add_sought_entry_mem: convert to struct object_id
[gitweb.git] / remote.c
index 26504b744786c65ea4d6e1e0abbf5c6409af5358..4beebadcc3257240cbd73285403be8c69ab9bc41 100644 (file)
--- a/remote.c
+++ b/remote.c
@@ -8,6 +8,7 @@
 #include "tag.h"
 #include "string-list.h"
 #include "mergesort.h"
+#include "argv-array.h"
 
 enum map_direction { FROM_SRC, FROM_DST };
 
@@ -54,9 +55,6 @@ static const char *pushremote_name;
 static struct rewrites rewrites;
 static struct rewrites rewrites_push;
 
-#define BUF_SIZE (2048)
-static char buffer[BUF_SIZE];
-
 static int valid_remote(const struct remote *remote)
 {
        return (!!remote->url) || (!!remote->foreign_vcs);
@@ -65,7 +63,6 @@ static int valid_remote(const struct remote *remote)
 static const char *alias_url(const char *url, struct rewrites *r)
 {
        int i, j;
-       char *ret;
        struct counted_string *longest;
        int longest_i;
 
@@ -86,11 +83,7 @@ static const char *alias_url(const char *url, struct rewrites *r)
        if (!longest)
                return url;
 
-       ret = xmalloc(r->rewrite[longest_i]->baselen +
-                    (strlen(url) - longest->len) + 1);
-       strcpy(ret, r->rewrite[longest_i]->base);
-       strcpy(ret + r->rewrite[longest_i]->baselen, url + longest->len);
-       return ret;
+       return xstrfmt("%s%s", r->rewrite[longest_i]->base, url + longest->len);
 }
 
 static void add_push_refspec(struct remote *remote, const char *ref)
@@ -248,106 +241,77 @@ static void add_instead_of(struct rewrite *rewrite, const char *instead_of)
        rewrite->instead_of_nr++;
 }
 
+static const char *skip_spaces(const char *s)
+{
+       while (isspace(*s))
+               s++;
+       return s;
+}
+
 static void read_remotes_file(struct remote *remote)
 {
+       struct strbuf buf = STRBUF_INIT;
        FILE *f = fopen(git_path("remotes/%s", remote->name), "r");
 
        if (!f)
                return;
        remote->origin = REMOTE_REMOTES;
-       while (fgets(buffer, BUF_SIZE, f)) {
-               int value_list;
-               char *s, *p;
-
-               if (starts_with(buffer, "URL:")) {
-                       value_list = 0;
-                       s = buffer + 4;
-               } else if (starts_with(buffer, "Push:")) {
-                       value_list = 1;
-                       s = buffer + 5;
-               } else if (starts_with(buffer, "Pull:")) {
-                       value_list = 2;
-                       s = buffer + 5;
-               } else
-                       continue;
-
-               while (isspace(*s))
-                       s++;
-               if (!*s)
-                       continue;
+       while (strbuf_getline(&buf, f, '\n') != EOF) {
+               const char *v;
 
-               p = s + strlen(s);
-               while (isspace(p[-1]))
-                       *--p = 0;
+               strbuf_rtrim(&buf);
 
-               switch (value_list) {
-               case 0:
-                       add_url_alias(remote, xstrdup(s));
-                       break;
-               case 1:
-                       add_push_refspec(remote, xstrdup(s));
-                       break;
-               case 2:
-                       add_fetch_refspec(remote, xstrdup(s));
-                       break;
-               }
+               if (skip_prefix(buf.buf, "URL:", &v))
+                       add_url_alias(remote, xstrdup(skip_spaces(v)));
+               else if (skip_prefix(buf.buf, "Push:", &v))
+                       add_push_refspec(remote, xstrdup(skip_spaces(v)));
+               else if (skip_prefix(buf.buf, "Pull:", &v))
+                       add_fetch_refspec(remote, xstrdup(skip_spaces(v)));
        }
+       strbuf_release(&buf);
        fclose(f);
 }
 
