THIS IS A TEST INSTANCE ONLY! REPOSITORIES CAN BE DELETED AT ANY TIME!

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diff.c: reduce implicit dependency on the_index

diff and textconv code has so widespread use that it's hard to simply
update their api and all call sites at once because it would result in
a big patch. For now reduce the_index references to two places:
diff_setup() and fill_textconv().

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
tags/v2.20.0-rc0
Nguyễn Thái Ngọc Duy 1 year ago
parent
commit
b78ea5fc35
8 changed files with 161 additions and 112 deletions
  1. 1
    0
      builtin/reset.c
  2. 102
    74
      diff.c
  3. 3
    0
      diff.h
  4. 7
    5
      diffcore-break.c
  5. 7
    5
      diffcore-delta.c
  6. 22
    13
      diffcore-rename.c
  7. 7
    6
      diffcore.h
  8. 12
    9
      line-log.c

+ 1
- 0
builtin/reset.c View File

@@ -159,6 +159,7 @@ static int read_from_tree(const struct pathspec *pathspec,
opt.format_callback = update_index_from_diff;
opt.format_callback_data = &intent_to_add;
opt.flags.override_submodule_config = 1;
opt.repo = the_repository;

if (do_diff_cache(tree_oid, &opt))
return 1;

+ 102
- 74
diff.c View File

@@ -554,14 +554,15 @@ static int count_lines(const char *data, int size)
return count;
}

static int fill_mmfile(mmfile_t *mf, struct diff_filespec *one)
static int fill_mmfile(struct repository *r, mmfile_t *mf,
struct diff_filespec *one)
{
if (!DIFF_FILE_VALID(one)) {
mf->ptr = (char *)""; /* does not matter */
mf->size = 0;
return 0;
}
else if (diff_populate_filespec(one, 0))
else if (diff_populate_filespec(r, one, 0))
return -1;

mf->ptr = one->data;
@@ -570,11 +571,12 @@ static int fill_mmfile(mmfile_t *mf, struct diff_filespec *one)
}

/* like fill_mmfile, but only for size, so we can avoid retrieving blob */
static unsigned long diff_filespec_size(struct diff_filespec *one)
static unsigned long diff_filespec_size(struct repository *r,
struct diff_filespec *one)
{
if (!DIFF_FILE_VALID(one))
return 0;
diff_populate_filespec(one, CHECK_SIZE_ONLY);
diff_populate_filespec(r, one, CHECK_SIZE_ONLY);
return one->size;
}

@@ -2965,18 +2967,19 @@ static void show_dirstat(struct diff_options *options)
}

if (DIFF_FILE_VALID(p->one) && DIFF_FILE_VALID(p->two)) {
diff_populate_filespec(p->one, 0);
diff_populate_filespec(p->two, 0);
diffcore_count_changes(p->one, p->two, NULL, NULL,
diff_populate_filespec(options->repo, p->one, 0);
diff_populate_filespec(options->repo, p->two, 0);
diffcore_count_changes(options->repo,
p->one, p->two, NULL, NULL,
&copied, &added);
diff_free_filespec_data(p->one);
diff_free_filespec_data(p->two);
} else if (DIFF_FILE_VALID(p->one)) {
diff_populate_filespec(p->one, CHECK_SIZE_ONLY);
diff_populate_filespec(options->repo, p->one, CHECK_SIZE_ONLY);
copied = added = 0;
diff_free_filespec_data(p->one);
} else if (DIFF_FILE_VALID(p->two)) {
diff_populate_filespec(p->two, CHECK_SIZE_ONLY);
diff_populate_filespec(options->repo, p->two, CHECK_SIZE_ONLY);
copied = 0;
added = p->two->size;
diff_free_filespec_data(p->two);
@@ -3250,7 +3253,8 @@ static void emit_binary_diff(struct diff_options *o,
emit_binary_diff_body(o, two, one);
}

