git-svn: make it play nicely with submodules
[gitweb.git] / builtin / remote.c
index 937484d7c77c448995481f246c1afe2dedd4c561..b4ff4689770e402675faba2ce400150b4803a360 100644 (file)
@@ -6,13 +6,14 @@
 #include "strbuf.h"
 #include "run-command.h"
 #include "refs.h"
+#include "argv-array.h"
 
 static const char * const builtin_remote_usage[] = {
        N_("git remote [-v | --verbose]"),
        N_("git remote add [-t <branch>] [-m <master>] [-f] [--tags|--no-tags] [--mirror=<fetch|push>] <name> <url>"),
        N_("git remote rename <old> <new>"),
        N_("git remote remove <name>"),
-       N_("git remote set-head <name> (-a | -d | <branch>)"),
+       N_("git remote set-head <name> (-a | --auto | -d | --delete |<branch>)"),
        N_("git remote [-v | --verbose] show [-n] <name>"),
        N_("git remote prune [-n | --dry-run] <name>"),
        N_("git remote [-v | --verbose] update [-p | --prune] [(<group> | <remote>)...]"),
@@ -39,7 +40,7 @@ static const char * const builtin_remote_rm_usage[] = {
 };
 
 static const char * const builtin_remote_sethead_usage[] = {
-       N_("git remote set-head <name> (-a | -d | <branch>)"),
+       N_("git remote set-head <name> (-a | --auto | -d | --delete | <branch>)"),
        NULL
 };
 
@@ -77,17 +78,6 @@ static const char * const builtin_remote_seturl_usage[] = {
 
 static int verbose;
 
-static int show_all(void);
-static int prune_remote(const char *remote, int dry_run);
-
-static inline int postfixcmp(const char *string, const char *postfix)
-{
-       int len1 = strlen(string), len2 = strlen(postfix);
-       if (len1 < len2)
-               return 1;
-       return strcmp(string + len1 - len2, postfix);
-}
-
 static int fetch_remote(const char *name)
 {
        const char *argv[] = { "fetch", name, NULL, NULL };
@@ -160,7 +150,7 @@ static int add(int argc, const char **argv)
        int i;
 
        struct option options[] = {
-               OPT_BOOLEAN('f', "fetch", &fetch, N_("fetch the remote branches")),
+               OPT_BOOL('f', "fetch", &fetch, N_("fetch the remote branches")),
                OPT_SET_INT(0, "tags", &fetch_tags,
                            N_("import all tags and associated objects when fetching"),
                            TAGS_SET),
@@ -178,7 +168,7 @@ static int add(int argc, const char **argv)
        argc = parse_options(argc, argv, NULL, options, builtin_remote_add_usage,
                             0);
 
-       if (argc < 2)
+       if (argc != 2)
                usage_with_options(builtin_remote_add_usage, options);
 
        if (mirror && master)
@@ -190,7 +180,9 @@ static int add(int argc, const char **argv)
        url = argv[1];
 
        remote = remote_get(name);
-       if (remote && (remote->url_nr > 1 || strcmp(name, remote->url[0]) ||
+       if (remote && (remote->url_nr > 1 ||
+                       (strcmp(name, remote->url[0]) &&
+                               strcmp(url, remote->url[0])) ||
                        remote->fetch_refspec_nr))
                die(_("remote %s already exists."), name);
 
@@ -260,31 +252,30 @@ static struct string_list branch_list;
 
 static const char *abbrev_ref(const char *name, const char *prefix)
 {
-       const char *abbrev = skip_prefix(name, prefix);
-       if (abbrev)
-               return abbrev;
+       skip_prefix(name, prefix, &name);
        return name;
 }
 #define abbrev_branch(name) abbrev_ref((name), "refs/heads/")
 
 static int config_read_branches(const char *key, const char *value, void *cb)
 {
-       if (!prefixcmp(key, "branch.")) {
+       if (starts_with(key, "branch.")) {
                const char *orig_key = key;
                char *name;
                struct string_list_item *item;
                struct branch_info *info;
                enum { REMOTE, MERGE, REBASE } type;
+               size_t key_len;
 
