git log: support "auto" decorations

diff --git a/transport.c b/transport.c
index 5485e2ab1e86fd7f02c2078ed6505cdec292ee4f..325f03e1eef97df296bb1cc9f7d2d33c218dde26 100644 (file)
--- a/transport.c
+++ b/transport.c
@@ -14,6 +14,7 @@
 #include "url.h"
 #include "submodule.h"
 #include "string-list.h"
+#include "sha1-array.h"
 
 /* rsync support */
 
@@ -169,13 +170,13 @@ static void set_upstreams(struct transport *transport, struct ref *refs,
                remotename = ref->name;
                tmp = resolve_ref_unsafe(localname, sha, 1, &flag);
                if (tmp && flag & REF_ISSYMREF &&
-                       !prefixcmp(tmp, "refs/heads/"))
+                       starts_with(tmp, "refs/heads/"))
                        localname = tmp;
 
                /* Both source and destination must be local branches. */
-               if (!localname || prefixcmp(localname, "refs/heads/"))
+               if (!localname || !starts_with(localname, "refs/heads/"))
                        continue;
-               if (!remotename || prefixcmp(remotename, "refs/heads/"))
+               if (!remotename || !starts_with(remotename, "refs/heads/"))
                        continue;
 
                if (!pretend)
@@ -191,7 +192,7 @@ static void set_upstreams(struct transport *transport, struct ref *refs,
 
 static const char *rsync_url(const char *url)
 {
-       return prefixcmp(url, "rsync://") ? skip_prefix(url, "rsync:") : url;
+       return !starts_with(url, "rsync://") ? skip_prefix(url, "rsync:") : url;
 }
 
 static struct ref *get_refs_via_rsync(struct transport *transport, int for_push)
@@ -296,8 +297,8 @@ static int write_one_ref(const char *name, const unsigned char *sha1,
        FILE *f;
 
        /* when called via for_each_ref(), flags is non-zero */
-       if (flags && prefixcmp(name, "refs/heads/") &&
-                       prefixcmp(name, "refs/tags/"))
+       if (flags && !starts_with(name, "refs/heads/") &&
+                       !starts_with(name, "refs/tags/"))
                return 0;
 
        strbuf_addstr(buf, name);
@@ -454,7 +455,8 @@ struct git_transport_data {
        struct child_process *conn;
        int fd[2];
        unsigned got_remote_heads : 1;
-       struct extra_have_objects extra_have;
+       struct sha1_array extra_have;
+       struct sha1_array shallow;
 };
 
 static int set_git_option(struct git_transport_options *opts,
@@ -475,6 +477,9 @@ static int set_git_option(struct git_transport_options *opts,
        } else if (!strcmp(name, TRANS_OPT_KEEP)) {
                opts->keep = !!value;
                return 0;
+       } else if (!strcmp(name, TRANS_OPT_UPDATE_SHALLOW)) {
+               opts->update_shallow = !!value;
+               return 0;
        } else if (!strcmp(name, TRANS_OPT_DEPTH)) {
                if (!value)
                        opts->depth = 0;
@@ -511,7 +516,9 @@ static struct ref *get_refs_via_connect(struct transport *transport, int for_pus
 
        connect_setup(transport, for_push, 0);
        get_remote_heads(data->fd[0], NULL, 0, &refs,
-                        for_push ? REF_NORMAL : 0, &data->extra_have);
+                        for_push ? REF_NORMAL : 0,
+                        &data->extra_have,
+                        &data->shallow);
        data->got_remote_heads = 1;
 
        return refs;
@@ -538,16 +545,19 @@ static int fetch_refs_via_pack(struct transport *transport,
        args.depth = data->options.depth;
        args.check_self_contained_and_connected =
                data->options.check_self_contained_and_connected;
+       args.cloning = transport->cloning;
+       args.update_shallow = data->options.update_shallow;
 
        if (!data->got_remote_heads) {
                connect_setup(transport, 0, 0);
-               get_remote_heads(data->fd[0], NULL, 0, &refs_tmp, 0, NULL);
+               get_remote_heads(data->fd[0], NULL, 0, &refs_tmp, 0,
+                                NULL, &data->shallow);
                data->got_remote_heads = 1;
        }
 
