) +{ + return git_submodule__open(subrepo, sm, true); +} - return error; +int git_submodule_open(git_repository **subrepo, git_submodule *sm) +{ + return git_submodule__open(subrepo, sm, false); } int git_submodule_reload_all(git_repository *repo) @@ -751,74 +729,99 @@ int git_submodule_reload_all(git_repository *repo) return load_submodule_config(repo); } -int git_submodule_reload(git_submodule *submodule) +static void submodule_update_from_index_entry( + git_submodule *sm, const git_index_entry *ie) { - git_repository *repo; - git_index *index; - int error; - size_t pos; - git_tree *head; - git_config_backend *mods; + bool already_found = (sm->flags & GIT_SUBMODULE_STATUS_IN_INDEX) != 0; - assert(submodule); + if (!S_ISGITLINK(ie->mode)) { + if (!already_found) + sm->flags |= GIT_SUBMODULE_STATUS__INDEX_NOT_SUBMODULE; + } else { + if (already_found) + sm->flags |= GIT_SUBMODULE_STATUS__INDEX_MULTIPLE_ENTRIES; + else + git_oid_cpy(&sm->index_oid, &ie->oid); - /* refresh index data */ + sm->flags |= GIT_SUBMODULE_STATUS_IN_INDEX | + GIT_SUBMODULE_STATUS__INDEX_OID_VALID; + } +} + +static int submodule_update_index(git_submodule *sm) +{ + git_index *index; + const git_index_entry *ie; - repo = submodule->owner; - if (git_repository_index__weakptr(&index, repo) < 0) + if (git_repository_index__weakptr(&index, sm->repo) < 0) return -1; - submodule->flags = submodule->flags & + sm->flags = sm->flags & ~(GIT_SUBMODULE_STATUS_IN_INDEX | GIT_SUBMODULE_STATUS__INDEX_OID_VALID); - if (!git_index_find(&pos, index, submodule->path)) { - const git_index_entry *entry = git_index_get_byindex(index, pos); + if (!(ie = git_index_get_bypath(index, sm->path, 0))) + return 0; - if (S_ISGITLINK(entry->mode)) { - if ((error = submodule_load_from_index(repo, entry)) < 0) - return error; - } else { - submodule_mode_mismatch( - repo, entry->path, GIT_SUBMODULE_STATUS__INDEX_NOT_SUBMODULE); - } + submodule_update_from_index_entry(sm, ie); + + return 0; +} + +static void submodule_update_from_head_data( + git_submodule *sm, mode_t mode, const git_oid *id) +{ + if (!S_ISGITLINK(mode)) + sm->flags |= GIT_SUBMODULE_STATUS__HEAD_NOT_SUBMODULE; + else { + git_oid_cpy(&sm->head_oid, id); + + sm->flags |= GIT_SUBMODULE_STATUS_IN_HEAD | + GIT_SUBMODULE_STATUS__HEAD_OID_VALID; } +} - /* refresh HEAD tree data */ +static int submodule_update_head(git_submodule *submodule) +{ + git_tree *head = NULL; + git_tree_entry *te; - if (!(error = git_repository_head_tree(&head, repo))) { - git_tree_entry *te; + submodule->flags = submodule->flags & + ~(GIT_SUBMODULE_STATUS_IN_HEAD | + GIT_SUBMODULE_STATUS__HEAD_OID_VALID); - submodule->flags = submodule->flags & - ~(GIT_SUBMODULE_STATUS_IN_HEAD | - GIT_SUBMODULE_STATUS__HEAD_OID_VALID); + /* if we can't look up file in current head, then done */ + if (git_repository_head_tree(&head, submodule->repo) < 0 || + git_tree_entry_bypath(&te, head, submodule->path) < 0) + giterr_clear(); + else + submodule_update_from_head_data(submodule, te->attr, &te->oid); - if (!(error = git_tree_entry_bypath(&te, head, submodule->path))) { + git_tree_free(head); + return 0; +} - if (S_ISGITLINK(te->attr)) { - error = submodule_load_from_head(repo, submodule->path, &te->oid); - } else { - submodule_mode_mismatch( - repo, submodule->path, - GIT_SUBMODULE_STATUS__HEAD_NOT_SUBMODULE); - } +int git_submodule_reload(git_submodule *submodule) +{ + int error = 0; + git_config_backend *mods; - git_tree_entry_free(te); - } - else if (error == GIT_ENOTFOUND) { - giterr_clear(); - error = 0; - } + assert(submodule); - git_tree_free(head); - } + /* refresh index