зеркало из https://github.com/microsoft/git.git
133 строки
2.9 KiB
C
133 строки
2.9 KiB
C
/*
|
|
* GIT - The information manager from hell
|
|
*
|
|
* Copyright (C) Linus Torvalds, 2005
|
|
*/
|
|
#include "cache.h"
|
|
#include "diff.h"
|
|
|
|
static const char diff_files_usage[] =
|
|
"git-diff-files [-q] "
|
|
"[<common diff options>] [<path>...]"
|
|
COMMON_DIFF_OPTIONS_HELP;
|
|
|
|
static struct diff_options diff_options;
|
|
static int silent = 0;
|
|
|
|
static void show_unmerge(const char *path)
|
|
{
|
|
diff_unmerge(&diff_options, path);
|
|
}
|
|
|
|
static void show_file(int pfx, struct cache_entry *ce)
|
|
{
|
|
diff_addremove(&diff_options, 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)
|
|
{
|
|
diff_change(&diff_options, oldmode, mode, old_sha1, sha1, path, NULL);
|
|
}
|
|
|
|
int main(int argc, const char **argv)
|
|
{
|
|
const char **pathspec;
|
|
const char *prefix = setup_git_directory();
|
|
int entries, i;
|
|
|
|
git_config(git_diff_config);
|
|
diff_setup(&diff_options);
|
|
while (1 < argc && argv[1][0] == '-') {
|
|
if (!strcmp(argv[1], "--")) {
|
|
argv++;
|
|
argc--;
|
|
break;
|
|
}
|
|
if (!strcmp(argv[1], "-q"))
|
|
silent = 1;
|
|
else if (!strcmp(argv[1], "-r"))
|
|
; /* no-op */
|
|
else if (!strcmp(argv[1], "-s"))
|
|
; /* no-op */
|
|
else {
|
|
int diff_opt_cnt;
|
|
diff_opt_cnt = diff_opt_parse(&diff_options,
|
|
argv+1, argc-1);
|
|
if (diff_opt_cnt < 0)
|
|
usage(diff_files_usage);
|
|
else if (diff_opt_cnt) {
|
|
argv += diff_opt_cnt;
|
|
argc -= diff_opt_cnt;
|
|
continue;
|
|
}
|
|
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 (diff_setup_done(&diff_options) < 0)
|
|
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.
|
|
*/
|
|
if (entries < 0) {
|
|
perror("read_cache");
|
|
exit(1);
|
|
}
|
|
|
|
for (i = 0; i < entries; i++) {
|
|
struct stat st;
|
|
unsigned int oldmode, newmode;
|
|
struct cache_entry *ce = active_cache[i];
|
|
int changed;
|
|
|
|
if (!ce_path_match(ce, pathspec))
|
|
continue;
|
|
|
|
if (ce_stage(ce)) {
|
|
show_unmerge(ce->name);
|
|
while (i < entries &&
|
|
!strcmp(ce->name, active_cache[i]->name))
|
|
i++;
|
|
i--; /* compensate for loop control increments */
|
|
continue;
|
|
}
|
|
|
|
if (lstat(ce->name, &st) < 0) {
|
|
if (errno != ENOENT && errno != ENOTDIR) {
|
|
perror(ce->name);
|
|
continue;
|
|
}
|
|
if (silent)
|
|
continue;
|
|
show_file('-', ce);
|
|
continue;
|
|
}
|
|
changed = ce_match_stat(ce, &st);
|
|
if (!changed && !diff_options.find_copies_harder)
|
|
continue;
|
|
oldmode = ntohl(ce->ce_mode);
|
|
|
|
newmode = DIFF_FILE_CANON_MODE(st.st_mode);
|
|
if (!trust_executable_bit &&
|
|
S_ISREG(newmode) && S_ISREG(oldmode) &&
|
|
((newmode ^ oldmode) == 0111))
|
|
newmode = oldmode;
|
|
show_modified(oldmode, newmode,
|
|
ce->sha1, (changed ? null_sha1 : ce->sha1),
|
|
ce->name);
|
|
}
|
|
diffcore_std(&diff_options);
|
|
diff_flush(&diff_options);
|
|
return 0;
|
|
}
|