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-rw-r--r--Documentation/git-branch.txt4
-rw-r--r--Documentation/git-for-each-ref.txt5
-rw-r--r--builtin-branch.c23
-rw-r--r--builtin-for-each-ref.c164
-rw-r--r--refs.c99
-rw-r--r--refs.h1
-rwxr-xr-xt/t6300-for-each-ref.sh22
7 files changed, 187 insertions, 131 deletions
diff --git a/Documentation/git-branch.txt b/Documentation/git-branch.txt
index 31ba7f2..ba3dea6 100644
--- a/Documentation/git-branch.txt
+++ b/Documentation/git-branch.txt
@@ -100,7 +100,9 @@ OPTIONS
-v::
--verbose::
- Show sha1 and commit subject line for each head.
+ Show sha1 and commit subject line for each head, along with
+ relationship to upstream branch (if any). If given twice, print
+ the name of the upstream branch, as well.
--abbrev=<length>::
Alter the sha1's minimum display length in the output listing.
diff --git a/Documentation/git-for-each-ref.txt b/Documentation/git-for-each-ref.txt
index 5061d3e..b362e9e 100644
--- a/Documentation/git-for-each-ref.txt
+++ b/Documentation/git-for-each-ref.txt
@@ -85,6 +85,11 @@ objectsize::
objectname::
The object name (aka SHA-1).
+upstream::
+ The name of a local ref which can be considered ``upstream''
+ from the displayed ref. Respects `:short` 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/builtin-branch.c b/builtin-branch.c
index ca81d725..3275821 100644
--- a/builtin-branch.c
+++ b/builtin-branch.c
@@ -301,19 +301,30 @@ static int ref_cmp(const void *r1, const void *r2)
return strcmp(c1->name, c2->name);
}
-static void fill_tracking_info(struct strbuf *stat, const char *branch_name)
+static void fill_tracking_info(struct strbuf *stat, const char *branch_name,
+ int show_upstream_ref)
{
int ours, theirs;
struct branch *branch = branch_get(branch_name);
- if (!stat_tracking_info(branch, &ours, &theirs) || (!ours && !theirs))
+ if (!stat_tracking_info(branch, &ours, &theirs)) {
+ if (branch && branch->merge && branch->merge[0]->dst &&
+ show_upstream_ref)
+ strbuf_addf(stat, "[%s] ",
+ shorten_unambiguous_ref(branch->merge[0]->dst));
return;
+ }
+
+ strbuf_addch(stat, '[');
+ if (show_upstream_ref)
+ strbuf_addf(stat, "%s: ",
+ shorten_unambiguous_ref(branch->merge[0]->dst));
if (!ours)
- strbuf_addf(stat, "[behind %d] ", theirs);
+ strbuf_addf(stat, "behind %d] ", theirs);
else if (!theirs)
- strbuf_addf(stat, "[ahead %d] ", ours);
+ strbuf_addf(stat, "ahead %d] ", ours);
else
- strbuf_addf(stat, "[ahead %d, behind %d] ", ours, theirs);
+ strbuf_addf(stat, "ahead %d, behind %d] ", ours, theirs);
}
static int matches_merge_filter(struct commit *commit)
@@ -379,7 +390,7 @@ static void print_ref_item(struct ref_item *item, int maxwidth, int verbose,
}
if (item->kind == REF_LOCAL_BRANCH)
- fill_tracking_info(&stat, item->name);
+ fill_tracking_info(&stat, item->name, verbose > 1);
strbuf_addf(&out, " %s %s%s",
find_unique_abbrev(item->commit->object.sha1, abbrev),
diff --git a/builtin-for-each-ref.c b/builtin-for-each-ref.c
index 5cbb4b0..c8114c8 100644