int diff_filespec_is_binary(struct diff_filespec *one)
int diff_filespec_is_binary(struct repository *r,
struct diff_filespec *one)
{
if (one->is_binary == -1) {
diff_filespec_load_driver(one);
@@ -3258,7 +3262,7 @@ int diff_filespec_is_binary(struct diff_filespec *one)
one->is_binary = one->driver->binary;
else {
if (!one->data && DIFF_FILE_VALID(one))
diff_populate_filespec(one, CHECK_BINARY);
diff_populate_filespec(r, one, CHECK_BINARY);
if (one->is_binary == -1 && one->data)
one->is_binary = buffer_is_binary(one->data,
one->size);
@@ -3380,13 +3384,13 @@ static void builtin_diff(const char *name_a,
if ((one->mode ^ two->mode) & S_IFMT)
goto free_ab_and_return;
if (complete_rewrite &&
(textconv_one || !diff_filespec_is_binary(one)) &&
(textconv_two || !diff_filespec_is_binary(two))) {
(textconv_one || !diff_filespec_is_binary(o->repo, one)) &&
(textconv_two || !diff_filespec_is_binary(o->repo, two))) {
emit_diff_symbol(o, DIFF_SYMBOL_HEADER,
header.buf, header.len, 0);
strbuf_reset(&header);
emit_rewrite_diff(name_a, name_b, one, two,
textconv_one, textconv_two, o);
textconv_one, textconv_two, o);
o->found_changes = 1;
goto free_ab_and_return;
}
@@ -3398,8 +3402,8 @@ static void builtin_diff(const char *name_a,
strbuf_reset(&header);
goto free_ab_and_return;
} else if (!o->flags.text &&
( (!textconv_one && diff_filespec_is_binary(one)) ||
(!textconv_two && diff_filespec_is_binary(two)) )) {
( (!textconv_one && diff_filespec_is_binary(o->repo, one)) ||
(!textconv_two && diff_filespec_is_binary(o->repo, two)) )) {
struct strbuf sb = STRBUF_INIT;
if (!one->data && !two->data &&
S_ISREG(one->mode) && S_ISREG(two->mode) &&
@@ -3420,7 +3424,8 @@ static void builtin_diff(const char *name_a,
strbuf_release(&sb);
goto free_ab_and_return;
}
if (fill_mmfile(&mf1, one) < 0 || fill_mmfile(&mf2, two) < 0)
if (fill_mmfile(o->repo, &mf1, one) < 0 ||
fill_mmfile(o->repo, &mf2, two) < 0)
die("unable to read files to diff");
/* Quite common confusing case */
if (mf1.size == mf2.size &&
@@ -3571,20 +3576,21 @@ static void builtin_diffstat(const char *name_a, const char *name_b,

same_contents = !oidcmp(&one->oid, &two->oid);

if (diff_filespec_is_binary(one) || diff_filespec_is_binary(two)) {
if (diff_filespec_is_binary(o->repo, one) ||
diff_filespec_is_binary(o->repo, two)) {
data->is_binary = 1;
if (same_contents) {
data->added = 0;
data->deleted = 0;
} else {
data->added = diff_filespec_size(two);
data->deleted = diff_filespec_size(one);
data->added = diff_filespec_size(o->repo, two);
data->deleted = diff_filespec_size(o->repo, one);
}
}

else if (complete_rewrite) {
diff_populate_filespec(one, 0);
diff_populate_filespec(two, 0);
diff_populate_filespec(o->repo, one, 0);
diff_populate_filespec(o->repo, two, 0);
data->deleted = count_lines(one->data, one->size);
data->added = count_lines(two->data, two->size);
}
@@ -3594,7 +3600,8 @@ static void builtin_diffstat(const char *name_a, const char *name_b,
xpparam_t xpp;
xdemitconf_t xecfg;

if (fill_mmfile(&mf1, one) < 0 || fill_mmfile(&mf2, two) < 0)
if (fill_mmfile(o->repo, &mf1, one) < 0 ||
fill_mmfile(o->repo, &mf2, two) < 0)
die("unable to read files to diff");

memset(&xpp, 0, sizeof(xpp));
@@ -3632,7 +3639,8 @@ static void builtin_checkdiff(const char *name_a, const char *name_b,
data.ws_rule = whitespace_rule(attr_path);
data.conflict_marker_size = ll_merge_marker_size(attr_path);

if (fill_mmfile(&mf1, one) < 0 || fill_mmfile(&mf2, two) < 0)
if (fill_mmfile(o->repo, &mf1, one) < 0 ||
fill_mmfile(o->repo, &mf2, two) < 0)
die("unable to read files to diff");

/*
@@ -3641,7 +3649,7 @@ static void builtin_checkdiff(const char *name_a, const char *name_b,
* introduced changes, and as long as the "new" side is text, we
* can and should check what it introduces.
*/
if (diff_filespec_is_binary(two))
if (diff_filespec_is_binary(o->repo, two))
goto free_and_return;
else {
/* Crazy xdl interfaces.. */
@@ -3714,7 +3722,10 @@ void fill_filespec(struct diff_filespec *spec, const struct object_id *oid,
* the work tree has that object contents, return true, so that
* prepare_temp_file() does not have to inflate and extract.
*/
static int reuse_worktree_file(const char *name, const struct object_id *oid, int want_file)
static int reuse_worktree_file(struct index_state *istate,
const char *name,
const struct object_id *oid,
int want_file)
{
const struct cache_entry *ce;
struct stat st;
@@ -3733,7 +3744,7 @@ static int reuse_worktree_file(const char *name, const struct object_id *oid, in
* by diff-cache --cached, which does read the cache before
* calling us.
*/
if (!active_cache)
if (!istate->cache)
return 0;