                key += 7;
-               if (!postfixcmp(key, ".remote")) {
-                       name = xstrndup(key, strlen(key) - 7);
+               if (strip_suffix(key, ".remote", &key_len)) {
+                       name = xmemdupz(key, key_len);
                        type = REMOTE;
-               } else if (!postfixcmp(key, ".merge")) {
-                       name = xstrndup(key, strlen(key) - 6);
+               } else if (strip_suffix(key, ".merge", &key_len)) {
+                       name = xmemdupz(key, key_len);
                        type = MERGE;
-               } else if (!postfixcmp(key, ".rebase")) {
-                       name = xstrndup(key, strlen(key) - 7);
+               } else if (strip_suffix(key, ".rebase", &key_len)) {
+                       name = xmemdupz(key, key_len);
                        type = REBASE;
                } else
                        return 0;
@@ -292,7 +283,7 @@ static int config_read_branches(const char *key, const char *value, void *cb)
                item = string_list_insert(&branch_list, name);
 
                if (!item->util)
-                       item->util = xcalloc(sizeof(struct branch_info), 1);
+                       item->util = xcalloc(1, sizeof(struct branch_info));
                info = item->util;
                if (type == REMOTE) {
                        if (info->remote_name)
@@ -309,8 +300,13 @@ static int config_read_branches(const char *key, const char *value, void *cb)
                                space = strchr(value, ' ');
                        }
                        string_list_append(&info->merge, xstrdup(value));
-               } else
-                       info->rebase = git_config_bool(orig_key, value);
+               } else {
+                       int v = git_config_maybe_bool(orig_key, value);
+                       if (v >= 0)
+                               info->rebase = v;
+                       else if (!strcmp(value, "preserve"))
+                               info->rebase = 1;
+               }
        }
        return 0;
 }
@@ -358,9 +354,9 @@ static int get_ref_states(const struct ref *remote_refs, struct ref_states *stat
        free_refs(stale_refs);
        free_refs(fetch_map);
 
-       sort_string_list(&states->new);
-       sort_string_list(&states->tracked);
-       sort_string_list(&states->stale);
+       string_list_sort(&states->new);
+       string_list_sort(&states->tracked);
+       string_list_sort(&states->stale);
 
        return 0;
 }
@@ -403,7 +399,7 @@ static int get_push_ref_states(const struct ref *remote_refs,
 
                item = string_list_append(&states->push,
                                          abbrev_branch(ref->peer_ref->name));
-               item->util = xcalloc(sizeof(struct push_info), 1);
+               item->util = xcalloc(1, sizeof(struct push_info));
                info = item->util;
                info->forced = ref->force;
                info->dest = xstrdup(abbrev_branch(ref->name));
@@ -438,7 +434,7 @@ static int get_push_ref_states_noquery(struct ref_states *states)
        states->push.strdup_strings = 1;
        if (!remote->push_refspec_nr) {
                item = string_list_append(&states->push, _("(matching)"));
-               info = item->util = xcalloc(sizeof(struct push_info), 1);
+               info = item->util = xcalloc(1, sizeof(struct push_info));
                info->status = PUSH_STATUS_NOTQUERIED;
                info->dest = xstrdup(item->string);
        }
@@ -451,7 +447,7 @@ static int get_push_ref_states_noquery(struct ref_states *states)
                else
                        item = string_list_append(&states->push, _("(delete)"));
 
-               info = item->util = xcalloc(sizeof(struct push_info), 1);
+               info = item->util = xcalloc(1, sizeof(struct push_info));
                info->forced = spec->force;
                info->status = PUSH_STATUS_NOTQUERIED;
                info->dest = xstrdup(spec->dst ? spec->dst : item->string);
@@ -534,9 +530,9 @@ static int add_branch_for_removal(const char *refname,
        }
 
