static const char *argv_show_branch[] = {"show-branch", NULL, NULL};
static const char *argv_update_ref[] = {"update-ref", "--no-deref", "BISECT_HEAD", NULL, NULL};
+static const char *term_bad;
+static const char *term_good;
+
/* Remember to update object flag allocation in object.h */
#define COUNTED (1u<<16)
static int register_ref(const char *refname, const struct object_id *oid,
int flags, void *cb_data)
{
- if (!strcmp(refname, "bad")) {
+ struct strbuf good_prefix = STRBUF_INIT;
+ strbuf_addstr(&good_prefix, term_good);
+ strbuf_addstr(&good_prefix, "-");
+
+ if (!strcmp(refname, term_bad)) {
current_bad_oid = xmalloc(sizeof(*current_bad_oid));
oidcpy(current_bad_oid, oid);
- } else if (starts_with(refname, "good-")) {
+ } else if (starts_with(refname, good_prefix.buf)) {
sha1_array_append(&good_revs, oid->hash);
} else if (starts_with(refname, "skip-")) {
sha1_array_append(&skipped_revs, oid->hash);
}
+ strbuf_release(&good_prefix);
+
return 0;
}
return for_each_ref_in("refs/bisect/", register_ref, NULL);
}
+ static GIT_PATH_FUNC(git_path_bisect_names, "BISECT_NAMES")
+ static GIT_PATH_FUNC(git_path_bisect_expected_rev, "BISECT_EXPECTED_REV")
+
static void read_bisect_paths(struct argv_array *array)
{
struct strbuf str = STRBUF_INIT;
- const char *filename = git_path("BISECT_NAMES");
+ const char *filename = git_path_bisect_names();
FILE *fp = fopen(filename, "r");
if (!fp)
return;
printf("There are only 'skip'ped commits left to test.\n"
- "The first bad commit could be any of:\n");
+ "The first %s commit could be any of:\n", term_bad);
print_commit_list(tried, "%s\n", "%s\n");
if (bad)
printf("%s\n", oid_to_hex(bad));
static int is_expected_rev(const struct object_id *oid)
{
- const char *filename = git_path("BISECT_EXPECTED_REV");
+ const char *filename = git_path_bisect_expected_rev();
struct stat st;
struct strbuf str = STRBUF_INIT;
FILE *fp;
if (is_expected_rev(current_bad_oid)) {
char *bad_hex = oid_to_hex(current_bad_oid);
char *good_hex = join_sha1_array_hex(&good_revs, ' ');
-
- fprintf(stderr, "The merge base %s is bad.\n"
- "This means the bug has been fixed "
- "between %s and [%s].\n",
- bad_hex, bad_hex, good_hex);
-
+ if (!strcmp(term_bad, "bad") && !strcmp(term_good, "good")) {
+ fprintf(stderr, "The merge base %s is bad.\n"
+ "This means the bug has been fixed "
+ "between %s and [%s].\n",
+ bad_hex, bad_hex, good_hex);
+ } else {
+ fprintf(stderr, "The merge base %s is %s.\n"
+ "This means the first '%s' commit is "
+ "between %s and [%s].\n",
+ bad_hex, term_bad, term_good, bad_hex, good_hex);
+ }
exit(3);
}
- fprintf(stderr, "Some good revs are not ancestor of the bad rev.\n"
+ fprintf(stderr, "Some %s revs are not ancestor of the %s rev.\n"
"git bisect cannot work properly in this case.\n"
- "Maybe you mistake good and bad revs?\n");
+ "Maybe you mistook %s and %s revs?\n",
+ term_good, term_bad, term_good, term_bad);
exit(1);
}
warning("the merge base between %s and [%s] "
"must be skipped.\n"
- "So we cannot be sure the first bad commit is "
+ "So we cannot be sure the first %s commit is "
"between %s and %s.\n"
"We continue anyway.",
- bad_hex, good_hex, mb_hex, bad_hex);
+ bad_hex, good_hex, term_bad, mb_hex, bad_hex);
free(good_hex);
}
int fd;
if (!current_bad_oid)
- die("a bad revision is needed");
+ die("a %s revision is needed", term_bad);
/* Check if file BISECT_ANCESTORS_OK exists. */
if (!stat(filename, &st) && S_ISREG(st.st_mode))
log_tree_commit(&opt, commit);
}
+/*
+ * The terms used for this bisect session are stored in BISECT_TERMS.
+ * We read them and store them to adapt the messages accordingly.
+ * Default is bad/good.
