#include "xdiff-interface.h"
#include "ll-merge.h"
#include "resolve-undo.h"
+#include "submodule-config.h"
#include "submodule.h"
-#include "argv-array.h"
static const char * const checkout_usage[] = {
N_("git checkout [<options>] <branch>"),
int writeout_stage;
int overwrite_ignore;
int ignore_skipworktree;
+ int ignore_other_worktrees;
+ int show_progress;
const char *new_branch;
const char *new_branch_force;
int changed)
{
return run_hook_le(NULL, "post-checkout",
- sha1_to_hex(old ? old->object.sha1 : null_sha1),
- sha1_to_hex(new ? new->object.sha1 : null_sha1),
+ sha1_to_hex(old ? old->object.oid.hash : null_sha1),
+ sha1_to_hex(new ? new->object.oid.hash : null_sha1),
changed ? "1" : "0", NULL);
/* "new" can be NULL when checking out from the index before
a commit exists. */
if (opts->source_tree)
read_tree_some(opts->source_tree, &opts->pathspec);
- ps_matched = xcalloc(1, opts->pathspec.nr);
+ ps_matched = xcalloc(opts->pathspec.nr, 1);
/*
* Make sure all pathspecs participated in locating the paths
if (!parse_commit(commit))
pp_commit_easy(CMIT_FMT_ONELINE, commit, &sb);
fprintf(stderr, "%s %s... %s\n", msg,
- find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV), sb.buf);
+ find_unique_abbrev(commit->object.oid.hash, DEFAULT_ABBREV), sb.buf);
strbuf_release(&sb);
}
opts.reset = 1;
opts.merge = 1;
opts.fn = oneway_merge;
- opts.verbose_update = !o->quiet && isatty(2);
+ opts.verbose_update = o->show_progress;
opts.src_index = &the_index;
opts.dst_index = &the_index;
parse_tree(tree);
const char *name; /* The short name used */
const char *path; /* The full name of a real branch */
struct commit *commit; /* The named commit */
+ /*
+ * if not null the branch is detached because it's already
+ * checked out in this checkout
+ */
+ char *checkout;
};
static void setup_branch_path(struct branch_info *branch)
topts.update = 1;
topts.merge = 1;
topts.gently = opts->merge && old->commit;
- topts.verbose_update = !opts->quiet && isatty(2);
+ topts.verbose_update = opts->show_progress;
topts.fn = twoway_merge;
if (opts->overwrite_ignore) {
topts.dir = xcalloc(1, sizeof(*topts.dir));
setup_standard_excludes(topts.dir);
}
tree = parse_tree_indirect(old->commit ?
- old->commit->object.sha1 :
+ old->commit->object.oid.hash :
EMPTY_TREE_SHA1_BIN);
init_tree_desc(&trees[0], tree->buffer, tree->size);
- tree = parse_tree_indirect(new->commit->object.sha1);
+ tree = parse_tree_indirect(new->commit->object.oid.hash);
init_tree_desc(&trees[1], tree->buffer, tree->size);
ret = unpack_trees(2, trees, &topts);
if (opts->new_branch) {
if (opts->new_orphan_branch) {
if (opts->new_branch_log && !log_all_ref_updates) {
- int temp;
- char log_file[PATH_MAX];
- char *ref_name = mkpath("refs/heads/%s", opts->new_orphan_branch);
-
- temp = log_all_ref_updates;
- log_all_ref_updates = 1;
- if (log_ref_setup(ref_name, log_file, sizeof(log_file))) {
- fprintf(stderr, _("Can not do reflog for '%s'\n"),
- opts->new_orphan_branch);
- log_all_ref_updates = temp;
+ int ret;
+ char *refname;
+ struct strbuf err = STRBUF_INIT;
+
+ refname = mkpathdup("refs/heads/%s", opts->new_orphan_branch);
+ ret = safe_create_reflog(refname, 1, &err);
+ free(refname);
+ if (ret) {
+ fprintf(stderr, _("Can not do reflog for '%s': %s\n"),
+ opts->new_orphan_branch, err.buf);
+ strbuf_release(&err);
return;
}
- log_all_ref_updates = temp;
+ strbuf_release(&err);
}
}
else
old_desc = old->name;
if (!old_desc && old->commit)
