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Merge branch 'jk/rev-parse-double-dashes' into maint

"git rev-parse <revs> -- <paths>" did not implement the usual
disambiguation rules the commands in the "git log" family used in
the same way.

* jk/rev-parse-double-dashes:
  rev-parse: be more careful with munging arguments
  rev-parse: correctly diagnose revision errors before "--"
This commit is contained in:
Junio C Hamano 2014-01-13 11:22:38 -08:00
commit be941a2c34
2 changed files with 39 additions and 1 deletions

View file

@ -279,6 +279,7 @@ static int try_difference(const char *arg)
exclude = n;
}
}
*dotdot = '.';
return 1;
}
*dotdot = '.';
@ -302,8 +303,10 @@ static int try_parent_shorthands(const char *arg)
return 0;
*dotdot = 0;
if (get_sha1_committish(arg, sha1))
if (get_sha1_committish(arg, sha1)) {
*dotdot = '^';
return 0;
}
if (!parents_only)
show_rev(NORMAL, sha1, arg);
@ -312,6 +315,7 @@ static int try_parent_shorthands(const char *arg)
show_rev(parents_only ? NORMAL : REVERSED,
parents->item->object.sha1, arg);
*dotdot = '^';
return 1;
}
@ -476,6 +480,7 @@ N_("git rev-parse --parseopt [options] -- [<args>...]\n"
int cmd_rev_parse(int argc, const char **argv, const char *prefix)
{
int i, as_is = 0, verify = 0, quiet = 0, revs_count = 0, type = 0;
int has_dashdash = 0;
int output_prefix = 0;
unsigned char sha1[20];
const char *name = NULL;
@ -489,6 +494,13 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
if (argc > 1 && !strcmp("-h", argv[1]))
usage(builtin_rev_parse_usage);
for (i = 1; i < argc; i++) {
if (!strcmp(argv[i], "--")) {
has_dashdash = 1;
break;
}
}
prefix = setup_git_directory();
git_config(git_default_config, NULL);
for (i = 1; i < argc; i++) {
@ -765,6 +777,8 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
}
if (verify)
die_no_single_rev(quiet);
if (has_dashdash)
die("bad revision '%s'", arg);
as_is = 1;
if (!show_file(arg, output_prefix))
continue;

View file

@ -196,4 +196,28 @@ test_expect_success 'dotdot is not an empty set' '
test_cmp expect actual
'
test_expect_success 'arg before dashdash must be a revision (missing)' '
test_must_fail git rev-parse foobar -- 2>stderr &&
test_i18ngrep "bad revision" stderr
'
test_expect_success 'arg before dashdash must be a revision (file)' '
>foobar &&
test_must_fail git rev-parse foobar -- 2>stderr &&
test_i18ngrep "bad revision" stderr
'
test_expect_success 'arg before dashdash must be a revision (ambiguous)' '
>foobar &&
git update-ref refs/heads/foobar HEAD &&
{
# we do not want to use rev-parse here, because
# we are testing it
cat .git/refs/heads/foobar &&
printf "%s\n" --
} >expect &&
git rev-parse foobar -- >actual &&
test_cmp expect actual
'
test_done