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commit-tree: update the command line parsing 

We have kept the original "git commit-tree <tree> -p <parent> ..." syntax
forever, but "git commit-tree -p <parent> -p <parent> ... <tree>" would be
more intuitive way to spell it. Dashed flags along with their arguments
come first and then the "thing" argument after the flags.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano 2011-11-09 11:33:55 -08:00
parent ed7a42a075
commit 79a9312cc9
1 changed files with 18 additions and 13 deletions
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31
builtin/commit-tree.c
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@ -27,7 +27,7 @@ static void new_parent(struct commit *parent, struct commit_list **parents_p)
int cmd_commit_tree(int argc, const char **argv, const char *prefix)
{
int i;
int i, got_tree = 0;
struct commit_list *parents = NULL;
unsigned char tree_sha1[20];
unsigned char commit_sha1[20];
@ -37,20 +37,25 @@ int cmd_commit_tree(int argc, const char **argv, const char *prefix)
if (argc < 2 || !strcmp(argv[1], "-h"))
usage(commit_tree_usage);
if (get_sha1(argv[1], tree_sha1))
die("Not a valid object name %s", argv[1]);
for (i = 2; i < argc; i += 2) {
unsigned char sha1[20];
const char *a, *b;
a = argv[i]; b = argv[i+1];
if (!b || strcmp(a, "-p"))
usage(commit_tree_usage);
for (i = 1; i < argc; i++) {
const char *arg = argv[i];
if (!strcmp(arg, "-p")) {
unsigned char sha1[20];
if (argc <= ++i)
usage(commit_tree_usage);
if (get_sha1(argv[i], sha1))
die("Not a valid object name %s", argv[i]);
assert_sha1_type(sha1, OBJ_COMMIT);
new_parent(lookup_commit(sha1), &parents);
continue;
}
if (get_sha1(b, sha1))
die("Not a valid object name %s", b);
assert_sha1_type(sha1, OBJ_COMMIT);
new_parent(lookup_commit(sha1), &parents);
if (get_sha1(arg, tree_sha1))
die("Not a valid object name %s", arg);
if (got_tree)
die("Cannot give more than one trees");
got_tree = 1;
}
if (strbuf_read(&buffer, 0, 0) < 0)