From: "Ramkumar Ramachandra" <artag...@gmail.com>
Sent: Friday, May 24, 2013 3:19 PM
'git branch' shows which branch you are currently on with an '*', but
'git for-each-ref' misses this feature.  So, extend the format with
%(HEAD) to do exactly the same thing.


Maybe 'isHEAD' as a better name, or 'ifHEAD', or something to indicate its boolean nature.


Now you can use the following format in for-each-ref:

 %C(red)%(HEAD)%C(reset) %C(green)%(refname:short)%C(reset)

to display a red asterisk next to the current ref.

Signed-off-by: Ramkumar Ramachandra <artag...@gmail.com>
---
builtin/for-each-ref.c | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/builtin/for-each-ref.c b/builtin/for-each-ref.c
index 1563b25..63d3a85 100644
--- a/builtin/for-each-ref.c
+++ b/builtin/for-each-ref.c
@@ -76,6 +76,7 @@ static struct {
 { "upstream" },
 { "symref" },
 { "flag" },
+ { "HEAD" },
};

/*
@@ -683,8 +684,16 @@ 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, ':');
--
1.8.3.rc3.2.g99b8f3f.dirty

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