| #ifndef OBJECT_NAME_H |
| #define OBJECT_NAME_H |
| |
| #include "object.h" |
| #include "strbuf.h" |
| |
| struct object_id; |
| struct repository; |
| |
| struct object_context { |
| unsigned short mode; |
| /* |
| * symlink_path is only used by get_tree_entry_follow_symlinks, |
| * and only for symlinks that point outside the repository. |
| */ |
| struct strbuf symlink_path; |
| /* |
| * If GET_OID_RECORD_PATH is set, this will record path (if any) |
| * found when resolving the name. The caller is responsible for |
| * releasing the memory. |
| */ |
| char *path; |
| }; |
| |
| void object_context_release(struct object_context *ctx); |
| |
| /* |
| * Return an abbreviated sha1 unique within this repository's object database. |
| * The result will be at least `len` characters long, and will be NUL |
| * terminated. |
| * |
| * The non-`_r` version returns a static buffer which remains valid until 4 |
| * more calls to repo_find_unique_abbrev are made. |
| * |
| * The `_r` variant writes to a buffer supplied by the caller, which must be at |
| * least `GIT_MAX_HEXSZ + 1` bytes. The return value is the number of bytes |
| * written (excluding the NUL terminator). |
| * |
| * Note that while this version avoids the static buffer, it is not fully |
| * reentrant, as it calls into other non-reentrant git code. |
| */ |
| const char *repo_find_unique_abbrev(struct repository *r, const struct object_id *oid, int len); |
| int repo_find_unique_abbrev_r(struct repository *r, char *hex, const struct object_id *oid, int len); |
| |
| /** |
| * Add the abbreviation, as generated by repo_find_unique_abbrev(), of `sha1` to |
| * the strbuf `sb`. |
| */ |
| void strbuf_repo_add_unique_abbrev(struct strbuf *sb, struct repository *repo, |
| const struct object_id *oid, int abbrev_len); |
| void strbuf_add_unique_abbrev(struct strbuf *sb, const struct object_id *oid, |
| int abbrev_len); |
| |
| int repo_get_oid(struct repository *r, const char *str, struct object_id *oid); |
| __attribute__((format (printf, 2, 3))) |
| int get_oidf(struct object_id *oid, const char *fmt, ...); |
| int repo_get_oid_commit(struct repository *r, const char *str, struct object_id *oid); |
| int repo_get_oid_committish(struct repository *r, const char *str, struct object_id *oid); |
| int repo_get_oid_tree(struct repository *r, const char *str, struct object_id *oid); |
| int repo_get_oid_treeish(struct repository *r, const char *str, struct object_id *oid); |
| int repo_get_oid_blob(struct repository *r, const char *str, struct object_id *oid); |
| int repo_get_oid_mb(struct repository *r, const char *str, struct object_id *oid); |
| void maybe_die_on_misspelt_object_name(struct repository *repo, |
| const char *name, |
| const char *prefix); |
| enum get_oid_result get_oid_with_context(struct repository *repo, const char *str, |
| unsigned flags, struct object_id *oid, |
| struct object_context *oc); |
| |
| |
| typedef int each_abbrev_fn(const struct object_id *oid, void *); |
| int repo_for_each_abbrev(struct repository *r, const char *prefix, |
| const struct git_hash_algo *algo, each_abbrev_fn, void *); |
| |
| int set_disambiguate_hint_config(const char *var, const char *value); |
| |
| /* |
| * This reads short-hand syntax that not only evaluates to a commit |
| * object name, but also can act as if the end user spelled the name |
| * of the branch from the command line. |
| * |
| * - "@{-N}" finds the name of the Nth previous branch we were on, and |
| * places the name of the branch in the given buf and returns the |
| * number of characters parsed if successful. |
| * |
| * - "<branch>@{upstream}" finds the name of the other ref that |
| * <branch> is configured to merge with (missing <branch> defaults |
| * to the current branch), and places the name of the branch in the |
| * given buf and returns the number of characters parsed if |
| * successful. |
| * |
| * If the input is not of the accepted format, it returns a negative |
| * number to signal an error. |
| * |
| * If the input was ok but there are not N branch switches in the |
| * reflog, it returns 0. |
| */ |
| #define INTERPRET_BRANCH_LOCAL (1<<0) |
| #define INTERPRET_BRANCH_REMOTE (1<<1) |
| #define INTERPRET_BRANCH_HEAD (1<<2) |
| struct interpret_branch_name_options { |
| /* |
| * If "allowed" is non-zero, it is a treated as a bitfield of allowable |
| * expansions: local branches ("refs/heads/"), remote branches |
| * ("refs/remotes/"), or "HEAD". If no "allowed" bits are set, any expansion is |
| * allowed, even ones to refs outside of those namespaces. |
| */ |
| unsigned allowed; |
| |
| /* |
| * If ^{upstream} or ^{push} (or equivalent) is requested, and the |
| * branch in question does not have such a reference, return -1 instead |
| * of die()-ing. |
| */ |
| unsigned nonfatal_dangling_mark : 1; |
| }; |
| int repo_interpret_branch_name(struct repository *r, |
| const char *str, int len, |
| struct strbuf *buf, |
| const struct interpret_branch_name_options *options); |
| |
| struct object *repo_peel_to_type(struct repository *r, |
| const char *name, int namelen, |
| struct object *o, enum object_type); |
| |
| /* Convert to/from hex/sha1 representation */ |
| #define MINIMUM_ABBREV minimum_abbrev |
| #define DEFAULT_ABBREV default_abbrev |
| |
| /* used when the code does not know or care what the default abbrev is */ |
| #define FALLBACK_DEFAULT_ABBREV 7 |
| |
| #endif /* OBJECT_NAME_H */ |