[PATCH 07/11] apply: remove `newfd` from `struct apply_state`

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Similar to a previous patch, we do not need to use `newfd` to signal
that we have a lockfile to clean up. We can just unconditionally call
`rollback_lock_file`. If we do not hold the lock, it will be a no-op.

Where we check `newfd` to decide whether we need to take the lock, we
can instead use `is_lock_file_locked()`.

Signed-off-by: Martin Ågren <martin.agren@xxxxxxxxx>
---
 apply.c | 17 ++++++-----------
 apply.h |  3 +--
 2 files changed, 7 insertions(+), 13 deletions(-)

diff --git a/apply.c b/apply.c
index 5a6ca10a7..d676debd5 100644
--- a/apply.c
+++ b/apply.c
@@ -79,7 +79,6 @@ int init_apply_state(struct apply_state *state,
 {
 	memset(state, 0, sizeof(*state));
 	state->prefix = prefix;
-	state->newfd = -1;
 	state->apply = 1;
 	state->line_termination = '\n';
 	state->p_value = 1;
@@ -4705,13 +4704,13 @@ static int apply_patch(struct apply_state *state,
 		state->apply = 0;
 
 	state->update_index = state->check_index && state->apply;
-	if (state->update_index && state->newfd < 0) {
+	if (state->update_index && !is_lock_file_locked(&state->lock_file)) {
 		if (state->index_file)
-			state->newfd = hold_lock_file_for_update(&state->lock_file,
-								 state->index_file,
-								 LOCK_DIE_ON_ERROR);
+			hold_lock_file_for_update(&state->lock_file,
+						  state->index_file,
+						  LOCK_DIE_ON_ERROR);
 		else
-			state->newfd = hold_locked_index(&state->lock_file, LOCK_DIE_ON_ERROR);
+			hold_locked_index(&state->lock_file, LOCK_DIE_ON_ERROR);
 	}
 
 	if (state->check_index && read_apply_cache(state) < 0) {
@@ -4913,16 +4912,12 @@ int apply_all_patches(struct apply_state *state,
 			res = -128;
 			goto end;
 		}
-		state->newfd = -1;
 	}
 
 	res = !!errs;
 
 end:
-	if (state->newfd >= 0) {
-		rollback_lock_file(&state->lock_file);
-		state->newfd = -1;
-	}
+	rollback_lock_file(&state->lock_file);
 
 	if (state->apply_verbosity <= verbosity_silent) {
 		set_error_routine(state->saved_error_routine);
diff --git a/apply.h b/apply.h
index cf00cda17..dc4a01905 100644
--- a/apply.h
+++ b/apply.h
@@ -36,9 +36,8 @@ enum apply_verbosity {
 struct apply_state {
 	const char *prefix;
 
-	/* These are lock_file related */
+	/* Lock file */
 	struct lock_file lock_file;
-	int newfd;
 
 	/* These control what gets looked at and modified */
 	int apply; /* this is not a dry-run */
-- 
2.14.1.727.g9ddaf86




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