+ */
+void read_bisect_terms(const char **read_bad, const char **read_good)
+{
+ struct strbuf str = STRBUF_INIT;
+ const char *filename = git_path("BISECT_TERMS");
+ FILE *fp = fopen(filename, "r");
+
+ if (!fp) {
+ if (errno == ENOENT) {
+ *read_bad = "bad";
+ *read_good = "good";
+ return;
+ } else {
+ die("could not read file '%s': %s", filename,
+ strerror(errno));
+ }
+ } else {
+ strbuf_getline(&str, fp, '\n');
+ *read_bad = strbuf_detach(&str, NULL);
+ strbuf_getline(&str, fp, '\n');
+ *read_good = strbuf_detach(&str, NULL);
+ }
+ strbuf_release(&str);
+ fclose(fp);
+}
+
/*
* We use the convention that exiting with an exit code 10 means that
* the bisection process finished successfully.
const unsigned char *bisect_rev;
char bisect_rev_hex[GIT_SHA1_HEXSZ + 1];
+ read_bisect_terms(&term_bad, &term_good);
if (read_bisect_refs())
die("reading bisect refs failed");
*/
exit_if_skipped_commits(tried, NULL);
- printf("%s was both good and bad\n",
- oid_to_hex(current_bad_oid));
+ printf("%s was both %s and %s\n",
+ oid_to_hex(current_bad_oid),
+ term_good,
+ term_bad);
exit(1);
}
if (!hashcmp(bisect_rev, current_bad_oid->hash)) {
exit_if_skipped_commits(tried, current_bad_oid);
- printf("%s is the first bad commit\n", bisect_rev_hex);
+ printf("%s is the first %s commit\n", bisect_rev_hex,
+ term_bad);
show_diff_tree(prefix, revs.commits->item);
/* This means the bisection process succeeded. */
exit(10);
void remove_branch_state(void)
{
- unlink(git_path("CHERRY_PICK_HEAD"));
- unlink(git_path("REVERT_HEAD"));
- unlink(git_path("MERGE_HEAD"));
- unlink(git_path("MERGE_RR"));
- unlink(git_path("MERGE_MSG"));
- unlink(git_path("MERGE_MODE"));
- unlink(git_path("SQUASH_MSG"));
+ unlink(git_path_cherry_pick_head());
+ unlink(git_path_revert_head());
+ unlink(git_path_merge_head());
+ unlink(git_path_merge_rr());
+ unlink(git_path_merge_msg());
+ unlink(git_path_merge_mode());
+ unlink(git_path_squash_msg());
}
+
+static void check_linked_checkout(const char *branch, const char *id)
+{
+ struct strbuf sb = STRBUF_INIT;
+ struct strbuf path = STRBUF_INIT;
+ struct strbuf gitdir = STRBUF_INIT;
+
+ /*
+ * $GIT_COMMON_DIR/HEAD is practically outside
+ * $GIT_DIR so resolve_ref_unsafe() won't work (it
+ * uses git_path). Parse the ref ourselves.
+ */
+ if (id)
+ strbuf_addf(&path, "%s/worktrees/%s/HEAD", get_git_common_dir(), id);
+ else
+ strbuf_addf(&path, "%s/HEAD", get_git_common_dir());
+
+ if (!strbuf_readlink(&sb, path.buf, 0)) {
+ if (!starts_with(sb.buf, "refs/") ||
+ check_refname_format(sb.buf, 0))
+ goto done;
+ } else if (strbuf_read_file(&sb, path.buf, 0) >= 0 &&
+ starts_with(sb.buf, "ref:")) {
+ strbuf_remove(&sb, 0, strlen("ref:"));
+ strbuf_trim(&sb);
+ } else
+ goto done;
+ if (strcmp(sb.buf, branch))
+ goto done;
+ if (id) {
+ strbuf_reset(&path);
+ strbuf_addf(&path, "%s/worktrees/%s/gitdir", get_git_common_dir(), id);
+ if (strbuf_read_file(&gitdir, path.buf, 0) <= 0)
+ goto done;
+ strbuf_rtrim(&gitdir);
+ } else
+ strbuf_addstr(&gitdir, get_git_common_dir());
+ skip_prefix(branch, "refs/heads/", &branch);
+ strbuf_strip_suffix(&gitdir, ".git");
+ die(_("'%s' is already checked out at '%s'"), branch, gitdir.buf);
+done:
+ strbuf_release(&path);
+ strbuf_release(&sb);
+ strbuf_release(&gitdir);
+}
+
+void die_if_checked_out(const char *branch)
+{
+ struct strbuf path = STRBUF_INIT;
+ DIR *dir;
+ struct dirent *d;
+
+ check_linked_checkout(branch, NULL);
+
+ strbuf_addf(&path, "%s/worktrees", get_git_common_dir());
+ dir = opendir(path.buf);
+ strbuf_release(&path);
+ if (!dir)
+ return;
+
+ while ((d = readdir(dir)) != NULL) {
+ if (!strcmp(d->d_name, ".") || !strcmp(d->d_name, ".."))