- old_desc = sha1_to_hex(old->commit->object.sha1);
+ old_desc = oid_to_hex(&old->commit->object.oid);
reflog_msg = getenv("GIT_REFLOG_ACTION");
if (!reflog_msg)
if (!strcmp(new->name, "HEAD") && !new->path && !opts->force_detach) {
/* Nothing to do. */
} else if (opts->force_detach || !new->path) { /* No longer on any branch. */
- update_ref(msg.buf, "HEAD", new->commit->object.sha1, NULL,
+ update_ref(msg.buf, "HEAD", new->commit->object.oid.hash, NULL,
REF_NODEREF, UPDATE_REFS_DIE_ON_ERR);
if (!opts->quiet) {
if (old->path && advice_detached_head)
describe_detached_head(_("HEAD is now at"), new->commit);
}
} else if (new->path) { /* Switch branches. */
- create_symref("HEAD", new->path, msg.buf);
+ if (create_symref("HEAD", new->path, msg.buf) < 0)
+ die("unable to update HEAD");
if (!opts->quiet) {
if (old->path && !strcmp(new->path, old->path)) {
if (opts->new_branch_force)
}
static int add_pending_uninteresting_ref(const char *refname,
- const unsigned char *sha1,
+ const struct object_id *oid,
int flags, void *cb_data)
{
- add_pending_sha1(cb_data, refname, sha1, UNINTERESTING);
+ add_pending_sha1(cb_data, refname, oid->hash, UNINTERESTING);
return 0;
}
{
strbuf_addstr(sb, " ");
strbuf_addstr(sb,
- find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV));
+ find_unique_abbrev(commit->object.oid.hash, DEFAULT_ABBREV));
strbuf_addch(sb, ' ');
if (!parse_commit(commit))
pp_commit_easy(CMIT_FMT_ONELINE, commit, sb);
if (advice_detached_head)
fprintf(stderr,
- _(
+ Q_(
+ /* The singular version */
+ "If you want to keep it by creating a new branch, "
+ "this may be a good time\nto do so with:\n\n"
+ " git branch <new-branch-name> %s\n\n",
+ /* The plural version */
"If you want to keep them by creating a new branch, "
"this may be a good time\nto do so with:\n\n"
- " git branch <new-branch-name> %s\n\n"),
- find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV));
+ " git branch <new-branch-name> %s\n\n",
+ /* Give ngettext() the count */
+ lost),
+ find_unique_abbrev(commit->object.oid.hash, DEFAULT_ABBREV));
}
/*
setup_revisions(0, NULL, &revs, NULL);
object->flags &= ~UNINTERESTING;
- add_pending_object(&revs, object, sha1_to_hex(object->sha1));
+ add_pending_object(&revs, object, oid_to_hex(&object->oid));
for_each_ref(add_pending_uninteresting_ref, &revs);
- add_pending_sha1(&revs, "HEAD", new->object.sha1, UNINTERESTING);
+ add_pending_sha1(&revs, "HEAD", new->object.oid.hash, UNINTERESTING);
refs = revs.pending;
revs.leak_pending = 1;
static int parse_branchname_arg(int argc, const char **argv,
int dwim_new_local_branch_ok,
struct branch_info *new,
- struct tree **source_tree,
- unsigned char rev[20],
- const char **new_branch)
+ struct checkout_opts *opts,
+ unsigned char rev[20])
{
+ struct tree **source_tree = &opts->source_tree;
+ const char **new_branch = &opts->new_branch;
int argcount = 0;
unsigned char branch_rev[20];
const char *arg;
*/
int recover_with_dwim = dwim_new_local_branch_ok;
- if (check_filename(NULL, arg) && !has_dash_dash)
+ if (!has_dash_dash &&
+ (check_filename(NULL, arg) || !no_wildcard(arg)))
recover_with_dwim = 0;
/*
* Accept "git checkout foo" and "git checkout foo --"
die(_("Cannot switch branch to a non-commit '%s'"),
new->name);
+ if (new->path && !opts->force_detach && !opts->new_branch &&
+ !opts->ignore_other_worktrees) {
+ unsigned char sha1[20];
+ int flag;
+ char *head_ref = resolve_refdup("HEAD", 0, sha1, &flag);
+ if (head_ref &&