        /* don't delete non-remote-tracking refs */
-       if (prefixcmp(refname, "refs/remotes/")) {
+       if (!starts_with(refname, "refs/remotes/")) {
                /* advise user how to delete local branches */
-               if (!prefixcmp(refname, "refs/heads/"))
+               if (starts_with(refname, "refs/heads/"))
                        string_list_append(branches->skipped,
                                           abbrev_branch(refname));
                /* silently skip over other non-remote refs */
@@ -571,9 +567,10 @@ static int read_remote_branches(const char *refname,
        const char *symref;
 
        strbuf_addf(&buf, "refs/remotes/%s/", rename->old);
-       if (!prefixcmp(refname, buf.buf)) {
+       if (starts_with(refname, buf.buf)) {
                item = string_list_append(rename->remote_branches, xstrdup(refname));
-               symref = resolve_ref_unsafe(refname, orig_sha1, 1, &flag);
+               symref = resolve_ref_unsafe(refname, RESOLVE_REF_READING,
+                                           orig_sha1, &flag);
                if (flag & REF_ISSYMREF)
                        item->util = xstrdup(symref);
                else
@@ -709,7 +706,7 @@ static int mv(int argc, const char **argv)
                int flag = 0;
                unsigned char sha1[20];
 
-               read_ref_full(item->string, sha1, 1, &flag);
+               read_ref_full(item->string, RESOLVE_REF_READING, sha1, &flag);
                if (!(flag & REF_ISSYMREF))
                        continue;
                if (delete_ref(item->string, NULL, REF_NODEREF))
@@ -754,15 +751,21 @@ static int mv(int argc, const char **argv)
 
 static int remove_branches(struct string_list *branches)
 {
+       struct strbuf err = STRBUF_INIT;
        int i, result = 0;
+
+       if (repack_without_refs(branches, &err))
+               result |= error("%s", err.buf);
+       strbuf_release(&err);
+
        for (i = 0; i < branches->nr; i++) {
                struct string_list_item *item = branches->items + i;
                const char *refname = item->string;
-               unsigned char *sha1 = item->util;
 
-               if (delete_ref(refname, sha1, 0))
+               if (delete_ref(refname, NULL, 0))
                        result |= error(_("Could not remove branch %s"), refname);
        }
+
        return result;
 }
 
@@ -794,10 +797,6 @@ static int rm(int argc, const char **argv)
        known_remotes.to_delete = remote;
        for_each_remote(add_known_remote, &known_remotes);
 
-       strbuf_addf(&buf, "remote.%s", remote->name);
-       if (git_config_rename_section(buf.buf, NULL) < 1)
-               return error(_("Could not remove config section '%s'"), buf.buf);
-
        read_branches();
        for (i = 0; i < branch_list.nr; i++) {
                struct string_list_item *item = branch_list.items + i;
@@ -842,6 +841,12 @@ static int rm(int argc, const char **argv)
        }
        string_list_clear(&skipped, 0);
 
+       if (!result) {
+               strbuf_addf(&buf, "remote.%s", remote->name);
+               if (git_config_rename_section(buf.buf, NULL) < 1)
+                       return error(_("Could not remove config section '%s'"), buf.buf);
+       }
+
        return result;
 }
 
@@ -906,7 +911,7 @@ static int get_remote_ref_states(const char *name,
                        get_push_ref_states(remote_refs, states);
        } else {
                for_each_ref(append_ref_to_tracked_list, states);
-               sort_string_list(&states->tracked);
+               string_list_sort(&states->tracked);
                get_push_ref_states_noquery(states);
        }
 
@@ -1084,11 +1089,69 @@ static int show_push_info_item(struct string_list_item *item, void *cb_data)
        return 0;
 }
 
