diff options
Diffstat (limited to 'builtin/checkout.c')
| -rw-r--r-- | builtin/checkout.c | 40 |
1 files changed, 28 insertions, 12 deletions
diff --git a/builtin/checkout.c b/builtin/checkout.c index 8afdf2b5c4..52d6cbb0a8 100644 --- a/builtin/checkout.c +++ b/builtin/checkout.c @@ -1,5 +1,5 @@ -#include "cache.h" #include "builtin.h" +#include "lockfile.h" #include "parse-options.h" #include "refs.h" #include "commit.h" @@ -62,23 +62,41 @@ static int post_checkout_hook(struct commit *old, struct commit *new, } -static int update_some(const unsigned char *sha1, const char *base, int baselen, +static int update_some(const unsigned char *sha1, struct strbuf *base, const char *pathname, unsigned mode, int stage, void *context) { int len; struct cache_entry *ce; + int pos; if (S_ISDIR(mode)) return READ_TREE_RECURSIVE; - len = baselen + strlen(pathname); + len = base->len + strlen(pathname); ce = xcalloc(1, cache_entry_size(len)); hashcpy(ce->sha1, sha1); - memcpy(ce->name, base, baselen); - memcpy(ce->name + baselen, pathname, len - baselen); + memcpy(ce->name, base->buf, base->len); + memcpy(ce->name + base->len, pathname, len - base->len); ce->ce_flags = create_ce_flags(0) | CE_UPDATE; ce->ce_namelen = len; ce->ce_mode = create_ce_mode(mode); + + /* + * If the entry is the same as the current index, we can leave the old + * entry in place. Whether it is UPTODATE or not, checkout_entry will + * do the right thing. + */ + pos = cache_name_pos(ce->name, ce->ce_namelen); + if (pos >= 0) { + struct cache_entry *old = active_cache[pos]; + if (ce->ce_mode == old->ce_mode && + !hashcmp(ce->sha1, old->sha1)) { + old->ce_flags |= CE_UPDATE; + free(ce); + return 0; + } + } + add_cache_entry(ce, ADD_CACHE_OK_TO_ADD | ADD_CACHE_OK_TO_REPLACE); return 0; } @@ -355,7 +373,7 @@ static int checkout_paths(const struct checkout_opts *opts, if (write_locked_index(&the_index, lock_file, COMMIT_LOCK)) die(_("unable to write new index file")); - read_ref_full("HEAD", rev, 0, &flag); + read_ref_full("HEAD", 0, rev, &flag); head = lookup_commit_reference_gently(rev, 1); errs |= post_checkout_hook(head, head, 0); @@ -775,7 +793,7 @@ static int switch_branches(const struct checkout_opts *opts, unsigned char rev[20]; int flag, writeout_error = 0; memset(&old, 0, sizeof(old)); - old.path = path_to_free = resolve_refdup("HEAD", rev, 0, &flag); + old.path = path_to_free = resolve_refdup("HEAD", 0, rev, &flag); old.commit = lookup_commit_reference_gently(rev, 1); if (!(flag & REF_ISSYMREF)) old.path = NULL; @@ -1072,7 +1090,7 @@ static int checkout_branch(struct checkout_opts *opts, unsigned char rev[20]; int flag; - if (!read_ref_full("HEAD", rev, 0, &flag) && + if (!read_ref_full("HEAD", 0, rev, &flag) && (flag & REF_ISSYMREF) && is_null_sha1(rev)) return switch_unborn_to_new_branch(opts); } @@ -1150,10 +1168,8 @@ int cmd_checkout(int argc, const char **argv, const char *prefix) const char *argv0 = argv[0]; if (!argc || !strcmp(argv0, "--")) die (_("--track needs a branch name")); - if (starts_with(argv0, "refs/")) - argv0 += 5; - if (starts_with(argv0, "remotes/")) - argv0 += 8; + skip_prefix(argv0, "refs/", &argv0); + skip_prefix(argv0, "remotes/", &argv0); argv0 = strchr(argv0, '/'); if (!argv0 || !argv0[1]) die (_("Missing branch name; try -b")); |