--- a/builtin-for-each-ref.c
+++ b/builtin-for-each-ref.c
@@ -8,6 +8,7 @@
#include "blob.h"
#include "quote.h"
#include "parse-options.h"
+#include "remote.h"
/* Quoting styles */
#define QUOTE_NONE 0
@@ -66,6 +67,7 @@ static struct {
{ "subject" },
{ "body" },
{ "contents" },
+ { "upstream" },
};
/*
@@ -544,109 +546,6 @@ static void grab_values(struct atom_value *val, int deref, struct object *obj, v
}
/*
- * generate a format suitable for scanf from a ref_rev_parse_rules
- * rule, that is replace the "%.*s" spec with a "%s" spec
- */
-static void gen_scanf_fmt(char *scanf_fmt, const char *rule)
-{
- char *spec;
-
- spec = strstr(rule, "%.*s");
- if (!spec || strstr(spec + 4, "%.*s"))
- die("invalid rule in ref_rev_parse_rules: %s", rule);
-
- /* copy all until spec */
- strncpy(scanf_fmt, rule, spec - rule);
- scanf_fmt[spec - rule] = '\0';
- /* copy new spec */
- strcat(scanf_fmt, "%s");
- /* copy remaining rule */
- strcat(scanf_fmt, spec + 4);
-
- return;
-}
-
-/*
- * Shorten the refname to an non-ambiguous form
- */
-static char *get_short_ref(struct refinfo *ref)
-{
- int i;
- static char **scanf_fmts;
- static int nr_rules;
- char *short_name;
-
- /* pre generate scanf formats from ref_rev_parse_rules[] */
- if (!nr_rules) {
- size_t total_len = 0;
-
- /* the rule list is NULL terminated, count them first */
- for (; ref_rev_parse_rules[nr_rules]; nr_rules++)
- /* no +1 because strlen("%s") < strlen("%.*s") */
- total_len += strlen(ref_rev_parse_rules[nr_rules]);
-
- scanf_fmts = xmalloc(nr_rules * sizeof(char *) + total_len);
-
- total_len = 0;
- for (i = 0; i < nr_rules; i++) {
- scanf_fmts[i] = (char *)&scanf_fmts[nr_rules]
- + total_len;
- gen_scanf_fmt(scanf_fmts[i], ref_rev_parse_rules[i]);
- total_len += strlen(ref_rev_parse_rules[i]);
- }
- }
-
- /* bail out if there are no rules */
- if (!nr_rules)
- return ref->refname;
-
- /* buffer for scanf result, at most ref->refname must fit */
- short_name = xstrdup(ref->refname);
-
- /* skip first rule, it will always match */
- for (i = nr_rules - 1; i > 0 ; --i) {
- int j;
- int short_name_len;
-
- if (1 != sscanf(ref->refname, scanf_fmts[i], short_name))
- continue;
-
- short_name_len = strlen(short_name);
-
- /*
- * check if the short name resolves to a valid ref,
- * but use only rules prior to the matched one
- */
- for (j = 0; j < i; j++) {
- const char *rule = ref_rev_parse_rules[j];
- unsigned char short_objectname[20];
- char refname[PATH_MAX];
-
- /*
- * the short name is ambiguous, if it resolves
- * (with this previous rule) to a valid ref
- * read_ref() returns 0 on success
- */
- mksnpath(refname, sizeof(refname),
- rule, short_name_len, short_name);
- if (!read_ref(refname, short_objectname))
- break;
- }
-
- /*
- * short name is non-ambiguous if all previous rules
- * haven't resolved to a valid ref
- */
- if (j == i)
- return short_name;
- }
-
- free(short_name);
- return ref->refname;
-}
-
-
-/*
* Parse the object referred by ref, and grab needed value.
