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-rw-r--r--builtin/cat-file.c30
-rw-r--r--builtin/diff.c58
-rw-r--r--builtin/push.c84
-rw-r--r--builtin/rev-parse.c16
4 files changed, 150 insertions, 38 deletions
diff --git a/builtin/cat-file.c b/builtin/cat-file.c
index b2ca775a80..f8288c830c 100644
--- a/builtin/cat-file.c
+++ b/builtin/cat-file.c
@@ -193,25 +193,28 @@ static size_t expand_format(struct strbuf *sb, const char *start, void *data)
return end - start + 1;
}
-static void print_object_or_die(int fd, const unsigned char *sha1,
- enum object_type type, unsigned long size)
+static void print_object_or_die(int fd, struct expand_data *data)
{
- if (type == OBJ_BLOB) {
+ const unsigned char *sha1 = data->sha1;
+
+ assert(data->info.typep);
+
+ if (data->type == OBJ_BLOB) {
if (stream_blob_to_fd(fd, sha1, NULL, 0) < 0)
die("unable to stream %s to stdout", sha1_to_hex(sha1));
}
else {
- enum object_type rtype;
- unsigned long rsize;
+ enum object_type type;
+ unsigned long size;
void *contents;
- contents = read_sha1_file(sha1, &rtype, &rsize);
+ contents = read_sha1_file(sha1, &type, &size);
if (!contents)
die("object %s disappeared", sha1_to_hex(sha1));
- if (rtype != type)
+ if (type != data->type)
die("object %s changed type!?", sha1_to_hex(sha1));
- if (rsize != size)
- die("object %s change size!?", sha1_to_hex(sha1));
+ if (data->info.sizep && size != data->size)
+ die("object %s changed size!?", sha1_to_hex(sha1));
write_or_die(fd, contents, size);
free(contents);
@@ -250,7 +253,7 @@ static int batch_one_object(const char *obj_name, struct batch_options *opt,
strbuf_release(&buf);
if (opt->print_contents) {
- print_object_or_die(1, data->sha1, data->type, data->size);
+ print_object_or_die(1, data);
write_or_die(1, "\n", 1);
}
return 0;
@@ -275,6 +278,13 @@ static int batch_objects(struct batch_options *opt)
data.mark_query = 0;
/*
+ * If we are printing out the object, then always fill in the type,
+ * since we will want to decide whether or not to stream.
+ */
+ if (opt->print_contents)
+ data.info.typep = &data.type;
+
+ /*
* We are going to call get_sha1 on a potentially very large number of
* objects. In most large cases, these will be actual object sha1s. The
* cost to double-check that each one is not also a ref (just so we can
diff --git a/builtin/diff.c b/builtin/diff.c
index fe0cc7f1b5..0f247d2400 100644
--- a/builtin/diff.c
+++ b/builtin/diff.c
@@ -16,6 +16,9 @@
#include "submodule.h"
#include "sha1-array.h"
+#define DIFF_NO_INDEX_EXPLICIT 1
+#define DIFF_NO_INDEX_IMPLICIT 2
+
struct blobinfo {
unsigned char sha1[20];
const char *name;
@@ -259,7 +262,7 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
struct object_array ent = OBJECT_ARRAY_INIT;
int blobs = 0, paths = 0;
struct blobinfo blob[2];
- int nongit;
+ int nongit = 0, no_index = 0;
int result = 0;
/*
@@ -285,14 +288,59 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
* Other cases are errors.
*/
- prefix = setup_git_directory_gently(&nongit);
- gitmodules_config();
+ /* 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 = DIFF_NO_INDEX_EXPLICIT;
+ if (argv[i][0] != '-')
+ break;
+ }
+
+ if (!no_index)
+ prefix = setup_git_directory_gently(&nongit);
+
+ /*
+ * Treat git diff with at least one path outside of the
+ * repo the same as if the command would have been executed
+ * outside of a git repository. In this case it behaves
+ * the same way as "git diff --no-index <a> <b>", which acts
+ * as a colourful "diff" replacement.
+ */
+ if (nongit || ((argc == i + 2) &&
+ (!path_inside_repo(prefix, argv[i]) ||
+ !path_inside_repo(prefix, argv[i + 1]))))
+ no_index = DIFF_NO_INDEX_IMPLICIT;
+
+ if (!no_index)
+ gitmodules_config();
git_config(git_diff_ui_config, NULL);
init_revisions(&rev, prefix);
- /* If this is a no-index diff, just run it and exit there. */
- diff_no_index(&rev, argc, argv, nongit, prefix);
+ if (no_index && argc != i + 2) {
+ if (no_index == DIFF_NO_INDEX_IMPLICIT) {
+ /*
+ * There was no --no-index and there were not two
+ * paths. It is possible that the user intended
+ * to do an inside-repository operation.
+ */
+ fprintf(stderr, "Not a git repository\n");
+ fprintf(stderr,
+ "To compare two paths outside a working tree:\n");
+ }
+ /* Give the usage message for non-repository usage and exit. */
+ usagef("git diff %s <path> <path>",
+ no_index == DIFF_NO_INDEX_EXPLICIT ?
