#endif
static int diff_detect_rename_default;
+static int diff_compaction_heuristic; /* experimental */
static int diff_rename_limit_default = 400;
static int diff_suppress_blank_empty;
static int diff_use_color_default = -1;
* never be affected by the setting of diff.renames
* the user happens to have in the configuration file.
*/
+void init_diff_ui_defaults(void)
+{
+ diff_detect_rename_default = 1;
+}
+
int git_diff_ui_config(const char *var, const char *value, void *cb)
{
if (!strcmp(var, "diff.color") || !strcmp(var, "color.diff")) {
diff_detect_rename_default = git_config_rename(var, value);
return 0;
}
+ if (!strcmp(var, "diff.compactionheuristic")) {
+ diff_compaction_heuristic = git_config_bool(var, value);
+ return 0;
+ }
if (!strcmp(var, "diff.autorefreshindex")) {
diff_auto_refresh_index = git_config_bool(var, value);
return 0;
name = p->two->path ? p->two->path : p->one->path;
- if (p->one->sha1_valid && p->two->sha1_valid)
- content_changed = hashcmp(p->one->sha1, p->two->sha1);
+ if (p->one->oid_valid && p->two->oid_valid)
+ content_changed = oidcmp(&p->one->oid, &p->two->oid);
else
content_changed = 1;
const char *add = diff_get_color_opt(o, DIFF_FILE_NEW);
show_submodule_summary(o->file, one->path ? one->path : two->path,
line_prefix,
- one->sha1, two->sha1, two->dirty_submodule,
+ one->oid.hash, two->oid.hash,
+ two->dirty_submodule,
meta, del, add, reset);
return;
}
if (!one->data && !two->data &&
S_ISREG(one->mode) && S_ISREG(two->mode) &&
!DIFF_OPT_TST(o, BINARY)) {
- if (!hashcmp(one->sha1, two->sha1)) {
+ if (!oidcmp(&one->oid, &two->oid)) {
if (must_show_header)
fprintf(o->file, "%s", header.buf);
goto free_ab_and_return;
return;
}
- same_contents = !hashcmp(one->sha1, two->sha1);
+ same_contents = !oidcmp(&one->oid, &two->oid);
if (diff_filespec_is_binary(one) || diff_filespec_is_binary(two)) {
data->is_binary = 1;
{
if (mode) {
spec->mode = canon_mode(mode);
- hashcpy(spec->sha1, sha1);
- spec->sha1_valid = sha1_valid;
+ hashcpy(spec->oid.hash, sha1);
+ spec->oid_valid = sha1_valid;
}
}
if (!FAST_WORKING_DIRECTORY && !want_file && has_sha1_pack(sha1))
return 0;
+ /*
+ * Similarly, if we'd have to convert the file contents anyway, that
+ * makes the optimization not worthwhile.
+ */
+ if (!want_file && would_convert_to_git(name))
+ return 0;
+
len = strlen(name);
pos = cache_name_pos(name, len);
if (pos < 0)
if (s->dirty_submodule)
dirty = "-dirty";
- strbuf_addf(&buf, "Subproject commit %s%s\n", sha1_to_hex(s->sha1), dirty);
+ strbuf_addf(&buf, "Subproject commit %s%s\n",
+ oid_to_hex(&s->oid), dirty);
s->size = buf.len;
if (size_only) {
s->data = NULL;
if (S_ISGITLINK(s->mode))
return diff_populate_gitlink(s, size_only);
- if (!s->sha1_valid ||
- reuse_worktree_file(s->path, s->sha1, 0)) {
+ if (!s->oid_valid ||
+ reuse_worktree_file(s->path, s->oid.hash, 0)) {
struct strbuf buf = STRBUF_INIT;
struct stat st;
int fd;
else {
enum object_type type;
if (size_only || (flags & CHECK_BINARY)) {
- type = sha1_object_info(s->sha1, &s->size);
+ type = sha1_object_info(s->oid.hash, &s->size);
if (type < 0)
- die("unable to read %s", sha1_to_hex(s->sha1));
+ die("unable to read %s",
+ oid_to_hex(&s->oid));
if (size_only)
return 0;
if (s->size > big_file_threshold && s->is_binary == -1) {
return 0;
}
}
- s->data = read_sha1_file(s->sha1, &type, &s->size);
+ s->data = read_sha1_file(s->oid.hash, &type, &s->size);
if (!s->data)
- die("unable to read %s", sha1_to_hex(s->sha1));
+ die("unable to read %s", oid_to_hex(&s->oid));
s->should_free = 1;
}
return 0;
static void prep_temp_blob(const char *path, struct diff_tempfile *temp,
void *blob,
unsigned long size,
- const unsigned char *sha1,
+ const struct object_id *oid,
int mode)
{
int fd;
die_errno("unable to write temp-file");
close_tempfile(&temp->tempfile);
temp->name = get_tempfile_path(&temp->tempfile);
- sha1_to_hex_r(temp->hex, sha1);
+ oid_to_hex_r(temp->hex, oid);
xsnprintf(temp->mode, sizeof(temp->mode), "%06o", mode);
strbuf_release(&buf);
strbuf_release(&template);
}
if (!S_ISGITLINK(one->mode) &&
- (!one->sha1_valid ||
- reuse_worktree_file(name, one->sha1, 1))) {
+ (!one->oid_valid ||
+ reuse_worktree_file(name, one->oid.hash, 1))) {
struct stat st;
if (lstat(name, &st) < 0) {
if (errno == ENOENT)
if (strbuf_readlink(&sb, name, st.st_size) < 0)
die_errno("readlink(%s)", name);
prep_temp_blob(name, temp, sb.buf, sb.len,
- (one->sha1_valid ?