+ (!(flag & REF_ISSYMREF) || strcmp(head_ref, new->path)))
+ die_if_checked_out(new->path);
+ free(head_ref);
+ }
+
if (!new->commit && opts->new_branch) {
unsigned char rev[20];
int flag;
N_("do not limit pathspecs to sparse entries only")),
OPT_HIDDEN_BOOL(0, "guess", &dwim_new_local_branch,
N_("second guess 'git checkout <no-such-branch>'")),
+ OPT_BOOL(0, "ignore-other-worktrees", &opts.ignore_other_worktrees,
+ N_("do not check if another worktree is holding the given ref")),
+ OPT_BOOL(0, "progress", &opts.show_progress, N_("force progress reporting")),
OPT_END(),
};
memset(&new, 0, sizeof(new));
opts.overwrite_ignore = 1;
opts.prefix = prefix;
+ opts.show_progress = -1;
gitmodules_config();
git_config(git_checkout_config, &opts);
argc = parse_options(argc, argv, prefix, options, checkout_usage,
PARSE_OPT_KEEP_DASHDASH);
+ if (opts.show_progress < 0) {
+ if (opts.quiet)
+ opts.show_progress = 0;
+ else
+ opts.show_progress = isatty(2);
+ }
+
if (conflict_style) {
opts.merge = 1; /* implied */
git_xmerge_config("merge.conflictstyle", conflict_style, NULL);
opts.track == BRANCH_TRACK_UNSPECIFIED &&
!opts.new_branch;
int n = parse_branchname_arg(argc, argv, dwim_ok,
- &new, &opts.source_tree,
- rev, &opts.new_branch);
+ &new, &opts, rev);
argv += n;
argc -= n;
}
static int inside_git_dir = -1;
static int inside_work_tree = -1;
+static int work_tree_config_is_bogus;
+static struct string_list unknown_extensions = STRING_LIST_INIT_DUP;
/*
* The input parameter must contain an absolute path, and it must already be
return NULL;
}
} else {
- sanitized = xmalloc(len + strlen(path) + 1);
- if (len)
- memcpy(sanitized, prefix, len);
- strcpy(sanitized + len, path);
+ sanitized = xstrfmt("%.*s%s", len, prefix, path);
if (remaining_prefix)
*remaining_prefix = len;
if (normalize_path_copy_len(sanitized, sanitized, remaining_prefix)) {
if (arg[2] == '\0') /* ":/" is root dir, always exists */
return 1;
name = arg + 2;
- } else if (!no_wildcard(arg))
- return 1;
- else if (prefix)
+ } else if (prefix)
name = prefix_filename(prefix, strlen(prefix), arg);
else
name = arg;
{
if (*arg == '-')
die("bad flag '%s' used after filename", arg);
- if (check_filename(prefix, arg))
+ if (check_filename(prefix, arg) || !no_wildcard(arg))
return;
die_verify_filename(prefix, arg, diagnose_misspelt_rev);
}
"'git <command> [<revision>...] -- [<file>...]'", arg);
}
+int get_common_dir(struct strbuf *sb, const char *gitdir)
+{
+ const char *git_env_common_dir = getenv(GIT_COMMON_DIR_ENVIRONMENT);
+ if (git_env_common_dir) {
+ strbuf_addstr(sb, git_env_common_dir);
+ return 1;
+ } else {
+ return get_common_dir_noenv(sb, gitdir);
+ }
+}
+
+int get_common_dir_noenv(struct strbuf *sb, const char *gitdir)
+{
+ struct strbuf data = STRBUF_INIT;
+ struct strbuf path = STRBUF_INIT;
+ int ret = 0;
+
+ strbuf_addf(&path, "%s/commondir", gitdir);
+ if (file_exists(path.buf)) {
+ if (strbuf_read_file(&data, path.buf, 0) <= 0)
+ die_errno(_("failed to read %s"), path.buf);
+ while (data.len && (data.buf[data.len - 1] == '\n' ||
+ data.buf[data.len - 1] == '\r'))
+ data.len--;
+ data.buf[data.len] = '\0';
+ strbuf_reset(&path);
+ if (!is_absolute_path(data.buf))
+ strbuf_addf(&path, "%s/", gitdir);
+ strbuf_addbuf(&path, &data);
+ strbuf_addstr(sb, real_path(path.buf));
+ ret = 1;
+ } else
+ strbuf_addstr(sb, gitdir);
+ strbuf_release(&data);
+ strbuf_release(&path);
+ return ret;
+}
/*
* Test if it looks like we're at a git directory.
