#include "cache.h"
#include "diff.h"
-static const char *diff_files_usage =
-"diff-files [-p] [-q] [-r] [-z] [paths...]";
+static const char diff_files_usage[] =
+"git-diff-files [-q] "
+"[<common diff options>] [<path>...]"
+COMMON_DIFF_OPTIONS_HELP;
-static int generate_patch = 0;
-static int line_termination = '\n';
+static int diff_output_format = DIFF_FORMAT_RAW;
+static int diff_line_termination = '\n';
+static int detect_rename = 0;
+static int find_copies_harder = 0;
+static int diff_setup_opt = 0;
+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;
+static const char *diff_filter = NULL;
static int silent = 0;
-static int matches_pathspec(struct cache_entry *ce, char **spec, int cnt)
-{
- int i;
- int namelen = ce_namelen(ce);
- for (i = 0; i < cnt; i++) {
- int speclen = strlen(spec[i]);
- if (! strncmp(spec[i], ce->name, speclen) &&
- speclen <= namelen &&
- (ce->name[speclen] == 0 ||
- ce->name[speclen] == '/'))
- return 1;
- }
- return 0;
-}
-
static void show_unmerge(const char *path)
{
- if (generate_patch)
- diff_unmerge(path);
- else
- printf("U %s%c", path, line_termination);
+ diff_unmerge(path);
}
static void show_file(int pfx, struct cache_entry *ce)
{
- if (generate_patch)
- diff_addremove(pfx, ntohl(ce->ce_mode), ce->sha1,
- ce->name, NULL);
- else
- printf("%c%06o\t%s\t%s\t%s%c",
- pfx, ntohl(ce->ce_mode), "blob",
- sha1_to_hex(ce->sha1), ce->name, line_termination);
+ diff_addremove(pfx, ntohl(ce->ce_mode), ce->sha1, ce->name, NULL);
}
static void show_modified(int oldmode, int mode,
const unsigned char *old_sha1, const unsigned char *sha1,
char *path)
{
- char old_sha1_hex[41];
- strcpy(old_sha1_hex, sha1_to_hex(old_sha1));
-
- if (generate_patch)
- diff_change(oldmode, mode, old_sha1, sha1, path, NULL);
- else
- printf("*%06o->%06o\tblob\t%s->%s\t%s%c",
- oldmode, mode, old_sha1_hex, sha1_to_hex(sha1), path,
- line_termination);
+ diff_change(oldmode, mode, old_sha1, sha1, path, NULL);
}
int main(int argc, char **argv)
{
static const unsigned char null_sha1[20] = { 0, };
- int entries = read_cache();
- int i;
+ const char **pathspec;
+ const char *prefix = setup_git_directory();
+ int entries, i;
while (1 < argc && argv[1][0] == '-') {
- if (!strcmp(argv[1], "-p"))
- generate_patch = 1;
+ if (!strcmp(argv[1], "-p") || !strcmp(argv[1], "-u"))
+ diff_output_format = DIFF_FORMAT_PATCH;
else if (!strcmp(argv[1], "-q"))
silent = 1;
else if (!strcmp(argv[1], "-r"))
else if (!strcmp(argv[1], "-s"))
; /* no-op */
else if (!strcmp(argv[1], "-z"))
- line_termination = 0;
+ diff_line_termination = 0;
+ else if (!strcmp(argv[1], "--name-only"))
+ diff_output_format = DIFF_FORMAT_NAME;
+ else if (!strcmp(argv[1], "-R"))
+ diff_setup_opt |= DIFF_SETUP_REVERSE;
+ else if (!strncmp(argv[1], "-S", 2))
+ pickaxe = argv[1] + 2;
+ else if (!strncmp(argv[1], "-O", 2))
+ orderfile = argv[1] + 2;
+ else if (!strncmp(argv[1], "--diff-filter=", 14))
+ diff_filter = argv[1] + 14;
+ else if (!strcmp(argv[1], "--pickaxe-all"))
+ pickaxe_opts = DIFF_PICKAXE_ALL;
+ else if (!strncmp(argv[1], "-B", 2)) {
+ if ((diff_break_opt =
+ diff_scoreopt_parse(argv[1])) == -1)
+ usage(diff_files_usage);
+ }
+ else if (!strncmp(argv[1], "-M", 2)) {
+ if ((diff_score_opt =
+ diff_scoreopt_parse(argv[1])) == -1)
+ usage(diff_files_usage);
+ detect_rename = DIFF_DETECT_RENAME;
+ }
+ else if (!strncmp(argv[1], "-C", 2)) {
+ if ((diff_score_opt =
+ diff_scoreopt_parse(argv[1])) == -1)
+ usage(diff_files_usage);
+ detect_rename = DIFF_DETECT_COPY;
+ }
+ else if (!strcmp(argv[1], "--find-copies-harder"))
+ find_copies_harder = 1;
else
usage(diff_files_usage);
argv++; argc--;
}
+ /* Find the directory, and set up the pathspec */
+ pathspec = get_pathspec(prefix, argv + 1);
+ entries = read_cache();
+
+ if (find_copies_harder && detect_rename != DIFF_DETECT_COPY)
+ usage(diff_files_usage);
+
/* At this point, if argc == 1, then we are doing everything.
* Otherwise argv[1] .. argv[argc-1] have the explicit paths.
*/
exit(1);
}
+ diff_setup(diff_setup_opt);
+
for (i = 0; i < entries; i++) {
struct stat st;
- unsigned int oldmode, mode;
+ unsigned int oldmode;
struct cache_entry *ce = active_cache[i];
int changed;
- if (1 < argc &&
- ! matches_pathspec(ce, argv+1, argc-1))
+ if (!ce_path_match(ce, pathspec))
continue;
if (ce_stage(ce)) {
i--; /* compensate for loop control increments */
continue;
}
-
+
if (lstat(ce->name, &st) < 0) {
- if (errno != ENOENT) {
+ if (errno != ENOENT && errno != ENOTDIR) {
perror(ce->name);
continue;
- }
+ }
if (silent)
continue;
show_file('-', ce);
continue;
}
changed = ce_match_stat(ce, &st);
- if (!changed)
+ if (!changed && !find_copies_harder)
continue;
-
oldmode = ntohl(ce->ce_mode);
- mode = (S_ISLNK(st.st_mode) ? S_IFLNK :
- S_IFREG | ce_permissions(st.st_mode));
-
- show_modified(oldmode, mode, ce->sha1, null_sha1,
+ show_modified(oldmode, DIFF_FILE_CANON_MODE(st.st_mode),
+ ce->sha1, (changed ? null_sha1 : ce->sha1),
ce->name);
}
+ diffcore_std(pathspec,
+ detect_rename, diff_score_opt,
+ pickaxe, pickaxe_opts,
+ diff_break_opt,
+ orderfile, diff_filter);
+ diff_flush(diff_output_format, diff_line_termination);
return 0;
}