 static void read_branches_file(struct remote *remote)
 {
        char *frag;
-       struct strbuf branch = STRBUF_INIT;
-       int n = 1000;
-       FILE *f = fopen(git_path("branches/%.*s", n, remote->name), "r");
-       char *s, *p;
-       int len;
+       struct strbuf buf = STRBUF_INIT;
+       FILE *f = fopen(git_path("branches/%s", remote->name), "r");
 
        if (!f)
                return;
-       s = fgets(buffer, BUF_SIZE, f);
+
+       strbuf_getline(&buf, f, '\n');
        fclose(f);
-       if (!s)
-               return;
-       while (isspace(*s))
-               s++;
-       if (!*s)
+       strbuf_trim(&buf);
+       if (!buf.len) {
+               strbuf_release(&buf);
                return;
+       }
+
        remote->origin = REMOTE_BRANCHES;
-       p = s + strlen(s);
-       while (isspace(p[-1]))
-               *--p = 0;
-       len = p - s;
-       p = xmalloc(len + 1);
-       strcpy(p, s);
 
        /*
         * The branches file would have URL and optionally
         * #branch specified.  The "master" (or specified) branch is
-        * fetched and stored in the local branch of the same name.
+        * fetched and stored in the local branch matching the
+        * remote name.
         */
-       frag = strchr(p, '#');
-       if (frag) {
+       frag = strchr(buf.buf, '#');
+       if (frag)
                *(frag++) = '\0';
-               strbuf_addf(&branch, "refs/heads/%s", frag);
-       } else
-               strbuf_addstr(&branch, "refs/heads/master");
+       else
+               frag = "master";
+
+       add_url_alias(remote, strbuf_detach(&buf, NULL));
+       add_fetch_refspec(remote, xstrfmt("refs/heads/%s:refs/heads/%s",
+                                         frag, remote->name));
 
-       strbuf_addf(&branch, ":refs/heads/%s", remote->name);
-       add_url_alias(remote, p);
-       add_fetch_refspec(remote, strbuf_detach(&branch, NULL));
        /*
         * Cogito compatible push: push current HEAD to remote #branch
         * (master if missing)
         */
-       strbuf_init(&branch, 0);
-       strbuf_addstr(&branch, "HEAD");
-       if (frag)
-               strbuf_addf(&branch, ":refs/heads/%s", frag);
-       else
-               strbuf_addstr(&branch, ":refs/heads/master");
-       add_push_refspec(remote, strbuf_detach(&branch, NULL));
+       add_push_refspec(remote, xstrfmt("HEAD:refs/heads/%s", frag));
        remote->fetch_tags = 1; /* always auto-follow */
 }
 
@@ -1111,7 +1075,7 @@ static void tail_link_ref(struct ref *ref, struct ref ***tail)
 static struct ref *alloc_delete_ref(void)
 {
        struct ref *ref = alloc_ref("(delete)");
-       hashclr(ref->new_sha1);
+       oidclr(&ref->new_oid);
        return ref;
 }
 