+ "--no-index" : "[--no-index]");
+
+ }
+ if (no_index)
+ /* If this is a no-index diff, just run it and exit there. */
+ diff_no_index(&rev, argc, argv, prefix);
/* Otherwise, we are doing the usual "git" diff */
rev.diffopt.skip_stat_unmatch = !!diff_auto_refresh_index;
diff --git a/builtin/push.c b/builtin/push.c
index a73982a308..0e50ddbb01 100644
--- a/builtin/push.c
+++ b/builtin/push.c
@@ -35,35 +35,75 @@ static void add_refspec(const char *ref)
refspec[refspec_nr-1] = ref;
}
-static void set_refspecs(const char **refs, int nr)
+static const char *map_refspec(const char *ref,
+ struct remote *remote, struct ref *local_refs)
{
+ struct ref *matched = NULL;
+
+ /* Does "ref" uniquely name our ref? */
+ if (count_refspec_match(ref, local_refs, &matched) != 1)
+ return ref;
+
+ if (remote->push) {
+ struct refspec query;
+ memset(&query, 0, sizeof(struct refspec));
+ query.src = matched->name;
+ if (!query_refspecs(remote->push, remote->push_refspec_nr, &query) &&
+ query.dst) {
+ struct strbuf buf = STRBUF_INIT;
+ strbuf_addf(&buf, "%s%s:%s",
+ query.force ? "+" : "",
+ query.src, query.dst);
+ return strbuf_detach(&buf, NULL);
+ }
+ }
+
+ if (push_default == PUSH_DEFAULT_UPSTREAM &&
+ !prefixcmp(matched->name, "refs/heads/")) {
+ struct branch *branch = branch_get(matched->name + 11);
+ if (branch->merge_nr == 1 && branch->merge[0]->src) {
+ struct strbuf buf = STRBUF_INIT;
+ strbuf_addf(&buf, "%s:%s",
+ ref, branch->merge[0]->src);
+ return strbuf_detach(&buf, NULL);
+ }
+ }
+
+ return ref;
+}
+
+static void set_refspecs(const char **refs, int nr, const char *repo)
+{
+ struct remote *remote = NULL;
+ struct ref *local_refs = NULL;
int i;
+
for (i = 0; i < nr; i++) {
const char *ref = refs[i];
if (!strcmp("tag", ref)) {
- char *tag;
- int len;
+ struct strbuf tagref = STRBUF_INIT;
if (nr <= ++i)
die(_("tag shorthand without <tag>"));
- len = strlen(refs[i]) + 11;
- if (deleterefs) {
- tag = xmalloc(len+1);
- strcpy(tag, ":refs/tags/");
- } else {
- tag = xmalloc(len);
- strcpy(tag, "refs/tags/");
+ ref = refs[i];
+ if (deleterefs)
+ strbuf_addf(&tagref, ":refs/tags/%s", ref);
+ else
+ strbuf_addf(&tagref, "refs/tags/%s", ref);
+ ref = strbuf_detach(&tagref, NULL);
+ } else if (deleterefs) {
+ struct strbuf delref = STRBUF_INIT;
+ if (strchr(ref, ':'))
+ die(_("--delete only accepts plain target ref names"));
+ strbuf_addf(&delref, ":%s", ref);
+ ref = strbuf_detach(&delref, NULL);
+ } else if (!strchr(ref, ':')) {
+ if (!remote) {
+ /* lazily grab remote and local_refs */
+ remote = remote_get(repo);
+ local_refs = get_local_heads();
}
- strcat(tag, refs[i]);
- ref = tag;
- } else if (deleterefs && !strchr(ref, ':')) {
- char *delref;
- int len = strlen(ref)+1;
- delref = xmalloc(len+1);
- strcpy(delref, ":");
- strcat(delref, ref);
- ref = delref;
- } else if (deleterefs)
- die(_("--delete only accepts plain target ref names"));
+ ref = map_refspec(ref, remote, local_refs);
+ }
add_refspec(ref);
}
}
@@ -501,7 +541,7 @@ int cmd_push(int argc, const char **argv, const char *prefix)
if (argc > 0) {
repo = argv[0];
- set_refspecs(argv + 1, argc - 1);
+ set_refspecs(argv + 1, argc - 1, repo);
}
rc = do_push(repo, flags);
diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c
index 6e802fdeb8..aaeb611a97 100644
--- a/builtin/rev-parse.c
+++ b/builtin/rev-parse.c
@@ -286,6 +286,7 @@ static int try_difference(const char *arg)
exclude = n;
}
}
+ *dotdot = '.';
return 1;
}
*dotdot = '.';
@@ -309,8 +310,10 @@ static int try_parent_shorthands(const char *arg)
return 0;
*dotdot = 0;
- if (get_sha1_committish(arg, sha1))
+ if (get_sha1_committish(arg, sha1)) {
+ *dotdot = '^';
return 0;
+ }
if (!parents_only)
show_rev(NORMAL, sha1, arg);
@@ -319,6 +322,7 @@ static int try_parent_shorthands(const char *arg)
show_rev(parents_only ? NORMAL : REVERSED,
parents->item->object.sha1, arg);
+ *dotdot = '^';
return 1;
}
@@ -488,6 +492,7 @@ N_("git rev-parse --parseopt [options] -- [<args>...]\n"
int cmd_rev_parse(int argc, const char **argv, const char *prefix)
{
int i, as_is = 0, verify = 0, quiet = 0, revs_count = 0, type = 0;
+ int has_dashdash = 0;
int output_prefix = 0;
unsigned char sha1[20];
const char *name = NULL;
@@ -501,6 +506,13 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
if (argc > 1 && !strcmp("-h", argv[1]))
usage(builtin_rev_parse_usage);
+ for (i = 1; i < argc; i++) {
+ if (!strcmp(argv[i], "--")) {
+ has_dashdash = 1;
+ break;
+ }
+ }
+
prefix = setup_git_directory();
git_config(git_default_config, NULL);
for (i = 1; i < argc; i++) {
@@ -788,6 +800,8 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
}
if (verify)
die_no_single_rev(quiet);
+ if (has_dashdash)
+ die("bad revision '%s'", arg);
as_is = 1;
if (!show_file(arg, output_prefix))
continue;