*/
int is_git_directory(const char *suspect)
{
- char path[PATH_MAX];
- size_t len = strlen(suspect);
+ struct strbuf path = STRBUF_INIT;
+ int ret = 0;
+ size_t len;
+
+ /* Check worktree-related signatures */
+ strbuf_addf(&path, "%s/HEAD", suspect);
+ if (validate_headref(path.buf))
+ goto done;
- if (PATH_MAX <= len + strlen("/objects"))
- die("Too long path: %.*s", 60, suspect);
- strcpy(path, suspect);
+ strbuf_reset(&path);
+ get_common_dir(&path, suspect);
+ len = path.len;
+
+ /* Check non-worktree-related signatures */
if (getenv(DB_ENVIRONMENT)) {
if (access(getenv(DB_ENVIRONMENT), X_OK))
- return 0;
+ goto done;
}
else {
- strcpy(path + len, "/objects");
- if (access(path, X_OK))
- return 0;
+ strbuf_setlen(&path, len);
+ strbuf_addstr(&path, "/objects");
+ if (access(path.buf, X_OK))
+ goto done;
}
- strcpy(path + len, "/refs");
- if (access(path, X_OK))
- return 0;
+ strbuf_setlen(&path, len);
+ strbuf_addstr(&path, "/refs");
+ if (access(path.buf, X_OK))
+ goto done;
- strcpy(path + len, "/HEAD");
- if (validate_headref(path))
- return 0;
+ ret = 1;
+done:
+ strbuf_release(&path);
+ return ret;
+}
- return 1;
+int is_nonbare_repository_dir(struct strbuf *path)
+{
+ int ret = 0;
+ int gitfile_error;
+ size_t orig_path_len = path->len;
+ assert(orig_path_len != 0);
+ strbuf_complete(path, '/');
+ strbuf_addstr(path, ".git");
+ if (read_gitfile_gently(path->buf, &gitfile_error) || is_git_directory(path->buf))
+ ret = 1;
+ if (gitfile_error == READ_GITFILE_ERR_OPEN_FAILED ||
+ gitfile_error == READ_GITFILE_ERR_READ_FAILED)
+ ret = 1;
+ strbuf_setlen(path, orig_path_len);
+ return ret;
}
int is_inside_git_dir(void)
if (initialized)
return;
+
+ if (work_tree_config_is_bogus)
+ die("unable to set up work tree using invalid config");
+
work_tree = get_git_work_tree();
git_dir = get_git_dir();
if (!is_absolute_path(git_dir))
initialized = 1;
}
+static int check_repo_format(const char *var, const char *value, void *cb)
+{
+ const char *ext;
+
+ if (strcmp(var, "core.repositoryformatversion") == 0)
+ repository_format_version = git_config_int(var, value);
+ else if (strcmp(var, "core.sharedrepository") == 0)
+ shared_repository = git_config_perm(var, value);
+ else if (skip_prefix(var, "extensions.", &ext)) {
+ /*
+ * record any known extensions here; otherwise,
+ * we fall through to recording it as unknown, and
+ * check_repository_format will complain
+ */
+ if (!strcmp(ext, "noop"))
+ ;
+ else if (!strcmp(ext, "preciousobjects"))
+ repository_format_precious_objects = git_config_bool(var, value);
+ else
+ string_list_append(&unknown_extensions, ext);
+ }
+ return 0;
+}
+
static int check_repository_format_gently(const char *gitdir, int *nongit_ok)
{
- char repo_config[PATH_MAX+1];
+ struct strbuf sb = STRBUF_INIT;
+ const char *repo_config;
+ config_fn_t fn;
+ int ret = 0;
+
+ string_list_clear(&unknown_extensions, 0);
+
+ if (get_common_dir(&sb, gitdir))
+ fn = check_repo_format;
+ else
+ fn = check_repository_format_version;
+ strbuf_addstr(&sb, "/config");
+ repo_config = sb.buf;
/*
* git_config() can't be used here because it calls git_pathdup()
* Use a gentler version of git_config() to check if this repo
* is a good one.
*/
- snprintf(repo_config, PATH_MAX, "%s/config", gitdir);
- git_config_early(check_repository_format_version, NULL, repo_config);
- if (GIT_REPO_VERSION < repository_format_version) {
+ git_config_early(fn, NULL, repo_config);
+ if (GIT_REPO_VERSION_READ < repository_format_version) {
if (!nongit_ok)
die ("Expected git repo version <= %d, found %d",
- GIT_REPO_VERSION, repository_format_version);
+ GIT_REPO_VERSION_READ, repository_format_version);
warning("Expected git repo version <= %d, found %d",
- GIT_REPO_VERSION, repository_format_version);
+ GIT_REPO_VERSION_READ, repository_format_version);
warning("Please upgrade Git");
*nongit_ok = -1;
- return -1;
+ ret = -1;
}
- return 0;
+
+ if (repository_format_version >= 1 && unknown_extensions.nr) {
+ int i;
+
+ if (!nongit_ok)
+ die("unknown repository extension: %s",
+ unknown_extensions.items[0].string);
+
+ for (i = 0; i < unknown_extensions.nr; i++)
+ warning("unknown repository extension: %s",
+ unknown_extensions.items[i].string);
+ *nongit_ok = -1;
+ ret = -1;
+ }
+
+ strbuf_release(&sb);
+ return ret;
}
/*
* Try to read the location of the git directory from the .git file,
* return path to git directory if found.
+ *
+ * On failure, if return_error_code is not NULL, return_error_code
+ * will be set to an error code and NULL will be returned. If
+ * return_error_code is NULL the function will die instead (for most
+ * cases).
