diff options
Diffstat (limited to 'refs.c')
| -rw-r--r-- | refs.c | 89 |
1 files changed, 70 insertions, 19 deletions
@@ -275,10 +275,8 @@ static struct ref_list *get_ref_dir(const char *base, struct ref_list *list) list = get_ref_dir(ref, list); continue; } - if (!resolve_ref(ref, sha1, 1, &flag)) { - error("%s points nowhere!", ref); - continue; - } + if (!resolve_ref(ref, sha1, 1, &flag)) + hashclr(sha1); list = add_ref(ref, sha1, flag, list, NULL); } free(ref); @@ -287,6 +285,35 @@ static struct ref_list *get_ref_dir(const char *base, struct ref_list *list) return sort_ref_list(list); } +struct warn_if_dangling_data { + const char *refname; + const char *msg_fmt; +}; + +static int warn_if_dangling_symref(const char *refname, const unsigned char *sha1, + int flags, void *cb_data) +{ + struct warn_if_dangling_data *d = cb_data; + const char *resolves_to; + unsigned char junk[20]; + + if (!(flags & REF_ISSYMREF)) + return 0; + + resolves_to = resolve_ref(refname, junk, 0, NULL); + if (!resolves_to || strcmp(resolves_to, d->refname)) + return 0; + + printf(d->msg_fmt, refname); + return 0; +} + +void warn_dangling_symref(const char *msg_fmt, const char *refname) +{ + struct warn_if_dangling_data data = { refname, msg_fmt }; + for_each_rawref(warn_if_dangling_symref, &data); +} + static struct ref_list *get_loose_refs(void) { if (!cached_refs.did_loose) { @@ -498,16 +525,19 @@ int read_ref(const char *ref, unsigned char *sha1) return -1; } +#define DO_FOR_EACH_INCLUDE_BROKEN 01 static int do_one_ref(const char *base, each_ref_fn fn, int trim, - void *cb_data, struct ref_list *entry) + int flags, void *cb_data, struct ref_list *entry) { if (strncmp(base, entry->name, trim)) return 0; - if (is_null_sha1(entry->sha1)) - return 0; - if (!has_sha1_file(entry->sha1)) { - error("%s does not point to a valid object!", entry->name); - return 0; + if (!(flags & DO_FOR_EACH_INCLUDE_BROKEN)) { + if (is_null_sha1(entry->sha1)) + return 0; + if (!has_sha1_file(entry->sha1)) { + error("%s does not point to a valid object!", entry->name); + return 0; + } } current_ref = entry; return fn(entry->name + trim, entry->sha1, entry->flag, cb_data); @@ -561,7 +591,7 @@ fallback: } static int do_for_each_ref(const char *base, each_ref_fn fn, int trim, - void *cb_data) + int flags, void *cb_data) { int retval = 0; struct ref_list *packed = get_packed_refs(); @@ -570,7 +600,7 @@ static int do_for_each_ref(const char *base, each_ref_fn fn, int trim, struct ref_list *extra; for (extra = extra_refs; extra; extra = extra->next) - retval = do_one_ref(base, fn, trim, cb_data, extra); + retval = do_one_ref(base, fn, trim, flags, cb_data, extra); while (packed && loose) { struct ref_list *entry; @@ -586,13 +616,13 @@ static int do_for_each_ref(const char *base, each_ref_fn fn, int trim, entry = packed; packed = packed->next; } - retval = do_one_ref(base, fn, trim, cb_data, entry); + retval = do_one_ref(base, fn, trim, flags, cb_data, entry); if (retval) goto end_each; } for (packed = packed ? packed : loose; packed; packed = packed->next) { - retval = do_one_ref(base, fn, trim, cb_data, packed); + retval = do_one_ref(base, fn, trim, flags, cb_data, packed); if (retval) goto end_each; } @@ -614,22 +644,28 @@ int head_ref(each_ref_fn fn, void *cb_data) int for_each_ref(each_ref_fn fn, void *cb_data) { - return do_for_each_ref("refs/", fn, 0, cb_data); + return do_for_each_ref("refs/", fn, 0, 0, cb_data); } int for_each_tag_ref(each_ref_fn fn, void *cb_data) { - return do_for_each_ref("refs/tags/", fn, 10, cb_data); + return do_for_each_ref("refs/tags/", fn, 10, 0, cb_data); } int for_each_branch_ref(each_ref_fn fn, void *cb_data) { - return do_for_each_ref("refs/heads/", fn, 11, cb_data); + return do_for_each_ref("refs/heads/", fn, 11, 0, cb_data); } int for_each_remote_ref(each_ref_fn fn, void *cb_data) { - return do_for_each_ref("refs/remotes/", fn, 13, cb_data); + return do_for_each_ref("refs/remotes/", fn, 13, 0, cb_data); +} + +int for_each_rawref(each_ref_fn fn, void *cb_data) +{ + return do_for_each_ref("refs/", fn, 0, + DO_FOR_EACH_INCLUDE_BROKEN, cb_data); } /* @@ -1453,7 +1489,7 @@ int read_ref_at(const char *ref, unsigned long at_time, int cnt, unsigned char * return 1; } -int for_each_reflog_ent(const char *ref, each_reflog_ent_fn fn, void *cb_data) +int for_each_recent_reflog_ent(const char *ref, each_reflog_ent_fn fn, long ofs, void *cb_data) { const char *logfile; FILE *logfp; @@ -1464,6 +1500,16 @@ int for_each_reflog_ent(const char *ref, each_reflog_ent_fn fn, void *cb_data) logfp = fopen(logfile, "r"); if (!logfp) return -1; + + if (ofs) { + struct stat statbuf; + if (fstat(fileno(logfp), &statbuf) || + statbuf.st_size < ofs || + fseek(logfp, -ofs, SEEK_END) || + fgets(buf, sizeof(buf), logfp)) + return -1; + } + while (fgets(buf, sizeof(buf), logfp)) { unsigned char osha1[20], nsha1[20]; char *email_end, *message; @@ -1497,6 +1543,11 @@ int for_each_reflog_ent(const char *ref, each_reflog_ent_fn fn, void *cb_data) return ret; } +int for_each_reflog_ent(const char *ref, each_reflog_ent_fn fn, void *cb_data) +{ + return for_each_recent_reflog_ent(ref, fn, 0, cb_data); +} + static int do_for_each_reflog(const char *base, each_ref_fn fn, void *cb_data) { DIR *dir = opendir(git_path("logs/%s", base)); |