- one->sha1 : null_sha1),
- (one->sha1_valid ?
+ (one->oid_valid ?
+ &one->oid : &null_oid),
+ (one->oid_valid ?
one->mode : S_IFLNK));
strbuf_release(&sb);
}
else {
/* we can borrow from the file in the work tree */
temp->name = name;
- if (!one->sha1_valid)
+ if (!one->oid_valid)
sha1_to_hex_r(temp->hex, null_sha1);
else
- sha1_to_hex_r(temp->hex, one->sha1);
+ sha1_to_hex_r(temp->hex, one->oid.hash);
/* Even though we may sometimes borrow the
* contents from the work tree, we always want
* one->mode. mode is trustworthy even when
if (diff_populate_filespec(one, 0))
die("cannot read data blob for %s", one->path);
prep_temp_blob(name, temp, one->data, one->size,
- one->sha1, one->mode);
+ &one->oid, one->mode);
}
return temp;
}
default:
*must_show_header = 0;
}
- if (one && two && hashcmp(one->sha1, two->sha1)) {
+ if (one && two && oidcmp(&one->oid, &two->oid)) {
int abbrev = DIFF_OPT_TST(o, FULL_INDEX) ? 40 : DEFAULT_ABBREV;
if (DIFF_OPT_TST(o, BINARY)) {
abbrev = 40;
}
strbuf_addf(msg, "%s%sindex %s..", line_prefix, set,
- find_unique_abbrev(one->sha1, abbrev));
- strbuf_addstr(msg, find_unique_abbrev(two->sha1, abbrev));
+ find_unique_abbrev(one->oid.hash, abbrev));
+ strbuf_addstr(msg, find_unique_abbrev(two->oid.hash, abbrev));
if (one->mode == two->mode)
strbuf_addf(msg, " %06o", one->mode);
strbuf_addf(msg, "%s\n", reset);
static void diff_fill_sha1_info(struct diff_filespec *one)
{
if (DIFF_FILE_VALID(one)) {
- if (!one->sha1_valid) {
+ if (!one->oid_valid) {
struct stat st;
if (one->is_stdin) {
- hashcpy(one->sha1, null_sha1);
+ oidclr(&one->oid);
return;
}
if (lstat(one->path, &st) < 0)
die_errno("stat '%s'", one->path);
- if (index_path(one->sha1, one->path, &st, 0))
+ if (index_path(one->oid.hash, one->path, &st, 0))
die("cannot hash %s", one->path);
}
}
else
- hashclr(one->sha1);
+ oidclr(&one->oid);
}
static void strip_prefix(int prefix_length, const char **namep, const char **otherp)
options->use_color = diff_use_color_default;
options->detect_rename = diff_detect_rename_default;
options->xdl_opts |= diff_algorithm;
+ if (diff_compaction_heuristic)
+ DIFF_XDL_SET(options, COMPACTION_HEURISTIC);
options->orderfile = diff_order_file_cfg;
DIFF_XDL_SET(options, IGNORE_WHITESPACE_AT_EOL);
else if (!strcmp(arg, "--ignore-blank-lines"))
DIFF_XDL_SET(options, IGNORE_BLANK_LINES);
+ else if (!strcmp(arg, "--compaction-heuristic"))
+ DIFF_XDL_SET(options, COMPACTION_HEURISTIC);
+ else if (!strcmp(arg, "--no-compaction-heuristic"))
+ DIFF_XDL_CLR(options, COMPACTION_HEURISTIC);
else if (!strcmp(arg, "--patience"))
options->xdl_opts = DIFF_WITH_ALG(options, PATIENCE_DIFF);
else if (!strcmp(arg, "--histogram"))
if (!options->file)
die_errno("Could not open '%s'", path);
options->close_file = 1;
+ if (options->use_color != GIT_COLOR_ALWAYS)
+ options->use_color = GIT_COLOR_NEVER;
return argcount;