*/
-const char *read_gitfile(const char *path)
+const char *read_gitfile_gently(const char *path, int *return_error_code)
{
- char *buf;
- char *dir;
+ const int max_file_size = 1 << 20; /* 1MB */
+ int error_code = 0;
+ char *buf = NULL;
+ char *dir = NULL;
const char *slash;
struct stat st;
int fd;
ssize_t len;
- if (stat(path, &st))
- return NULL;
- if (!S_ISREG(st.st_mode))
- return NULL;
+ if (stat(path, &st)) {
+ error_code = READ_GITFILE_ERR_STAT_FAILED;
+ goto cleanup_return;
+ }
+ if (!S_ISREG(st.st_mode)) {
+ error_code = READ_GITFILE_ERR_NOT_A_FILE;
+ goto cleanup_return;
+ }
+ if (st.st_size > max_file_size) {
+ error_code = READ_GITFILE_ERR_TOO_LARGE;
+ goto cleanup_return;
+ }
fd = open(path, O_RDONLY);
- if (fd < 0)
- die_errno("Error opening '%s'", path);
+ if (fd < 0) {
+ error_code = READ_GITFILE_ERR_OPEN_FAILED;
+ goto cleanup_return;
+ }
buf = xmalloc(st.st_size + 1);
len = read_in_full(fd, buf, st.st_size);
close(fd);
- if (len != st.st_size)
- die("Error reading %s", path);
+ if (len != st.st_size) {
+ error_code = READ_GITFILE_ERR_READ_FAILED;
+ goto cleanup_return;
+ }
buf[len] = '\0';
- if (!starts_with(buf, "gitdir: "))
- die("Invalid gitfile format: %s", path);
+ if (!starts_with(buf, "gitdir: ")) {
+ error_code = READ_GITFILE_ERR_INVALID_FORMAT;
+ goto cleanup_return;
+ }
while (buf[len - 1] == '\n' || buf[len - 1] == '\r')
len--;
- if (len < 9)
- die("No path in gitfile: %s", path);
+ if (len < 9) {
+ error_code = READ_GITFILE_ERR_NO_PATH;
+ goto cleanup_return;
+ }
buf[len] = '\0';
dir = buf + 8;
if (!is_absolute_path(dir) && (slash = strrchr(path, '/'))) {
size_t pathlen = slash+1 - path;
- size_t dirlen = pathlen + len - 8;
- dir = xmalloc(dirlen + 1);
- strncpy(dir, path, pathlen);
- strncpy(dir + pathlen, buf + 8, len - 8);
- dir[dirlen] = '\0';
+ dir = xstrfmt("%.*s%.*s", (int)pathlen, path,
+ (int)(len - 8), buf + 8);
free(buf);
buf = dir;
}
-
- if (!is_git_directory(dir))
- die("Not a git repository: %s", dir);
+ if (!is_git_directory(dir)) {
+ error_code = READ_GITFILE_ERR_NOT_A_REPO;
+ goto cleanup_return;
+ }
path = real_path(dir);
+cleanup_return:
+ if (return_error_code)
+ *return_error_code = error_code;
+ else if (error_code) {
+ switch (error_code) {
+ case READ_GITFILE_ERR_STAT_FAILED:
+ case READ_GITFILE_ERR_NOT_A_FILE:
+ /* non-fatal; follow return path */
+ break;
+ case READ_GITFILE_ERR_OPEN_FAILED:
+ die_errno("Error opening '%s'", path);
+ case READ_GITFILE_ERR_TOO_LARGE:
+ die("Too large to be a .git file: '%s'", path);
+ case READ_GITFILE_ERR_READ_FAILED:
+ die("Error reading %s", path);
+ case READ_GITFILE_ERR_INVALID_FORMAT:
+ die("Invalid gitfile format: %s", path);
+ case READ_GITFILE_ERR_NO_PATH:
+ die("No path in gitfile: %s", path);
+ case READ_GITFILE_ERR_NOT_A_REPO:
+ die("Not a git repository: %s", dir);
+ default:
+ assert(0);
+ }
+ }
+
free(buf);
- return path;
+ return error_code ? NULL : path;
}
static const char *setup_explicit_git_dir(const char *gitdirenv,
if (work_tree_env)
set_git_work_tree(work_tree_env);
else if (is_bare_repository_cfg > 0) {
- if (git_work_tree_cfg) /* #22.2, #30 */
- die("core.bare and core.worktree do not make sense");
+ if (git_work_tree_cfg) {
+ /* #22.2, #30 */
+ warning("core.bare and core.worktree do not make sense");
+ work_tree_config_is_bogus = 1;
+ }
/* #18, #26 */
set_git_dir(gitdirenv);
int check_repository_format_version(const char *var, const char *value, void *cb)
{
- if (strcmp(var, "core.repositoryformatversion") == 0)
- repository_format_version = git_config_int(var, value);
- else if (strcmp(var, "core.sharedrepository") == 0)
- shared_repository = git_config_perm(var, value);
- else if (strcmp(var, "core.bare") == 0) {
+ int ret = check_repo_format(var, value, cb);
+ if (ret)
+ return ret;
+ if (strcmp(var, "core.bare") == 0) {
is_bare_repository_cfg = git_config_bool(var, value);
