]> git.ipfire.org Git - thirdparty/git.git/blobdiff - refs.c
i18n: add no-op _() and N_() wrappers
[thirdparty/git.git] / refs.c
diff --git a/refs.c b/refs.c
index d6307ae29c14d73654039bf8a92483302f4e3e15..e3c05110e58ca5684f9c43b1e1a5eb2587c96828 100644 (file)
--- a/refs.c
+++ b/refs.c
@@ -157,7 +157,7 @@ static struct cached_refs {
        char did_packed;
        struct ref_list *loose;
        struct ref_list *packed;
-} cached_refs;
+} cached_refs, submodule_refs;
 static struct ref_list *current_ref;
 
 static struct ref_list *extra_refs;
@@ -229,23 +229,45 @@ void clear_extra_refs(void)
        extra_refs = NULL;
 }
 
-static struct ref_list *get_packed_refs(void)
+static struct ref_list *get_packed_refs(const char *submodule)
 {
-       if (!cached_refs.did_packed) {
-               FILE *f = fopen(git_path("packed-refs"), "r");
-               cached_refs.packed = NULL;
+       const char *packed_refs_file;
+       struct cached_refs *refs;
+
+       if (submodule) {
+               packed_refs_file = git_path_submodule(submodule, "packed-refs");
+               refs = &submodule_refs;
+               free_ref_list(refs->packed);
+       } else {
+               packed_refs_file = git_path("packed-refs");
+               refs = &cached_refs;
+       }
+
+       if (!refs->did_packed || submodule) {
+               FILE *f = fopen(packed_refs_file, "r");
+               refs->packed = NULL;
                if (f) {
-                       read_packed_refs(f, &cached_refs);
+                       read_packed_refs(f, refs);
                        fclose(f);
                }
-               cached_refs.did_packed = 1;
+               refs->did_packed = 1;
        }
-       return cached_refs.packed;
+       return refs->packed;
 }
 
-static struct ref_list *get_ref_dir(const char *base, struct ref_list *list)
+static struct ref_list *get_ref_dir(const char *submodule, const char *base,
+                                   struct ref_list *list)
 {
-       DIR *dir = opendir(git_path("%s", base));
+       DIR *dir;
+       const char *path;
+
+       if (submodule)
+               path = git_path_submodule(submodule, "%s", base);
+       else
+               path = git_path("%s", base);
+
+
+       dir = opendir(path);
 
        if (dir) {
                struct dirent *de;
@@ -261,6 +283,7 @@ static struct ref_list *get_ref_dir(const char *base, struct ref_list *list)
                        struct stat st;
                        int flag;
                        int namelen;
+                       const char *refdir;
 
                        if (de->d_name[0] == '.')
                                continue;
@@ -270,16 +293,27 @@ static struct ref_list *get_ref_dir(const char *base, struct ref_list *list)
                        if (has_extension(de->d_name, ".lock"))
                                continue;
                        memcpy(ref + baselen, de->d_name, namelen+1);
-                       if (stat(git_path("%s", ref), &st) < 0)
+                       refdir = submodule
+                               ? git_path_submodule(submodule, "%s", ref)
+                               : git_path("%s", ref);
+                       if (stat(refdir, &st) < 0)
                                continue;
                        if (S_ISDIR(st.st_mode)) {
-                               list = get_ref_dir(ref, list);
+                               list = get_ref_dir(submodule, ref, list);
                                continue;
                        }
-                       if (!resolve_ref(ref, sha1, 1, &flag)) {
+                       if (submodule) {
                                hashclr(sha1);
-                               flag |= REF_BROKEN;
-                       }
+                               flag = 0;
+                               if (resolve_gitlink_ref(submodule, ref, sha1) < 0) {
+                                       hashclr(sha1);
+                                       flag |= REF_BROKEN;
+                               }
+                       } else
+                               if (!resolve_ref(ref, sha1, 1, &flag)) {
+                                       hashclr(sha1);
+                                       flag |= REF_BROKEN;
+                               }
                        list = add_ref(ref, sha1, flag, list, NULL);
                }
                free(ref);
@@ -314,14 +348,24 @@ static int warn_if_dangling_symref(const char *refname, const unsigned char *sha
 
 void warn_dangling_symref(FILE *fp, const char *msg_fmt, const char *refname)
 {
-       struct warn_if_dangling_data data = { fp, refname, msg_fmt };
+       struct warn_if_dangling_data data;
+
+       data.fp = fp;
+       data.refname = refname;
+       data.msg_fmt = msg_fmt;
        for_each_rawref(warn_if_dangling_symref, &data);
 }
 