} else
return 0;
fprintf(opt->file, "%s", diff_line_prefix(opt));
if (!(opt->output_format & DIFF_FORMAT_NAME_STATUS)) {
fprintf(opt->file, ":%06o %06o %s ", p->one->mode, p->two->mode,
- diff_unique_abbrev(p->one->sha1, opt->abbrev));
- fprintf(opt->file, "%s ", diff_unique_abbrev(p->two->sha1, opt->abbrev));
+ diff_unique_abbrev(p->one->oid.hash, opt->abbrev));
+ fprintf(opt->file, "%s ",
+ diff_unique_abbrev(p->two->oid.hash, opt->abbrev));
}
if (p->score) {
fprintf(opt->file, "%c%03d%c", p->status, similarity_index(p),
/* both are valid and point at the same path. that is, we are
* dealing with a change.
*/
- if (one->sha1_valid && two->sha1_valid &&
- !hashcmp(one->sha1, two->sha1) &&
+ if (one->oid_valid && two->oid_valid &&
+ !oidcmp(&one->oid, &two->oid) &&
!one->dirty_submodule && !two->dirty_submodule)
return 1; /* no change */
- if (!one->sha1_valid && !two->sha1_valid)
+ if (!one->oid_valid && !two->oid_valid)
return 1; /* both look at the same file on the filesystem. */
return 0;
}
s->path,
DIFF_FILE_VALID(s) ? "valid" : "invalid",
s->mode,
- s->sha1_valid ? sha1_to_hex(s->sha1) : "");
+ s->oid_valid ? oid_to_hex(&s->oid) : "");
fprintf(stderr, "queue[%d] %s size %lu\n",
x, one ? one : "",
s->size);
else
p->status = DIFF_STATUS_RENAMED;
}
- else if (hashcmp(p->one->sha1, p->two->sha1) ||
+ else if (oidcmp(&p->one->oid, &p->two->oid) ||
p->one->mode != p->two->mode ||
p->one->dirty_submodule ||
p->two->dirty_submodule ||
- is_null_sha1(p->one->sha1))
+ is_null_oid(&p->one->oid))
p->status = DIFF_STATUS_MODIFIED;
else {
/* This is a "no-change" entry and should not
if (diff_filespec_is_binary(p->one) ||
diff_filespec_is_binary(p->two)) {
- git_SHA1_Update(&ctx, sha1_to_hex(p->one->sha1), 40);
- git_SHA1_Update(&ctx, sha1_to_hex(p->two->sha1), 40);
+ git_SHA1_Update(&ctx, oid_to_hex(&p->one->oid),
+ 40);
+ git_SHA1_Update(&ctx, oid_to_hex(&p->two->oid),
+ 40);
continue;
}
*/
if (!DIFF_FILE_VALID(p->one) || /* (1) */
!DIFF_FILE_VALID(p->two) ||
- (p->one->sha1_valid && p->two->sha1_valid) ||
+ (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) ||
if (!driver->textconv)
die("BUG: fill_textconv called with non-textconv driver");
- if (driver->textconv_cache && df->sha1_valid) {
- *outbuf = notes_cache_get(driver->textconv_cache, df->sha1,
+ if (driver->textconv_cache && df->oid_valid) {
+ *outbuf = notes_cache_get(driver->textconv_cache,
+ df->oid.hash,
&size);
if (*outbuf)
return size;
if (!*outbuf)
die("unable to read files to diff");
- if (driver->textconv_cache && df->sha1_valid) {
+ if (driver->textconv_cache && df->oid_valid) {
/* ignore errors, as we might be in a readonly repository */
- notes_cache_put(driver->textconv_cache, df->sha1, *outbuf,
+ notes_cache_put(driver->textconv_cache, df->oid.hash, *outbuf,
size);
/*
* we could save up changes and flush them all at the end,