+ continue;
+ check_linked_checkout(branch, d->d_name);
+ }
+ closedir(dir);
+}
"submodule", "update", "--init", "--recursive", NULL
};
- static char *get_repo_path(const char *repo, int *is_bundle)
+ static const char *get_repo_path_1(struct strbuf *path, int *is_bundle)
{
static char *suffix[] = { "/.git", "", ".git/.git", ".git" };
static char *bundle_suffix[] = { ".bundle", "" };
+ size_t baselen = path->len;
struct stat st;
int i;
for (i = 0; i < ARRAY_SIZE(suffix); i++) {
- const char *path;
- path = mkpath("%s%s", repo, suffix[i]);
- if (stat(path, &st))
+ strbuf_setlen(path, baselen);
+ strbuf_addstr(path, suffix[i]);
+ if (stat(path->buf, &st))
continue;
- if (S_ISDIR(st.st_mode) && is_git_directory(path)) {
+ if (S_ISDIR(st.st_mode) && is_git_directory(path->buf)) {
*is_bundle = 0;
- return xstrdup(absolute_path(path));
+ return path->buf;
} else if (S_ISREG(st.st_mode) && st.st_size > 8) {
/* Is it a "gitfile"? */
char signature[8];
- int len, fd = open(path, O_RDONLY);
+ const char *dst;
+ int len, fd = open(path->buf, O_RDONLY);
if (fd < 0)
continue;
len = read_in_full(fd, signature, 8);
close(fd);
if (len != 8 || strncmp(signature, "gitdir: ", 8))
continue;
- path = read_gitfile(path);
- if (path) {
+ dst = read_gitfile(path->buf);
+ if (dst) {
*is_bundle = 0;
- return xstrdup(absolute_path(path));
+ return dst;
}
}
}
for (i = 0; i < ARRAY_SIZE(bundle_suffix); i++) {
- const char *path;
- path = mkpath("%s%s", repo, bundle_suffix[i]);
- if (!stat(path, &st) && S_ISREG(st.st_mode)) {
+ strbuf_setlen(path, baselen);
+ strbuf_addstr(path, bundle_suffix[i]);
+ if (!stat(path->buf, &st) && S_ISREG(st.st_mode)) {
*is_bundle = 1;
- return xstrdup(absolute_path(path));
+ return path->buf;
}
}
return NULL;
}
+ static char *get_repo_path(const char *repo, int *is_bundle)
+ {
+ struct strbuf path = STRBUF_INIT;
+ const char *raw;
+ char *canon;
+
+ strbuf_addstr(&path, repo);
+ raw = get_repo_path_1(&path, is_bundle);
+ canon = raw ? xstrdup(absolute_path(raw)) : NULL;
+ strbuf_release(&path);
+ return canon;
+ }
+
static char *guess_dir_name(const char *repo, int is_bundle, int is_bare)
{
- const char *end = repo + strlen(repo), *start;
+ const char *end = repo + strlen(repo), *start, *ptr;
size_t len;
char *dir;
+ /*
+ * Skip scheme.
+ */
+ start = strstr(repo, "://");
+ if (start == NULL)
+ start = repo;
+ else
+ start += 3;
+
+ /*
+ * Skip authentication data. The stripping does happen
+ * greedily, such that we strip up to the last '@' inside
+ * the host part.
+ */
+ for (ptr = start; ptr < end && !is_dir_sep(*ptr); ptr++) {
+ if (*ptr == '@')
+ start = ptr + 1;
+ }
+
/*
* Strip trailing spaces, slashes and /.git
*/
- while (repo < end && (is_dir_sep(end[-1]) || isspace(end[-1])))
+ while (start < end && (is_dir_sep(end[-1]) || isspace(end[-1])))
end--;
- if (end - repo > 5 && is_dir_sep(end[-5]) &&
+ if (end - start > 5 && is_dir_sep(end[-5]) &&
!strncmp(end - 4, ".git", 4)) {
end -= 5;
- while (repo < end && is_dir_sep(end[-1]))
+ while (start < end && is_dir_sep(end[-1]))
end--;
}
/*
- * Find last component, but be prepared that repo could have
- * the form "remote.example.com:foo.git", i.e. no slash
- * in the directory part.
+ * Strip trailing port number if we've got only a
+ * hostname (that is, there is no dir separator but a
+ * colon). This check is required such that we do not
+ * strip URI's like '/foo/bar:2222.git', which should
+ * result in a dir '2222' being guessed due to backwards
+ * compatibility.
+ */
+ if (memchr(start, '/', end - start) == NULL
+ && memchr(start, ':', end - start) != NULL) {
+ ptr = end;
+ while (start < ptr && isdigit(ptr[-1]) && ptr[-1] != ':')
+ ptr--;
+ if (start < ptr && ptr[-1] == ':')
+ end = ptr - 1;
+ }
+
+ /*
+ * Find last component. To remain backwards compatible we
+ * also regard colons as path separators, such that
+ * cloning a repository 'foo:bar.git' would result in a
+ * directory 'bar' being guessed.
*/
- start = end;
- while (repo < start && !is_dir_sep(start[-1]) && start[-1] != ':')
- start--;
+ ptr = end;
+ while (start < ptr && !is_dir_sep(ptr[-1]) && ptr[-1] != ':')
+ ptr--;
+ start = ptr;
/*
* Strip .{bundle,git}.