/* We want to avoid the working directory if our caller
@@ -3752,14 +3763,14 @@ static int reuse_worktree_file(const char *name, const struct object_id *oid, in
* Similarly, if we'd have to convert the file contents anyway, that
* makes the optimization not worthwhile.
*/
if (!want_file && would_convert_to_git(&the_index, name))
if (!want_file && would_convert_to_git(istate, name))
return 0;

len = strlen(name);
pos = cache_name_pos(name, len);
pos = index_name_pos(istate, name, len);
if (pos < 0)
return 0;
ce = active_cache[pos];
ce = istate->cache[pos];

/*
* This is not the sha1 we are looking for, or
@@ -3779,7 +3790,7 @@ static int reuse_worktree_file(const char *name, const struct object_id *oid, in
* If ce matches the file in the work tree, we can reuse it.
*/
if (ce_uptodate(ce) ||
(!lstat(name, &st) && !ce_match_stat(ce, &st, 0)))
(!lstat(name, &st) && !ie_match_stat(istate, ce, &st, 0)))
return 1;

return 0;
@@ -3812,7 +3823,9 @@ static int diff_populate_gitlink(struct diff_filespec *s, int size_only)
* grab the data for the blob (or file) for our own in-core comparison.
* diff_filespec has data and size fields for this purpose.
*/
int diff_populate_filespec(struct diff_filespec *s, unsigned int flags)
int diff_populate_filespec(struct repository *r,
struct diff_filespec *s,
unsigned int flags)
{
int size_only = flags & CHECK_SIZE_ONLY;
int err = 0;
@@ -3839,7 +3852,7 @@ int diff_populate_filespec(struct diff_filespec *s, unsigned int flags)
return diff_populate_gitlink(s, size_only);

if (!s->oid_valid ||
reuse_worktree_file(s->path, &s->oid, 0)) {
reuse_worktree_file(r->index, s->path, &s->oid, 0)) {
struct strbuf buf = STRBUF_INIT;
struct stat st;
int fd;
@@ -3872,7 +3885,7 @@ int diff_populate_filespec(struct diff_filespec *s, unsigned int flags)
* point if the path requires us to run the content
* conversion.
*/
if (size_only && !would_convert_to_git(&the_index, s->path))
if (size_only && !would_convert_to_git(r->index, s->path))
return 0;

/*
@@ -3899,7 +3912,7 @@ int diff_populate_filespec(struct diff_filespec *s, unsigned int flags)
/*
* Convert from working tree format to canonical git format
*/
if (convert_to_git(&the_index, s->path, s->data, s->size, &buf, conv_flags)) {
if (convert_to_git(r->index, s->path, s->data, s->size, &buf, conv_flags)) {
size_t size = 0;
munmap(s->data, s->size);
s->should_munmap = 0;
@@ -3911,8 +3924,7 @@ int diff_populate_filespec(struct diff_filespec *s, unsigned int flags)
else {
enum object_type type;
if (size_only || (flags & CHECK_BINARY)) {
type = oid_object_info(the_repository, &s->oid,
&s->size);
type = oid_object_info(r, &s->oid, &s->size);
if (type < 0)
die("unable to read %s",
oid_to_hex(&s->oid));
@@ -3950,7 +3962,8 @@ void diff_free_filespec_data(struct diff_filespec *s)
FREE_AND_NULL(s->cnt_data);
}

static void prep_temp_blob(const char *path, struct diff_tempfile *temp,
static void prep_temp_blob(struct index_state *istate,
const char *path, struct diff_tempfile *temp,
void *blob,
unsigned long size,
const struct object_id *oid,
@@ -3968,7 +3981,7 @@ static void prep_temp_blob(const char *path, struct diff_tempfile *temp,
temp->tempfile = mks_tempfile_ts(tempfile.buf, strlen(base) + 1);
if (!temp->tempfile)
die_errno("unable to create temp-file");
if (convert_to_working_tree(&the_index, path,
if (convert_to_working_tree(istate, path,
(const char *)blob, (size_t)size, &buf)) {
blob = buf.buf;
size = buf.len;
@@ -3984,8 +3997,9 @@ static void prep_temp_blob(const char *path, struct diff_tempfile *temp,
free(path_dup);
}

static struct diff_tempfile *prepare_temp_file(const char *name,
struct diff_filespec *one)
static struct diff_tempfile *prepare_temp_file(struct repository *r,
const char *name,
struct diff_filespec *one)
{
struct diff_tempfile *temp = claim_diff_tempfile();