+static int get_one_entry(struct remote *remote, void *priv)
+{
+       struct string_list *list = priv;
+       struct strbuf url_buf = STRBUF_INIT;
+       const char **url;
+       int i, url_nr;
+
+       if (remote->url_nr > 0) {
+               strbuf_addf(&url_buf, "%s (fetch)", remote->url[0]);
+               string_list_append(list, remote->name)->util =
+                               strbuf_detach(&url_buf, NULL);
+       } else
+               string_list_append(list, remote->name)->util = NULL;
+       if (remote->pushurl_nr) {
+               url = remote->pushurl;
+               url_nr = remote->pushurl_nr;
+       } else {
+               url = remote->url;
+               url_nr = remote->url_nr;
+       }
+       for (i = 0; i < url_nr; i++)
+       {
+               strbuf_addf(&url_buf, "%s (push)", url[i]);
+               string_list_append(list, remote->name)->util =
+                               strbuf_detach(&url_buf, NULL);
+       }
+
+       return 0;
+}
+
+static int show_all(void)
+{
+       struct string_list list = STRING_LIST_INIT_NODUP;
+       int result;
+
+       list.strdup_strings = 1;
+       result = for_each_remote(get_one_entry, &list);
+
+       if (!result) {
+               int i;
+
+               string_list_sort(&list);
+               for (i = 0; i < list.nr; i++) {
+                       struct string_list_item *item = list.items + i;
+                       if (verbose)
+                               printf("%s\t%s\n", item->string,
+                                       item->util ? (const char *)item->util : "");
+                       else {
+                               if (i && !strcmp((item - 1)->string, item->string))
+                                       continue;
+                               printf("%s\n", item->string);
+                       }
+               }
+       }
+       string_list_clear(&list, 1);
+       return result;
+}
+
 static int show(int argc, const char **argv)
 {
        int no_query = 0, result = 0, query_flag = 0;
        struct option options[] = {
-               OPT_BOOLEAN('n', NULL, &no_query, N_("do not query remotes")),
+               OPT_BOOL('n', NULL, &no_query, N_("do not query remotes")),
                OPT_END()
        };
        struct ref_states states;
@@ -1195,10 +1258,10 @@ static int set_head(int argc, const char **argv)
        char *head_name = NULL;
 
        struct option options[] = {
-               OPT_BOOLEAN('a', "auto", &opt_a,
-                           N_("set refs/remotes/<name>/HEAD according to remote")),
-               OPT_BOOLEAN('d', "delete", &opt_d,
-                           N_("delete refs/remotes/<name>/HEAD")),
+               OPT_BOOL('a', "auto", &opt_a,
+                        N_("set refs/remotes/<name>/HEAD according to remote")),
+               OPT_BOOL('d', "delete", &opt_d,
+                        N_("delete refs/remotes/<name>/HEAD")),
                OPT_END()
        };
        argc = parse_options(argc, argv, NULL, options, builtin_remote_sethead_usage,
@@ -1246,30 +1309,12 @@ static int set_head(int argc, const char **argv)
        return result;
 }
 
-static int prune(int argc, const char **argv)
-{
-       int dry_run = 0, result = 0;
-       struct option options[] = {
-               OPT__DRY_RUN(&dry_run, N_("dry run")),
-               OPT_END()
-       };
-
-       argc = parse_options(argc, argv, NULL, options, builtin_remote_prune_usage,
-                            0);
-
-       if (argc < 1)
-               usage_with_options(builtin_remote_prune_usage, options);
-
-       for (; argc; argc--, argv++)
-               result |= prune_remote(*argv, dry_run);
-
-       return result;
-}
-
 static int prune_remote(const char *remote, int dry_run)
 {
-       int result = 0, i;
+       int result = 0;
        struct ref_states states;
+       struct string_list refs_to_prune = STRING_LIST_INIT_NODUP;
+       struct string_list_item *item;
        const char *dangling_msg = dry_run
                ? _(" %s will become dangling!")
                : _(" %s has become dangling!");
@@ -1277,16 +1322,30 @@ static int prune_remote(const char *remote, int dry_run)
        memset(&states, 0, sizeof(states));
        get_remote_ref_states(remote, &states, GET_REF_STATES);
 