*/
- strip_suffix(start, is_bundle ? ".bundle" : ".git" , &len);
+ len = end - start;
+ strip_suffix_mem(start, &len, is_bundle ? ".bundle" : ".git");
+
+ if (!len || (len == 1 && *start == '/'))
+ die("No directory name could be guessed.\n"
+ "Please specify a directory on the command line");
if (is_bare)
dir = xstrfmt("%.*s.git", (int)len, start);
const char *what, *kind;
struct ref *rm;
char *url;
- const char *filename = dry_run ? "/dev/null" : git_path("FETCH_HEAD");
+ const char *filename = dry_run ? "/dev/null" : git_path_fetch_head();
int want_status;
fp = fopen(filename, "a");
static int truncate_fetch_head(void)
{
- const char *filename = git_path("FETCH_HEAD");
+ const char *filename = git_path_fetch_head();
FILE *fp = fopen(filename, "w");
if (!fp)
{
struct remote_group_data *g = priv;
- if (starts_with(key, "remotes.") &&
- !strcmp(key + 8, g->name)) {
+ if (skip_prefix(key, "remotes.", &key) && !strcmp(key, g->name)) {
/* split list by white space */
- int space = strcspn(value, " \t\n");
while (*value) {
- if (space > 1) {
+ size_t wordlen = strcspn(value, " \t\n");
+
+ if (wordlen >= 1)
string_list_append(g->list,
- xstrndup(value, space));
- }
- value += space + (value[space] != '\0');
- space = strcspn(value, " \t\n");
+ xstrndup(value, wordlen));
+ value += wordlen + (value[wordlen] != '\0');
}
}
#define DATA_CHANGED 0x0020
#define TYPE_CHANGED 0x0040
+ /*
+ * Return a statically allocated filename, either generically (mkpath), in
+ * the repository directory (git_path), or in a submodule's repository
+ * directory (git_path_submodule). In all cases, note that the result
+ * may be overwritten by another call to _any_ of the functions. Consider
+ * using the safer "dup" or "strbuf" formats below (in some cases, the
+ * unsafe versions have already been removed).
+ */
+ extern const char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
+ extern const char *git_path(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
+
extern char *mksnpath(char *buf, size_t n, const char *fmt, ...)
__attribute__((format (printf, 3, 4)));
extern void strbuf_git_path(struct strbuf *sb, const char *fmt, ...)
__attribute__((format (printf, 2, 3)));
+ extern void strbuf_git_path_submodule(struct strbuf *sb, const char *path,
+ const char *fmt, ...)
+ __attribute__((format (printf, 3, 4)));
extern char *git_pathdup(const char *fmt, ...)
__attribute__((format (printf, 1, 2)));
extern char *mkpathdup(const char *fmt, ...)
__attribute__((format (printf, 1, 2)));
-
- /* Return a statically allocated filename matching the sha1 signature */
- extern const char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
- extern const char *git_path(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
- extern const char *git_path_submodule(const char *path, const char *fmt, ...)
+ extern char *git_pathdup_submodule(const char *path, const char *fmt, ...)
__attribute__((format (printf, 2, 3)));
+
extern void report_linked_checkout_garbage(void);
+ /*
+ * You can define a static memoized git path like:
+ *
+ * static GIT_PATH_FUNC(git_path_foo, "FOO");
+ *
+ * or use one of the global ones below.
+ */
+ #define GIT_PATH_FUNC(func, filename) \
+ const char *func(void) \
+ { \
+ static char *ret; \
+ if (!ret) \
+ ret = git_pathdup(filename); \
+ return ret; \
+ }
+
+ const char *git_path_cherry_pick_head(void);
+ const char *git_path_revert_head(void);
+ const char *git_path_squash_msg(void);
+ const char *git_path_merge_msg(void);
+ const char *git_path_merge_rr(void);
+ const char *git_path_merge_mode(void);
+ const char *git_path_merge_head(void);
+ const char *git_path_fetch_head(void);
+ const char *git_path_shallow(void);
+
/*
* Return the name of the file in the local object database that would
* be used to store a loose object with the specified sha1. The
extern int check_sha1_signature(const unsigned char *sha1, void *buf, unsigned long size, const char *type);
-extern int move_temp_to_file(const char *tmpfile, const char *filename);
+extern int finalize_object_file(const char *tmpfile, const char *filename);
extern int has_sha1_pack(const unsigned char *sha1);
(!untracked || !untracked->valid ||
/*
* .. and .gitignore does not exist before
- * (i.e. null exclude_sha1 and skip_worktree is
- * not set). Then we can skip loading .gitignore,
- * which would result in ENOENT anyway.
- * skip_worktree is taken care in read_directory()
+ * (i.e. null exclude_sha1). Then we can skip
+ * loading .gitignore, which would result in
+ * ENOENT anyway.