@@ -4002,7 +4016,7 @@ static struct diff_tempfile *prepare_temp_file(const char *name,

if (!S_ISGITLINK(one->mode) &&
(!one->oid_valid ||
reuse_worktree_file(name, &one->oid, 1))) {
reuse_worktree_file(r->index, name, &one->oid, 1))) {
struct stat st;
if (lstat(name, &st) < 0) {
if (errno == ENOENT)
@@ -4013,7 +4027,7 @@ static struct diff_tempfile *prepare_temp_file(const char *name,
struct strbuf sb = STRBUF_INIT;
if (strbuf_readlink(&sb, name, st.st_size) < 0)
die_errno("readlink(%s)", name);
prep_temp_blob(name, temp, sb.buf, sb.len,
prep_temp_blob(r->index, name, temp, sb.buf, sb.len,
(one->oid_valid ?
&one->oid : &null_oid),
(one->oid_valid ?
@@ -4038,19 +4052,21 @@ static struct diff_tempfile *prepare_temp_file(const char *name,
return temp;
}
else {
if (diff_populate_filespec(one, 0))
if (diff_populate_filespec(r, one, 0))
die("cannot read data blob for %s", one->path);
prep_temp_blob(name, temp, one->data, one->size,
prep_temp_blob(r->index, name, temp,
one->data, one->size,
&one->oid, one->mode);
}
return temp;
}

static void add_external_diff_name(struct argv_array *argv,
static void add_external_diff_name(struct repository *r,
struct argv_array *argv,
const char *name,
struct diff_filespec *df)
{
struct diff_tempfile *temp = prepare_temp_file(name, df);
struct diff_tempfile *temp = prepare_temp_file(r, name, df);
argv_array_push(argv, temp->name);
argv_array_push(argv, temp->hex);
argv_array_push(argv, temp->mode);
@@ -4079,11 +4095,11 @@ static void run_external_diff(const char *pgm,
argv_array_push(&argv, name);

if (one && two) {
add_external_diff_name(&argv, name, one);
add_external_diff_name(o->repo, &argv, name, one);
if (!other)
add_external_diff_name(&argv, name, two);
add_external_diff_name(o->repo, &argv, name, two);
else {
add_external_diff_name(&argv, other, two);
add_external_diff_name(o->repo, &argv, other, two);
argv_array_push(&argv, other);
argv_array_push(&argv, xfrm_msg);
}
@@ -4176,8 +4192,10 @@ static void fill_metainfo(struct strbuf *msg,

if (o->flags.binary) {
mmfile_t mf;
if ((!fill_mmfile(&mf, one) && diff_filespec_is_binary(one)) ||
(!fill_mmfile(&mf, two) && diff_filespec_is_binary(two)))
if ((!fill_mmfile(o->repo, &mf, one) &&
diff_filespec_is_binary(o->repo, one)) ||
(!fill_mmfile(o->repo, &mf, two) &&
diff_filespec_is_binary(o->repo, two)))
abbrev = hexsz;
}
strbuf_addf(msg, "%s%sindex %s..%s", line_prefix, set,
@@ -4305,7 +4323,8 @@ static void run_diff(struct diff_filepair *p, struct diff_options *o)
*/
struct diff_filespec *null = alloc_filespec(two->path);
run_diff_cmd(NULL, name, other, attr_path,
one, null, &msg, o, p);
one, null, &msg,
o, p);
free(null);
strbuf_release(&msg);

@@ -4329,7 +4348,8 @@ static void run_diffstat(struct diff_filepair *p, struct diff_options *o,

if (DIFF_PAIR_UNMERGED(p)) {
/* unmerged */
builtin_diffstat(p->one->path, NULL, NULL, NULL, diffstat, o, p);
builtin_diffstat(p->one->path, NULL, NULL, NULL,
diffstat, o, p);
return;
}

@@ -4342,7 +4362,8 @@ static void run_diffstat(struct diff_filepair *p, struct diff_options *o,
diff_fill_oid_info(p->one);
diff_fill_oid_info(p->two);

builtin_diffstat(name, other, p->one, p->two, diffstat, o, p);
builtin_diffstat(name, other, p->one, p->two,
diffstat, o, p);
}

static void run_checkdiff(struct diff_filepair *p, struct diff_options *o)
@@ -4374,6 +4395,7 @@ void diff_setup(struct diff_options *options)
memcpy(options, &default_diff_options, sizeof(*options));

options->file = stdout;
options->repo->index = &the_index;

options->abbrev = DEFAULT_ABBREV;
options->line_termination = '\n';
@@ -5696,12 +5718,12 @@ static int diff_get_patch_id(struct diff_options *options, struct object_id *oid
if (diff_header_only)
continue;

