builtin/apply: move 'update_index' global into 'struct apply_state'

To libify the apply functionality the 'update_index' variable should not be static and global to the file. Let's move it into 'struct apply_state'. Reviewed-by: Stefan Beller <sbeller@google.com> Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Christian Couder committed May 24, 2016 at 10:10 UTC 901f9c6d42dd9857ecdac76413014c1497d34614
1 file changed +26 -19
builtin/apply.c
+26 -19
@@ -28,6 +28,7 @@ struct apply_state {
28 /* These control what gets looked at and modified */
29 int check; /* preimage must match working tree, don't actually apply */
30 int check_index; /* preimage must match the indexed version */
31 + int update_index; /* check_index && apply */
32
33 /* These boolean parameters control how the apply is done */
34 int apply_in_reverse;
@@ -46,7 +47,6 @@ static int newfd = -1;
47
48 static int state_p_value = 1;
49 static int p_value_known;
49 -static int update_index;
50 static int cached;
51 static int diffstat;
52 static int numstat;
@@ -4090,9 +4090,9 @@ static void patch_stats(struct patch *patch)
4090 }
4091 }
4092
4093 -static void remove_file(struct patch *patch, int rmdir_empty)
4093 +static void remove_file(struct apply_state *state, struct patch *patch, int rmdir_empty)
4094 {
4095 - if (update_index) {
4095 + if (state->update_index) {
4096 if (remove_file_from_cache(patch->old_name) < 0)
4097 die(_("unable to remove %s from index"), patch->old_name);
4098 }
@@ -4103,14 +4103,18 @@ static void remove_file(struct patch *patch, int rmdir_empty)
4103 }
4104 }
4105
4106 -static void add_index_file(const char *path, unsigned mode, void *buf, unsigned long size)
4106 +static void add_index_file(struct apply_state *state,
4107 + const char *path,
4108 + unsigned mode,
4109 + void *buf,
4110 + unsigned long size)
4111 {
4112 struct stat st;
4113 struct cache_entry *ce;
4114 int namelen = strlen(path);
4115 unsigned ce_size = cache_entry_size(namelen);
4116
4113 - if (!update_index)
4117 + if (!state->update_index)
4118 return;
4119
4120 ce = xcalloc(1, ce_size);
@@ -4220,13 +4224,14 @@ static void create_one_file(char *path, unsigned mode, const char *buf, unsigned
4224 die_errno(_("unable to write file '%s' mode %o"), path, mode);
4225 }
4226
4223 -static void add_conflicted_stages_file(struct patch *patch)
4227 +static void add_conflicted_stages_file(struct apply_state *state,
4228 + struct patch *patch)
4229 {
4230 int stage, namelen;
4231 unsigned ce_size, mode;
4232 struct cache_entry *ce;
4233
4229 - if (!update_index)
4234 + if (!state->update_index)
4235 return;
4236 namelen = strlen(patch->new_name);
4237 ce_size = cache_entry_size(namelen);
@@ -4247,7 +4252,7 @@ static void add_conflicted_stages_file(struct patch *patch)
4252 }
4253 }
4254
4250 -static void create_file(struct patch *patch)
4255 +static void create_file(struct apply_state *state, struct patch *patch)
4256 {
4257 char *path = patch->new_name;
4258 unsigned mode = patch->new_mode;
@@ -4259,22 +4264,24 @@ static void create_file(struct patch *patch)
4264 create_one_file(path, mode, buf, size);
4265
4266 if (patch->conflicted_threeway)
4262 - add_conflicted_stages_file(patch);
4267 + add_conflicted_stages_file(state, patch);
4268 else
4264 - add_index_file(path, mode, buf, size);
4269 + add_index_file(state, path, mode, buf, size);
4270 }
4271
4272 /* phase zero is to remove, phase one is to create */
4268 -static void write_out_one_result(struct patch *patch, int phase)
4273 +static void write_out_one_result(struct apply_state *state,
4274 + struct patch *patch,
4275 + int phase)
4276 {
4277 if (patch->is_delete > 0) {
4278 if (phase == 0)
4272 - remove_file(patch, 1);
4279 + remove_file(state, patch, 1);
4280 return;
4281 }
4282 if (patch->is_new > 0 || patch->is_copy) {
4283 if (phase == 1)
4277 - create_file(patch);
4284 + create_file(state, patch);
4285 return;
4286 }
4287 /*
@@ -4282,9 +4289,9 @@ static void write_out_one_result(struct patch *patch, int phase)
4289 * thing: remove the old, write the new
4290 */
4291 if (phase == 0)
4285 - remove_file(patch, patch->is_rename);
4292 + remove_file(state, patch, patch->is_rename);
4293 if (phase == 1)
4287 - create_file(patch);
4294 + create_file(state, patch);
4295 }
4296
4297 static int write_out_one_reject(struct apply_state *state, struct patch *patch)
@@ -4371,7 +4378,7 @@ static int write_out_results(struct apply_state *state, struct patch *list)
4378 if (l->rejected)
4379 errs = 1;
4380 else {
4374 - write_out_one_result(l, phase);
4381 + write_out_one_result(state, l, phase);
4382 if (phase == 1) {
4383 if (write_out_one_reject(state, l))
4384 errs = 1;
@@ -4451,8 +4458,8 @@ static int apply_patch(struct apply_state *state,
4458 if (whitespace_error && (ws_error_action == die_on_ws_error))
4459 apply = 0;
4460
4454 - update_index = state->check_index && apply;
4455 - if (update_index && newfd < 0)
4461 + state->update_index = state->check_index && apply;
4462 + if (state->update_index && newfd < 0)
4463 newfd = hold_locked_index(&lock_file, 1);
4464
4465 if (state->check_index) {
@@ -4727,7 +4734,7 @@ int cmd_apply(int argc, const char **argv, const char *prefix)
4734 whitespace_error);
4735 }
4736
4730 - if (update_index) {
4737 + if (state.update_index) {
4738 if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK))
4739 die(_("Unable to write new index file"));
4740 }