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[PATCH] Find size of SHA1 object without inflating everything.
[git.git]
/
diff-cache.c
diff --git
a/diff-cache.c
b/diff-cache.c
index
c604359
..
2aaf16a
100644
(file)
--- a/
diff-cache.c
+++ b/
diff-cache.c
@@
-2,13
+2,15
@@
#include "diff.h"
static int cached_only = 0;
#include "diff.h"
static int cached_only = 0;
-static int
generate_patch = 0
;
+static int
diff_output_format = DIFF_FORMAT_HUMAN
;
static int match_nonexisting = 0;
static int match_nonexisting = 0;
-static int line_termination = '\n';
static int detect_rename = 0;
static int detect_rename = 0;
-static int
reverse_diff
= 0;
+static int
diff_setup_opt
= 0;
static int diff_score_opt = 0;
static const char *pickaxe = NULL;
static int diff_score_opt = 0;
static const char *pickaxe = NULL;
+static int pickaxe_opts = 0;
+static int diff_break_opt = -1;
+static const char *orderfile = NULL;
/* A file entry went away or appeared */
static void show_file(const char *prefix, struct cache_entry *ce, unsigned char *sha1, unsigned int mode)
/* A file entry went away or appeared */
static void show_file(const char *prefix, struct cache_entry *ce, unsigned char *sha1, unsigned int mode)
@@
-72,7
+74,7
@@
static int show_modified(struct cache_entry *old,
oldmode = old->ce_mode;
if (mode == oldmode && !memcmp(sha1, old->sha1, 20) &&
oldmode = old->ce_mode;
if (mode == oldmode && !memcmp(sha1, old->sha1, 20) &&
- detect_rename <
2
)
+ detect_rename <
DIFF_DETECT_COPY
)
return 0;
mode = ntohl(mode);
return 0;
mode = ntohl(mode);
@@
-155,51
+157,73
@@
static void mark_merge_entries(void)
}
static char *diff_cache_usage =
}
static char *diff_cache_usage =
-"git-diff-cache [-p] [-r] [-z] [-m] [-M] [-C] [-R] [-S<string>] [--cached] <tree-ish>";
+"git-diff-cache [-p] [-r] [-z] [-m] [-M] [-C] [-R] [-S<string>] [--cached] <tree-ish>
[<path>...]
";
-int main(int argc, char **argv)
+int main(int argc, c
onst c
har **argv)
{
{
- unsigned char tree_sha1[20];
+ const char *tree_name = NULL;
+ unsigned char sha1[20];
+ const char **pathspec = NULL;
void *tree;
unsigned long size;
int ret;
void *tree;
unsigned long size;
int ret;
+ int i;
read_cache();
read_cache();
- while (argc > 2) {
- char *arg = argv[1];
- argv++;
- argc--;
+ for (i = 1; i < argc; i++) {
+ const char *arg = argv[i];
+
+ if (*arg != '-') {
+ if (tree_name) {
+ pathspec = argv + i;
+ break;
+ }
+ tree_name = arg;
+ continue;
+ }
+
if (!strcmp(arg, "-r")) {
/* We accept the -r flag just to look like git-diff-tree */
continue;
}
if (!strcmp(arg, "-p")) {
if (!strcmp(arg, "-r")) {
/* We accept the -r flag just to look like git-diff-tree */
continue;
}
if (!strcmp(arg, "-p")) {
- generate_patch = 1;
+ diff_output_format = DIFF_FORMAT_PATCH;
+ continue;
+ }
+ if (!strncmp(arg, "-B", 2)) {
+ diff_break_opt = diff_scoreopt_parse(arg);
continue;
}
if (!strncmp(arg, "-M", 2)) {
continue;
}
if (!strncmp(arg, "-M", 2)) {
-
generate_patch = detect_rename = 1
;
+
detect_rename = DIFF_DETECT_RENAME
;
diff_score_opt = diff_scoreopt_parse(arg);
continue;
}
if (!strncmp(arg, "-C", 2)) {
diff_score_opt = diff_scoreopt_parse(arg);
continue;
}
if (!strncmp(arg, "-C", 2)) {
- generate_patch = 1;
- detect_rename = 2;
+ detect_rename = DIFF_DETECT_COPY;
diff_score_opt = diff_scoreopt_parse(arg);
continue;
}
if (!strcmp(arg, "-z")) {
diff_score_opt = diff_scoreopt_parse(arg);
continue;
}
if (!strcmp(arg, "-z")) {
-
line_termination = '\0'
;
+
diff_output_format = DIFF_FORMAT_MACHINE
;
continue;
}
if (!strcmp(arg, "-R")) {
continue;
}
if (!strcmp(arg, "-R")) {
-
reverse_diff = 1
;
+
diff_setup_opt |= DIFF_SETUP_REVERSE
;
continue;
}
continue;
}
- if (!str
cmp(arg, "-S"
)) {
+ if (!str
ncmp(arg, "-S", 2
)) {
pickaxe = arg + 2;
continue;
}
pickaxe = arg + 2;
continue;
}
+ if (!strncmp(arg, "-O", 2)) {
+ orderfile = arg + 2;
+ continue;
+ }
+ if (!strcmp(arg, "--pickaxe-all")) {
+ pickaxe_opts = DIFF_PICKAXE_ALL;
+ continue;
+ }
if (!strcmp(arg, "-m")) {
match_nonexisting = 1;
continue;
if (!strcmp(arg, "-m")) {
match_nonexisting = 1;
continue;
@@
-211,22
+235,27
@@
int main(int argc, char **argv)
usage(diff_cache_usage);
}
usage(diff_cache_usage);
}
- if (
argc != 2 || get_sha1(argv[1], tree_
sha1))
+ if (
!tree_name || get_sha1(tree_name,
sha1))
usage(diff_cache_usage);
usage(diff_cache_usage);
- diff_setup(detect_rename, diff_score_opt, pickaxe,
- reverse_diff, (generate_patch ? -1 : line_termination),
- NULL, 0);
+ /* The rest is for paths restriction. */
+ diff_setup(diff_setup_opt);
mark_merge_entries();
mark_merge_entries();
- tree = read_object_with_reference(
tree_
sha1, "tree", &size, NULL);
+ tree = read_object_with_reference(sha1, "tree", &size, NULL);
if (!tree)
if (!tree)
- die("bad tree object %s",
argv[1]
);
+ die("bad tree object %s",
tree_name
);
if (read_tree(tree, size, 1))
if (read_tree(tree, size, 1))
- die("unable to read tree object %s",
argv[1]
);
+ die("unable to read tree object %s",
tree_name
);
ret = diff_cache(active_cache, active_nr);
ret = diff_cache(active_cache, active_nr);
- diff_flush();
+
+ diffcore_std(pathspec ? : NULL,
+ detect_rename, diff_score_opt,
+ pickaxe, pickaxe_opts,
+ diff_break_opt,
+ orderfile);
+ diff_flush(diff_output_format, 1);
return ret;
}
return ret;
}