*/
!is_null_sha1(untracked->exclude_sha1))) {
/*
const struct pathspec *pathspec)
{
struct untracked_cache_dir *root;
- int i;
if (!dir->untracked || getenv("GIT_DISABLE_UNTRACKED_CACHE"))
return NULL;
if (dir->exclude_list_group[EXC_CMDL].nr)
return NULL;
- /*
- * An optimization in prep_exclude() does not play well with
- * CE_SKIP_WORKTREE. It's a rare case anyway, if a single
- * entry has that bit set, disable the whole untracked cache.
- */
- for (i = 0; i < active_nr; i++)
- if (ce_skip_worktree(active_cache[i]))
- return NULL;
-
if (!ident_in_untracked(dir->untracked)) {
warning(_("Untracked cache is disabled on this system."));
return NULL;
return remove_dir_recurse(path, flag, NULL);
}
+ static GIT_PATH_FUNC(git_path_info_exclude, "info/exclude")
+
void setup_standard_excludes(struct dir_struct *dir)
{
const char *path;
dir->untracked ? &dir->ss_excludes_file : NULL);
/* per repository user preference */
- path = git_path("info/exclude");
+ path = git_path_info_exclude();
if (!access_or_warn(path, R_OK, 0))
add_excludes_from_file_1(dir, path,
dir->untracked ? &dir->ss_info_exclude : NULL);
static void write_crash_report(const char *err)
{
- const char *loc = git_path("fast_import_crash_%"PRIuMAX, (uintmax_t) getpid());
+ char *loc = git_pathdup("fast_import_crash_%"PRIuMAX, (uintmax_t) getpid());
FILE *rpt = fopen(loc, "w");
struct branch *b;
unsigned long lu;
if (!rpt) {
error("can't write crash report %s: %s", loc, strerror(errno));
+ free(loc);
return;
}
fputs("-------------------\n", rpt);
fputs("END OF CRASH REPORT\n", rpt);
fclose(rpt);
+ free(loc);
}
static void end_packfile(void);
snprintf(name, sizeof(name), "%s/pack/pack-%s.pack",
get_object_directory(), sha1_to_hex(pack_data->sha1));
- if (move_temp_to_file(pack_data->pack_name, name))
+ if (finalize_object_file(pack_data->pack_name, name))
die("cannot store pack file");
snprintf(name, sizeof(name), "%s/pack/pack-%s.idx",
get_object_directory(), sha1_to_hex(pack_data->sha1));
- if (move_temp_to_file(curr_index_name, name))
+ if (finalize_object_file(curr_index_name, name))
die("cannot store index file");
free((void *)curr_index_name);
return name;
*/
static struct packed_ref_cache *get_packed_ref_cache(struct ref_cache *refs)
{
- const char *packed_refs_file;
+ char *packed_refs_file;
if (*refs->name)
- packed_refs_file = git_path_submodule(refs->name, "packed-refs");
+ packed_refs_file = git_pathdup_submodule(refs->name, "packed-refs");
else
- packed_refs_file = git_path("packed-refs");
+ packed_refs_file = git_pathdup("packed-refs");
if (refs->packed &&
!stat_validity_check(&refs->packed->validity, packed_refs_file))
fclose(f);
}
}
+ free(packed_refs_file);
return refs->packed;
}
{
struct ref_cache *refs = dir->ref_cache;
DIR *d;
- const char *path;
struct dirent *de;
int dirnamelen = strlen(dirname);
struct strbuf refname;
+ struct strbuf path = STRBUF_INIT;
+ size_t path_baselen;
if (*refs->name)
- path = git_path_submodule(refs->name, "%s", dirname);
+ strbuf_git_path_submodule(&path, refs->name, "%s", dirname);
else
- path = git_path("%s", dirname);
+ strbuf_git_path(&path, "%s", dirname);
+ path_baselen = path.len;
- d = opendir(path);
- if (!d)
+ d = opendir(path.buf);
+ if (!d) {
+ strbuf_release(&path);
return;
+ }
strbuf_init(&refname, dirnamelen + 257);
strbuf_add(&refname, dirname, dirnamelen);
unsigned char sha1[20];
struct stat st;
int flag;
- const char *refdir;
if (de->d_name[0] == '.')