*/
static void populate_value(struct refinfo *ref)
@@ -672,32 +571,49 @@ static void populate_value(struct refinfo *ref)
const char *name = used_atom[i];
struct atom_value *v = &ref->value[i];
int deref = 0;
+ const char *refname;
+ const char *formatp;
+
if (*name == '*') {
deref = 1;
name++;
}
- if (!prefixcmp(name, "refname")) {
- const char *formatp = strchr(name, ':');
- const char *refname = ref->refname;
-
- /* look for "short" refname format */
- if (formatp) {
- formatp++;
- if (!strcmp(formatp, "short"))
- refname = get_short_ref(ref);
- else
- die("unknown refname format %s",
- formatp);
- }
- if (!deref)
- v->s = refname;
- else {
- int len = strlen(refname);
- char *s = xmalloc(len + 4);
- sprintf(s, "%s^{}", refname);
- v->s = s;
- }
+ if (!prefixcmp(name, "refname"))
+ refname = ref->refname;
+ else if(!prefixcmp(name, "upstream")) {
+ struct branch *branch;
+ /* only local branches may have an upstream */
+ if (prefixcmp(ref->refname, "refs/heads/"))
+ continue;
+ branch = branch_get(ref->refname + 11);
+
+ if (!branch || !branch->merge || !branch->merge[0] ||
+ !branch->merge[0]->dst)
+ continue;
+ refname = branch->merge[0]->dst;
+ }
+ else
+ continue;
+
+ formatp = strchr(name, ':');
+ /* look for "short" refname format */
+ if (formatp) {
+ formatp++;
+ if (!strcmp(formatp, "short"))
+ refname = shorten_unambiguous_ref(refname);
+ else
+ die("unknown %.*s format %s",
+ (int)(formatp - name), name, formatp);
+ }
+
+ if (!deref)
+ v->s = refname;
+ else {
+ int len = strlen(refname);
+ char *s = xmalloc(len + 4);
+ sprintf(s, "%s^{}", refname);
+ v->s = s;
}
}
diff --git a/refs.c b/refs.c
index 9ccaf40..82afb87 100644
--- a/refs.c
+++ b/refs.c
@@ -1657,3 +1657,102 @@ struct ref *find_ref_by_name(const struct ref *list, const char *name)
return (struct ref *)list;
return NULL;
}
+
+/*
+ * generate a format suitable for scanf from a ref_rev_parse_rules
+ * rule, that is replace the "%.*s" spec with a "%s" spec
+ */
+static void gen_scanf_fmt(char *scanf_fmt, const char *rule)
+{
+ char *spec;
+
+ spec = strstr(rule, "%.*s");
+ if (!spec || strstr(spec + 4, "%.*s"))
+ die("invalid rule in ref_rev_parse_rules: %s", rule);
+
+ /* copy all until spec */
+ strncpy(scanf_fmt, rule, spec - rule);
+ scanf_fmt[spec - rule] = '\0';
+ /* copy new spec */
+ strcat(scanf_fmt, "%s");
+ /* copy remaining rule */
+ strcat(scanf_fmt, spec + 4);
+
+ return;
+}
+
+char *shorten_unambiguous_ref(const char *ref)
+{
+ int i;
+ static char **scanf_fmts;
+ static int nr_rules;
+ char *short_name;
+
+ /* pre generate scanf formats from ref_rev_parse_rules[] */
+ if (!nr_rules) {
+ size_t total_len = 0;
+
+ /* the rule list is NULL terminated, count them first */
+ for (; ref_rev_parse_rules[nr_rules]; nr_rules++)
+ /* no +1 because strlen("%s") < strlen("%.*s") */
+ total_len += strlen(ref_rev_parse_rules[nr_rules]);
+
+ scanf_fmts = xmalloc(nr_rules * sizeof(char *) + total_len);
+
+ total_len = 0;
+ for (i = 0; i < nr_rules; i++) {
+ scanf_fmts[i] = (char *)&scanf_fmts[nr_rules]
+ + total_len;
+ gen_scanf_fmt(scanf_fmts[i], ref_rev_parse_rules[i]);
+ total_len += strlen(ref_rev_parse_rules[i]);
+ }
+ }
+
+ /* bail out if there are no rules */
+ if (!nr_rules)
+ return xstrdup(ref);
+
+ /* buffer for scanf result, at most ref must fit */
+ short_name = xstrdup(ref);
+
+ /* skip first rule, it will always match */
+ for (i = nr_rules - 1; i > 0 ; --i) {
+ int j;