        refs = fetch_pack(&args, data->fd, data->conn,
                          refs_tmp ? refs_tmp : transport->remote_refs,
-                         dest, to_fetch, nr_heads,
+                         dest, to_fetch, nr_heads, &data->shallow,
                          &transport->pack_lockfile);
        close(data->fd[0]);
        close(data->fd[1]);
@@ -652,7 +662,7 @@ static void print_ok_ref_status(struct ref *ref, int porcelain)
                print_ref_status('-', "[deleted]", ref, NULL, NULL, porcelain);
        else if (is_null_sha1(ref->old_sha1))
                print_ref_status('*',
-                       (!prefixcmp(ref->name, "refs/tags/") ? "[new tag]" :
+                       (starts_with(ref->name, "refs/tags/") ? "[new tag]" :
                        "[new branch]"),
                        ref, ref->peer_ref, NULL, porcelain);
        else {
@@ -713,6 +723,10 @@ static int print_one_push_status(struct ref *ref, const char *dest, int count, i
                print_ref_status('!', "[rejected]", ref, ref->peer_ref,
                                                 "stale info", porcelain);
                break;
+       case REF_STATUS_REJECT_SHALLOW:
+               print_ref_status('!', "[rejected]", ref, ref->peer_ref,
+                                                "new shallow roots not allowed", porcelain);
+               break;
        case REF_STATUS_REMOTE_REJECT:
                print_ref_status('!', "[remote rejected]", ref,
                                                 ref->deletion ? NULL : ref->peer_ref,
@@ -805,7 +819,8 @@ static int git_transport_push(struct transport *transport, struct ref *remote_re
                struct ref *tmp_refs;
                connect_setup(transport, 1, 0);
 
-               get_remote_heads(data->fd[0], NULL, 0, &tmp_refs, REF_NORMAL, NULL);
+               get_remote_heads(data->fd[0], NULL, 0, &tmp_refs, REF_NORMAL,
+                                NULL, &data->shallow);
                data->got_remote_heads = 1;
        }
 
@@ -922,13 +937,13 @@ struct transport *transport_get(struct remote *remote, const char *url)
 
                while (is_urlschemechar(p == url, *p))
                        p++;
-               if (!prefixcmp(p, "::"))
+               if (starts_with(p, "::"))
                        helper = xstrndup(url, p - url);
        }
 
        if (helper) {
                transport_helper_init(ret, helper);
-       } else if (!prefixcmp(url, "rsync:")) {
+       } else if (starts_with(url, "rsync:")) {
                ret->get_refs_list = get_refs_via_rsync;
                ret->fetch = fetch_objs_via_rsync;
                ret->push = rsync_transport_push;
@@ -941,11 +956,11 @@ struct transport *transport_get(struct remote *remote, const char *url)
                ret->disconnect = close_bundle;
                ret->smart_options = NULL;
        } else if (!is_url(url)
-               || !prefixcmp(url, "file://")
-               || !prefixcmp(url, "git://")
-               || !prefixcmp(url, "ssh://")
-               || !prefixcmp(url, "git+ssh://")
-               || !prefixcmp(url, "ssh+git://")) {
+               || starts_with(url, "file://")
+               || starts_with(url, "git://")
+               || starts_with(url, "ssh://")
+               || starts_with(url, "git+ssh://")
+               || starts_with(url, "ssh+git://")) {
                /* These are builtin smart transports. */
                struct git_transport_data *data = xcalloc(1, sizeof(*data));
                ret->data = data;
@@ -1117,8 +1132,7 @@ int transport_push(struct transport *transport,
 
                return transport->push(transport, refspec_nr, refspec, flags);
        } else if (transport->push_refs) {
-               struct ref *remote_refs =
-                       transport->get_refs_list(transport, 1);
+               struct ref *remote_refs;
                struct ref *local_refs = get_local_heads();
                int match_flags = MATCH_REFS_NONE;
                int verbose = (transport->verbose > 0);
@@ -1127,6 +1141,11 @@ int transport_push(struct transport *transport,
                int pretend = flags & TRANSPORT_PUSH_DRY_RUN;
                int push_ret, ret, err;
 
+               if (check_push_refs(local_refs, refspec_nr, refspec) < 0)
+                       return -1;
+
+               remote_refs = transport->get_refs_list(transport, 1);
+
                if (flags & TRANSPORT_PUSH_ALL)
                        match_flags |= MATCH_REFS_ALL;
                if (flags & TRANSPORT_PUSH_MIRROR)