undef/git-commit-vandalism
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Merge branch 'rs/cherry'

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* rs/cherry:
  Make git-cherry handle root trees
  Built-in cherry
This commit is contained in:
Junio C Hamano 2006-11-01 09:17:37 -08:00
commit 56532fa147
7 changed files with 139 additions and 26 deletions
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4
Makefile
View File

@ -159,7 +159,7 @@ BASIC_LDFLAGS =
SCRIPT_SH = \
git-bisect.sh git-checkout.sh \
git-cherry.sh git-clean.sh git-clone.sh git-commit.sh \
git-clean.sh git-clone.sh git-commit.sh \
git-fetch.sh \
git-ls-remote.sh \
git-merge-one-file.sh git-parse-remote.sh \
@ -212,7 +212,7 @@ PROGRAMS = \
EXTRA_PROGRAMS =
BUILT_INS = \
git-format-patch$X git-show$X git-whatchanged$X \
git-format-patch$X git-show$X git-whatchanged$X git-cherry$X \
git-get-tar-commit-id$X \
$(patsubst builtin-%.o,git-%$X,$(BUILTIN_OBJS))

113
builtin-log.c
View File

@ -171,8 +171,11 @@ static void reopen_stdout(struct commit *commit, int nr, int keep_subject)
static int get_patch_id(struct commit *commit, struct diff_options *options,
unsigned char *sha1)
{
diff_tree_sha1(commit->parents->item->object.sha1, commit->object.sha1,
"", options);
if (commit->parents)
diff_tree_sha1(commit->parents->item->object.sha1,
commit->object.sha1, "", options);
else
diff_root_tree_sha1(commit->object.sha1, "", options);
diffcore_std(options);
return diff_flush_patch_id(options, sha1);
}
@ -437,3 +440,109 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
return 0;
}
static int add_pending_commit(const char *arg, struct rev_info *revs, int flags)
{
unsigned char sha1[20];
if (get_sha1(arg, sha1) == 0) {
struct commit *commit = lookup_commit_reference(sha1);
if (commit) {
commit->object.flags |= flags;
add_pending_object(revs, &commit->object, arg);
return 0;
}
}
return -1;
}
static const char cherry_usage[] =
"git-cherry [-v] <upstream> [<head>] [<limit>]";
int cmd_cherry(int argc, const char **argv, const char *prefix)
{
struct rev_info revs;
struct diff_options patch_id_opts;
struct commit *commit;
struct commit_list *list = NULL;
const char *upstream;
const char *head = "HEAD";
const char *limit = NULL;
int verbose = 0;
if (argc > 1 && !strcmp(argv[1], "-v")) {
verbose = 1;
argc--;
argv++;
}
switch (argc) {
case 4:
limit = argv[3];
/* FALLTHROUGH */
case 3:
head = argv[2];
/* FALLTHROUGH */
case 2:
upstream = argv[1];
break;
default:
usage(cherry_usage);
}
init_revisions(&revs, prefix);
revs.diff = 1;
revs.combine_merges = 0;
revs.ignore_merges = 1;
revs.diffopt.recursive = 1;
if (add_pending_commit(head, &revs, 0))
die("Unknown commit %s", head);
if (add_pending_commit(upstream, &revs, UNINTERESTING))
die("Unknown commit %s", upstream);
/* Don't say anything if head and upstream are the same. */
if (revs.pending.nr == 2) {
struct object_array_entry *o = revs.pending.objects;
if (hashcmp(o[0].item->sha1, o[1].item->sha1) == 0)
return 0;
}
get_patch_ids(&revs, &patch_id_opts, prefix);
if (limit && add_pending_commit(limit, &revs, UNINTERESTING))
die("Unknown commit %s", limit);
/* reverse the list of commits */
prepare_revision_walk(&revs);
while ((commit = get_revision(&revs)) != NULL) {
/* ignore merges */
if (commit->parents && commit->parents->next)
continue;
commit_list_insert(commit, &list);
}
while (list) {
unsigned char sha1[20];
char sign = '+';
commit = list->item;
if (!get_patch_id(commit, &patch_id_opts, sha1) &&
lookup_object(sha1))
sign = '-';
if (verbose) {
static char buf[16384];
pretty_print_commit(CMIT_FMT_ONELINE, commit, ~0,
buf, sizeof(buf), 0, NULL, NULL, 0);
printf("%c %s %s\n", sign,
sha1_to_hex(commit->object.sha1), buf);
}
else {
printf("%c %s\n", sign,
sha1_to_hex(commit->object.sha1));
}
list = list->next;
}
return 0;
}