-       if (states.stale.nr) {
-               printf_ln(_("Pruning %s"), remote);
-               printf_ln(_("URL: %s"),
-                      states.remote->url_nr
-                      ? states.remote->url[0]
-                      : _("(no URL)"));
+       if (!states.stale.nr) {
+               free_remote_ref_states(&states);
+               return 0;
+       }
+
+       printf_ln(_("Pruning %s"), remote);
+       printf_ln(_("URL: %s"),
+                 states.remote->url_nr
+                 ? states.remote->url[0]
+                 : _("(no URL)"));
+
+       for_each_string_list_item(item, &states.stale)
+               string_list_append(&refs_to_prune, item->util);
+       string_list_sort(&refs_to_prune);
+
+       if (!dry_run) {
+               struct strbuf err = STRBUF_INIT;
+               if (repack_without_refs(&refs_to_prune, &err))
+                       result |= error("%s", err.buf);
+               strbuf_release(&err);
        }
 
-       for (i = 0; i < states.stale.nr; i++) {
-               const char *refname = states.stale.items[i].util;
+       for_each_string_list_item(item, &states.stale) {
+               const char *refname = item->util;
 
                if (!dry_run)
                        result |= delete_ref(refname, NULL, 0);
@@ -1297,13 +1356,35 @@ static int prune_remote(const char *remote, int dry_run)
                else
                        printf_ln(_(" * [pruned] %s"),
                               abbrev_ref(refname, "refs/remotes/"));
-               warn_dangling_symref(stdout, dangling_msg, refname);
        }
 
+       warn_dangling_symrefs(stdout, dangling_msg, &refs_to_prune);
+
+       string_list_clear(&refs_to_prune, 0);
        free_remote_ref_states(&states);
        return result;
 }
 
+static int prune(int argc, const char **argv)
+{
+       int dry_run = 0, result = 0;
+       struct option options[] = {
+               OPT__DRY_RUN(&dry_run, N_("dry run")),
+               OPT_END()
+       };
+
+       argc = parse_options(argc, argv, NULL, options, builtin_remote_prune_usage,
+                            0);
+
+       if (argc < 1)
+               usage_with_options(builtin_remote_prune_usage, options);
+
+       for (; argc; argc--, argv++)
+               result |= prune_remote(*argv, dry_run);
+
+       return result;
+}
+
 static int get_remote_default(const char *key, const char *value, void *priv)
 {
        if (strcmp(key, "remotes.default") == 0) {
@@ -1315,42 +1396,42 @@ static int get_remote_default(const char *key, const char *value, void *priv)
 
 static int update(int argc, const char **argv)
 {
-       int i, prune = 0;
+       int i, prune = -1;
        struct option options[] = {
-               OPT_BOOLEAN('p', "prune", &prune,
-                           N_("prune remotes after fetching")),
+               OPT_BOOL('p', "prune", &prune,
+                        N_("prune remotes after fetching")),
                OPT_END()
        };
-       const char **fetch_argv;
-       int fetch_argc = 0;
+       struct argv_array fetch_argv = ARGV_ARRAY_INIT;
        int default_defined = 0;
-
-       fetch_argv = xmalloc(sizeof(char *) * (argc+5));
+       int retval;
 
        argc = parse_options(argc, argv, NULL, options, builtin_remote_update_usage,
                             PARSE_OPT_KEEP_ARGV0);
 
-       fetch_argv[fetch_argc++] = "fetch";
+       argv_array_push(&fetch_argv, "fetch");
 
-       if (prune)
-               fetch_argv[fetch_argc++] = "--prune";
+       if (prune != -1)
+               argv_array_push(&fetch_argv, prune ? "--prune" : "--no-prune");
        if (verbose)
-               fetch_argv[fetch_argc++] = "-v";
-       fetch_argv[fetch_argc++] = "--multiple";
+               argv_array_push(&fetch_argv, "-v");
+       argv_array_push(&fetch_argv, "--multiple");
        if (argc < 2)
-               fetch_argv[fetch_argc++] = "default";
+               argv_array_push(&fetch_argv, "default");
        for (i = 1; i < argc; i++)
-               fetch_argv[fetch_argc++] = argv[i];
+               argv_array_push(&fetch_argv, argv[i]);
 