-static struct ref_list *get_loose_refs(void)
+static struct ref_list *get_loose_refs(const char *submodule)
 {
+       if (submodule) {
+               free_ref_list(submodule_refs.loose);
+               submodule_refs.loose = get_ref_dir(submodule, "refs", NULL);
+               return submodule_refs.loose;
+       }
+
        if (!cached_refs.did_loose) {
-               cached_refs.loose = get_ref_dir("refs", NULL);
+               cached_refs.loose = get_ref_dir(NULL, "refs", NULL);
                cached_refs.did_loose = 1;
        }
        return cached_refs.loose;
@@ -455,7 +499,7 @@ const char *resolve_ref(const char *ref, unsigned char *sha1, int reading, int *
                git_snpath(path, sizeof(path), "%s", ref);
                /* Special case: non-existing file. */
                if (lstat(path, &st) < 0) {
-                       struct ref_list *list = get_packed_refs();
+                       struct ref_list *list = get_packed_refs(NULL);
                        while (list) {
                                if (!strcmp(ref, list->name)) {
                                        hashcpy(sha1, list->sha1);
@@ -584,7 +628,7 @@ int peel_ref(const char *ref, unsigned char *sha1)
                return -1;
 
        if ((flag & REF_ISPACKED)) {
-               struct ref_list *list = get_packed_refs();
+               struct ref_list *list = get_packed_refs(NULL);
 
                while (list) {
                        if (!strcmp(list->name, ref)) {
@@ -611,12 +655,12 @@ fallback:
        return -1;
 }
 
-static int do_for_each_ref(const char *base, each_ref_fn fn, int trim,
-                          int flags, void *cb_data)
+static int do_for_each_ref(const char *submodule, const char *base, each_ref_fn fn,
+                          int trim, int flags, void *cb_data)
 {
        int retval = 0;
-       struct ref_list *packed = get_packed_refs();
-       struct ref_list *loose = get_loose_refs();
+       struct ref_list *packed = get_packed_refs(submodule);
+       struct ref_list *loose = get_loose_refs(submodule);
 
        struct ref_list *extra;
 
@@ -653,24 +697,54 @@ end_each:
        return retval;
 }
 
-int head_ref(each_ref_fn fn, void *cb_data)
+
+static int do_head_ref(const char *submodule, each_ref_fn fn, void *cb_data)
 {
        unsigned char sha1[20];
        int flag;
 
+       if (submodule) {
+               if (resolve_gitlink_ref(submodule, "HEAD", sha1) == 0)
+                       return fn("HEAD", sha1, 0, cb_data);
+
+               return 0;
+       }
+
        if (resolve_ref("HEAD", sha1, 1, &flag))
                return fn("HEAD", sha1, flag, cb_data);
+
        return 0;
 }
 
+int head_ref(each_ref_fn fn, void *cb_data)
+{
+       return do_head_ref(NULL, fn, cb_data);
+}
+
+int head_ref_submodule(const char *submodule, each_ref_fn fn, void *cb_data)
+{
+       return do_head_ref(submodule, fn, cb_data);
+}
+
 int for_each_ref(each_ref_fn fn, void *cb_data)
 {
-       return do_for_each_ref("refs/", fn, 0, 0, cb_data);
+       return do_for_each_ref(NULL, "refs/", fn, 0, 0, cb_data);
+}
+
+int for_each_ref_submodule(const char *submodule, each_ref_fn fn, void *cb_data)
+{
+       return do_for_each_ref(submodule, "refs/", fn, 0, 0, cb_data);
 }
 
 int for_each_ref_in(const char *prefix, each_ref_fn fn, void *cb_data)
 {
-       return do_for_each_ref(prefix, fn, strlen(prefix), 0, cb_data);
+       return do_for_each_ref(NULL, prefix, fn, strlen(prefix), 0, cb_data);
+}
+
+int for_each_ref_in_submodule(const char *submodule, const char *prefix,
+               each_ref_fn fn, void *cb_data)
+{
+       return do_for_each_ref(submodule, prefix, fn, strlen(prefix), 0, cb_data);
 }
 
 int for_each_tag_ref(each_ref_fn fn, void *cb_data)
@@ -678,19 +752,34 @@ int for_each_tag_ref(each_ref_fn fn, void *cb_data)
        return for_each_ref_in("refs/tags/", fn, cb_data);
 }
 
+int for_each_tag_ref_submodule(const char *submodule, each_ref_fn fn, void *cb_data)
+{
+       return for_each_ref_in_submodule(submodule, "refs/tags/", fn, cb_data);
+}
+
 int for_each_branch_ref(each_ref_fn fn, void *cb_data)
 {
        return for_each_ref_in("refs/heads/", fn, cb_data);
 }
 
+int for_each_branch_ref_submodule(const char *submodule, each_ref_fn fn, void *cb_data)
+{
+       return for_each_ref_in_submodule(submodule, "refs/heads/", fn, cb_data);
+}
+
 int for_each_remote_ref(each_ref_fn fn, void *cb_data)
 {
        return for_each_ref_in("refs/remotes/", fn, cb_data);
 }
 
+int for_each_remote_ref_submodule(const char *submodule, each_ref_fn fn, void *cb_data)
+{
+       return for_each_ref_in_submodule(submodule, "refs/remotes/", fn, cb_data);
+}
+
 int for_each_replace_ref(each_ref_fn fn, void *cb_data)
 {
-       return do_for_each_ref("refs/replace/", fn, 13, 0, cb_data);
+       return do_for_each_ref(NULL, "refs/replace/", fn, 13, 0, cb_data);
 }
 
 int for_each_glob_ref_in(each_ref_fn fn, const char *pattern,
@@ -730,7 +819,7 @@ int for_each_glob_ref(each_ref_fn fn, const char *pattern, void *cb_data)
 
 int for_each_rawref(each_ref_fn fn, void *cb_data)
 {
-       return do_for_each_ref("refs/", fn, 0,
+       return do_for_each_ref(NULL, "refs/", fn, 0,
                               DO_FOR_EACH_INCLUDE_BROKEN, cb_data);
 }
 