continue;
if (ends_with(de->d_name, ".lock"))
continue;
strbuf_addstr(&refname, de->d_name);
- refdir = *refs->name
- ? git_path_submodule(refs->name, "%s", refname.buf)
- : git_path("%s", refname.buf);
- if (stat(refdir, &st) < 0) {
+ strbuf_addstr(&path, de->d_name);
+ if (stat(path.buf, &st) < 0) {
; /* silently ignore */
} else if (S_ISDIR(st.st_mode)) {
strbuf_addch(&refname, '/');
create_ref_entry(refname.buf, sha1, flag, 0));
}
strbuf_setlen(&refname, dirnamelen);
+ strbuf_setlen(&path, path_baselen);
}
strbuf_release(&refname);
+ strbuf_release(&path);
closedir(d);
}
{
int fd, len;
char buffer[128], *p;
- const char *path;
+ char *path;
if (recursion > MAXDEPTH || strlen(refname) > MAXREFLEN)
return -1;
path = *refs->name
- ? git_path_submodule(refs->name, "%s", refname)
- : git_path("%s", refname);
+ ? git_pathdup_submodule(refs->name, "%s", refname)
+ : git_pathdup("%s", refname);
fd = open(path, O_RDONLY);
+ free(path);
if (fd < 0)
return resolve_gitlink_packed_ref(refs, refname, sha1);
return 0;
}
- static int remove_empty_directories(const char *file)
+ static int remove_empty_directories(struct strbuf *path)
{
- /* we want to create a file but there is a directory there;
+ /*
+ * we want to create a file but there is a directory there;
* if that is an empty directory (or a directory that contains
* only empty directories), remove them.
*/
- struct strbuf path;
- int result, save_errno;
-
- strbuf_init(&path, 20);
- strbuf_addstr(&path, file);
-
- result = remove_dir_recursively(&path, REMOVE_DIR_EMPTY_ONLY);
- save_errno = errno;
-
- strbuf_release(&path);
- errno = save_errno;
-
- return result;
+ return remove_dir_recursively(path, REMOVE_DIR_EMPTY_ONLY);
}
/*
unsigned int flags, int *type_p,
struct strbuf *err)
{
- const char *ref_file;
+ struct strbuf ref_file = STRBUF_INIT;
+ struct strbuf orig_ref_file = STRBUF_INIT;
const char *orig_refname = refname;
struct ref_lock *lock;
int last_errno = 0;
refname = resolve_ref_unsafe(refname, resolve_flags,
lock->old_oid.hash, &type);
if (!refname && errno == EISDIR) {
- /* we are trying to lock foo but we used to
+ /*
+ * we are trying to lock foo but we used to
* have foo/bar which now does not exist;
* it is normal for the empty directory 'foo'
* to remain.
*/
- ref_file = git_path("%s", orig_refname);
- if (remove_empty_directories(ref_file)) {
+ strbuf_git_path(&orig_ref_file, "%s", orig_refname);
+ if (remove_empty_directories(&orig_ref_file)) {
last_errno = errno;
-
if (!verify_refname_available(orig_refname, extras, skip,
get_loose_refs(&ref_cache), err))
strbuf_addf(err, "there are still refs under '%s'",
orig_refname);
-
goto error_return;
}
refname = resolve_ref_unsafe(orig_refname, resolve_flags,
}
lock->ref_name = xstrdup(refname);
lock->orig_ref_name = xstrdup(orig_refname);
- ref_file = git_path("%s", refname);
+ strbuf_git_path(&ref_file, "%s", refname);
retry:
- switch (safe_create_leading_directories_const(ref_file)) {
+ switch (safe_create_leading_directories_const(ref_file.buf)) {
case SCLD_OK:
break; /* success */
case SCLD_VANISHED:
/* fall through */
default:
last_errno = errno;
- strbuf_addf(err, "unable to create directory for %s", ref_file);
+ strbuf_addf(err, "unable to create directory for %s",
+ ref_file.buf);
goto error_return;
}
- if (hold_lock_file_for_update(lock->lk, ref_file, lflags) < 0) {
+ if (hold_lock_file_for_update(lock->lk, ref_file.buf, lflags) < 0) {
last_errno = errno;
if (errno == ENOENT && --attempts_remaining > 0)
/*
*/
goto retry;
else {
- unable_to_lock_message(ref_file, errno, err);
+ unable_to_lock_message(ref_file.buf, errno, err);
goto error_return;
}
}
last_errno = errno;
goto error_return;
}
- return lock;
+ goto out;
error_return:
unlock_ref(lock);
+ lock = NULL;
+
+ out:
+ strbuf_release(&ref_file);
+ strbuf_release(&orig_ref_file);
errno = last_errno;
- return NULL;
+ return lock;
}
/*
static int rename_tmp_log(const char *newrefname)
{
int attempts_remaining = 4;
+ struct strbuf path = STRBUF_INIT;
+ int ret = -1;
retry:
- switch (safe_create_leading_directories_const(git_path("logs/%s", newrefname))) {
+ strbuf_reset(&path);
+ strbuf_git_path(&path, "logs/%s", newrefname);
+ switch (safe_create_leading_directories_const(path.buf)) {
case SCLD_OK:
break; /* success */
case SCLD_VANISHED:
/* fall through */
default:
error("unable to create directory for %s", newrefname);
- return -1;
+ goto out;
}
- if (rename(git_path(TMP_RENAMED_LOG), git_path("logs/%s", newrefname))) {
+ if (rename(git_path(TMP_RENAMED_LOG), path.buf)) {
if ((errno==EISDIR || errno==ENOTDIR) && --attempts_remaining > 0) {
/*
* rename(a, b) when b is an existing
* directory ought to result in ISDIR, but
* Solaris 5.8 gives ENOTDIR. Sheesh.