if (fill_mmfile(&mf1, p->one) < 0 ||
fill_mmfile(&mf2, p->two) < 0)
if (fill_mmfile(options->repo, &mf1, p->one) < 0 ||
fill_mmfile(options->repo, &mf2, p->two) < 0)
return error("unable to read files to diff");

if (diff_filespec_is_binary(p->one) ||
diff_filespec_is_binary(p->two)) {
if (diff_filespec_is_binary(options->repo, p->one) ||
diff_filespec_is_binary(options->repo, p->two)) {
git_SHA1_Update(&ctx, oid_to_hex(&p->one->oid),
GIT_SHA1_HEXSZ);
git_SHA1_Update(&ctx, oid_to_hex(&p->two->oid),
@@ -6004,19 +6026,21 @@ static void diffcore_apply_filter(struct diff_options *options)
}

/* Check whether two filespecs with the same mode and size are identical */
static int diff_filespec_is_identical(struct diff_filespec *one,
static int diff_filespec_is_identical(struct repository *r,
struct diff_filespec *one,
struct diff_filespec *two)
{
if (S_ISGITLINK(one->mode))
return 0;
if (diff_populate_filespec(one, 0))
if (diff_populate_filespec(r, one, 0))
return 0;
if (diff_populate_filespec(two, 0))
if (diff_populate_filespec(r, two, 0))
return 0;
return !memcmp(one->data, two->data, one->size);
}

static int diff_filespec_check_stat_unmatch(struct diff_filepair *p)
static int diff_filespec_check_stat_unmatch(struct repository *r,
struct diff_filepair *p)
{
if (p->done_skip_stat_unmatch)
return p->skip_stat_unmatch_result;
@@ -6040,10 +6064,10 @@ static int diff_filespec_check_stat_unmatch(struct diff_filepair *p)
!DIFF_FILE_VALID(p->two) ||
(p->one->oid_valid && p->two->oid_valid) ||
(p->one->mode != p->two->mode) ||
diff_populate_filespec(p->one, CHECK_SIZE_ONLY) ||
diff_populate_filespec(p->two, CHECK_SIZE_ONLY) ||
diff_populate_filespec(r, p->one, CHECK_SIZE_ONLY) ||
diff_populate_filespec(r, p->two, CHECK_SIZE_ONLY) ||
(p->one->size != p->two->size) ||
!diff_filespec_is_identical(p->one, p->two)) /* (2) */
!diff_filespec_is_identical(r, p->one, p->two)) /* (2) */
p->skip_stat_unmatch_result = 1;
return p->skip_stat_unmatch_result;
}
@@ -6058,7 +6082,7 @@ static void diffcore_skip_stat_unmatch(struct diff_options *diffopt)
for (i = 0; i < q->nr; i++) {
struct diff_filepair *p = q->queue[i];

if (diff_filespec_check_stat_unmatch(p))
if (diff_filespec_check_stat_unmatch(diffopt->repo, p))
diff_q(&outq, p);
else {
/*
@@ -6100,7 +6124,8 @@ void diffcore_std(struct diff_options *options)
if (!options->found_follow) {
/* See try_to_follow_renames() in tree-diff.c */
if (options->break_opt != -1)
diffcore_break(options->break_opt);
diffcore_break(options->repo,
options->break_opt);
if (options->detect_rename)
diffcore_rename(options);
if (options->break_opt != -1)
@@ -6251,7 +6276,7 @@ void diff_change(struct diff_options *options,
return;

if (options->flags.quick && options->skip_stat_unmatch &&
!diff_filespec_check_stat_unmatch(p))
!diff_filespec_check_stat_unmatch(options->repo, p))
return;

options->flags.has_changes = 1;
@@ -6273,8 +6298,10 @@ struct diff_filepair *diff_unmerge(struct diff_options *options, const char *pat
return pair;
}

static char *run_textconv(const char *pgm, struct diff_filespec *spec,
size_t *outsize)
static char *run_textconv(struct repository *r,
const char *pgm,
struct diff_filespec *spec,
size_t *outsize)
{
struct diff_tempfile *temp;
const char *argv[3];
@@ -6283,7 +6310,7 @@ static char *run_textconv(const char *pgm, struct diff_filespec *spec,
struct strbuf buf = STRBUF_INIT;
int err = 0;

temp = prepare_temp_file(spec->path, spec);
temp = prepare_temp_file(r, spec->path, spec);
*arg++ = pgm;
*arg++ = temp->name;
*arg = NULL;
@@ -6314,6 +6341,7 @@ size_t fill_textconv(struct userdiff_driver *driver,
struct diff_filespec *df,
char **outbuf)
{
struct repository *r = the_repository;
size_t size;

if (!driver) {
@@ -6321,7 +6349,7 @@ size_t fill_textconv(struct userdiff_driver *driver,
*outbuf = "";
return 0;
}
if (diff_populate_filespec(df, 0))
if (diff_populate_filespec(r, df, 0))
die("unable to read files to diff");
*outbuf = df->data;
return df->size;
@@ -6338,7 +6366,7 @@ size_t fill_textconv(struct userdiff_driver *driver,
return size;
}

