git/builtin/merge-recursive.c

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C
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Fix sparse warnings Fix warnings from 'make check'. - These files don't include 'builtin.h' causing sparse to complain that cmd_* isn't declared: builtin/clone.c:364, builtin/fetch-pack.c:797, builtin/fmt-merge-msg.c:34, builtin/hash-object.c:78, builtin/merge-index.c:69, builtin/merge-recursive.c:22 builtin/merge-tree.c:341, builtin/mktag.c:156, builtin/notes.c:426 builtin/notes.c:822, builtin/pack-redundant.c:596, builtin/pack-refs.c:10, builtin/patch-id.c:60, builtin/patch-id.c:149, builtin/remote.c:1512, builtin/remote-ext.c:240, builtin/remote-fd.c:53, builtin/reset.c:236, builtin/send-pack.c:384, builtin/unpack-file.c:25, builtin/var.c:75 - These files have symbols which should be marked static since they're only file scope: submodule.c:12, diff.c:631, replace_object.c:92, submodule.c:13, submodule.c:14, trace.c:78, transport.c:195, transport-helper.c:79, unpack-trees.c:19, url.c:3, url.c:18, url.c:104, url.c:117, url.c:123, url.c:129, url.c:136, thread-utils.c:21, thread-utils.c:48 - These files redeclare symbols to be different types: builtin/index-pack.c:210, parse-options.c:564, parse-options.c:571, usage.c:49, usage.c:58, usage.c:63, usage.c:72 - These files use a literal integer 0 when they really should use a NULL pointer: daemon.c:663, fast-import.c:2942, imap-send.c:1072, notes-merge.c:362 While we're in the area, clean up some unused #includes in builtin files (mostly exec_cmd.h). Signed-off-by: Stephen Boyd <bebarino@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-03-22 10:51:05 +03:00
#include "builtin.h"
#include "commit.h"
#include "tag.h"
#include "merge-recursive.h"
#include "xdiff-interface.h"
static const char builtin_merge_recursive_usage[] =
"git %s <base>... -- <head> <remote> ...";
static const char *better_branch_name(const char *branch)
{
static char githead_env[8 + GIT_SHA1_HEXSZ + 1];
char *name;
if (strlen(branch) != GIT_SHA1_HEXSZ)
return branch;
xsnprintf(githead_env, sizeof(githead_env), "GITHEAD_%s", branch);
name = getenv(githead_env);
return name ? name : branch;
}
int cmd_merge_recursive(int argc, const char **argv, const char *prefix)
{
const struct object_id *bases[21];
unsigned bases_count = 0;
int i, failed;
struct object_id h1, h2;
struct merge_options o;
struct commit *result;
init_merge_options(&o);
if (argv[0] && ends_with(argv[0], "-subtree"))
o.subtree_shift = "";
if (argc < 4)
usagef(builtin_merge_recursive_usage, argv[0]);
for (i = 1; i < argc; ++i) {
const char *arg = argv[i];
if (starts_with(arg, "--")) {
if (!arg[2])
break;
if (parse_merge_opt(&o, arg + 2))
die(_("unknown option %s"), arg);
continue;
}
if (bases_count < ARRAY_SIZE(bases)-1) {
struct object_id *oid = xmalloc(sizeof(struct object_id));
if (get_oid(argv[i], oid))
die(_("could not parse object '%s'"), argv[i]);
bases[bases_count++] = oid;
}
else
warning(Q_("cannot handle more than %d base. "
"Ignoring %s.",
"cannot handle more than %d bases. "
"Ignoring %s.",
(int)ARRAY_SIZE(bases)-1),
(int)ARRAY_SIZE(bases)-1, argv[i]);
}
if (argc - i != 3) /* "--" "<head>" "<remote>" */
die(_("not handling anything other than two heads merge."));
o.branch1 = argv[++i];
o.branch2 = argv[++i];
if (get_oid(o.branch1, &h1))
die(_("could not resolve ref '%s'"), o.branch1);
if (get_oid(o.branch2, &h2))
die(_("could not resolve ref '%s'"), o.branch2);
o.branch1 = better_branch_name(o.branch1);
o.branch2 = better_branch_name(o.branch2);
if (o.verbosity >= 3)
printf(_("Merging %s with %s\n"), o.branch1, o.branch2);
failed = merge_recursive_generic(&o, &h1, &h2, bases_count, bases, &result);
if (failed < 0)
return 128; /* die() error code */
return failed;
}