@@ -1131,7 +1095,7 @@ static int try_explicit_object_name(const char *name,
 
        if (match) {
                *match = alloc_ref(name);
-               hashcpy((*match)->new_sha1, sha1);
+               hashcpy((*match)->new_oid.hash, sha1);
        }
        return 0;
 }
@@ -1226,7 +1190,7 @@ static int match_explicit(struct ref *src, struct ref *dst,
        case 0:
                if (starts_with(dst_value, "refs/"))
                        matched_dst = make_linked_ref(dst_value, dst_tail);
-               else if (is_null_sha1(matched_src->new_sha1))
+               else if (is_null_oid(&matched_src->new_oid))
                        error("unable to delete '%s': remote ref does not exist",
                              dst_value);
                else if ((dst_guess = guess_ref(dst_value, matched_src)))
@@ -1357,10 +1321,10 @@ static void add_missing_tags(struct ref *src, struct ref **dst, struct ref ***ds
        memset(&sent_tips, 0, sizeof(sent_tips));
        for (ref = *dst; ref; ref = ref->next) {
                if (ref->peer_ref &&
-                   !is_null_sha1(ref->peer_ref->new_sha1))
-                       add_to_tips(&sent_tips, ref->peer_ref->new_sha1);
+                   !is_null_oid(&ref->peer_ref->new_oid))
+                       add_to_tips(&sent_tips, ref->peer_ref->new_oid.hash);
                else
-                       add_to_tips(&sent_tips, ref->old_sha1);
+                       add_to_tips(&sent_tips, ref->old_oid.hash);
                if (starts_with(ref->name, "refs/tags/"))
                        string_list_append(&dst_tag, ref->name);
        }
@@ -1374,7 +1338,7 @@ static void add_missing_tags(struct ref *src, struct ref **dst, struct ref ***ds
                        continue; /* not a tag */
                if (string_list_has_string(&dst_tag, ref->name))
                        continue; /* they already have it */
-               if (sha1_object_info(ref->new_sha1, NULL) != OBJ_TAG)
+               if (sha1_object_info(ref->new_oid.hash, NULL) != OBJ_TAG)
                        continue; /* be conservative */
                item = string_list_append(&src_tag, ref->name);
                item->util = ref;
@@ -1394,9 +1358,9 @@ static void add_missing_tags(struct ref *src, struct ref **dst, struct ref ***ds
                        struct ref *dst_ref;
                        struct commit *commit;
 
-                       if (is_null_sha1(ref->new_sha1))
+                       if (is_null_oid(&ref->new_oid))
                                continue;
-                       commit = lookup_commit_reference_gently(ref->new_sha1, 1);
+                       commit = lookup_commit_reference_gently(ref->new_oid.hash, 1);
                        if (!commit)
                                /* not pushing a commit, which is not an error */
                                continue;
@@ -1410,7 +1374,7 @@ static void add_missing_tags(struct ref *src, struct ref **dst, struct ref ***ds
 
                        /* Add it in */
                        dst_ref = make_linked_ref(ref->name, dst_tail);
-                       hashcpy(dst_ref->new_sha1, ref->new_sha1);
+                       oidcpy(&dst_ref->new_oid, &ref->new_oid);
                        dst_ref->peer_ref = copy_ref(ref);
                }
        }
@@ -1517,7 +1481,7 @@ int match_push_refs(struct ref *src, struct ref **dst,
 
                        /* Create a new one and link it */
                        dst_peer = make_linked_ref(dst_name, &dst_tail);
-                       hashcpy(dst_peer->new_sha1, ref->new_sha1);
+                       oidcpy(&dst_peer->new_oid, &ref->new_oid);
                        string_list_insert(&dst_ref_index,
                                dst_peer->name)->util = dst_peer;
                }
@@ -1569,13 +1533,13 @@ void set_ref_status_for_push(struct ref *remote_refs, int send_mirror,
                int reject_reason = 0;
 
                if (ref->peer_ref)
-                       hashcpy(ref->new_sha1, ref->peer_ref->new_sha1);
+                       oidcpy(&ref->new_oid, &ref->peer_ref->new_oid);
                else if (!send_mirror)
                        continue;
 
-               ref->deletion = is_null_sha1(ref->new_sha1);
+               ref->deletion = is_null_oid(&ref->new_oid);
                if (!ref->deletion &&
-                       !hashcmp(ref->old_sha1, ref->new_sha1)) {
+                       !oidcmp(&ref->old_oid, &ref->new_oid)) {
                        ref->status = REF_STATUS_UPTODATE;
                        continue;
                }
@@ -1594,7 +1558,7 @@ void set_ref_status_for_push(struct ref *remote_refs, int send_mirror,
                 */
                if (ref->expect_old_sha1) {
                        if (ref->expect_old_no_trackback ||
-                           hashcmp(ref->old_sha1, ref->old_sha1_expect))
+                           oidcmp(&ref->old_oid, &ref->old_oid_expect))
                                reject_reason = REF_STATUS_REJECT_STALE;
                }
 
