object_array: add and use `object_array_pop()`
[gitweb.git] / builtin / fetch.c
index f896aa1f881a0fd320999803fbf4770930342d49..c87e59f3b1def1f064e0dae54a14e310c06df1fa 100644 (file)
@@ -2,6 +2,7 @@
  * "git fetch"
  */
 #include "cache.h"
+#include "config.h"
 #include "refs.h"
 #include "commit.h"
 #include "builtin.h"
@@ -15,6 +16,7 @@
 #include "submodule.h"
 #include "connected.h"
 #include "argv-array.h"
+#include "utf8.h"
 
 static const char * const builtin_fetch_usage[] = {
        N_("git fetch [<options>] [<repository> [<refspec>...]]"),
@@ -34,42 +36,38 @@ static int fetch_prune_config = -1; /* unspecified */
 static int prune = -1; /* unspecified */
 #define PRUNE_BY_DEFAULT 0 /* do we prune by default? */
 
-static int all, append, dry_run, force, keep, multiple, update_head_ok, verbosity;
-static int progress = -1, recurse_submodules = RECURSE_SUBMODULES_DEFAULT;
-static int tags = TAGS_DEFAULT, unshallow, update_shallow;
+static int all, append, dry_run, force, keep, multiple, update_head_ok, verbosity, deepen_relative;
+static int progress = -1;
+static int tags = TAGS_DEFAULT, unshallow, update_shallow, deepen;
 static int max_children = -1;
 static enum transport_family family;
 static const char *depth;
+static const char *deepen_since;
 static const char *upload_pack;
+static struct string_list deepen_not = STRING_LIST_INIT_NODUP;
 static struct strbuf default_rla = STRBUF_INIT;
 static struct transport *gtransport;
 static struct transport *gsecondary;
 static const char *submodule_prefix = "";
-static const char *recurse_submodules_default;
+static int recurse_submodules = RECURSE_SUBMODULES_DEFAULT;
+static int recurse_submodules_default = RECURSE_SUBMODULES_ON_DEMAND;
 static int shown_url = 0;
 static int refmap_alloc, refmap_nr;
 static const char **refmap_array;
 
-static int option_parse_recurse_submodules(const struct option *opt,
-                                  const char *arg, int unset)
-{
-       if (unset) {
-               recurse_submodules = RECURSE_SUBMODULES_OFF;
-       } else {
-               if (arg)
-                       recurse_submodules = parse_fetch_recurse_submodules_arg(opt->long_name, arg);
-               else
-                       recurse_submodules = RECURSE_SUBMODULES_ON;
-       }
-       return 0;
-}
-
 static int git_fetch_config(const char *k, const char *v, void *cb)
 {
        if (!strcmp(k, "fetch.prune")) {
                fetch_prune_config = git_config_bool(k, v);
                return 0;
        }
+
+       if (!strcmp(k, "submodule.recurse")) {
+               int r = git_config_bool(k, v) ?
+                       RECURSE_SUBMODULES_ON : RECURSE_SUBMODULES_OFF;
+               recurse_submodules = r;
+       }
+
        return git_default_config(k, v, cb);
 }
 