+ int short_name_len;
+
+ if (1 != sscanf(ref, scanf_fmts[i], short_name))
+ continue;
+
+ short_name_len = strlen(short_name);
+
+ /*
+ * check if the short name resolves to a valid ref,
+ * but use only rules prior to the matched one
+ */
+ for (j = 0; j < i; j++) {
+ const char *rule = ref_rev_parse_rules[j];
+ unsigned char short_objectname[20];
+ char refname[PATH_MAX];
+
+ /*
+ * the short name is ambiguous, if it resolves
+ * (with this previous rule) to a valid ref
+ * read_ref() returns 0 on success
+ */
+ mksnpath(refname, sizeof(refname),
+ rule, short_name_len, short_name);
+ if (!read_ref(refname, short_objectname))
+ break;
+ }
+
+ /*
+ * short name is non-ambiguous if all previous rules
+ * haven't resolved to a valid ref
+ */
+ if (j == i)
+ return short_name;
+ }
+
+ free(short_name);
+ return xstrdup(ref);
+}
diff --git a/refs.h b/refs.h
index 2f6a8af..50abbbb 100644
--- a/refs.h
+++ b/refs.h
@@ -81,6 +81,7 @@ extern int for_each_reflog(each_ref_fn, void *);
extern int check_ref_format(const char *target);
extern const char *prettify_ref(const struct ref *ref);
+extern char *shorten_unambiguous_ref(const char *ref);
/** rename ref, return 0 on success **/
extern int rename_ref(const char *oldref, const char *newref, const char *logmsg);
diff --git a/t/t6300-for-each-ref.sh b/t/t6300-for-each-ref.sh
index 8bfae44..daf02d5 100755
--- a/t/t6300-for-each-ref.sh
+++ b/t/t6300-for-each-ref.sh
@@ -26,6 +26,13 @@ test_expect_success 'Create sample commit with known timestamp' '
git tag -a -m "Tagging at $datestamp" testtag
'
+test_expect_success 'Create upstream config' '
+ git update-ref refs/remotes/origin/master master &&
+ git remote add origin nowhere &&
+ git config branch.master.remote origin &&
+ git config branch.master.merge refs/heads/master
+'
+
test_atom() {
case "$1" in
head) ref=refs/heads/master ;;
@@ -39,6 +46,7 @@ test_atom() {
}
test_atom head refname refs/heads/master
+test_atom head upstream refs/remotes/origin/master
test_atom head objecttype commit
test_atom head objectsize 171
test_atom head objectname 67a36f10722846e891fbada1ba48ed035de75581
@@ -68,6 +76,7 @@ test_atom head contents 'Initial
'
test_atom tag refname refs/tags/testtag
+test_atom tag upstream ''
test_atom tag objecttype tag
test_atom tag objectsize 154
test_atom tag objectname 98b46b1d36e5b07909de1b3886224e3e81e87322
@@ -203,6 +212,7 @@ test_expect_success 'Check format "rfc2822" date fields output' '
cat >expected <<\EOF
refs/heads/master
+refs/remotes/origin/master
refs/tags/testtag
EOF
@@ -214,6 +224,7 @@ test_expect_success 'Verify ascending sort' '
cat >expected <<\EOF
refs/tags/testtag
+refs/remotes/origin/master
refs/heads/master
EOF
@@ -224,6 +235,7 @@ test_expect_success 'Verify descending sort' '
cat >expected <<\EOF
'refs/heads/master'
+'refs/remotes/origin/master'
'refs/tags/testtag'
EOF
@@ -244,6 +256,7 @@ test_expect_success 'Quoting style: python' '
cat >expected <<\EOF
"refs/heads/master"
+"refs/remotes/origin/master"
"refs/tags/testtag"
EOF
@@ -273,6 +286,15 @@ test_expect_success 'Check short refname format' '
test_cmp expected actual
'
+cat >expected <<EOF
+origin/master
+EOF
+
+test_expect_success 'Check short upstream format' '
+ git for-each-ref --format="%(upstream:short)" refs/heads >actual &&
+ test_cmp expected actual
+'
+
test_expect_success 'Check for invalid refname format' '
test_must_fail git for-each-ref --format="%(refname:INVALID)"
'