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branch: exit status now reflects if branch listing finds an error

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If some refs could not be read when listing branches, this can now be
observed in the exit status of the "git branch" command.

Signed-off-by: Simo Melenius <simo.melenius@iki.fi>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Simo Melenius 2010-06-04 12:50:10 +03:00 committed by Junio C Hamano
parent 7c42e390a3
commit 1603ade813
1 changed files with 19 additions and 6 deletions
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25
builtin/branch.c
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@ -257,9 +257,15 @@ static char *resolve_symref(const char *src, const char *prefix)
return xstrdup(dst);
}
struct append_ref_cb {
struct ref_list *ref_list;
int ret;
};
static int append_ref(const char *refname, const unsigned char *sha1, int flags, void *cb_data)
{
struct ref_list *ref_list = (struct ref_list*)(cb_data);
struct append_ref_cb *cb = (struct append_ref_cb *)(cb_data);
struct ref_list *ref_list = cb->ref_list;
struct ref_item *newitem;
struct commit *commit;
int kind, i;
@ -293,8 +299,10 @@ static int append_ref(const char *refname, const unsigned char *sha1, int flags,
commit = NULL;
if (ref_list->verbose || ref_list->with_commit || merge_filter != NO_FILTER) {
commit = lookup_commit_reference_gently(sha1, 1);
if (!commit)
return error("branch '%s' does not point at a commit", refname);
if (!commit) {
cb->ret = error("branch '%s' does not point at a commit", refname);
return cb->ret;
}
/* Filter with with_commit if specified */
if (!is_descendant_of(commit, ref_list->with_commit))
@ -484,9 +492,10 @@ static void show_detached(struct ref_list *ref_list)
}
}
static void print_ref_list(int kinds, int detached, int verbose, int abbrev, struct commit_list *with_commit)
static int print_ref_list(int kinds, int detached, int verbose, int abbrev, struct commit_list *with_commit)
{
int i;
struct append_ref_cb cb;
struct ref_list ref_list;
memset(&ref_list, 0, sizeof(ref_list));
@ -496,7 +505,9 @@ static void print_ref_list(int kinds, int detached, int verbose, int abbrev, str
ref_list.with_commit = with_commit;
if (merge_filter != NO_FILTER)
init_revisions(&ref_list.revs, NULL);
for_each_rawref(append_ref, &ref_list);
cb.ref_list = &ref_list;
cb.ret = 0;
for_each_rawref(append_ref, &cb);
if (merge_filter != NO_FILTER) {
struct commit *filter;
filter = lookup_commit_reference_gently(merge_filter_ref, 0);
@ -527,6 +538,8 @@ static void print_ref_list(int kinds, int detached, int verbose, int abbrev, str
}
free_ref_list(&ref_list);
return cb.ret;
}
static void rename_branch(const char *oldname, const char *newname, int force)
@ -679,7 +692,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
if (delete)
return delete_branches(argc, argv, delete > 1, kinds);
else if (argc == 0)
print_ref_list(kinds, detached, verbose, abbrev, with_commit);
return print_ref_list(kinds, detached, verbose, abbrev, with_commit);
else if (rename && (argc == 1))
rename_branch(head, argv[0], rename > 1);
else if (rename && (argc == 2))