data */ - if (error < 0) - return error; + if (submodule_update_index(submodule) < 0) + return -1; + + /* refresh HEAD tree data */ + + if (submodule_update_head(submodule) < 0) + return -1; /* refresh config data */ - if ((mods = open_gitmodules(repo, false, NULL)) != NULL) { + mods = open_gitmodules(submodule->repo, false, NULL); + if (mods != NULL) { git_buf path = GIT_BUF_INIT; git_buf_sets(&path, "submodule\\."); @@ -829,7 +832,7 @@ int git_submodule_reload(git_submodule *submodule) error = -1; else error = git_config_file_foreach_match( - mods, path.ptr, submodule_load_from_config, repo); + mods, path.ptr, submodule_load_from_config, submodule->repo); git_buf_free(&path); git_config_file_free(mods); @@ -848,38 +851,91 @@ int git_submodule_reload(git_submodule *submodule) return error; } -int git_submodule_status( - unsigned int *status, - git_submodule *submodule) +static void submodule_copy_oid_maybe( + git_oid *tgt, const git_oid *src, bool valid) { - int error = 0; - unsigned int status_val; + if (tgt) { + if (valid) + memcpy(tgt, src, sizeof(*tgt)); + else + memset(tgt, 0, sizeof(*tgt)); + } +} - assert(status && submodule); +int git_submodule__status( + unsigned int *out_status, + git_oid *out_head_id, + git_oid *out_index_id, + git_oid *out_wd_id, + git_submodule *sm, + git_submodule_ignore_t ign) +{ + unsigned int status; + git_repository *smrepo = NULL; - status_val = GIT_SUBMODULE_STATUS__CLEAR_INTERNAL(submodule->flags); + if (ign == GIT_SUBMODULE_IGNORE_DEFAULT) + ign = sm->ignore; - if (submodule->ignore != GIT_SUBMODULE_IGNORE_ALL) { - if (!(error = submodule_index_status(&status_val, submodule))) - error = submodule_wd_status(&status_val, submodule); + /* only return location info if ignore == all */ + if (ign == GIT_SUBMODULE_IGNORE_ALL) { + *out_status = (sm->flags & GIT_SUBMODULE_STATUS__IN_FLAGS); + return 0; } - *status = status_val; + /* refresh the index OID */ + if (submodule_update_index(sm) < 0) + return -1; + + /* refresh the HEAD OID */ + if (submodule_update_head(sm) < 0) + return -1; - return error; + /* for ignore == dirty, don't scan the working directory */ + if (ign == GIT_SUBMODULE_IGNORE_DIRTY) { + /* git_submodule_open_bare will load WD OID data */ + if (git_submodule_open_bare(&smrepo, sm) < 0) + giterr_clear(); + else + git_repository_free(smrepo); + smrepo = NULL; + } else if (git_submodule_open(&smrepo, sm) < 0) { + giterr_clear(); + smrepo = NULL; + } + + status = GIT_SUBMODULE_STATUS__CLEAR_INTERNAL(sm->flags); + + submodule_get_index_status(&status, sm); + submodule_get_wd_status(&status, sm, smrepo, ign); + + git_repository_free(smrepo); + + *out_status = status; + + submodule_copy_oid_maybe(out_head_id, &sm->head_oid, + (sm->flags & GIT_SUBMODULE_STATUS__HEAD_OID_VALID) != 0); + submodule_copy_oid_maybe(out_index_id, &sm->index_oid, + (sm->flags & GIT_SUBMODULE_STATUS__INDEX_OID_VALID) != 0); + submodule_copy_oid_maybe(out_wd_id, &sm->wd_oid, + (sm->flags & GIT_SUBMODULE_STATUS__WD_OID_VALID) != 0); + + return 0; } -int git_submodule_location( - unsigned int *location_status, - git_submodule *submodule) +int git_submodule_status(unsigned int *status, git_submodule *sm) { - assert(location_status && submodule); + assert(status && sm); - *location_status = submodule->flags & - (GIT_SUBMODULE_STATUS_IN_HEAD | GIT_SUBMODULE_STATUS_IN_INDEX | - GIT_SUBMODULE_STATUS_IN_CONFIG | GIT_SUBMODULE_STATUS_IN_WD); + return git_submodule__status( + status, NULL, NULL, NULL, sm, GIT_SUBMODULE_IGNORE_DEFAULT); +} - return 0; +int git_submodule_location(unsigned int *location, git_submodule *sm) +{ + assert(location && sm); + + return git_submodule__status( + location, NULL, NULL, NULL, sm, GIT_SUBMODULE_IGNORE_ALL); } @@ -889,54 +945,47 @@ int git_submodule_location( static git_submodule *submodule_alloc(git_repository *repo, const char *name) { + size_t namelen; git_submodule *sm; - if (!name || !strlen(name)) { + if (!name || !