@@ -1618,15 +1582,15 @@ void set_ref_status_for_push(struct ref *remote_refs, int send_mirror,
                 *     passing the --force argument
                 */
 
-               else if (!ref->deletion && !is_null_sha1(ref->old_sha1)) {
+               else if (!ref->deletion && !is_null_oid(&ref->old_oid)) {
                        if (starts_with(ref->name, "refs/tags/"))
                                reject_reason = REF_STATUS_REJECT_ALREADY_EXISTS;
-                       else if (!has_sha1_file(ref->old_sha1))
+                       else if (!has_object_file(&ref->old_oid))
                                reject_reason = REF_STATUS_REJECT_FETCH_FIRST;
-                       else if (!lookup_commit_reference_gently(ref->old_sha1, 1) ||
-                                !lookup_commit_reference_gently(ref->new_sha1, 1))
+                       else if (!lookup_commit_reference_gently(ref->old_oid.hash, 1) ||
+                                !lookup_commit_reference_gently(ref->new_oid.hash, 1))
                                reject_reason = REF_STATUS_REJECT_NEEDS_FORCE;
-                       else if (!ref_newer(ref->new_sha1, ref->old_sha1))
+                       else if (!ref_newer(ref->new_oid.hash, ref->old_oid.hash))
                                reject_reason = REF_STATUS_REJECT_NONFASTFORWARD;
                }
 
@@ -1925,7 +1889,7 @@ int get_fetch_map(const struct ref *remote_refs,
 
                if (refspec->exact_sha1) {
                        ref_map = alloc_ref(name);
-                       get_sha1_hex(name, ref_map->old_sha1);
+                       get_oid_hex(name, &ref_map->old_oid);
                } else {
                        ref_map = get_remote_ref(remote_refs, name);
                }
@@ -1966,7 +1930,7 @@ int resolve_remote_symref(struct ref *ref, struct ref *list)
                return 0;
        for (; list; list = list->next)
                if (!strcmp(ref->symref, list->name)) {
-                       hashcpy(ref->old_sha1, list->old_sha1);
+                       oidcpy(&ref->old_oid, &list->old_oid);
                        return 0;
                }
        return 1;
@@ -1975,10 +1939,8 @@ int resolve_remote_symref(struct ref *ref, struct ref *list)
 static void unmark_and_free(struct commit_list *list, unsigned int mark)
 {
        while (list) {
-               struct commit_list *temp = list;
-               temp->item->object.flags &= ~mark;
-               list = temp->next;
-               free(temp);
+               struct commit *commit = pop_commit(&list);
+               commit->object.flags &= ~mark;
        }
 }
 
@@ -2035,10 +1997,9 @@ int stat_tracking_info(struct branch *branch, int *num_ours, int *num_theirs,
 {
        unsigned char sha1[20];
        struct commit *ours, *theirs;
-       char symmetric[84];
        struct rev_info revs;
-       const char *rev_argv[10], *base;
-       int rev_argc;
+       const char *base;
+       struct argv_array argv = ARGV_ARRAY_INIT;
 
        /* Cannot stat unless we are marked to build on top of somebody else. */
        base = branch_get_upstream(branch, NULL);
@@ -2067,19 +2028,15 @@ int stat_tracking_info(struct branch *branch, int *num_ours, int *num_theirs,
        }
 