@@ -105,9 +103,9 @@ static struct option builtin_fetch_options[] = {
                    N_("number of submodules fetched in parallel")),
        OPT_BOOL('p', "prune", &prune,
                 N_("prune remote-tracking branches no longer on remote")),
-       { OPTION_CALLBACK, 0, "recurse-submodules", NULL, N_("on-demand"),
+       { OPTION_CALLBACK, 0, "recurse-submodules", &recurse_submodules, N_("on-demand"),
                    N_("control recursive fetching of submodules"),
-                   PARSE_OPT_OPTARG, option_parse_recurse_submodules },
+                   PARSE_OPT_OPTARG, option_fetch_parse_recurse_submodules },
        OPT_BOOL(0, "dry-run", &dry_run,
                 N_("dry run")),
        OPT_BOOL('k', "keep", &keep, N_("keep downloaded pack")),
@@ -116,14 +114,22 @@ static struct option builtin_fetch_options[] = {
        OPT_BOOL(0, "progress", &progress, N_("force progress reporting")),
        OPT_STRING(0, "depth", &depth, N_("depth"),
                   N_("deepen history of shallow clone")),
+       OPT_STRING(0, "shallow-since", &deepen_since, N_("time"),
+                  N_("deepen history of shallow repository based on time")),
+       OPT_STRING_LIST(0, "shallow-exclude", &deepen_not, N_("revision"),
+                       N_("deepen history of shallow clone, excluding rev")),
+       OPT_INTEGER(0, "deepen", &deepen_relative,
+                   N_("deepen history of shallow clone")),
        { OPTION_SET_INT, 0, "unshallow", &unshallow, NULL,
                   N_("convert to a complete repository"),
                   PARSE_OPT_NONEG | PARSE_OPT_NOARG, NULL, 1 },
        { OPTION_STRING, 0, "submodule-prefix", &submodule_prefix, N_("dir"),
                   N_("prepend this to submodule path output"), PARSE_OPT_HIDDEN },
-       { OPTION_STRING, 0, "recurse-submodules-default",
-                  &recurse_submodules_default, NULL,
-                  N_("default mode for recursion"), PARSE_OPT_HIDDEN },
+       { OPTION_CALLBACK, 0, "recurse-submodules-default",
+                  &recurse_submodules_default, N_("on-demand"),
+                  N_("default for recursive fetching of submodules "
+                     "(lower priority than config files)"),
+                  PARSE_OPT_HIDDEN, option_fetch_parse_recurse_submodules },
        OPT_BOOL(0, "update-shallow", &update_shallow,
                 N_("accept refs that update .git/shallow")),
        { OPTION_CALLBACK, 0, "refmap", NULL, N_("refmap"),
@@ -232,9 +238,12 @@ static void find_non_local_tags(struct transport *transport,
                 * as one to ignore by setting util to NULL.
                 */
                if (ends_with(ref->name, "^{}")) {
-                       if (item && !has_object_file(&ref->old_oid) &&
+                       if (item &&
+                           !has_object_file_with_flags(&ref->old_oid,
+                                                       OBJECT_INFO_QUICK) &&
                            !will_fetch(head, ref->old_oid.hash) &&
-                           !has_sha1_file(item->util) &&
+                           !has_sha1_file_with_flags(item->util,
+                                                     OBJECT_INFO_QUICK) &&
                            !will_fetch(head, item->util))
                                item->util = NULL;
                        item = NULL;
@@ -247,7 +256,8 @@ static void find_non_local_tags(struct transport *transport,
                 * to check if it is a lightweight tag that we want to
                 * fetch.
                 */
-               if (item && !has_sha1_file(item->util) &&
+               if (item &&
+                   !has_sha1_file_with_flags(item->util, OBJECT_INFO_QUICK) &&
                    !will_fetch(head, item->util))
                        item->util = NULL;
 
@@ -267,7 +277,8 @@ static void find_non_local_tags(struct transport *transport,
         * We may have a final lightweight tag that needs to be
         * checked to see if it needs fetching.
         */
-       if (item && !has_sha1_file(item->util) &&
+       if (item &&
+           !has_sha1_file_with_flags(item->util, OBJECT_INFO_QUICK) &&
            !will_fetch(head, item->util))
                item->util = NULL;
 
@@ -347,9 +358,6 @@ static struct ref *get_ref_map(struct transport *transport,
 
                for (i = 0; i < fetch_refspec_nr; i++)
                        get_fetch_map(ref_map, &fetch_refspec[i], &oref_tail, 1);
-
-               if (tags == TAGS_SET)
-                       get_fetch_map(remote_refs, tag_refspec, &tail, 0);
        } else if (refmap_array) {
                die("--refmap option is only meaningful with command-line refspec(s).");
        } else {
@@ -412,7 +420,7 @@ static int s_update_ref(const char *action,
                        struct ref *ref,
                        int check_old)
 {
-       char msg[1024];
+       char *msg;
        char *rla = getenv("GIT_REFLOG_ACTION");
        struct ref_transaction *transaction;
        struct strbuf err = STRBUF_INIT;
@@ -422,7 +430,7 @@ static int s_update_ref(const char *action,
                return 0;
        if (!rla)
                rla = default_rla.buf;
-       snprintf(msg, sizeof(msg), "%s: %s", rla, action);
+       msg = xstrfmt("%s: %s", rla, action);
 
