diff options
| -rw-r--r-- | Documentation/git-for-each-ref.txt | 5 | ||||
| -rw-r--r-- | ref-filter.c | 73 | ||||
| -rwxr-xr-x | t/t6300-for-each-ref.sh | 9 |
3 files changed, 54 insertions, 33 deletions
diff --git a/Documentation/git-for-each-ref.txt b/Documentation/git-for-each-ref.txt index 14240b4075..5de22cf649 100644 --- a/Documentation/git-for-each-ref.txt +++ b/Documentation/git-for-each-ref.txt @@ -170,6 +170,11 @@ if:: the value between the %(if:...) and %(then) atoms with the given string. +symref:: + The ref which the given symbolic ref refers to. If not a + symbolic ref, nothing is printed. Respects the `:short` and + `:strip` options in the same way as `refname` above. + In addition to the above, for commit and tag objects, the header field names (`tree`, `parent`, `object`, `type`, and `tag`) can be used to specify the value in the header field. diff --git a/ref-filter.c b/ref-filter.c index 7ff284cdf1..6ce7dba2ad 100644 --- a/ref-filter.c +++ b/ref-filter.c @@ -187,6 +187,11 @@ static void objectname_atom_parser(struct used_atom *atom, const char *arg) die(_("unrecognized %%(objectname) argument: %s"), arg); } +static void refname_atom_parser(struct used_atom *atom, const char *arg) +{ + return refname_atom_parser_internal(&atom->u.refname, arg, atom->name); +} + static align_type parse_align_position(const char *s) { if (!strcmp(s, "right")) @@ -257,7 +262,7 @@ static struct { cmp_type cmp_type; void (*parser)(struct used_atom *atom, const char *arg); } valid_atom[] = { - { "refname" }, + { "refname" , FIELD_STR, refname_atom_parser }, { "objecttype" }, { "objectsize", FIELD_ULONG }, { "objectname", FIELD_STR, objectname_atom_parser }, @@ -287,7 +292,7 @@ static struct { { "contents", FIELD_STR, contents_atom_parser }, { "upstream", FIELD_STR, remote_ref_atom_parser }, { "push", FIELD_STR, remote_ref_atom_parser }, - { "symref" }, + { "symref", FIELD_STR, refname_atom_parser }, { "flag" }, { "HEAD" }, { "color", FIELD_STR, color_atom_parser }, @@ -1082,21 +1087,16 @@ static inline char *copy_advance(char *dst, const char *src) return dst; } -static const char *strip_ref_components(const char *refname, const char *nr_arg) +static const char *strip_ref_components(const char *refname, unsigned int len) { - char *end; - long nr = strtol(nr_arg, &end, 10); - long remaining = nr; + long remaining = len; const char *start = refname; - if (nr < 1 || *end != '\0') - die(_(":strip= requires a positive integer argument")); - while (remaining) { switch (*start++) { case '\0': - die(_("ref '%s' does not have %ld components to :strip"), - refname, nr); + die(_("ref '%s' does not have %ud components to :strip"), + refname, len); case '/': remaining--; break; @@ -1105,6 +1105,16 @@ static const char *strip_ref_components(const char *refname, const char *nr_arg) return start; } +static const char *show_ref(struct refname_atom *atom, const char *refname) +{ + if (atom->option == R_SHORT) + return shorten_unambiguous_ref(refname, warn_ambiguous_refs); + else if (atom->option == R_STRIP) + return strip_ref_components(refname, atom->strip); + else + return refname; +} + static void fill_remote_ref_details(struct used_atom *atom, const char *refname, struct branch *branch, const char **s) { @@ -1177,6 +1187,21 @@ char *get_head_description(void) return strbuf_detach(&desc, NULL); } +static const char *get_symref(struct used_atom *atom, struct ref_array_item *ref) +{ + if (!ref->symref) + return ""; + else + return show_ref(&atom->u.refname, ref->symref); +} + +static const char *get_refname(struct used_atom *atom, struct ref_array_item *ref) +{ + if (ref->kind & FILTER_REFS_DETACHED_HEAD) + return get_head_description(); + return show_ref(&atom->u.refname, ref->refname); +} + /* * Parse the object referred by ref, and grab needed value. */ @@ -1205,7 +1230,6 @@ static void populate_value(struct ref_array_item *ref) struct atom_value *v = &ref->value[i]; int deref = 0; const char *refname; - const char *formatp; struct branch *branch = NULL; v->handler = append_atom; @@ -1216,12 +1240,10 @@ static void populate_value(struct ref_array_item *ref) name++; } - if (starts_with(name, "refname")) { - refname = ref->refname; - if (ref->kind & FILTER_REFS_DETACHED_HEAD) - refname = get_head_description(); - } else if (starts_with(name, "symref")) - refname = ref->symref ? ref->symref : ""; + if (starts_with(name, "refname")) + refname = get_refname(atom, ref); + else if (starts_with(name, "symref")) + refname = get_symref(atom, ref); else if (starts_with(name, "upstream")) { const char *branch_name; /* only local branches may have an upstream */ @@ -1297,21 +1319,6 @@ static void populate_value(struct ref_array_item *ref) } else continue; - formatp = strchr(name, ':'); - if (formatp) { - const char *arg; - - formatp++; - if (!strcmp(formatp, "short")) - refname = shorten_unambiguous_ref(refname, - warn_ambiguous_refs); - else if (skip_prefix(formatp, "strip=", &arg)) - refname = strip_ref_components(refname, arg); - else - die(_("unknown %.*s format %s"), - (int)(formatp - name), name, formatp); - } - if (!deref) v->s = refname; else diff --git a/t/t6300-for-each-ref.sh b/t/t6300-for-each-ref.sh index 7663a3661f..18a9e2565c 100755 --- a/t/t6300-for-each-ref.sh +++ b/t/t6300-for-each-ref.sh @@ -624,4 +624,13 @@ test_expect_success 'Verify usage of %(symref:short) atom' ' test_cmp expected actual ' +cat >expected <<EOF +master +EOF + +test_expect_success 'Verify usage of %(symref:strip) atom' ' + git for-each-ref --format="%(symref:strip=2)" refs/heads/sym > actual && + test_cmp expected actual +' + test_done |