        /* Run "rev-list --left-right ours...theirs" internally... */
-       rev_argc = 0;
-       rev_argv[rev_argc++] = NULL;
-       rev_argv[rev_argc++] = "--left-right";
-       rev_argv[rev_argc++] = symmetric;
-       rev_argv[rev_argc++] = "--";
-       rev_argv[rev_argc] = NULL;
-
-       strcpy(symmetric, sha1_to_hex(ours->object.sha1));
-       strcpy(symmetric + 40, "...");
-       strcpy(symmetric + 43, sha1_to_hex(theirs->object.sha1));
+       argv_array_push(&argv, ""); /* ignored */
+       argv_array_push(&argv, "--left-right");
+       argv_array_pushf(&argv, "%s...%s",
+                        sha1_to_hex(ours->object.sha1),
+                        sha1_to_hex(theirs->object.sha1));
+       argv_array_push(&argv, "--");
 
        init_revisions(&revs, NULL);
-       setup_revisions(rev_argc, rev_argv, &revs, NULL);
+       setup_revisions(argv.argc, argv.argv, &revs, NULL);
        if (prepare_revision_walk(&revs))
                die("revision walk setup failed");
 
@@ -2099,6 +2056,8 @@ int stat_tracking_info(struct branch *branch, int *num_ours, int *num_theirs,
        /* clear object flags smudged by the above traversal */
        clear_commit_marks(ours, ALL_REV_FLAGS);
        clear_commit_marks(theirs, ALL_REV_FLAGS);
+
+       argv_array_clear(&argv);
        return 0;
 }
 
@@ -2181,7 +2140,7 @@ static int one_local_ref(const char *refname, const struct object_id *oid,
 
        len = strlen(refname) + 1;
        ref = xcalloc(1, sizeof(*ref) + len);
-       hashcpy(ref->new_sha1, oid->hash);
+       oidcpy(&ref->new_oid, oid);
        memcpy(ref->name, refname, len);
        **local_tail = ref;
        *local_tail = &ref->next;
@@ -2218,7 +2177,7 @@ struct ref *guess_remote_head(const struct ref *head,
        /* If refs/heads/master could be right, it is. */
        if (!all) {
                r = find_ref_by_name(refs, "refs/heads/master");
-               if (r && !hashcmp(r->old_sha1, head->old_sha1))
+               if (r && !oidcmp(&r->old_oid, &head->old_oid))
                        return copy_ref(r);
        }
 
@@ -2226,7 +2185,7 @@ struct ref *guess_remote_head(const struct ref *head,
        for (r = refs; r; r = r->next) {
                if (r != head &&
                    starts_with(r->name, "refs/heads/") &&
-                   !hashcmp(r->old_sha1, head->old_sha1)) {
+                   !oidcmp(&r->old_oid, &head->old_oid)) {
                        *tail = copy_ref(r);
                        tail = &((*tail)->next);
                        if (!all)
@@ -2274,7 +2233,7 @@ static int get_stale_heads_cb(const char *refname, const struct object_id *oid,
 
        if (stale) {
                struct ref *ref = make_linked_ref(refname, &info->stale_refs_tail);
-               hashcpy(ref->new_sha1, oid->hash);
+               oidcpy(&ref->new_oid, oid);
        }
 
 clean_exit:
@@ -2394,8 +2353,8 @@ static void apply_cas(struct push_cas_option *cas,
                        continue;
                ref->expect_old_sha1 = 1;
                if (!entry->use_tracking)
-                       hashcpy(ref->old_sha1_expect, cas->entry[i].expect);
-               else if (remote_tracking(remote, ref->name, ref->old_sha1_expect))
+                       hashcpy(ref->old_oid_expect.hash, cas->entry[i].expect);
+               else if (remote_tracking(remote, ref->name, ref->old_oid_expect.hash))
                        ref->expect_old_no_trackback = 1;
                return;
        }
@@ -2405,7 +2364,7 @@ static void apply_cas(struct push_cas_option *cas,
                return;
 
        ref->expect_old_sha1 = 1;
-       if (remote_tracking(remote, ref->name, ref->old_sha1_expect))
+       if (remote_tracking(remote, ref->name, ref->old_oid_expect.hash))
                ref->expect_old_no_trackback = 1;
 }