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for-each-ref: introduce %(HEAD) asterisk marker

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'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 <artagnon@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Ramkumar Ramachandra 2013-11-18 23:09:10 +05:30 committed by Junio C Hamano
parent 189a546797
commit 7a48b83219
3 changed files with 17 additions and 2 deletions
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4
Documentation/git-for-each-ref.txt
View file

@ -93,6 +93,10 @@ upstream::
from the displayed ref. Respects `:short` in the same way as
`refname` above.
HEAD::
'*' if HEAD matches current ref (the checked out branch), ' '
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.

13
builtin/for-each-ref.c
View file

@ -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, ':');

2
t/t6300-for-each-ref.sh
View file

@ -77,6 +77,7 @@ test_atom head contents:body ''
test_atom head contents:signature ''
test_atom head contents 'Initial
'
test_atom head HEAD '*'
test_atom tag refname refs/tags/testtag
test_atom tag upstream ''
@ -110,6 +111,7 @@ test_atom tag contents:body ''
test_atom tag contents:signature ''
test_atom tag contents 'Tagging at 1151939927
'
test_atom tag HEAD ' '
test_expect_success 'Check invalid atoms names are errors' '
test_must_fail git for-each-ref --format="%(INVALID)" refs/heads