[PATCH v2 1/3] for-each-ref: introduce %(HEAD) asterisk marker
From: Ramkumar Ramachandra <hidden>
Date: 2016-06-15 22:59:14
Subsystem:
documentation, the rest · Maintainers:
Jonathan Corbet, Linus Torvalds
'git branch' shows which branch you are currently on with an '*', but 'git for-each-ref' misses this feature. So, extend its format with %(HEAD) for the same effect. Now you can use the following format in for-each-ref: %(HEAD) %(refname:short) to display an asterisk next to the current ref. Signed-off-by: Ramkumar Ramachandra <redacted> --- Documentation/git-for-each-ref.txt | 4 ++++ builtin/for-each-ref.c | 13 +++++++++++-- 2 files changed, 15 insertions(+), 2 deletions(-)
diff --git a/Documentation/git-for-each-ref.txt b/Documentation/git-for-each-ref.txt
index f2e08d1..ab3da0e 100644
--- a/Documentation/git-for-each-ref.txt
+++ b/Documentation/git-for-each-ref.txt@@ -93,6 +93,10 @@ upstream:: from the displayed ref. Respects `:short` in the same way as `refname` above. +HEAD:: + Used to indicate the currently checked out branch. Is '*' if + HEAD points to the current ref, and ' ' otherwise. + 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/for-each-ref.c b/builtin/for-each-ref.c
index 1d4083c..5f1842f 100644
--- a/builtin/for-each-ref.c
+++ b/builtin/for-each-ref.c@@ -75,6 +75,7 @@ static struct { { "upstream" }, { "symref" }, { "flag" }, + { "HEAD" }, }; /*
@@ -675,8 +676,16 @@ static void populate_value(struct refinfo *ref) v->s = xstrdup(buf + 1); } continue; - } - else + } else if (!strcmp(name, "HEAD")) { + const char *head; + unsigned char sha1[20]; + head = resolve_ref_unsafe("HEAD", sha1, 1, NULL); + if (!strcmp(ref->refname, head)) + v->s = "*"; + else + v->s = " "; + continue; + } else continue; formatp = strchr(name, ':');
--
1.8.5.rc0.3.g914176d.dirty