-       if (strcmp(fetch_argv[fetch_argc-1], "default") == 0) {
+       if (strcmp(fetch_argv.argv[fetch_argv.argc-1], "default") == 0) {
                git_config(get_remote_default, &default_defined);
-               if (!default_defined)
-                       fetch_argv[fetch_argc-1] = "--all";
+               if (!default_defined) {
+                       argv_array_pop(&fetch_argv);
+                       argv_array_push(&fetch_argv, "--all");
+               }
        }
 
-       fetch_argv[fetch_argc] = NULL;
-
-       return run_command_v_opt(fetch_argv, RUN_GIT_CMD);
+       retval = run_command_v_opt(fetch_argv.argv, RUN_GIT_CMD);
+       argv_array_clear(&fetch_argv);
+       return retval;
 }
 
 static int remove_all_fetch_refspecs(const char *remote, const char *key)
@@ -1404,7 +1485,7 @@ static int set_branches(int argc, const char **argv)
 {
        int add_mode = 0;
        struct option options[] = {
-               OPT_BOOLEAN('\0', "add", &add_mode, N_("add branch")),
+               OPT_BOOL('\0', "add", &add_mode, N_("add branch")),
                OPT_END()
        };
 
@@ -1432,11 +1513,11 @@ static int set_url(int argc, const char **argv)
        int urlset_nr;
        struct strbuf name_buf = STRBUF_INIT;
        struct option options[] = {
-               OPT_BOOLEAN('\0', "push", &push_mode,
-                           N_("manipulate push URLs")),
-               OPT_BOOLEAN('\0', "add", &add_mode,
-                           N_("add URL")),
-               OPT_BOOLEAN('\0', "delete", &delete_mode,
+               OPT_BOOL('\0', "push", &push_mode,
+                        N_("manipulate push URLs")),
+               OPT_BOOL('\0', "add", &add_mode,
+                        N_("add URL")),
+               OPT_BOOL('\0', "delete", &delete_mode,
                            N_("delete URLs")),
                OPT_END()
        };
@@ -1505,64 +1586,6 @@ static int set_url(int argc, const char **argv)
        return 0;
 }
 
-static int get_one_entry(struct remote *remote, void *priv)
-{
-       struct string_list *list = priv;
-       struct strbuf url_buf = STRBUF_INIT;
-       const char **url;
-       int i, url_nr;
-
-       if (remote->url_nr > 0) {
-               strbuf_addf(&url_buf, "%s (fetch)", remote->url[0]);
-               string_list_append(list, remote->name)->util =
-                               strbuf_detach(&url_buf, NULL);
-       } else
-               string_list_append(list, remote->name)->util = NULL;
-       if (remote->pushurl_nr) {
-               url = remote->pushurl;
-               url_nr = remote->pushurl_nr;
-       } else {
-               url = remote->url;
-               url_nr = remote->url_nr;
-       }
-       for (i = 0; i < url_nr; i++)
-       {
-               strbuf_addf(&url_buf, "%s (push)", url[i]);
-               string_list_append(list, remote->name)->util =
-                               strbuf_detach(&url_buf, NULL);
-       }
-
-       return 0;
-}
-
-static int show_all(void)
-{
-       struct string_list list = STRING_LIST_INIT_NODUP;
-       int result;
-
-       list.strdup_strings = 1;
-       result = for_each_remote(get_one_entry, &list);
-
-       if (!result) {
-               int i;
-
-               sort_string_list(&list);
-               for (i = 0; i < list.nr; i++) {
-                       struct string_list_item *item = list.items + i;
-                       if (verbose)
-                               printf("%s\t%s\n", item->string,
-                                       item->util ? (const char *)item->util : "");
-                       else {
-                               if (i && !strcmp((item - 1)->string, item->string))
-                                       continue;
-                               printf("%s\n", item->string);
-                       }
-               }
-       }
-       string_list_clear(&list, 1);
-       return result;
-}
-
 int cmd_remote(int argc, const char **argv, const char *prefix)
 {
        struct option options[] = {