        transaction = ref_transaction_begin(&err);
        if (!transaction ||
@@ -440,21 +448,152 @@ static int s_update_ref(const char *action,
 
        ref_transaction_free(transaction);
        strbuf_release(&err);
+       free(msg);
        return 0;
 fail:
        ref_transaction_free(transaction);
        error("%s", err.buf);
        strbuf_release(&err);
+       free(msg);
        return df_conflict ? STORE_REF_ERROR_DF_CONFLICT
                           : STORE_REF_ERROR_OTHER;
 }
 
-#define REFCOL_WIDTH  10
+static int refcol_width = 10;
+static int compact_format;
+
+static void adjust_refcol_width(const struct ref *ref)
+{
+       int max, rlen, llen, len;
+
+       /* uptodate lines are only shown on high verbosity level */
+       if (!verbosity && !oidcmp(&ref->peer_ref->old_oid, &ref->old_oid))
+               return;
+
+       max    = term_columns();
+       rlen   = utf8_strwidth(prettify_refname(ref->name));
+
+       llen   = utf8_strwidth(prettify_refname(ref->peer_ref->name));
+
+       /*
+        * rough estimation to see if the output line is too long and
+        * should not be counted (we can't do precise calculation
+        * anyway because we don't know if the error explanation part
+        * will be printed in update_local_ref)
+        */
+       if (compact_format) {
+               llen = 0;
+               max = max * 2 / 3;
+       }
+       len = 21 /* flag and summary */ + rlen + 4 /* -> */ + llen;
+       if (len >= max)
+               return;
+
+       /*
+        * Not precise calculation for compact mode because '*' can
+        * appear on the left hand side of '->' and shrink the column
+        * back.
+        */
+       if (refcol_width < rlen)
+               refcol_width = rlen;
+}
+
+static void prepare_format_display(struct ref *ref_map)
+{
+       struct ref *rm;
+       const char *format = "full";
+
+       git_config_get_string_const("fetch.output", &format);
+       if (!strcasecmp(format, "full"))
+               compact_format = 0;
+       else if (!strcasecmp(format, "compact"))
+               compact_format = 1;
+       else
+               die(_("configuration fetch.output contains invalid value %s"),
+                   format);
+
+       for (rm = ref_map; rm; rm = rm->next) {
+               if (rm->status == REF_STATUS_REJECT_SHALLOW ||
+                   !rm->peer_ref ||
+                   !strcmp(rm->name, "HEAD"))
+                       continue;
+
+               adjust_refcol_width(rm);
+       }
+}
+
+static void print_remote_to_local(struct strbuf *display,
+                                 const char *remote, const char *local)
+{
+       strbuf_addf(display, "%-*s -> %s", refcol_width, remote, local);
+}
+
+static int find_and_replace(struct strbuf *haystack,
+                           const char *needle,
+                           const char *placeholder)
+{
+       const char *p = strstr(haystack->buf, needle);
+       int plen, nlen;
+
+       if (!p)
+               return 0;
+
+       if (p > haystack->buf && p[-1] != '/')
+               return 0;
+
+       plen = strlen(p);
+       nlen = strlen(needle);
+       if (plen > nlen && p[nlen] != '/')
+               return 0;
+
+       strbuf_splice(haystack, p - haystack->buf, nlen,
+                     placeholder, strlen(placeholder));
+       return 1;
+}
+
+static void print_compact(struct strbuf *display,
+                         const char *remote, const char *local)
+{
+       struct strbuf r = STRBUF_INIT;
+       struct strbuf l = STRBUF_INIT;
+
+       if (!strcmp(remote, local)) {
+               strbuf_addf(display, "%-*s -> *", refcol_width, remote);
+               return;
+       }
+
+       strbuf_addstr(&r, remote);
+       strbuf_addstr(&l, local);
+
+       if (!find_and_replace(&r, local, "*"))
+               find_and_replace(&l, remote, "*");
+       print_remote_to_local(display, r.buf, l.buf);
+
+       strbuf_release(&r);
+       strbuf_release(&l);
+}
+
+static void format_display(struct strbuf *display, char code,
+                          const char *summary, const char *error,
+                          const char *remote, const char *local,
+                          int summary_width)
+{
+       int width = (summary_width + strlen(summary) - gettext_width(summary));
+
+       strbuf_addf(display, "%c %-*s ", code, width, summary);
+       if (!compact_format)
+               print_remote_to_local(display, remote, local);
+       else
+               print_compact(display, remote, local);
+       if (error)
+               strbuf_addf(display, "  (%s)", error);
+}
 