if (is_bare_repository_cfg == 1)
inside_work_tree = -1;
#include "tree-walk.h"
#include "refs.h"
#include "remote.h"
+#include "dir.h"
static int get_sha1_oneline(const char *, unsigned char *, struct commit_list *);
}
fakeent->next = alt_odb_list;
- sprintf(hex, "%.2s", hex_pfx);
+ xsnprintf(hex, sizeof(hex), "%.2s", hex_pfx);
for (alt = fakeent; alt && !ds->ambiguous; alt = alt->next) {
struct dirent *de;
DIR *dir;
- sprintf(alt->name, "%.2s/", hex_pfx);
+ /*
+ * every alt_odb struct has 42 extra bytes after the base
+ * for exactly this purpose
+ */
+ xsnprintf(alt->name, 42, "%.2s/", hex_pfx);
dir = opendir(alt->base);
if (!dir)
continue;
return ds.ambiguous;
}
-const char *find_unique_abbrev(const unsigned char *sha1, int len)
+int find_unique_abbrev_r(char *hex, const unsigned char *sha1, int len)
{
int status, exists;
- static char hex[41];
- memcpy(hex, sha1_to_hex(sha1), 40);
+ sha1_to_hex_r(hex, sha1);
if (len == 40 || !len)
- return hex;
+ return 40;
exists = has_sha1_file(sha1);
while (len < 40) {
unsigned char sha1_ret[20];
? !status
: status == SHORT_NAME_NOT_FOUND) {
hex[len] = 0;
- return hex;
+ return len;
}
len++;
}
+ return len;
+}
+
+const char *find_unique_abbrev(const unsigned char *sha1, int len)
+{
+ static char hex[GIT_SHA1_HEXSZ + 1];
+ find_unique_abbrev_r(hex, sha1, len);
return hex;
}
return slash;
}
-static inline int upstream_mark(const char *string, int len)
+static inline int at_mark(const char *string, int len,
+ const char **suffix, int nr)
{
- const char *suffix[] = { "@{upstream}", "@{u}" };
int i;
- for (i = 0; i < ARRAY_SIZE(suffix); i++) {
+ for (i = 0; i < nr; i++) {
int suffix_len = strlen(suffix[i]);
if (suffix_len <= len
&& !memcmp(string, suffix[i], suffix_len))
return 0;
}
+static inline int upstream_mark(const char *string, int len)
+{
+ const char *suffix[] = { "@{upstream}", "@{u}" };
+ return at_mark(string, len, suffix, ARRAY_SIZE(suffix));
+}
+
+static inline int push_mark(const char *string, int len)
+{
+ const char *suffix[] = { "@{push}" };
+ return at_mark(string, len, suffix, ARRAY_SIZE(suffix));
+}
+
static int get_sha1_1(const char *name, int len, unsigned char *sha1, unsigned lookup_flags);
static int interpret_nth_prior_checkout(const char *name, int namelen, struct strbuf *buf);
nth_prior = 1;
continue;
}
- if (!upstream_mark(str + at, len - at)) {
+ if (!upstream_mark(str + at, len - at) &&
+ !push_mark(str + at, len - at)) {
reflog_len = (len-1) - (at+2);
len = at;
}
if (!(flags & GET_SHA1_QUIETLY)) {
warning("Log for '%.*s' only goes "
"back to %s.", len, str,
- show_date(co_time, co_tz, DATE_RFC2822));
+ show_date(co_time, co_tz, DATE_MODE(RFC2822)));
}
} else {
if (flags & GET_SHA1_QUIETLY) {
if (parse_commit(commit))
return -1;
if (!idx) {
- hashcpy(result, commit->object.sha1);
+ hashcpy(result, commit->object.oid.hash);
return 0;
}
p = commit->parents;
while (p) {
if (!--idx) {
- hashcpy(result, p->item->object.sha1);
+ hashcpy(result, p->item->object.oid.hash);
return 0;
}
p = p->next;
return -1;
commit = commit->parents->item;
}
- hashcpy(result, commit->object.sha1);
+ hashcpy(result, commit->object.oid.hash);
return 0;
}
if (name && !namelen)
namelen = strlen(name);
while (1) {
- if (!o || (!o->parsed && !parse_object(o->sha1)))
+ if (!o || (!o->parsed && !parse_object(o->oid.hash)))
return NULL;
if (expected_type == OBJ_ANY || o->type == expected_type)
return o;
return -1;
if (!expected_type) {
o = deref_tag(o, name, sp - name - 2);
- if (!o || (!o->parsed && !parse_object(o->sha1)))
+ if (!o || (!o->parsed && !parse_object(o->oid.hash)))
return -1;
- hashcpy(sha1, o->sha1);
+ hashcpy(sha1, o->oid.hash);
return 0;
}
if (!o)
return -1;
- hashcpy(sha1, o->sha1);
+ hashcpy(sha1, o->oid.hash);
if (sp[0] == '/') {
/* "$commit^{/foo}" */
char *prefix;
* through history and returning the first commit whose message starts
* the given regular expression.
