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[2a01:4f8:120:2468::2]) by smtp.gmail.com with ESMTPSA id j13sm3820488wrt.29.2021.03.08.07.07.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 Mar 2021 07:07:26 -0800 (PST) From: =?UTF-8?q?=C3=86var=20Arnfj=C3=B6r=C3=B0=20Bjarmason?= To: git@vger.kernel.org Cc: Junio C Hamano , Elijah Newren , Kirill Smelkov , =?UTF-8?q?Nguy=E1=BB=85n=20Th=C3=A1i=20Ng=E1=BB=8Dc=20Duy?= , =?UTF-8?q?=C3=86var=20Arnfj=C3=B6r=C3=B0=20Bjarmason?= Subject: [PATCH 22/30] tree-walk.h API: Add get_tree_entry_type() Date: Mon, 8 Mar 2021 16:06:42 +0100 Message-Id: <20210308150650.18626-23-avarab@gmail.com> X-Mailer: git-send-email 2.31.0.rc0.126.g04f22c5b82 In-Reply-To: <20210308022138.28166-1-avarab@gmail.com> References: <20210308022138.28166-1-avarab@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Add a get_tree_entry_type() helper function to compliment the existing get_tree_entry(). Move those users of get_tree_entry_type() who didn't care about the mode specifically, but just want to know whether the tree entry is one of OBJ_{BLOB,COMMIT,TREE} over to it. Signed-off-by: Ævar Arnfjörð Bjarmason --- archive.c | 8 ++++---- blame.c | 8 ++++---- match-trees.c | 10 +++++----- tree-walk.c | 47 ++++++++++++++++++++++++++++++++++++----------- tree-walk.h | 15 +++++++++++++-- 5 files changed, 62 insertions(+), 26 deletions(-) diff --git a/archive.c b/archive.c index 95fa759e1fb..bc8f1c7546f 100644 --- a/archive.c +++ b/archive.c @@ -479,14 +479,14 @@ static void parse_treeish_arg(const char **argv, if (prefix) { struct object_id tree_oid; - unsigned short mode; + enum object_type object_type; int err; - err = get_tree_entry_mode(ar_args->repo, + err = get_tree_entry_type(ar_args->repo, &tree->object.oid, prefix, &tree_oid, - &mode); - if (err || !S_ISDIR(mode)) + &object_type); + if (err || object_type != OBJ_TREE) die(_("current working directory is untracked")); tree = parse_tree_indirect(&tree_oid); diff --git a/blame.c b/blame.c index 9e0543e13d4..4944582dc3c 100644 --- a/blame.c +++ b/blame.c @@ -101,11 +101,11 @@ static void verify_working_tree_path(struct repository *r, for (parents = work_tree->parents; parents; parents = parents->next) { const struct object_id *commit_oid = &parents->item->object.oid; struct object_id blob_oid; - unsigned short mode; - int ret = get_tree_entry_mode(r, commit_oid, path, &blob_oid, - &mode); + enum object_type object_type; + int ret = get_tree_entry_type(r, commit_oid, path, &blob_oid, + &object_type); - if (!ret && oid_object_info(r, &blob_oid, NULL) == OBJ_BLOB) + if (!ret && object_type == OBJ_BLOB) return; } diff --git a/match-trees.c b/match-trees.c index 4f02768c01e..ce3f811ec04 100644 --- a/match-trees.c +++ b/match-trees.c @@ -317,17 +317,17 @@ void shift_tree_by(struct repository *r, const char *shift_prefix) { struct object_id sub1, sub2; - unsigned short tmp; + enum object_type tmp; unsigned candidate = 0; /* Can hash2 be a tree at shift_prefix in tree hash1? */ - if (!get_tree_entry_mode(r, hash1, shift_prefix, &sub1, &tmp) && - S_ISDIR(tmp)) + if (!get_tree_entry_type(r, hash1, shift_prefix, &sub1, &tmp) && + tmp == OBJ_TREE) candidate |= 1; /* Can hash1 be a tree at shift_prefix in tree hash2? */ - if (!get_tree_entry_mode(r, hash2, shift_prefix, &sub2, &tmp) && - S_ISDIR(tmp)) + if (!get_tree_entry_type(r, hash2, shift_prefix, &sub2, &tmp) && + tmp == OBJ_TREE) candidate |= 2; if (candidate == 3) { diff --git a/tree-walk.c b/tree-walk.c index 7819ff3e0ec..0ad3d80593e 100644 --- a/tree-walk.c +++ b/tree-walk.c @@ -561,7 +561,8 @@ struct dir_state { static int find_tree_entry(struct