*outbuf = run_textconv(driver->textconv, df, &size);
*outbuf = run_textconv(r, driver->textconv, df, &size);
if (!*outbuf)
die("unable to read files to diff");


+ 3
- 0
diff.h View File

@@ -18,6 +18,7 @@ struct userdiff_driver;
struct oid_array;
struct commit;
struct combine_diff_path;
struct repository;

typedef int (*pathchange_fn_t)(struct diff_options *options,
struct combine_diff_path *path);
@@ -220,6 +221,8 @@ struct diff_options {
/* XDF_WHITESPACE_FLAGS regarding block detection are set at 2, 3, 4 */
#define COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE (1<<5)
int color_moved_ws_handling;

struct repository *repo;
};

void diff_emit_submodule_del(struct diff_options *o, const char *line);

+ 7
- 5
diffcore-break.c View File

@@ -5,7 +5,8 @@
#include "diff.h"
#include "diffcore.h"

static int should_break(struct diff_filespec *src,
static int should_break(struct repository *r,
struct diff_filespec *src,
struct diff_filespec *dst,
int break_score,
int *merge_score_p)
@@ -61,7 +62,8 @@ static int should_break(struct diff_filespec *src,
!oidcmp(&src->oid, &dst->oid))
return 0; /* they are the same */

if (diff_populate_filespec(src, 0) || diff_populate_filespec(dst, 0))
if (diff_populate_filespec(r, src, 0) ||
diff_populate_filespec(r, dst, 0))
return 0; /* error but caught downstream */

max_size = ((src->size > dst->size) ? src->size : dst->size);
@@ -71,7 +73,7 @@ static int should_break(struct diff_filespec *src,
if (!src->size)
return 0; /* we do not let empty files get renamed */

if (diffcore_count_changes(src, dst,
if (diffcore_count_changes(r, src, dst,
&src->cnt_data, &dst->cnt_data,
&src_copied, &literal_added))
return 0;
@@ -114,7 +116,7 @@ static int should_break(struct diff_filespec *src,
return 1;
}

void diffcore_break(int break_score)
void diffcore_break(struct repository *r, int break_score)
{
struct diff_queue_struct *q = &diff_queued_diff;
struct diff_queue_struct outq;
@@ -178,7 +180,7 @@ void diffcore_break(int break_score)
object_type(p->one->mode) == OBJ_BLOB &&
object_type(p->two->mode) == OBJ_BLOB &&
!strcmp(p->one->path, p->two->path)) {
if (should_break(p->one, p->two,
if (should_break(r, p->one, p->two,
break_score, &score)) {
/* Split this into delete and create */
struct diff_filespec *null_one, *null_two;

+ 7
- 5
diffcore-delta.c View File

@@ -121,14 +121,15 @@ static int spanhash_cmp(const void *a_, const void *b_)
a->hashval > b->hashval ? 1 : 0;
}

static struct spanhash_top *hash_chars(struct diff_filespec *one)
static struct spanhash_top *hash_chars(struct repository *r,
struct diff_filespec *one)
{
int i, n;
unsigned int accum1, accum2, hashval;
struct spanhash_top *hash;
unsigned char *buf = one->data;
unsigned int sz = one->size;
int is_text = !diff_filespec_is_binary(one);
int is_text = !diff_filespec_is_binary(r, one);

i = INITIAL_HASH_SIZE;
hash = xmalloc(st_add(sizeof(*hash),
@@ -162,7 +163,8 @@ static struct spanhash_top *hash_chars(struct diff_filespec *one)
return hash;
}

int diffcore_count_changes(struct diff_filespec *src,
int diffcore_count_changes(struct repository *r,
struct diff_filespec *src,
struct diff_filespec *dst,
void **src_count_p,
void **dst_count_p,
@@ -177,14 +179,14 @@ int diffcore_count_changes(struct diff_filespec *src,
if (src_count_p)
src_count = *src_count_p;
if (!src_count) {
src_count = hash_chars(src);
src_count = hash_chars(r, src);
if (src_count_p)
*src_count_p = src_count;
}
if (dst_count_p)
dst_count = *dst_count_p;
if (!dst_count) {
dst_count = hash_chars(dst);
dst_count = hash_chars(r, dst);
if (dst_count_p)
*dst_count_p = dst_count;
}