1
builtin.h
View File

@ -21,6 +21,7 @@ extern int cmd_branch(int argc, const char **argv, const char *prefix);
extern int cmd_cat_file(int argc, const char **argv, const char *prefix);
extern int cmd_checkout_index(int argc, const char **argv, const char *prefix);
extern int cmd_check_ref_format(int argc, const char **argv, const char *prefix);
extern int cmd_cherry(int argc, const char **argv, const char *prefix);
extern int cmd_commit_tree(int argc, const char **argv, const char *prefix);
extern int cmd_count_objects(int argc, const char **argv, const char *prefix);
extern int cmd_diff_files(int argc, const char **argv, const char *prefix);

2
diff.h
View File

@ -102,6 +102,8 @@ extern int diff_tree(struct tree_desc *t1, struct tree_desc *t2,
const char *base, struct diff_options *opt);
extern int diff_tree_sha1(const unsigned char *old, const unsigned char *new,
const char *base, struct diff_options *opt);
extern int diff_root_tree_sha1(const unsigned char *new, const char *base,
struct diff_options *opt);
struct combine_diff_path {
struct combine_diff_path *next;

1
git.c
View File

@ -226,6 +226,7 @@ static void handle_internal_command(int argc, const char **argv, char **envp)
{ "cat-file", cmd_cat_file, RUN_SETUP },
{ "checkout-index", cmd_checkout_index, RUN_SETUP },
{ "check-ref-format", cmd_check_ref_format },
{ "cherry", cmd_cherry, RUN_SETUP },
{ "commit-tree", cmd_commit_tree, RUN_SETUP },
{ "count-objects", cmd_count_objects, RUN_SETUP },
{ "diff", cmd_diff, RUN_SETUP | USE_PAGER },

26
log-tree.c
View File

@ -252,26 +252,6 @@ int log_tree_diff_flush(struct rev_info *opt)
return 1;
}
static int diff_root_tree(struct rev_info *opt,
const unsigned char *new, const char *base)
{
int retval;
void *tree;
struct tree_desc empty, real;
tree = read_object_with_reference(new, tree_type, &real.size, NULL);
if (!tree)
die("unable to read root tree (%s)", sha1_to_hex(new));
real.buf = tree;
empty.buf = "";
empty.size = 0;
retval = diff_tree(&empty, &real, base, &opt->diffopt);
free(tree);
log_tree_diff_flush(opt);
return retval;
}
static int do_diff_combined(struct rev_info *opt, struct commit *commit)
{
unsigned const char *sha1 = commit->object.sha1;
@ -297,8 +277,10 @@ static int log_tree_diff(struct rev_info *opt, struct commit *commit, struct log
/* Root commit? */
parents = commit->parents;
if (!parents) {
if (opt->show_root_diff)
diff_root_tree(opt, sha1, "");
if (opt->show_root_diff) {
diff_root_tree_sha1(sha1, "", &opt->diffopt);
log_tree_diff_flush(opt);
}
return !opt->loginfo;
}

18
tree-diff.c
View File

@ -215,6 +215,24 @@ int diff_tree_sha1(const unsigned char *old, const unsigned char *new, const cha
return retval;
}
int diff_root_tree_sha1(const unsigned char *new, const char *base, struct diff_options *opt)
{
int retval;
void *tree;
struct tree_desc empty, real;
tree = read_object_with_reference(new, tree_type, &real.size, NULL);
if (!tree)
die("unable to read root tree (%s)", sha1_to_hex(new));
real.buf = tree;
empty.size = 0;
empty.buf = "";
retval = diff_tree(&empty, &real, base, opt);
free(tree);
return retval;
}
static int count_paths(const char **paths)
{
int i = 0;