Karthik Nayak <[email protected]> writes:
> Remove the error reporting variable to make the code easier to port
> over to using ref-filter APIs. This variable is not required as in
> ref-filter we already check for possible errors and report them.
Hmmmm. What do you exactly mean "possible errors" here?
Unlike generic refs that can point at anything, refs/heads/* refs
must point at a commit [*1*], and that is why the error message says
'does not point at a commit'.
Does ref-filter API have corresponding check to treat the local and
remote branch hierarchies differently from tags and others?
[Footnote]
*1* Strictly speaking, use of lookup_commit_reference_gently() in
the existing code allows a committish to be there and does not
limit the tip objects to be commits, but I think it is a bug.
At least, even with deref_tag(), we reject non committish found
at the tip of branch refs and explain with the error message
this patch removes.
> Based-on-patch-by: Jeff King <[email protected]>
> Mentored-by: Christian Couder <[email protected]>
> Mentored-by: Matthieu Moy <[email protected]>
> Signed-off-by: Karthik Nayak <[email protected]>
> ---
> builtin/branch.c | 18 ++++--------------
> 1 file changed, 4 insertions(+), 14 deletions(-)
>
> diff --git a/builtin/branch.c b/builtin/branch.c
> index 4d9e4d0..8b9da60 100644
> --- a/builtin/branch.c
> +++ b/builtin/branch.c
> @@ -313,7 +313,6 @@ static char *resolve_symref(const char *src, const char
> *prefix)
> struct append_ref_cb {
> struct ref_list *ref_list;
> const char **pattern;
> - int ret;
> };
>
> static int match_patterns(const char **pattern, const char *refname)
> @@ -370,10 +369,8 @@ static int append_ref(const char *refname, const struct
> object_id *oid, int flag
> commit = NULL;
> if (ref_list->verbose || ref_list->with_commit || merge_filter !=
> NO_FILTER) {
> commit = lookup_commit_reference_gently(oid->hash, 1);
> - if (!commit) {
> - cb->ret = error(_("branch '%s' does not point at a
> commit"), refname);
> + if (!commit)
> return 0;
> - }
>
> /* Filter with with_commit if specified */
> if (!is_descendant_of(commit, ref_list->with_commit))
> @@ -617,7 +614,7 @@ static int calc_maxwidth(struct ref_list *refs, int
> remote_bonus)
> return max;
> }
>
> -static int print_ref_list(int kinds, int detached, int verbose, int abbrev,
> struct commit_list *with_commit, const char **pattern)
> +static void print_ref_list(int kinds, int detached, int verbose, int abbrev,
> struct commit_list *with_commit, const char **pattern)
> {
> int i, index;
> struct append_ref_cb cb;
> @@ -642,7 +639,6 @@ static int print_ref_list(int kinds, int detached, int
> verbose, int abbrev, stru
> init_revisions(&ref_list.revs, NULL);
> cb.ref_list = &ref_list;
> cb.pattern = pattern;
> - cb.ret = 0;
> /*
> * First we obtain all regular branch refs and if the HEAD is
> * detached then we insert that ref to the end of the ref_fist
> @@ -702,11 +698,6 @@ static int print_ref_list(int kinds, int detached, int
> verbose, int abbrev, stru
> abbrev, detached, remote_prefix);
>
> free_ref_list(&ref_list);
> -
> - if (cb.ret)
> - error(_("some refs could not be read"));
> -
> - return cb.ret;
> }
>
> static void rename_branch(const char *oldname, const char *newname, int
> force)
> @@ -922,15 +913,14 @@ int cmd_branch(int argc, const char **argv, const char
> *prefix)
> die(_("branch name required"));
> return delete_branches(argc, argv, delete > 1, kinds, quiet);
> } else if (list) {
> - int ret;
> /* git branch --local also shows HEAD when it is detached */
> if (kinds & REF_LOCAL_BRANCH)
> kinds |= REF_DETACHED_HEAD;
> - ret = print_ref_list(kinds, detached, verbose, abbrev,
> + print_ref_list(kinds, detached, verbose, abbrev,
> with_commit, argv);
> print_columns(&output, colopts, NULL);
> string_list_clear(&output, 0);
> - return ret;
> + return 0;
> }
> else if (edit_description) {
> const char *branch_name;
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