 static int update_local_ref(struct ref *ref,
                            const char *remote,
                            const struct ref *remote_ref,
-                           struct strbuf *display)
+                           struct strbuf *display,
+                           int summary_width)
 {
        struct commit *current = NULL, *updated;
        enum object_type type;
@@ -467,9 +606,8 @@ static int update_local_ref(struct ref *ref,
 
        if (!oidcmp(&ref->old_oid, &ref->new_oid)) {
                if (verbosity > 0)
-                       strbuf_addf(display, "= %-*s %-*s -> %s",
-                                   TRANSPORT_SUMMARY(_("[up to date]")),
-                                   REFCOL_WIDTH, remote, pretty_ref);
+                       format_display(display, '=', _("[up to date]"), NULL,
+                                      remote, pretty_ref, summary_width);
                return 0;
        }
 
@@ -481,10 +619,9 @@ static int update_local_ref(struct ref *ref,
                 * If this is the head, and it's not okay to update
                 * the head, and the old value of the head isn't empty...
                 */
-               strbuf_addf(display,
-                           _("! %-*s %-*s -> %s  (can't fetch in current branch)"),
-                           TRANSPORT_SUMMARY(_("[rejected]")),
-                           REFCOL_WIDTH, remote, pretty_ref);
+               format_display(display, '!', _("[rejected]"),
+                              _("can't fetch in current branch"),
+                              remote, pretty_ref, summary_width);
                return 1;
        }
 
@@ -492,16 +629,14 @@ static int update_local_ref(struct ref *ref,
            starts_with(ref->name, "refs/tags/")) {
                int r;
                r = s_update_ref("updating tag", ref, 0);
-               strbuf_addf(display, "%c %-*s %-*s -> %s%s",
-                           r ? '!' : '-',
-                           TRANSPORT_SUMMARY(_("[tag update]")),
-                           REFCOL_WIDTH, remote, pretty_ref,
-                           r ? _("  (unable to update local ref)") : "");
+               format_display(display, r ? '!' : 't', _("[tag update]"),
+                              r ? _("unable to update local ref") : NULL,
+                              remote, pretty_ref, summary_width);
                return r;
        }
 
-       current = lookup_commit_reference_gently(ref->old_oid.hash, 1);
-       updated = lookup_commit_reference_gently(ref->new_oid.hash, 1);
+       current = lookup_commit_reference_gently(&ref->old_oid, 1);
+       updated = lookup_commit_reference_gently(&ref->new_oid, 1);
        if (!current || !updated) {
                const char *msg;
                const char *what;
@@ -525,13 +660,11 @@ static int update_local_ref(struct ref *ref,
 
                if ((recurse_submodules != RECURSE_SUBMODULES_OFF) &&
                    (recurse_submodules != RECURSE_SUBMODULES_ON))
-                       check_for_new_submodule_commits(ref->new_oid.hash);
+                       check_for_new_submodule_commits(&ref->new_oid);
                r = s_update_ref(msg, ref, 0);
-               strbuf_addf(display, "%c %-*s %-*s -> %s%s",
-                           r ? '!' : '*',
-                           TRANSPORT_SUMMARY(what),
-                           REFCOL_WIDTH, remote, pretty_ref,
-                           r ? _("  (unable to update local ref)") : "");
+               format_display(display, r ? '!' : '*', what,
+                              r ? _("unable to update local ref") : NULL,
+                              remote, pretty_ref, summary_width);
                return r;
        }
 