*/
- if (remove_empty_directories(git_path("logs/%s", newrefname))) {
+ if (remove_empty_directories(&path)) {
error("Directory not empty: logs/%s", newrefname);
- return -1;
+ goto out;
}
goto retry;
} else if (errno == ENOENT && --attempts_remaining > 0) {
} else {
error("unable to move logfile "TMP_RENAMED_LOG" to logs/%s: %s",
newrefname, strerror(errno));
- return -1;
+ goto out;
}
}
- return 0;
+ ret = 0;
+ out:
+ strbuf_release(&path);
+ return ret;
}
static int rename_ref_available(const char *oldname, const char *newname)
if (!read_ref_full(newrefname, RESOLVE_REF_READING, sha1, NULL) &&
delete_ref(newrefname, sha1, REF_NODEREF)) {
if (errno==EISDIR) {
- if (remove_empty_directories(git_path("%s", newrefname))) {
+ struct strbuf path = STRBUF_INIT;
+ int result;
+
+ strbuf_git_path(&path, "%s", newrefname);
+ result = remove_empty_directories(&path);
+ strbuf_release(&path);
+
+ if (result) {
error("Directory not empty: %s", newrefname);
goto rollback;
}
* should_autocreate_reflog returns non-zero. Otherwise, create it
* regardless of the ref name. Fill in *err and return -1 on failure.
*/
- static int log_ref_setup(const char *refname, struct strbuf *sb_logfile, struct strbuf *err, int force_create)
+ static int log_ref_setup(const char *refname, struct strbuf *logfile, struct strbuf *err, int force_create)
{
int logfd, oflags = O_APPEND | O_WRONLY;
- char *logfile;
- strbuf_git_path(sb_logfile, "logs/%s", refname);
- logfile = sb_logfile->buf;
- /* make sure the rest of the function can't change "logfile" */
- sb_logfile = NULL;
+ strbuf_git_path(logfile, "logs/%s", refname);
if (force_create || should_autocreate_reflog(refname)) {
- if (safe_create_leading_directories(logfile) < 0) {
+ if (safe_create_leading_directories(logfile->buf) < 0) {
strbuf_addf(err, "unable to create directory for %s: "
- "%s", logfile, strerror(errno));
+ "%s", logfile->buf, strerror(errno));
return -1;
}
oflags |= O_CREAT;
}
- logfd = open(logfile, oflags, 0666);
+ logfd = open(logfile->buf, oflags, 0666);
if (logfd < 0) {
if (!(oflags & O_CREAT) && (errno == ENOENT || errno == EISDIR))
return 0;
if (errno == EISDIR) {
if (remove_empty_directories(logfile)) {
strbuf_addf(err, "There are still logs under "
- "'%s'", logfile);
+ "'%s'", logfile->buf);
return -1;
}
- logfd = open(logfile, oflags, 0666);
+ logfd = open(logfile->buf, oflags, 0666);
}
if (logfd < 0) {
strbuf_addf(err, "unable to append to %s: %s",
- logfile, strerror(errno));
+ logfile->buf, strerror(errno));
return -1;
}
}
- adjust_shared_perm(logfile);
+ adjust_shared_perm(logfile->buf);
close(logfd);
return 0;
}
static int log_ref_write_1(const char *refname, const unsigned char *old_sha1,
const unsigned char *new_sha1, const char *msg,
- struct strbuf *sb_log_file, int flags,
+ struct strbuf *logfile, int flags,
struct strbuf *err)
{
int logfd, result, oflags = O_APPEND | O_WRONLY;
- char *log_file;
if (log_all_ref_updates < 0)
log_all_ref_updates = !is_bare_repository();
- result = log_ref_setup(refname, sb_log_file, err, flags & REF_FORCE_CREATE_REFLOG);
+ result = log_ref_setup(refname, logfile, err, flags & REF_FORCE_CREATE_REFLOG);
if (result)
return result;
- log_file = sb_log_file->buf;
- /* make sure the rest of the function can't change "log_file" */
- sb_log_file = NULL;
- logfd = open(log_file, oflags);
+ logfd = open(logfile->buf, oflags);
if (logfd < 0)
return 0;
result = log_ref_write_fd(logfd, old_sha1, new_sha1,
git_committer_info(0), msg);
if (result) {
- strbuf_addf(err, "unable to append to %s: %s", log_file,
+ strbuf_addf(err, "unable to append to %s: %s", logfile->buf,
strerror(errno));
close(logfd);
return -1;
}
if (close(logfd)) {
- strbuf_addf(err, "unable to append to %s: %s", log_file,
+ strbuf_addf(err, "unable to append to %s: %s", logfile->buf,
strerror(errno));
return -1;
}
int create_symref(const char *ref_target, const char *refs_heads_master,
const char *logmsg)
{