@@ -954,7 +1043,7 @@ static struct ref_lock *lock_ref_sha1_basic(const char *ref, const unsigned char
         * name is a proper prefix of our refname.
         */
        if (missing &&
-            !is_refname_available(ref, NULL, get_packed_refs(), 0)) {
+            !is_refname_available(ref, NULL, get_packed_refs(NULL), 0)) {
                last_errno = ENOTDIR;
                goto error_return;
        }
@@ -1017,7 +1106,7 @@ static int repack_without_ref(const char *refname)
        int fd;
        int found = 0;
 
-       packed_ref_list = get_packed_refs();
+       packed_ref_list = get_packed_refs(NULL);
        for (list = packed_ref_list; list; list = list->next) {
                if (!strcmp(refname, list->name)) {
                        found = 1;
@@ -1115,10 +1204,10 @@ int rename_ref(const char *oldref, const char *newref, const char *logmsg)
        if (!symref)
                return error("refname %s not found", oldref);
 
-       if (!is_refname_available(newref, oldref, get_packed_refs(), 0))
+       if (!is_refname_available(newref, oldref, get_packed_refs(NULL), 0))
                return 1;
 
-       if (!is_refname_available(newref, oldref, get_loose_refs(), 0))
+       if (!is_refname_available(newref, oldref, get_loose_refs(NULL), 0))
                return 1;
 
        lock = lock_ref_sha1_basic(renamed_ref, NULL, 0, NULL);
@@ -1267,52 +1356,65 @@ static int copy_msg(char *buf, const char *msg)
        return cp - buf;
 }
 
-static int log_ref_write(const char *ref_name, const unsigned char *old_sha1,
-                        const unsigned char *new_sha1, const char *msg)
+int log_ref_setup(const char *ref_name, char *logfile, int bufsize)
 {
-       int logfd, written, oflags = O_APPEND | O_WRONLY;
-       unsigned maxlen, len;
-       int msglen;
-       char log_file[PATH_MAX];
-       char *logrec;
-       const char *committer;
-
-       if (log_all_ref_updates < 0)
-               log_all_ref_updates = !is_bare_repository();
-
-       git_snpath(log_file, sizeof(log_file), "logs/%s", ref_name);
+       int logfd, oflags = O_APPEND | O_WRONLY;
 
+       git_snpath(logfile, bufsize, "logs/%s", ref_name);
        if (log_all_ref_updates &&
            (!prefixcmp(ref_name, "refs/heads/") ||
             !prefixcmp(ref_name, "refs/remotes/") ||
             !prefixcmp(ref_name, "refs/notes/") ||
             !strcmp(ref_name, "HEAD"))) {
-               if (safe_create_leading_directories(log_file) < 0)
+               if (safe_create_leading_directories(logfile) < 0)
                        return error("unable to create directory for %s",
-                                    log_file);
+                                    logfile);
                oflags |= O_CREAT;
        }
 
-       logfd = open(log_file, oflags, 0666);
+       logfd = open(logfile, oflags, 0666);
        if (logfd < 0) {
                if (!(oflags & O_CREAT) && errno == ENOENT)
                        return 0;
 
                if ((oflags & O_CREAT) && errno == EISDIR) {
-                       if (remove_empty_directories(log_file)) {
+                       if (remove_empty_directories(logfile)) {
                                return error("There are still logs under '%s'",
-                                            log_file);
+                                            logfile);
                        }
-                       logfd = open(log_file, oflags, 0666);
+                       logfd = open(logfile, oflags, 0666);
                }
 
                if (logfd < 0)
                        return error("Unable to append to %s: %s",
-                                    log_file, strerror(errno));
+                                    logfile, strerror(errno));
        }
 
-       adjust_shared_perm(log_file);
+       adjust_shared_perm(logfile);
+       close(logfd);
+       return 0;
+}
+
+static int log_ref_write(const char *ref_name, const unsigned char *old_sha1,
+                        const unsigned char *new_sha1, const char *msg)
+{
+       int logfd, result, written, oflags = O_APPEND | O_WRONLY;
+       unsigned maxlen, len;
+       int msglen;
+       char log_file[PATH_MAX];
+       char *logrec;
+       const char *committer;
+
+       if (log_all_ref_updates < 0)
+               log_all_ref_updates = !is_bare_repository();
+
+       result = log_ref_setup(ref_name, log_file, sizeof(log_file));
+       if (result)
+               return result;
 
+       logfd = open(log_file, oflags);
+       if (logfd < 0)
+               return 0;
        msglen = msg ? strlen(msg) : 0;
        committer = git_committer_info(0);
        maxlen = strlen(committer) + msglen + 100;