@@ -543,13 +676,11 @@ static int update_local_ref(struct ref *ref,
                strbuf_add_unique_abbrev(&quickref, ref->new_oid.hash, DEFAULT_ABBREV);
                if ((recurse_submodules != RECURSE_SUBMODULES_OFF) &&
                    (recurse_submodules != RECURSE_SUBMODULES_ON))
-                       check_for_new_submodule_commits(ref->new_oid.hash);
+                       check_for_new_submodule_commits(&ref->new_oid);
                r = s_update_ref("fast-forward", ref, 1);
-               strbuf_addf(display, "%c %-*s %-*s -> %s%s",
-                           r ? '!' : ' ',
-                           TRANSPORT_SUMMARY_WIDTH, quickref.buf,
-                           REFCOL_WIDTH, remote, pretty_ref,
-                           r ? _("  (unable to update local ref)") : "");
+               format_display(display, r ? '!' : ' ', quickref.buf,
+                              r ? _("unable to update local ref") : NULL,
+                              remote, pretty_ref, summary_width);
                strbuf_release(&quickref);
                return r;
        } else if (force || ref->force) {
@@ -560,20 +691,16 @@ static int update_local_ref(struct ref *ref,
                strbuf_add_unique_abbrev(&quickref, ref->new_oid.hash, DEFAULT_ABBREV);
                if ((recurse_submodules != RECURSE_SUBMODULES_OFF) &&
                    (recurse_submodules != RECURSE_SUBMODULES_ON))
-                       check_for_new_submodule_commits(ref->new_oid.hash);
+                       check_for_new_submodule_commits(&ref->new_oid);
                r = s_update_ref("forced-update", ref, 1);
-               strbuf_addf(display, "%c %-*s %-*s -> %s  (%s)",
-                           r ? '!' : '+',
-                           TRANSPORT_SUMMARY_WIDTH, quickref.buf,
-                           REFCOL_WIDTH, remote, pretty_ref,
-                           r ? _("unable to update local ref") : _("forced update"));
+               format_display(display, r ? '!' : '+', quickref.buf,
+                              r ? _("unable to update local ref") : _("forced update"),
+                              remote, pretty_ref, summary_width);
                strbuf_release(&quickref);
                return r;
        } else {
-               strbuf_addf(display, "! %-*s %-*s -> %s  %s",
-                           TRANSPORT_SUMMARY(_("[rejected]")),
-                           REFCOL_WIDTH, remote, pretty_ref,
-                           _("(non-fast-forward)"));
+               format_display(display, '!', _("[rejected]"), _("non-fast-forward"),
+                              remote, pretty_ref, summary_width);
                return 1;
        }
 }
@@ -604,6 +731,7 @@ static int store_updated_refs(const char *raw_url, const char *remote_name,
        char *url;
        const char *filename = dry_run ? "/dev/null" : git_path_fetch_head();
        int want_status;
+       int summary_width = transport_summary_width(ref_map);
 
        fp = fopen(filename, "a");
        if (!fp)
@@ -615,11 +743,13 @@ static int store_updated_refs(const char *raw_url, const char *remote_name,
                url = xstrdup("foreign");
 
        rm = ref_map;
-       if (check_everything_connected(iterate_ref_map, 0, &rm)) {
+       if (check_connected(iterate_ref_map, &rm, NULL)) {
                rc = error(_("%s did not send all necessary objects\n"), url);
                goto abort;
        }
 
+       prepare_format_display(ref_map);
+
        /*
         * We do a pass for each fetch_head_status type in their enum order, so
         * merged entries are written before not-for-merge. That lets readers
@@ -639,7 +769,8 @@ static int store_updated_refs(const char *raw_url, const char *remote_name,
                                continue;
                        }
 
-                       commit = lookup_commit_reference_gently(rm->old_oid.hash, 1);
+                       commit = lookup_commit_reference_gently(&rm->old_oid,
+                                                               1);
                        if (!commit)
                                rm->fetch_head_status = FETCH_HEAD_NOT_FOR_MERGE;
 
