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Merge branch 'tb/ref-filter-empty-modifier'

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In the "--format=..." option of the "git for-each-ref" command (and
its friends, i.e. the listing mode of "git branch/tag"), "%(atom:)"
(e.g. "%(refname:)", "%(body:)" used to error out.  Instead, treat
them as if the colon and an empty string that follows it were not
there.

* tb/ref-filter-empty-modifier:
  ref-filter.c: pass empty-string as NULL to atom parsers
This commit is contained in:
Junio C Hamano 2017-10-07 16:27:56 +09:00
parent 2a5aa826ee bea4dbeafd
commit 43c9e7e365
2 changed files with 10 additions and 1 deletions
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10
ref-filter.c
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@ -413,8 +413,16 @@ static int parse_ref_filter_atom(const struct ref_format *format,
REALLOC_ARRAY(used_atom, used_atom_cnt);
used_atom[at].name = xmemdupz(atom, ep - atom);
used_atom[at].type = valid_atom[i].cmp_type;
if (arg)
if (arg) {
arg = used_atom[at].name + (arg - atom) + 1;
if (!*arg) {
/*
* Treat empty sub-arguments list as NULL (i.e.,
* "%(atom:)" is equivalent to "%(atom)").
*/
arg = NULL;
}
}
memset(&used_atom[at].u, 0, sizeof(used_atom[at].u));
if (valid_atom[i].parser)
valid_atom[i].parser(format, &used_atom[at], arg);

1
t/t6300-for-each-ref.sh
View file

@ -51,6 +51,7 @@ test_atom() {
}
test_atom head refname refs/heads/master
test_atom head refname: refs/heads/master
test_atom head refname:short master
test_atom head refname:lstrip=1 heads/master
test_atom head refname:lstrip=2 master