*
- * For future extension, ':/!' is reserved. If you want to match a message
- * beginning with a '!', you have to repeat the exclamation mark.
+ * For negative-matching, prefix the pattern-part with '!-', like: ':/!-WIP'.
+ *
+ * For a literal '!' character at the beginning of a pattern, you have to repeat
+ * that, like: ':/!!foo'
+ *
+ * For future extension, all other sequences beginning with ':/!' are reserved.
*/
/* Remember to update object flag allocation in object.h */
#define ONELINE_SEEN (1u<<20)
-static int handle_one_ref(const char *path,
- const unsigned char *sha1, int flag, void *cb_data)
+static int handle_one_ref(const char *path, const struct object_id *oid,
+ int flag, void *cb_data)
{
struct commit_list **list = cb_data;
- struct object *object = parse_object(sha1);
+ struct object *object = parse_object(oid->hash);
if (!object)
return 0;
if (object->type == OBJ_TAG) {
{
struct commit_list *backup = NULL, *l;
int found = 0;
+ int negative = 0;
regex_t regex;
if (prefix[0] == '!') {
- if (prefix[1] != '!')
- return -1;
prefix++;
- die ("Invalid search pattern: %s", prefix);
+
+ if (prefix[0] == '-') {
+ prefix++;
+ negative = 1;
+ } else if (prefix[0] != '!') {
++ return -1;
+ }
}
if (regcomp(®ex, prefix, REG_EXTENDED))
- die("Invalid search pattern: %s", prefix);
+ return -1;
for (l = list; l; l = l->next) {
l->item->object.flags |= ONELINE_SEEN;
int matches;
commit = pop_most_recent_commit(&list, ONELINE_SEEN);
- if (!parse_object(commit->object.sha1))
+ if (!parse_object(commit->object.oid.hash))
continue;
buf = get_commit_buffer(commit, NULL);
p = strstr(buf, "\n\n");
- matches = p && !regexec(®ex, p + 2, 0, NULL, 0);
+ matches = negative ^ (p && !regexec(®ex, p + 2, 0, NULL, 0));
unuse_commit_buffer(commit, buf);
if (matches) {
- hashcpy(sha1, commit->object.sha1);
+ hashcpy(sha1, commit->object.oid.hash);
found = 1;
break;
}
st = -1;
else {
st = 0;
- hashcpy(sha1, mbs->item->object.sha1);
+ hashcpy(sha1, mbs->item->object.oid.hash);
}
free_commit_list(mbs);
return st;
free(s);
}
-static const char *get_upstream_branch(const char *branch_buf, int len)
-{
- char *branch = xstrndup(branch_buf, len);
- struct branch *upstream = branch_get(*branch ? branch : NULL);
-
- /*
- * Upstream can be NULL only if branch refers to HEAD and HEAD
- * points to something different than a branch.