@@ -711,14 +842,14 @@ static int store_updated_refs(const char *raw_url, const char *remote_name,
 
                        strbuf_reset(&note);
                        if (ref) {
-                               rc |= update_local_ref(ref, what, rm, &note);
+                               rc |= update_local_ref(ref, what, rm, &note,
+                                                      summary_width);
                                free(ref);
                        } else
-                               strbuf_addf(&note, "* %-*s %-*s -> FETCH_HEAD",
-                                           TRANSPORT_SUMMARY_WIDTH,
-                                           *kind ? kind : "branch",
-                                           REFCOL_WIDTH,
-                                           *what ? what : "HEAD");
+                               format_display(&note, '*',
+                                              *kind ? kind : "branch", NULL,
+                                              *what ? what : "HEAD",
+                                              "FETCH_HEAD", summary_width);
                        if (note.len) {
                                if (verbosity >= 0 && !shown_url) {
                                        fprintf(stderr, _("From %.*s\n"),
@@ -751,6 +882,7 @@ static int store_updated_refs(const char *raw_url, const char *remote_name,
 static int quickfetch(struct ref *ref_map)
 {
        struct ref *rm = ref_map;
+       struct check_connected_options opt = CHECK_CONNECTED_INIT;
 
        /*
         * If we are deepening a shallow clone we already have these
@@ -759,9 +891,10 @@ static int quickfetch(struct ref *ref_map)
         * really need to perform.  Claiming failure now will ensure
         * we perform the network exchange to deepen our history.
         */
-       if (depth)
+       if (deepen)
                return -1;
-       return check_everything_connected(iterate_ref_map, 1, &rm);
+       opt.quiet = 1;
+       return check_connected(iterate_ref_map, &rm, &opt);
 }
 
 static int fetch_refs(struct transport *transport, struct ref *ref_map)
@@ -783,6 +916,7 @@ static int prune_refs(struct refspec *refs, int ref_count, struct ref *ref_map,
        int url_len, i, result = 0;
        struct ref *ref, *stale_refs = get_stale_heads(refs, ref_count, ref_map);
        char *url;
+       int summary_width = transport_summary_width(stale_refs);
        const char *dangling_msg = dry_run
                ? _("   (%s will become dangling)")
                : _("   (%s has become dangling)");
@@ -806,19 +940,22 @@ static int prune_refs(struct refspec *refs, int ref_count, struct ref *ref_map,
                for (ref = stale_refs; ref; ref = ref->next)
                        string_list_append(&refnames, ref->name);
 
-               result = delete_refs(&refnames);
+               result = delete_refs("fetch: prune", &refnames, 0);
                string_list_clear(&refnames, 0);
        }
 
        if (verbosity >= 0) {
                for (ref = stale_refs; ref; ref = ref->next) {
+                       struct strbuf sb = STRBUF_INIT;
                        if (!shown_url) {
                                fprintf(stderr, _("From %.*s\n"), url_len, url);
                                shown_url = 1;
                        }
-                       fprintf(stderr, " x %-*s %-*s -> %s\n",
-                               TRANSPORT_SUMMARY(_("[deleted]")),
-                               REFCOL_WIDTH, _("(none)"), prettify_refname(ref->name));
+                       format_display(&sb, '-', _("[deleted]"), NULL,
+                                      _("(none)"), prettify_refname(ref->name),
+                                      summary_width);
+                       fprintf(stderr, " %s\n",sb.buf);
+                       strbuf_release(&sb);
                        warn_dangling_symref(stderr, dangling_msg, ref->name);
                }
        }
@@ -864,7 +1001,7 @@ static void set_option(struct transport *transport, const char *name, const char
                        name, transport->url);
 }
 