+ 22
- 13
diffcore-rename.c View File

@@ -128,7 +128,8 @@ struct diff_score {
short name_score;
};

static int estimate_similarity(struct diff_filespec *src,
static int estimate_similarity(struct repository *r,
struct diff_filespec *src,
struct diff_filespec *dst,
int minimum_score)
{
@@ -165,10 +166,10 @@ static int estimate_similarity(struct diff_filespec *src,
* say whether the size is valid or not!)
*/
if (!src->cnt_data &&
diff_populate_filespec(src, CHECK_SIZE_ONLY))
diff_populate_filespec(r, src, CHECK_SIZE_ONLY))
return 0;
if (!dst->cnt_data &&
diff_populate_filespec(dst, CHECK_SIZE_ONLY))
diff_populate_filespec(r, dst, CHECK_SIZE_ONLY))
return 0;

max_size = ((src->size > dst->size) ? src->size : dst->size);
@@ -186,12 +187,12 @@ static int estimate_similarity(struct diff_filespec *src,
if (max_size * (MAX_SCORE-minimum_score) < delta_size * MAX_SCORE)
return 0;

if (!src->cnt_data && diff_populate_filespec(src, 0))
if (!src->cnt_data && diff_populate_filespec(r, src, 0))
return 0;
if (!dst->cnt_data && diff_populate_filespec(dst, 0))
if (!dst->cnt_data && diff_populate_filespec(r, dst, 0))
return 0;

if (diffcore_count_changes(src, dst,
if (diffcore_count_changes(r, src, dst,
&src->cnt_data, &dst->cnt_data,
&src_copied, &literal_added))
return 0;
@@ -256,10 +257,11 @@ struct file_similarity {
struct diff_filespec *filespec;
};

static unsigned int hash_filespec(struct diff_filespec *filespec)
static unsigned int hash_filespec(struct repository *r,
struct diff_filespec *filespec)
{
if (!filespec->oid_valid) {
if (diff_populate_filespec(filespec, 0))
if (diff_populate_filespec(r, filespec, 0))
return 0;
hash_object_file(filespec->data, filespec->size, "blob",
&filespec->oid);
@@ -280,7 +282,9 @@ static int find_identical_files(struct hashmap *srcs,
/*
* Find the best source match for specified destination.
*/
p = hashmap_get_from_hash(srcs, hash_filespec(target), NULL);
p = hashmap_get_from_hash(srcs,
hash_filespec(options->repo, target),
NULL);
for (; p; p = hashmap_get_next(srcs, p)) {
int score;
struct diff_filespec *source = p->filespec;
@@ -316,14 +320,16 @@ static int find_identical_files(struct hashmap *srcs,
return renames;
}

static void insert_file_table(struct hashmap *table, int index, struct diff_filespec *filespec)
static void insert_file_table(struct repository *r,
struct hashmap *table, int index,
struct diff_filespec *filespec)
{
struct file_similarity *entry = xmalloc(sizeof(*entry));

entry->index = index;
entry->filespec = filespec;

hashmap_entry_init(entry, hash_filespec(filespec));
hashmap_entry_init(entry, hash_filespec(r, filespec));
hashmap_add(table, entry);
}

@@ -344,7 +350,9 @@ static int find_exact_renames(struct diff_options *options)
*/
hashmap_init(&file_table, NULL, NULL, rename_src_nr);
for (i = rename_src_nr-1; i >= 0; i--)
insert_file_table(&file_table, i, rename_src[i].p->one);
insert_file_table(options->repo,
&file_table, i,
rename_src[i].p->one);

/* Walk the destinations and find best source match */
for (i = 0; i < rename_dst_nr; i++)
@@ -557,7 +565,8 @@ void diffcore_rename(struct diff_options *options)
diff_unmodified_pair(rename_src[j].p))
continue;

this_src.score = estimate_similarity(one, two,
this_src.score = estimate_similarity(options->repo,
one, two,
minimum_score);
this_src.name_score = basename_same(one, two);
this_src.dst = i;

+ 7
- 6
diffcore.h View File

@@ -7,6 +7,8 @@
#include "cache.h"

struct diff_options;
struct repository;
struct userdiff_driver;

/* This header file is internal between diff.c and its diff transformers
* (e.g. diffcore-rename, diffcore-pickaxe). Never include this header
@@ -26,8 +28,6 @@ struct diff_options;

#define MINIMUM_BREAK_SIZE 400 /* do not break a file smaller than this */

struct userdiff_driver;

struct diff_filespec {
struct object_id oid;
char *path;
@@ -61,10 +61,10 @@ void fill_filespec(struct diff_filespec *, const struct object_id *,