- */
- if (!upstream)
- die(_("HEAD does not point to a branch"));
- if (!upstream->merge || !upstream->merge[0]->dst) {
- if (!ref_exists(upstream->refname))
- die(_("No such branch: '%s'"), branch);
- if (!upstream->merge) {
- die(_("No upstream configured for branch '%s'"),
- upstream->name);
- }
- die(
- _("Upstream branch '%s' not stored as a remote-tracking branch"),
- upstream->merge[0]->src);
- }
- free(branch);
-
- return upstream->merge[0]->dst;
-}
-
-static int interpret_upstream_mark(const char *name, int namelen,
- int at, struct strbuf *buf)
+static int interpret_branch_mark(const char *name, int namelen,
+ int at, struct strbuf *buf,
+ int (*get_mark)(const char *, int),
+ const char *(*get_data)(struct branch *,
+ struct strbuf *))
{
int len;
+ struct branch *branch;
+ struct strbuf err = STRBUF_INIT;
+ const char *value;
- len = upstream_mark(name + at, namelen - at);
+ len = get_mark(name + at, namelen - at);
if (!len)
return -1;
if (memchr(name, ':', at))
return -1;
- set_shortened_ref(buf, get_upstream_branch(name, at));
+ if (at) {
+ char *name_str = xmemdupz(name, at);
+ branch = branch_get(name_str);
+ free(name_str);
+ } else
+ branch = branch_get(NULL);
+
+ value = get_data(branch, &err);
+ if (!value)
+ die("%s", err.buf);
+
+ set_shortened_ref(buf, value);
return len + at;
}
if (len > 0)
return reinterpret(name, namelen, len, buf);
- len = interpret_upstream_mark(name, namelen, at - name, buf);
+ len = interpret_branch_mark(name, namelen, at - name, buf,
+ upstream_mark, branch_get_upstream);
+ if (len > 0)
+ return len;
+
+ len = interpret_branch_mark(name, namelen, at - name, buf,
+ push_mark, branch_get_push);
if (len > 0)
return len;
}
const char *object_name,
int object_name_len)
{
- struct stat st;
unsigned char sha1[20];
unsigned mode;
if (!prefix)
prefix = "";
- if (!lstat(filename, &st))
+ if (file_exists(filename))
die("Path '%s' exists on disk, but not in '%.*s'.",
filename, object_name_len, object_name);
if (errno == ENOENT || errno == ENOTDIR) {
const char *prefix,
const char *filename)
{
- struct stat st;
const struct cache_entry *ce;
int pos;
unsigned namelen = strlen(filename);
- unsigned fullnamelen;
- char *fullname;
+ struct strbuf fullname = STRBUF_INIT;
if (!prefix)
prefix = "";
}
/* Confusion between relative and absolute filenames? */
- fullnamelen = namelen + strlen(prefix);
- fullname = xmalloc(fullnamelen + 1);
- strcpy(fullname, prefix);
- strcat(fullname, filename);
- pos = cache_name_pos(fullname, fullnamelen);
+ strbuf_addstr(&fullname, prefix);
+ strbuf_addstr(&fullname, filename);
+ pos = cache_name_pos(fullname.buf, fullname.len);
if (pos < 0)
pos = -pos - 1;
if (pos < active_nr) {
ce = active_cache[pos];
- if (ce_namelen(ce) == fullnamelen &&
- !memcmp(ce->name, fullname, fullnamelen))
+ if (ce_namelen(ce) == fullname.len &&
+ !memcmp(ce->name, fullname.buf, fullname.len))
die("Path '%s' is in the index, but not '%s'.\n"
"Did you mean ':%d:%s' aka ':%d:./%s'?",
- fullname, filename,
- ce_stage(ce), fullname,
+ fullname.buf, filename,
+ ce_stage(ce), fullname.buf,
ce_stage(ce), filename);
}
- if (!lstat(filename, &st))
+ if (file_exists(filename))
die("Path '%s' exists on disk, but not in the index.", filename);
if (errno == ENOENT || errno == ENOTDIR)
die("Path '%s' does not exist (neither on disk nor in the index).",
filename);
- free(fullname);
+ strbuf_release(&fullname);
}
int pos;
if (!only_to_die && namelen > 2 && name[1] == '/') {
struct commit_list *list = NULL;
+
for_each_ref(handle_one_ref, &list);
commit_list_sort_by_date(&list);
return get_sha1_oneline(name + 2, sha1, list);
new_filename = resolve_relative_path(filename);
if (new_filename)
filename = new_filename;
- ret = get_tree_entry(tree_sha1, filename, sha1, &oc->mode);
- if (ret && only_to_die) {
- diagnose_invalid_sha1_path(prefix, filename,
- tree_sha1,
- name, len);
+ if (flags & GET_SHA1_FOLLOW_SYMLINKS) {
+ ret = get_tree_entry_follow_symlinks(tree_sha1,
+ filename, sha1, &oc->symlink_path,
+ &oc->mode);
+ } else {
+ ret = get_tree_entry(tree_sha1, filename,
+ sha1, &oc->mode);
+ if (ret && only_to_die) {
+ diagnose_invalid_sha1_path(prefix,
+ filename,
+ tree_sha1,
+ name, len);
+ }
}
hashcpy(oc->tree, tree_sha1);
strlcpy(oc->path, filename, sizeof(oc->path));
int get_sha1_with_context(const char *str, unsigned flags, unsigned char *sha1, struct object_context *orc)
{
+ if (flags & GET_SHA1_FOLLOW_SYMLINKS && flags & GET_SHA1_ONLY_TO_DIE)
+ die("BUG: incompatible flags for get_sha1_with_context");
return get_sha1_with_context_1(str, flags, NULL, sha1, orc);
}