#include "log-tree.h"
#include "builtin.h"
#include "string-list.h"
+#include "dir.h"
-static int read_directory(const char *path, struct string_list *list)
+static int read_directory_contents(const char *path, struct string_list *list)
{
DIR *dir;
struct dirent *e;
return error("Could not open directory %s", path);
while ((e = readdir(dir)))
- if (strcmp(".", e->d_name) && strcmp("..", e->d_name))
+ if (!is_dot_or_dotdot(e->d_name))
string_list_insert(list, e->d_name);
closedir(dir);
return 0;
}
+/*
+ * This should be "(standard input)" or something, but it will
+ * probably expose many more breakages in the way no-index code
+ * is bolted onto the diff callchain.
+ */
+static const char file_from_standard_input[] = "-";
+
static int get_mode(const char *path, int *mode)
{
struct stat st;
if (!path || !strcmp(path, "/dev/null"))
*mode = 0;
-#ifdef _WIN32
+#ifdef GIT_WINDOWS_NATIVE
else if (!strcasecmp(path, "nul"))
*mode = 0;
#endif
- else if (!strcmp(path, "-"))
+ else if (path == file_from_standard_input)
*mode = create_ce_mode(0666);
else if (lstat(path, &st))
return error("Could not access '%s'", path);
return 0;
}
+static int populate_from_stdin(struct diff_filespec *s)
+{
+ struct strbuf buf = STRBUF_INIT;
+ size_t size = 0;
+
+ if (strbuf_read(&buf, 0, 0) < 0)
+ return error("error while reading from stdin %s",
+ strerror(errno));
+
+ s->should_munmap = 0;
+ s->data = strbuf_detach(&buf, &size);
+ s->size = size;
+ s->should_free = 1;
+ s->is_stdin = 1;
+ return 0;
+}
+
+static struct diff_filespec *noindex_filespec(const char *name, int mode)
+{
+ struct diff_filespec *s;
+
+ if (!name)
+ name = "/dev/null";
+ s = alloc_filespec(name);
+ fill_filespec(s, null_sha1, 0, mode);
+ if (name == file_from_standard_input)
+ populate_from_stdin(s);
+ return s;
+}
+
static int queue_diff(struct diff_options *o,
const char *name1, const char *name2)
{
int i1, i2, ret = 0;
size_t len1 = 0, len2 = 0;
- if (name1 && read_directory(name1, &p1))
+ if (name1 && read_directory_contents(name1, &p1))
return -1;
- if (name2 && read_directory(name2, &p2)) {
+ if (name2 && read_directory_contents(name2, &p2)) {
string_list_clear(&p1, 0);
return -1;
}
tmp_c = name1; name1 = name2; name2 = tmp_c;
}
- if (!name1)
- name1 = "/dev/null";
- if (!name2)
- name2 = "/dev/null";
- d1 = alloc_filespec(name1);
- d2 = alloc_filespec(name2);
- fill_filespec(d1, null_sha1, mode1);
- fill_filespec(d2, null_sha1, mode2);
-
+ d1 = noindex_filespec(name1, mode1);
+ d2 = noindex_filespec(name2, mode2);
diff_queue(&diff_queued_diff, d1, d2);
return 0;
}
void diff_no_index(struct rev_info *revs,
int argc, const char **argv,
- int nongit, const char *prefix)
+ const char *prefix)
{
- int i;
- int no_index = 0;
- unsigned options = 0;
-
- /* Were we asked to do --no-index explicitly? */
- for (i = 1; i < argc; i++) {
- if (!strcmp(argv[i], "--")) {
- i++;
- break;
- }
- if (!strcmp(argv[i], "--no-index"))
- no_index = 1;
- if (argv[i][0] != '-')
- break;
- }
-
- if (!no_index && !nongit) {
- /*
- * Inside a git repository, without --no-index. Only
- * when a path outside the repository is given,
- * e.g. "git diff /var/tmp/[12]", or "git diff
- * Makefile /var/tmp/Makefile", allow it to be used as
- * a colourful "diff" replacement.
- */
- if ((argc != i + 2) ||
- (path_inside_repo(prefix, argv[i]) &&
- path_inside_repo(prefix, argv[i+1])))
- return;
- }
- if (argc != i + 2)
- usagef("git diff %s <path> <path>",
- no_index ? "--no-index" : "[--no-index]");
+ int i, prefixlen;
+ const char *paths[2];
diff_setup(&revs->diffopt);
for (i = 1; i < argc - 2; ) {
int j;
if (!strcmp(argv[i], "--no-index"))
i++;
- else if (!strcmp(argv[i], "-q")) {
- options |= DIFF_SILENT_ON_REMOVED;
- i++;
- }
else if (!strcmp(argv[i], "--"))
i++;
else {
j = diff_opt_parse(&revs->diffopt, argv + i, argc - i);
- if (!j)
+ if (j <= 0)
die("invalid diff option/value: %s", argv[i]);
i += j;
}
}
- if (prefix) {
- int len = strlen(prefix);
- const char *paths[3];
- memset(paths, 0, sizeof(paths));
-
- for (i = 0; i < 2; i++) {
- const char *p = argv[argc - 2 + i];
+ prefixlen = prefix ? strlen(prefix) : 0;
+ for (i = 0; i < 2; i++) {
+ const char *p = argv[argc - 2 + i];
+ if (!strcmp(p, "-"))
/*
- * stdin should be spelled as '-'; if you have
- * path that is '-', spell it as ./-.
+ * stdin should be spelled as "-"; if you have
+ * path that is "-", spell it as "./-".
*/
- p = (strcmp(p, "-")
- ? xstrdup(prefix_filename(prefix, len, p))
- : p);
- paths[i] = p;
- }
- diff_tree_setup_paths(paths, &revs->diffopt);
+ p = file_from_standard_input;
+ else if (prefixlen)
+ p = xstrdup(prefix_filename(prefix, prefixlen, p));
+ paths[i] = p;
}
- else
- diff_tree_setup_paths(argv + argc - 2, &revs->diffopt);
revs->diffopt.skip_stat_unmatch = 1;
if (!revs->diffopt.output_format)
revs->diffopt.output_format = DIFF_FORMAT_PATCH;
DIFF_OPT_SET(&revs->diffopt, NO_INDEX);
revs->max_count = -2;
- if (diff_setup_done(&revs->diffopt) < 0)
- die("diff_setup_done failed");
+ diff_setup_done(&revs->diffopt);
setup_diff_pager(&revs->diffopt);
DIFF_OPT_SET(&revs->diffopt, EXIT_WITH_STATUS);
- if (queue_diff(&revs->diffopt, revs->diffopt.pathspec.raw[0],
- revs->diffopt.pathspec.raw[1]))
+ if (queue_diff(&revs->diffopt, paths[0], paths[1]))
exit(1);
diff_set_mnemonic_prefix(&revs->diffopt, "1/", "2/");
diffcore_std(&revs->diffopt);