#define CHECK_SIZE_ONLY 1
#define CHECK_BINARY 2
int diff_populate_filespec(struct diff_filespec *, unsigned int);
int diff_populate_filespec(struct repository *, struct diff_filespec *, unsigned int);
void diff_free_filespec_data(struct diff_filespec *);
void diff_free_filespec_blob(struct diff_filespec *);
int diff_filespec_is_binary(struct diff_filespec *);
int diff_filespec_is_binary(struct repository *, struct diff_filespec *);

struct diff_filepair {
struct diff_filespec *one;
@@ -111,7 +111,7 @@ struct diff_filepair *diff_queue(struct diff_queue_struct *,
struct diff_filespec *);
void diff_q(struct diff_queue_struct *, struct diff_filepair *);

void diffcore_break(int);
void diffcore_break(struct repository *, int);
void diffcore_rename(struct diff_options *);
void diffcore_merge_broken(void);
void diffcore_pickaxe(struct diff_options *);
@@ -142,7 +142,8 @@ void diff_debug_queue(const char *, struct diff_queue_struct *);
#define diff_debug_queue(a,b) do { /* nothing */ } while (0)
#endif

int diffcore_count_changes(struct diff_filespec *src,
int diffcore_count_changes(struct repository *r,
struct diff_filespec *src,
struct diff_filespec *dst,
void **src_count_p,
void **dst_count_p,

+ 12
- 9
line-log.c View File

@@ -508,7 +508,9 @@ static void fill_blob_sha1(struct commit *commit, struct diff_filespec *spec)
return;
}

static void fill_line_ends(struct diff_filespec *spec, long *lines,
static void fill_line_ends(struct repository *r,
struct diff_filespec *spec,
long *lines,
unsigned long **line_ends)
{
int num = 0, size = 50;
@@ -516,7 +518,7 @@ static void fill_line_ends(struct diff_filespec *spec, long *lines,
unsigned long *ends = NULL;
char *data = NULL;

if (diff_populate_filespec(spec, 0))
if (diff_populate_filespec(r, spec, 0))
die("Cannot read blob %s", oid_to_hex(&spec->oid));

ALLOC_ARRAY(ends, size);
@@ -555,7 +557,8 @@ static const char *nth_line(void *data, long line)
}

static struct line_log_data *
parse_lines(struct commit *commit, const char *prefix, struct string_list *args)
parse_lines(struct repository *r, struct commit *commit,
const char *prefix, struct string_list *args)
{
long lines = 0;
unsigned long *ends = NULL;
@@ -583,7 +586,7 @@ parse_lines(struct commit *commit, const char *prefix, struct string_list *args)

spec = alloc_filespec(full_name);
fill_blob_sha1(commit, spec);
fill_line_ends(spec, &lines, &ends);
fill_line_ends(r, spec, &lines, &ends);
cb_data.spec = spec;
cb_data.lines = lines;
cb_data.line_ends = ends;
@@ -739,7 +742,7 @@ void line_log_init(struct rev_info *rev, const char *prefix, struct string_list
struct line_log_data *range;

commit = check_single_commit(rev);
range = parse_lines(commit, prefix, args);
range = parse_lines(rev->diffopt.repo, commit, prefix, args);
add_line_range(rev, commit, range);

if (!rev->diffopt.detect_rename) {
@@ -891,8 +894,8 @@ static void dump_diff_hacky_one(struct rev_info *rev, struct line_log_data *rang
return;

if (pair->one->oid_valid)
fill_line_ends(pair->one, &p_lines, &p_ends);
fill_line_ends(pair->two, &t_lines, &t_ends);
fill_line_ends(rev->diffopt.repo, pair->one, &p_lines, &p_ends);
fill_line_ends(rev->diffopt.repo, pair->two, &t_lines, &t_ends);

fprintf(opt->file, "%s%sdiff --git a/%s b/%s%s\n", prefix, c_meta, pair->one->path, pair->two->path, c_reset);
fprintf(opt->file, "%s%s--- %s%s%s\n", prefix, c_meta,
@@ -1008,12 +1011,12 @@ static int process_diff_filepair(struct rev_info *rev,
return 0;

assert(pair->two->oid_valid);
diff_populate_filespec(pair->two, 0);
diff_populate_filespec(rev->diffopt.repo, pair->two, 0);
file_target.ptr = pair->two->data;
file_target.size = pair->two->size;

if (pair->one->oid_valid) {
diff_populate_filespec(pair->one, 0);
diff_populate_filespec(rev->diffopt.repo, pair->one, 0);
file_parent.ptr = pair->one->data;
file_parent.size = pair->one->size;
} else {

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