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git-diff-cache: fix argument parsing
author
Linus Torvalds
<torvalds@ppc970.osdl.org>
Wed, 25 May 2005 01:10:11 +0000
(18:10 -0700)
committer
Linus Torvalds
<torvalds@ppc970.osdl.org>
Wed, 25 May 2005 01:10:11 +0000
(18:10 -0700)
And make the code more readable while at it.
diff-cache.c
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8597697
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diff --git
a/diff-cache.c
b/diff-cache.c
index 744fffb7c8c684e9d0206da36a0fba1c502570c9..d573459ba4633775ece269594d277202a9cff2ff 100644
(file)
--- a/
diff-cache.c
+++ b/
diff-cache.c
@@
-158,16
+158,27
@@
static char *diff_cache_usage =
int main(int argc, const char **argv)
{
int main(int argc, const char **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) {
- const 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, "-r")) {
/* We accept the -r flag just to look like git-diff-tree */
continue;
@@
-209,30
+220,27
@@
int main(int argc, const 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);
- argv++;
- argc--;
/* The rest is for paths restriction. */
/* The rest is for paths restriction. */
-
diff_setup(reverse_diff);
mark_merge_entries();
diff_setup(reverse_diff);
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);
if (detect_rename)
diffcore_rename(detect_rename, diff_score_opt);
if (pickaxe)
diffcore_pickaxe(pickaxe);
ret = diff_cache(active_cache, active_nr);
if (detect_rename)
diffcore_rename(detect_rename, diff_score_opt);
if (pickaxe)
diffcore_pickaxe(pickaxe);
- if (
2 <= arg
c)
- diffcore_pathspec(
argv + 1
);
+ if (
pathspe
c)
+ diffcore_pathspec(
pathspec
);
diff_flush(diff_output_format, 1);
return ret;
}
diff_flush(diff_output_format, 1);
return ret;
}