push: pass ref prefixes when pushing

diff --git a/ref-filter.c b/ref-filter.c
index 85625fe2d2f89ebe23d387de8c8aaac28ab036f7..3f9161707e66be86eabaf7347da23a2450ffdd9f 100644 (file)
--- a/ref-filter.c
+++ b/ref-filter.c
@@ -76,9 +76,11 @@ static struct used_atom {
                char color[COLOR_MAXLEN];
                struct align align;
                struct {
-                       enum { RR_REF, RR_TRACK, RR_TRACKSHORT } option;
+                       enum {
+                               RR_REF, RR_TRACK, RR_TRACKSHORT, RR_REMOTE_NAME, RR_REMOTE_REF
+                       } option;
                        struct refname_atom refname;
-                       unsigned int nobracket : 1;
+                       unsigned int nobracket : 1, push : 1, push_remote : 1;
                } remote_ref;
                struct {
                        enum { C_BARE, C_BODY, C_BODY_DEP, C_LINES, C_SIG, C_SUB, C_TRAILERS } option;
@@ -138,6 +140,9 @@ static void remote_ref_atom_parser(const struct ref_format *format, struct used_
        struct string_list params = STRING_LIST_INIT_DUP;
        int i;
 
+       if (!strcmp(atom->name, "push") || starts_with(atom->name, "push:"))
+               atom->u.remote_ref.push = 1;
+
        if (!arg) {
                atom->u.remote_ref.option = RR_REF;
                refname_atom_parser_internal(&atom->u.remote_ref.refname,
@@ -157,7 +162,13 @@ static void remote_ref_atom_parser(const struct ref_format *format, struct used_
                        atom->u.remote_ref.option = RR_TRACKSHORT;
                else if (!strcmp(s, "nobracket"))
                        atom->u.remote_ref.nobracket = 1;
-               else {
+               else if (!strcmp(s, "remotename")) {
+                       atom->u.remote_ref.option = RR_REMOTE_NAME;
+                       atom->u.remote_ref.push_remote = 1;
+               } else if (!strcmp(s, "remoteref")) {
+                       atom->u.remote_ref.option = RR_REMOTE_REF;
+                       atom->u.remote_ref.push_remote = 1;
+               } else {
                        atom->u.remote_ref.option = RR_REF;
                        refname_atom_parser_internal(&atom->u.remote_ref.refname,
                                                     arg, atom->name);
@@ -311,9 +322,7 @@ static void if_atom_parser(const struct ref_format *format, struct used_atom *at
 
 static void head_atom_parser(const struct ref_format *format, struct used_atom *atom, const char *arg)
 {
-       struct object_id unused;
-
-       atom->u.head = resolve_refdup("HEAD", RESOLVE_REF_READING, unused.hash, NULL);
+       atom->u.head = resolve_refdup("HEAD", RESOLVE_REF_READING, NULL, NULL);
 }
 
 static struct {
@@ -431,8 +440,16 @@ static int parse_ref_filter_atom(const struct ref_format *format,
        REALLOC_ARRAY(used_atom, used_atom_cnt);
        used_atom[at].name = xmemdupz(atom, ep - atom);
        used_atom[at].type = valid_atom[i].cmp_type;
-       if (arg)
+       if (arg) {
                arg = used_atom[at].name + (arg - atom) + 1;
+               if (!*arg) {
+                       /*
+                        * Treat empty sub-arguments list as NULL (i.e.,
+                        * "%(atom:)" is equivalent to "%(atom)").
+                        */
+                       arg = NULL;
+               }
+       }
        memset(&used_atom[at].u, 0, sizeof(used_atom[at].u));
        if (valid_atom[i].parser)
                valid_atom[i].parser(format, &used_atom[at], arg);
@@ -1262,6 +1279,25 @@ static void fill_remote_ref_details(struct used_atom *atom, const char *refname,
                        *s = ">";
                else
                        *s = "<>";
+       } else if (atom->u.remote_ref.option == RR_REMOTE_NAME) {
+               int explicit;
+               const char *remote = atom->u.remote_ref.push ?
+                       pushremote_for_branch(branch, &explicit) :
+                       remote_for_branch(branch, &explicit);
+               if (explicit)
+                       *s = xstrdup(remote);
+               else
+                       *s = "";
+       } else if (atom->u.remote_ref.option == RR_REMOTE_REF) {
+               int explicit;
+               const char *merge;
+
+               merge = remote_ref_for_branch(branch, atom->u.remote_ref.push,
+                                             &explicit);
+               if (explicit)
+                       *s = xstrdup(merge);
+               else
+                       *s = "";
        } else
                die("BUG: unhandled RR_* enum");
 }
@@ -1332,9 +1368,8 @@ static void populate_value(struct ref_array_item *ref)
        ref->value = xcalloc(used_atom_cnt, sizeof(struct atom_value));
 
        if (need_symref && (ref->flag & REF_ISSYMREF) && !ref->symref) {
-               struct object_id unused1;
                ref->symref = resolve_refdup(ref->refname, RESOLVE_REF_READING,
-                                            unused1.hash, NULL);
+                                            NULL, NULL);
                if (!ref->symref)
                        ref->symref = "";
        }
@@ -1372,16 +1407,20 @@ static void populate_value(struct ref_array_item *ref)
                        if (refname)
                                fill_remote_ref_details(atom, refname, branch, &v->s);
                        continue;
-               } else if (starts_with(name, "push")) {
+               } else if (atom->u.remote_ref.push) {
                        const char *branch_name;
                        if (!skip_prefix(ref->refname, "refs/heads/",
                                         &branch_name))
                                continue;
                        branch = branch_get(branch_name);
 
-                       refname = branch_get_push(branch, NULL);
-                       if (!refname)
-                               continue;
+                       if (atom->u.remote_ref.push_remote)
+                               refname = NULL;
+                       else {
+                               refname = branch_get_push(branch, NULL);
+                               if (!refname)
+                                       continue;
+                       }
                        fill_remote_ref_details(atom, refname, branch, &v->s);
                        continue;
                } else if (starts_with(name, "color:")) {