-static struct transport *prepare_transport(struct remote *remote)
+static struct transport *prepare_transport(struct remote *remote, int deepen)
 {
        struct transport *transport;
        transport = transport_get(remote, NULL);
@@ -876,6 +1013,13 @@ static struct transport *prepare_transport(struct remote *remote)
                set_option(transport, TRANS_OPT_KEEP, "yes");
        if (depth)
                set_option(transport, TRANS_OPT_DEPTH, depth);
+       if (deepen && deepen_since)
+               set_option(transport, TRANS_OPT_DEEPEN_SINCE, deepen_since);
+       if (deepen && deepen_not.nr)
+               set_option(transport, TRANS_OPT_DEEPEN_NOT,
+                          (const char *)&deepen_not);
+       if (deepen_relative)
+               set_option(transport, TRANS_OPT_DEEPEN_RELATIVE, "yes");
        if (update_shallow)
                set_option(transport, TRANS_OPT_UPDATE_SHALLOW, "yes");
        return transport;
@@ -883,13 +1027,25 @@ static struct transport *prepare_transport(struct remote *remote)
 
 static void backfill_tags(struct transport *transport, struct ref *ref_map)
 {
-       if (transport->cannot_reuse) {
-               gsecondary = prepare_transport(transport->remote);
+       int cannot_reuse;
+
+       /*
+        * Once we have set TRANS_OPT_DEEPEN_SINCE, we can't unset it
+        * when remote helper is used (setting it to an empty string
+        * is not unsetting). We could extend the remote helper
+        * protocol for that, but for now, just force a new connection
+        * without deepen-since. Similar story for deepen-not.
+        */
+       cannot_reuse = transport->cannot_reuse ||
+               deepen_since || deepen_not.nr;
+       if (cannot_reuse) {
+               gsecondary = prepare_transport(transport->remote, 0);
                transport = gsecondary;
        }
 
        transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, NULL);
        transport_set_option(transport, TRANS_OPT_DEPTH, "0");
+       transport_set_option(transport, TRANS_OPT_DEEPEN_RELATIVE, NULL);
        fetch_refs(transport, ref_map);
 
        if (gsecondary) {
@@ -1023,7 +1179,7 @@ static int add_remote_or_group(const char *name, struct string_list *list)
        git_config(get_remote_group, &g);
        if (list->nr == prev_nr) {
                struct remote *remote = remote_get(name);
-               if (!remote_is_configured(remote))
+               if (!remote_is_configured(remote, 0))
                        return 0;
                string_list_append(list, remote->name);
        }
@@ -1100,7 +1256,7 @@ static int fetch_one(struct remote *remote, int argc, const char **argv)
                die(_("No remote repository specified.  Please, specify either a URL or a\n"
                    "remote name from which new revisions should be fetched."));
 
-       gtransport = prepare_transport(remote);
+       gtransport = prepare_transport(remote, 1);
 
        if (prune < 0) {
                /* no command line request */
@@ -1160,6 +1316,13 @@ int cmd_fetch(int argc, const char **argv, const char *prefix)
        argc = parse_options(argc, argv, prefix,
                             builtin_fetch_options, builtin_fetch_usage, 0);
 
+       if (deepen_relative) {
+               if (deepen_relative < 0)
+                       die(_("Negative depth in --deepen is not supported"));
+               if (depth)
+                       die(_("--deepen and --depth are mutually exclusive"));
+               depth = xstrfmt("%d", deepen_relative);
+       }
        if (unshallow) {
                if (depth)
                        die(_("--depth and --unshallow cannot be used together"));
@@ -1172,12 +1335,11 @@ int cmd_fetch(int argc, const char **argv, const char *prefix)
        /* no need to be strict, transport_set_option() will validate it again */
        if (depth && atoi(depth) < 1)
                die(_("depth %s is not a positive number"), depth);
+       if (depth || deepen_since || deepen_not.nr)
+               deepen = 1;
 
        if (recurse_submodules != RECURSE_SUBMODULES_OFF) {
-               if (recurse_submodules_default) {
-                       int arg = parse_fetch_recurse_submodules_arg("--recurse-submodules-default", recurse_submodules_default);
-                       set_config_fetch_recurse_submodules(arg);
-               }
+               set_config_fetch_recurse_submodules(recurse_submodules_default);
                gitmodules_config();
                git_config(submodule_config, NULL);
        }