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clean: remove unnecessary variable

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The variable `matches` used to hold the return of a `dir_path_match()`
call that was removed in 95c11ecc73 ("Fix error-prone fill_directory()
API; make it only return matches", 2020-04-01). Now `matches` will
always hold 0, which is the value it's initialized with; and the
condition `matches != MATCHED_EXACTLY` will always evaluate to true. So
let's remove this unnecessary variable.

Interestingly, it seems that `matches != MATCHED_EXACTLY` was already
unnecessary before 95c11ecc73. That's because `remove_directories` is
always set to 1 when we have pathspecs; So, in the condition
`!remove_directories && matches != MATCHED_EXACTLY`, we would either:

- have pathspecs (or have been given `-d`) and ignore `matches` because
  `remove_directories` is 1; or

- not have pathspecs (nor `-d`) and end up just checking that
  `0 != MATCHED_EXACTLY`, as `matches` would never get reassigned
  after its zero initialization (because there is no pathspec to match).

Signed-off-by: Matheus Tavares <matheus.bernardino@usp.br>
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Matheus Tavares 2021-05-06 16:33:15 -03:00 committed by Junio C Hamano
parent 6ff7f46039
commit 3a7f0908b6
1 changed files with 1 additions and 3 deletions
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4
builtin/clean.c
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@ -976,7 +976,6 @@ int cmd_clean(int argc, const char **argv, const char *prefix)
for (i = 0; i < dir.nr; i++) {
struct dir_entry *ent = dir.entries[i];
int matches = 0;
struct stat st;
const char *rel;
@ -986,8 +985,7 @@ int cmd_clean(int argc, const char **argv, const char *prefix)
if (lstat(ent->name, &st))
die_errno("Cannot lstat '%s'", ent->name);
if (S_ISDIR(st.st_mode) && !remove_directories &&
matches != MATCHED_EXACTLY)
if (S_ISDIR(st.st_mode) && !remove_directories)
continue;
rel = relative_path(ent->name, prefix, &buf);