(namelen = strlen(name))) { giterr_set(GITERR_SUBMODULE, "Invalid submodule name"); return NULL; } - sm = git__calloc(1, sizeof(git_submodule)); + sm = git__calloc(1, sizeof(git_submodule) + namelen + 1); if (sm == NULL) - goto fail; - - sm->path = sm->name = git__strdup(name); - if (!sm->name) - goto fail; + return NULL; - sm->owner = repo; - sm->refcount = 1; + sm->name = sm->path = git__strdup(name); + if (!sm->name) { + git__free(sm); + return NULL; + } + GIT_REFCOUNT_INC(sm); + sm->repo = repo; return sm; - -fail: - submodule_release(sm, 0); - return NULL; } -static void submodule_release(git_submodule *sm, int decr) +static void submodule_release(git_submodule *sm) { if (!sm) return; - sm->refcount -= decr; - - if (sm->refcount == 0) { - if (sm->name != sm->path) { - git__free(sm->path); - sm->path = NULL; - } - - git__free(sm->name); - sm->name = NULL; - - git__free(sm->url); - sm->url = NULL; - - sm->owner = NULL; + if (sm->path != sm->name) + git__free(sm->path); + git__free(sm->name); + git__free(sm->url); + git__memzero(sm, sizeof(*sm)); + git__free(sm); +} - git__free(sm); - } +void git_submodule_free(git_submodule *sm) +{ + if (!sm) + return; + GIT_REFCOUNT_DEC(sm, submodule_release); } static int submodule_get( @@ -966,10 +1015,10 @@ static int submodule_get( pos = kh_put(str, smcfg, sm->name, &error); if (error < 0) { - submodule_release(sm, 1); + git_submodule_free(sm); sm = NULL; } else if (error == 0) { - submodule_release(sm, 1); + git_submodule_free(sm); sm = git_strmap_value_at(smcfg, pos); } else { git_strmap_set_value_at(smcfg, pos, sm); @@ -983,43 +1032,6 @@ static int submodule_get( return (sm != NULL) ? 0 : -1; } -static int submodule_load_from_index( - git_repository *repo, const git_index_entry *entry) -{ - git_submodule *sm; - - if (submodule_get(&sm, repo, entry->path, NULL) < 0) - return -1; - - if (sm->flags & GIT_SUBMODULE_STATUS_IN_INDEX) { - sm->flags |= GIT_SUBMODULE_STATUS__INDEX_MULTIPLE_ENTRIES; - return 0; - } - - sm->flags |= GIT_SUBMODULE_STATUS_IN_INDEX; - - git_oid_cpy(&sm->index_oid, &entry->oid); - sm->flags |= GIT_SUBMODULE_STATUS__INDEX_OID_VALID; - - return 0; -} - -static int submodule_load_from_head( - git_repository *repo, const char *path, const git_oid *oid) -{ - git_submodule *sm; - - if (submodule_get(&sm, repo, path, NULL) < 0) - return -1; - - sm->flags |= GIT_SUBMODULE_STATUS_IN_HEAD; - - git_oid_cpy(&sm->head_oid, oid); - sm->flags |= GIT_SUBMODULE_STATUS__HEAD_OID_VALID; - - return 0; -} - static int submodule_config_error(const char *property, const char *value) { giterr_set(GITERR_INVALID, @@ -1079,11 +1091,11 @@ static int submodule_load_from_config( git_strmap_insert2(smcfg, alternate, sm, old_sm, error); if (error >= 0) - sm->refcount++; /* inserted under a new key */ + GIT_REFCOUNT_INC(sm); /* inserted under a new key */ /* if we replaced an old module under this key, release the old one */ if (old_sm && ((git_submodule *)old_sm) != sm) { - submodule_release(old_sm, 1); + git_submodule_free(old_sm); /* TODO: log warning about multiple submodules with same path */ } } @@ -1133,13 +1145,15 @@ static int submodule_load_from_config( static int submodule_load_from_wd_lite( git_submodule *sm, const char *name, void *payload) { - git_repository *repo = git_submodule_owner(sm); git_buf path = GIT_BUF_INIT; GIT_UNUSED(name); GIT_UNUSED(payload); - if (git_buf_joinpath(&path, git_repository_workdir(repo), sm->path) < 0) + if (git_repository_is_bare(sm->repo)) + return 0; + + if (git_buf_joinpath(&path, git_repository_workdir(sm->repo), sm->path) < 0) return -1; if (git_path_isdir(path.ptr)) @@ -1153,18 +1167,6 @@ static int submodule_load_from_wd_lite( return 0; } -static void submodule_mode_mismatch( - git_repository *repo, const char *path, unsigned int flag) -{ - khiter_t pos = git_strmap_lookup_index(repo->submodules, path); - - if (git_strmap_valid_index(repo->submodules, pos)) { - git_submodule *sm = git_strmap_value_at(repo->submodules, pos); - - sm->flags |= flag; - } -} - static int load_submodule_config_from_index( git_repository *repo, git_oid *gitmodules_oid) { @@ -1178,18 +1180,21 @@ static int load_submodule_config_from_index( return error; while (!(error = git_iterator_advance(&entry, i))) { + khiter_t pos = git_strmap_lookup_index(repo->submodules, entry->path); + git_submodule *sm; - if (S_ISGITLINK(entry->mode)) { - error = submodule_load_from_index(repo, entry); - if (error < 0) - break; - } else { - submodule_mode_mismatch( - repo, entry->path, GIT_SUBMODULE_STATUS__INDEX_NOT_SUBMODULE); + if (git_strmap_valid_index(repo->submodules, pos)) { + sm = git_strmap_value_at(repo->submodules, pos); - if (strcmp(entry->path, GIT_MODULES_FILE) == 0) - git_oid_cpy(gitmodules_oid, &entry->oid); - } + if (S_ISGITLINK(entry->mode)) + submodule_update_from_index_entry(sm, entry); + else + sm->flags |= GIT_SUBMODULE_STATUS__INDEX_NOT_SUBMODULE; + } else if (S_ISGITLINK(entry->mode)) { + if (!submodule_get(&sm, repo, entry->path, NULL)) + submodule_update_from_index_entry(sm, entry); + } else if (strcmp(entry->path, GIT_MODULES_FILE) == 0) + git_oid_cpy(gitmodules_oid, &entry->oid); } if (error == GIT_ITEROVER) @@ -1220,18 +1225,24 @@ static int load_submodule_config_from_head( } while (!(error = git_iterator_advance(&entry, i))) { + khiter_t pos = git_strmap_lookup_index(repo->submodules, entry->path); + git_submodule *sm; - if (S_ISGITLINK(entry->mode)) { - error = submodule_load_from_head(repo, entry->path, &entry->oid); - if (error < 0) - break; - } else { - submodule_mode_mismatch( - repo, entry->path, GIT_SUBMODULE_STATUS__HEAD_NOT_SUBMODULE); + if (git_strmap_valid_index(repo->submodules, pos)) { + sm = git_strmap_value_at(repo->submodules, pos); - if (strcmp(entry->path, GIT_MODULES_FILE) == 0 && - git_oid_iszero(gitmodules_oid)) - git_oid_cpy(gitmodules_oid, &entry->oid); + if (S_ISGITLINK(entry->mode)) + submodule_update_from_head_data( + sm, entry->mode, &entry->oid); + else + sm->flags |= GIT_SUBMODULE_STATUS__HEAD_NOT_SUBMODULE; + } else if (S_ISGITLINK(entry->mode)) { + if (!submodule_get(&sm, repo, entry->path, NULL)) + submodule_update_from_head_data( + sm, entry->mode, &entry->oid); + } else if (strcmp(entry->path, GIT_MODULES_FILE) == 0 && + git_oid_iszero(gitmodules_oid)) { + git_oid_cpy(gitmodules_oid, &entry->oid); } } @@ -1416,7 +1427,7 @@ static int submodule_update_config( assert(submodule); - error = git_repository_config__weakptr(&config, submodule->owner); + error = git_repository_config__weakptr(&config, submodule->repo); if (error < 0) return error; @@ -1444,11 +1455,13 @@ cleanup: return error; } -static int submodule_index_status(unsigned int *status, git_submodule *sm) +static void submodule_get_index_status(unsigned int *status, git_submodule *sm) { const git_oid *head_oid = git_submodule_head_id(sm); const git_oid *index_oid = git_submodule_index_id(sm); + *status = *status & ~GIT_SUBMODULE_STATUS__INDEX_FLAGS; + if (!head_oid) { if (index_oid) *status |= GIT_SUBMODULE_STATUS_INDEX_ADDED; @@ -1457,27 +1470,22 @@ static int submodule_index_status(unsigned int *status, git_submodule *sm) *status |= GIT_SUBMODULE_STATUS_INDEX_DELETED; else if (!git_oid_equal(head_oid, index_oid)) *status |= GIT_SUBMODULE_STATUS_INDEX_MODIFIED; - - return 0; } -static int submodule_wd_status(unsigned int *status, git_submodule *sm) +static void submodule_get_wd_status( + unsigned int *status, + git_submodule *sm, + git_repository *sm_repo, + git_submodule_ignore_t ign) { - int error = 0; - const git_oid *wd_oid, *index_oid; - git_repository *sm_repo = NULL; - - /* open repo now if we need it (so wd_id() call won't reopen) */ - if ((sm->ignore == GIT_SUBMODULE_IGNORE_NONE || - sm->ignore == GIT_SUBMODULE_IGNORE_UNTRACKED) && - (sm->flags & GIT_SUBMODULE_STATUS_IN_WD) != 0) - { - if ((error = git_submodule_open(&sm_repo, sm)) < 0) - return error; - } + const git_oid *index_oid = git_submodule_index_id(sm); + const git_oid *wd_oid = + (sm->flags & GIT_SUBMODULE_STATUS__WD_OID_VALID) ? &sm->wd_oid : NULL; + git_tree *sm_head = NULL; + git_diff_options opt = GIT_DIFF_OPTIONS_INIT; + git_diff_list *diff; - index_oid = git_submodule_index_id(sm); - wd_oid = git_submodule_wd_id(sm); + *status = *status & ~GIT_SUBMODULE_STATUS__WD_FLAGS; if (!index_oid) { if (wd_oid) @@ -1493,59 +1501,49 @@ static int submodule_wd_status(unsigned int *status, git_submodule *sm) else if (!git_oid_equal(index_oid, wd_oid)) *status |= GIT_SUBMODULE_STATUS_WD_MODIFIED; - if (sm_repo != NULL) { - git_tree *sm_head; - git_diff_options opt = GIT_DIFF_OPTIONS_INIT; - git_diff_list *diff; - - /* the diffs below could be optimized with an early termination - * option to the git_diff functions, but for now this is sufficient - * (and certainly no worse that what core git does). - */ - - /* perform head-to-index diff on submodule */ - - if ((error = git_repository_head_tree(&sm_head, sm_repo)) < 0) - return error; + /* if we have no repo, then we're done */ + if (!sm_repo) + return; - if (sm->ignore == GIT_SUBMODULE_IGNORE_NONE) - opt.flags |= GIT_DIFF_INCLUDE_UNTRACKED; + /* the diffs below could be optimized with an early termination + * option to the git_diff functions, but for now this is sufficient + * (and certainly no worse that what core git does). + */ - error = git_diff_tree_to_index(&diff, sm_repo, sm_head, NULL, &opt); + if (ign == GIT_SUBMODULE_IGNORE_NONE) + opt.flags |= GIT_DIFF_INCLUDE_UNTRACKED; - if (!error) { + /* if we don't have an orphaned head, check diff with index */ + if (git_repository_head_tree(&sm_head, sm_repo) < 0) + giterr_clear(); + else { + /* perform head to index diff on submodule */ + if (git_diff_tree_to_index(&diff, sm_repo, sm_head, NULL, &opt) < 0) + giterr_clear(); + else { if (git_diff_num_deltas(diff) > 0) *status |= GIT_SUBMODULE_STATUS_WD_INDEX_MODIFIED; - git_diff_list_free(diff); diff = NULL; } git_tree_free(sm_head); + } - if (error < 0) - return error; - - /* perform index-to-workdir diff on submodule */ - - error = git_diff_index_to_workdir(&diff, sm_repo, NULL, &opt); - - if (!error) { - size_t untracked = - git_diff_num_deltas_of_type(diff, GIT_DELTA_UNTRACKED); - - if (untracked > 0) - *status |= GIT_SUBMODULE_STATUS_WD_UNTRACKED; + /* perform index-to-workdir diff on submodule */ + if (git_diff_index_to_workdir(&diff, sm_repo, NULL, &opt) < 0) + giterr_clear(); + else { + size_t untracked = + git_diff_num_deltas_of_type(diff, GIT_DELTA_UNTRACKED); - if (git_diff_num_deltas(diff) != untracked) - *status |= GIT_SUBMODULE_STATUS_WD_WD_MODIFIED; + if (untracked > 0) + *status |= GIT_SUBMODULE_STATUS_WD_UNTRACKED; - git_diff_list_free(diff); - diff = NULL; - } + if (git_diff_num_deltas(diff) != untracked) + *status |= GIT_SUBMODULE_STATUS_WD_WD_MODIFIED; - git_repository_free(sm_repo); + git_diff_list_free(diff); + diff = NULL; } - - return error; } diff --git a/src/submodule.h b/src/submodule.h index 88d4f97c7..8db2fff29 100644 --- a/src/submodule.h +++ b/src/submodule.h @@ -48,6 +48,10 @@ * an entry for every submodule found in the HEAD and index, and for every * submodule described in .gitmodules. The fields are as follows: * + * - `rc` tracks the refcount of how many hash table entries in the + * git_submodule_cache there are for this submodule. It only comes into + * play if the name and path of the submodule differ. + * * - `name` is the name of the submodule from .gitmodules. * - `path` is the path to the submodule from the repo root. It is almost * always the same as `name`. @@ -58,18 +62,12 @@ * - `ignore_default` is the ignore value from the config * - `fetch_recurse` is 0 or 1 - see gitmodules(5) fetchRecurseSubmodules. * - * - `owner` is the git_repository containing this submodule + * - `repo` is the parent repository that contains this submodule. * - `flags` after for internal use, tracking where this submodule has been * found (head, index, config, workdir) and known status info, etc. * - `head_oid` is the SHA1 for the submodule path in the repo HEAD. * - `index_oid` is the SHA1 for the submodule recorded in the index. * - `wd_oid` is the SHA1 for the HEAD of the checked out submodule. - * - `wd_index_path` is the path to the index of the checked out submodule - * - `wd_last_index` is a timestamp of that submodule index so we can - * quickly check if the `wd_oid` should be rechecked - * - `refcount` tracks how many hash table entries in the - * git_submodule_cache there are for this submodule. It only comes into - * play if the name and path of the submodule differ. * * If the submodule has been added to .gitmodules but not yet git added, * then the `index_oid` will be zero but still marked valid. If the @@ -77,9 +75,11 @@ * then the `index_oid` will be set, but the `url` will be NULL. */ struct git_submodule { + git_refcount rc; + /* information from config */ char *name; - char *path; /* important: may point to same string data as "name" */ + char *path; /* important: may just point to "name" string */ char *url; git_submodule_update_t update; git_submodule_update_t update_default; @@ -88,14 +88,11 @@ struct git_submodule { int fetch_recurse; /* internal information */ - git_repository *owner; + git_repository *repo; uint32_t flags; git_oid head_oid; git_oid index_oid; git_oid wd_oid; - char *wd_head_path; - git_futils_filestamp wd_stamp; - int refcount; }; /* Additional flags on top of public GIT_SUBMODULE_STATUS values */ @@ -113,4 +110,21 @@ enum { #define GIT_SUBMODULE_STATUS__CLEAR_INTERNAL(S) \ ((S) & ~(0xFFFFFFFFu << 20)) +/* Internal status fn returns status and optionally the various OIDs */ +extern int git_submodule__status( + unsigned int *out_status, + git_oid *out_head_id, + git_oid *out_index_id, + git_oid *out_wd_id, + git_submodule *sm, + git_submodule_ignore_t ign); + +/* Open submodule repository as bare repo for quick HEAD check, etc. */ +extern int git_submodule_open_bare( + git_repository **repo, + git_submodule *submodule); + +/* Release reference to submodule object - not currently for external use */ +extern void git_submodule_free(git_submodule *sm); + #endif |