repository *r, struct tree_desc *t, const char *name, struct object_id *result, - unsigned short *mode) + unsigned short *mode, + enum object_type *object_type) { int namelen = strlen(name); while (t->size) { @@ -585,23 +586,24 @@ static int find_tree_entry(struct repository *r, struct tree_desc *t, } if (name[entrylen] != '/') continue; - if (!S_ISDIR(*mode)) + if (*object_type != OBJ_TREE) break; if (++entrylen == namelen) { oidcpy(result, &oid); return 0; } - return get_tree_entry_mode(r, &oid, name + entrylen, result, - mode); + return get_tree_entry_all(r, &oid, name + entrylen, result, + mode, object_type); } return -1; } -int get_tree_entry_mode(struct repository *r, - const struct object_id *tree_oid, - const char *name, - struct object_id *oid, - unsigned short *mode) +int get_tree_entry_all(struct repository *r, + const struct object_id *tree_oid, + const char *name, + struct object_id *oid, + unsigned short *mode, + enum object_type *object_type) { int retval; void *tree; @@ -624,12 +626,34 @@ int get_tree_entry_mode(struct repository *r, struct tree_desc t; init_tree_desc(&t, tree, size); retval = find_tree_entry(r, &t, name, oid, - mode); + mode, object_type); } free(tree); return retval; } +int get_tree_entry_mode(struct repository *r, + const struct object_id *tree_oid, + const char *name, + struct object_id *oid, + unsigned short *mode) +{ + enum object_type object_type; + return get_tree_entry_all(r, tree_oid, name, oid, + mode, &object_type); +} + +int get_tree_entry_type(struct repository *r, + const struct object_id *tree_oid, + const char *name, + struct object_id *oid, + enum object_type *object_type) +{ + unsigned short mode; + return get_tree_entry_all(r, tree_oid, name, oid, + &mode, object_type); +} + /* * This is Linux's built-in max for the number of symlinks to follow. * That limit, of course, does not affect git, but it's a reasonable @@ -674,6 +698,7 @@ enum get_oid_result get_tree_entry_follow_symlinks(struct repository *r, int find_result; char *first_slash; char *remainder = NULL; + enum object_type object_type; if (!t.buffer) { void *tree; @@ -751,7 +776,7 @@ enum get_oid_result get_tree_entry_follow_symlinks(struct repository *r, /* Look up the first (or only) path component in the tree. */ find_result = find_tree_entry(r, &t, namebuf.buf, ¤t_tree_oid, - mode); + mode, &object_type); if (find_result) { goto done; } diff --git a/tree-walk.h b/tree-walk.h index eb9b9de6ccc..5db38fcb575 100644 --- a/tree-walk.h +++ b/tree-walk.h @@ -171,12 +171,23 @@ struct traverse_info { * Find an entry in a tree given a pathname and the sha1 of a tree to * search. Returns 0 if the entry is found and -1 otherwise. * - * The third and fourth parameters are set to the entry's sha1 and - * mode respectively. + * There are variants of this function depending on what fields in the + * "struct name_entry" you'd like. You always need to pointer to an + * appropriate variable to fill in (NULL won't do!): + * + * get_tree_entry_mode(): unsigned int mode + * get_tree_entry_type(): enum object_type + * get_tree_entry_all(): unsigned int mode, enum object_type */ int get_tree_entry_mode(struct repository *, const struct object_id *, const char *, struct object_id *, unsigned short *); +int get_tree_entry_type(struct repository *, const struct object_id *, const char *, + struct object_id *, + enum object_type *); +int get_tree_entry_all(struct repository *, const struct object_id *, const char *, + struct object_id *, + unsigned short *, enum object_type *); /** * Generate the full pathname of a tree entry based from the root of the -- 2.31.0.rc0.126.g04f22c5b82