'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.
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 <artagnon@xxxxxxxxx>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
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 8cbc08c..8d982e3 100644
--- a/Documentation/git-for-each-ref.txt
+++ b/Documentation/git-for-each-ref.txt
@@ -121,6 +121,10 @@ upstream::
from the displayed ref. Respects `:short` in the same way as
`refname` above.
+HEAD::
+ Useful 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 da479d1..3d357a9 100644
--- a/builtin/for-each-ref.c
+++ b/builtin/for-each-ref.c
@@ -76,6 +76,7 @@ static struct {
{ "upstream" },
{ "symref" },
{ "flag" },
+ { "HEAD" },
};
/*
@@ -679,8 +680,16 @@ 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, ':');
--
1.8.3.2.736.g869de25
--
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