git/patch-ids.c
Brandon Williams 0d1e0e7801 diff: make struct diff_flags members lowercase
Now that the flags stored in struct diff_flags are being accessed
directly and not through macros, change all struct members from being
uppercase to lowercase.
This conversion is done using the following semantic patch:

	@@
	expression E;
	@@
	- E.RECURSIVE
	+ E.recursive

	@@
	expression E;
	@@
	- E.TREE_IN_RECURSIVE
	+ E.tree_in_recursive

	@@
	expression E;
	@@
	- E.BINARY
	+ E.binary

	@@
	expression E;
	@@
	- E.TEXT
	+ E.text

	@@
	expression E;
	@@
	- E.FULL_INDEX
	+ E.full_index

	@@
	expression E;
	@@
	- E.SILENT_ON_REMOVE
	+ E.silent_on_remove

	@@
	expression E;
	@@
	- E.FIND_COPIES_HARDER
	+ E.find_copies_harder

	@@
	expression E;
	@@
	- E.FOLLOW_RENAMES
	+ E.follow_renames

	@@
	expression E;
	@@
	- E.RENAME_EMPTY
	+ E.rename_empty

	@@
	expression E;
	@@
	- E.HAS_CHANGES
	+ E.has_changes

	@@
	expression E;
	@@
	- E.QUICK
	+ E.quick

	@@
	expression E;
	@@
	- E.NO_INDEX
	+ E.no_index

	@@
	expression E;
	@@
	- E.ALLOW_EXTERNAL
	+ E.allow_external

	@@
	expression E;
	@@
	- E.EXIT_WITH_STATUS
	+ E.exit_with_status

	@@
	expression E;
	@@
	- E.REVERSE_DIFF
	+ E.reverse_diff

	@@
	expression E;
	@@
	- E.CHECK_FAILED
	+ E.check_failed

	@@
	expression E;
	@@
	- E.RELATIVE_NAME
	+ E.relative_name

	@@
	expression E;
	@@
	- E.IGNORE_SUBMODULES
	+ E.ignore_submodules

	@@
	expression E;
	@@
	- E.DIRSTAT_CUMULATIVE
	+ E.dirstat_cumulative

	@@
	expression E;
	@@
	- E.DIRSTAT_BY_FILE
	+ E.dirstat_by_file

	@@
	expression E;
	@@
	- E.ALLOW_TEXTCONV
	+ E.allow_textconv

	@@
	expression E;
	@@
	- E.TEXTCONV_SET_VIA_CMDLINE
	+ E.textconv_set_via_cmdline

	@@
	expression E;
	@@
	- E.DIFF_FROM_CONTENTS
	+ E.diff_from_contents

	@@
	expression E;
	@@
	- E.DIRTY_SUBMODULES
	+ E.dirty_submodules

	@@
	expression E;
	@@
	- E.IGNORE_UNTRACKED_IN_SUBMODULES
	+ E.ignore_untracked_in_submodules

	@@
	expression E;
	@@
	- E.IGNORE_DIRTY_SUBMODULES
	+ E.ignore_dirty_submodules

	@@
	expression E;
	@@
	- E.OVERRIDE_SUBMODULE_CONFIG
	+ E.override_submodule_config

	@@
	expression E;
	@@
	- E.DIRSTAT_BY_LINE
	+ E.dirstat_by_line

	@@
	expression E;
	@@
	- E.FUNCCONTEXT
	+ E.funccontext

	@@
	expression E;
	@@
	- E.PICKAXE_IGNORE_CASE
	+ E.pickaxe_ignore_case

	@@
	expression E;
	@@
	- E.DEFAULT_FOLLOW_RENAMES
	+ E.default_follow_renames

Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-11-01 11:51:40 +09:00

122 lines
3.2 KiB
C

#include "cache.h"
#include "diff.h"
#include "commit.h"
#include "sha1-lookup.h"
#include "patch-ids.h"
static int patch_id_defined(struct commit *commit)
{
/* must be 0 or 1 parents */
return !commit->parents || !commit->parents->next;
}
int commit_patch_id(struct commit *commit, struct diff_options *options,
struct object_id *oid, int diff_header_only)
{
if (!patch_id_defined(commit))
return -1;
if (commit->parents)
diff_tree_oid(&commit->parents->item->object.oid,
&commit->object.oid, "", options);
else
diff_root_tree_oid(&commit->object.oid, "", options);
diffcore_std(options);
return diff_flush_patch_id(options, oid, diff_header_only);
}
/*
* When we cannot load the full patch-id for both commits for whatever
* reason, the function returns -1 (i.e. return error(...)). Despite
* the "cmp" in the name of this function, the caller only cares about
* the return value being zero (a and b are equivalent) or non-zero (a
* and b are different), and returning non-zero would keep both in the
* result, even if they actually were equivalent, in order to err on
* the side of safety. The actual value being negative does not have
* any significance; only that it is non-zero matters.
*/
static int patch_id_cmp(const void *cmpfn_data,
const void *entry,
const void *entry_or_key,
const void *unused_keydata)
{
/* NEEDSWORK: const correctness? */
struct diff_options *opt = (void *)cmpfn_data;
struct patch_id *a = (void *)entry;
struct patch_id *b = (void *)entry_or_key;
if (is_null_oid(&a->patch_id) &&
commit_patch_id(a->commit, opt, &a->patch_id, 0))
return error("Could not get patch ID for %s",
oid_to_hex(&a->commit->object.oid));
if (is_null_oid(&b->patch_id) &&
commit_patch_id(b->commit, opt, &b->patch_id, 0))
return error("Could not get patch ID for %s",
oid_to_hex(&b->commit->object.oid));
return oidcmp(&a->patch_id, &b->patch_id);
}
int init_patch_ids(struct patch_ids *ids)
{
memset(ids, 0, sizeof(*ids));
diff_setup(&ids->diffopts);
ids->diffopts.detect_rename = 0;
ids->diffopts.flags.recursive = 1;
diff_setup_done(&ids->diffopts);
hashmap_init(&ids->patches, patch_id_cmp, &ids->diffopts, 256);
return 0;
}
int free_patch_ids(struct patch_ids *ids)
{
hashmap_free(&ids->patches, 1);
return 0;
}
static int init_patch_id_entry(struct patch_id *patch,
struct commit *commit,
struct patch_ids *ids)
{
struct object_id header_only_patch_id;
patch->commit = commit;
if (commit_patch_id(commit, &ids->diffopts, &header_only_patch_id, 1))
return -1;
hashmap_entry_init(patch, sha1hash(header_only_patch_id.hash));
return 0;
}
struct patch_id *has_commit_patch_id(struct commit *commit,
struct patch_ids *ids)
{
struct patch_id patch;
if (!patch_id_defined(commit))
return NULL;
memset(&patch, 0, sizeof(patch));
if (init_patch_id_entry(&patch, commit, ids))
return NULL;
return hashmap_get(&ids->patches, &patch, NULL);
}
struct patch_id *add_commit_patch_id(struct commit *commit,
struct patch_ids *ids)
{
struct patch_id *key;
if (!patch_id_defined(commit))
return NULL;
key = xcalloc(1, sizeof(*key));
if (init_patch_id_entry(key, commit, ids)) {
free(key);
return NULL;
}
hashmap_add(&ids->patches, key);
return key;
}