- const char *lockpath;
+ char *lockpath = NULL;
char ref[1000];
int fd, len, written;
char *git_HEAD = git_pathdup("%s", ref_target);
error("refname too long: %s", refs_heads_master);
goto error_free_return;
}
- lockpath = mkpath("%s.lock", git_HEAD);
+ lockpath = mkpathdup("%s.lock", git_HEAD);
fd = open(lockpath, O_CREAT | O_EXCL | O_WRONLY, 0666);
if (fd < 0) {
error("Unable to open %s for writing", lockpath);
error_unlink_return:
unlink_or_warn(lockpath);
error_free_return:
+ free(lockpath);
free(git_HEAD);
return -1;
}
+ free(lockpath);
#ifndef NO_SYMLINK_HEAD
done:
int ref_is_hidden(const char *refname)
{
- struct string_list_item *item;
+ int i;
if (!hide_refs)
return 0;
- for_each_string_list_item(item, hide_refs) {
+ for (i = hide_refs->nr - 1; i >= 0; i--) {
+ const char *match = hide_refs->items[i].string;
+ int neg = 0;
int len;
- if (!starts_with(refname, item->string))
+
+ if (*match == '!') {
+ neg = 1;
+ match++;
+ }
+
+ if (!starts_with(refname, match))
continue;
- len = strlen(item->string);
+ len = strlen(match);
if (!refname[len] || refname[len] == '/')
- return 1;
+ return !neg;
}
return 0;
}
void add_to_alternates_file(const char *reference)
{
struct lock_file *lock = xcalloc(1, sizeof(struct lock_file));
- int fd = hold_lock_file_for_append(lock, git_path("objects/info/alternates"), LOCK_DIE_ON_ERROR);
- const char *alt = mkpath("%s\n", reference);
- write_or_die(fd, alt, strlen(alt));
- if (commit_lock_file(lock))
- die("could not close alternates file");
- if (alt_odb_tail)
- link_alt_odb_entries(alt, strlen(alt), '\n', NULL, 0);
+ char *alts = git_pathdup("objects/info/alternates");
+ FILE *in, *out;
+
+ hold_lock_file_for_update(lock, alts, LOCK_DIE_ON_ERROR);
+ out = fdopen_lock_file(lock, "w");
+ if (!out)
+ die_errno("unable to fdopen alternates lockfile");
+
+ in = fopen(alts, "r");
+ if (in) {
+ struct strbuf line = STRBUF_INIT;
+ int found = 0;
+
+ while (strbuf_getline(&line, in, '\n') != EOF) {
+ if (!strcmp(reference, line.buf)) {
+ found = 1;
+ break;
+ }
+ fprintf_or_die(out, "%s\n", line.buf);
+ }
+
+ strbuf_release(&line);
+ fclose(in);
+
+ if (found) {
+ rollback_lock_file(lock);
+ lock = NULL;
+ }
+ }
+ else if (errno != ENOENT)
+ die_errno("unable to read alternates file");
+
+ if (lock) {
+ fprintf_or_die(out, "%s\n", reference);
+ if (commit_lock_file(lock))
+ die_errno("unable to move new alternates file into place");
+ if (alt_odb_tail)
+ link_alt_odb_entries(reference, strlen(reference), '\n', NULL, 0);
+ }
+ free(alts);
}
int foreach_alt_odb(alt_odb_fn fn, void *cb)
/*
* Move the just written object into its final resting place.
- * NEEDSWORK: this should be renamed to finalize_temp_file() as
- * "moving" is only a part of what it does, when no patch between
- * master to pu changes the call sites of this function.
*/
-int move_temp_to_file(const char *tmpfile, const char *filename)
+int finalize_object_file(const char *tmpfile, const char *filename)
{
int ret = 0;
tmp_file, strerror(errno));
}
- return move_temp_to_file(tmp_file, filename);
+ return finalize_object_file(tmp_file, filename);
}
static int freshen_loose_object(const unsigned char *sha1)
if (!core_apply_sparse_checkout || !o->update)
o->skip_sparse_checkout = 1;
if (!o->skip_sparse_checkout) {
- if (add_excludes_from_file_to_list(git_path("info/sparse-checkout"), "", 0, &el, 0) < 0)
+ char *sparse = git_pathdup("info/sparse-checkout");
+ if (add_excludes_from_file_to_list(sparse, "", 0, &el, 0) < 0)
o->skip_sparse_checkout = 1;
else
o->el = ⪙
+ free(sparse);
}
memset(&o->result, 0, sizeof(o->result));
o->src_index = NULL;
ret = check_updates(o) ? (-2) : 0;
if (o->dst_index) {
+ if (!ret) {
+ if (!o->result.cache_tree)
+ o->result.cache_tree = cache_tree();
+ if (!cache_tree_fully_valid(o->result.cache_tree))
+ cache_tree_update(&o->result,
+ WRITE_TREE_SILENT |
+ WRITE_TREE_REPAIR);
+ }
discard_index(o->dst_index);
*o->dst_index = o->result;
} else {