*
* Copyright (C) Linus Torvalds, 2005
*/
+#define USE_THE_INDEX_COMPATIBILITY_MACROS
#include "cache.h"
+#include "config.h"
+#include "lockfile.h"
#include "quote.h"
#include "cache-tree.h"
#include "tree-walk.h"
#include "builtin.h"
#include "refs.h"
#include "resolve-undo.h"
+#include "parse-options.h"
+#include "pathspec.h"
+#include "dir.h"
+#include "split-index.h"
+#include "fsmonitor.h"
/*
* Default to not allowing changes to the list of files. The
static int verbose;
static int mark_valid_only;
static int mark_skip_worktree_only;
+static int mark_fsmonitor_only;
#define MARK_FLAG 1
#define UNMARK_FLAG 2
+static struct strbuf mtime_dir = STRBUF_INIT;
+
+/* Untracked cache mode */
+enum uc_mode {
+ UC_UNSPECIFIED = -1,
+ UC_DISABLE = 0,
+ UC_ENABLE,
+ UC_TEST,
+ UC_FORCE
+};
__attribute__((format (printf, 1, 2)))
static void report(const char *fmt, ...)
va_end(vp);
}
+static void remove_test_directory(void)
+{
+ if (mtime_dir.len)
+ remove_dir_recursively(&mtime_dir, 0);
+}
+
+static const char *get_mtime_path(const char *path)
+{
+ static struct strbuf sb = STRBUF_INIT;
+ strbuf_reset(&sb);
+ strbuf_addf(&sb, "%s/%s", mtime_dir.buf, path);
+ return sb.buf;
+}
+
+static void xmkdir(const char *path)
+{
+ path = get_mtime_path(path);
+ if (mkdir(path, 0700))
+ die_errno(_("failed to create directory %s"), path);
+}
+
+static int xstat_mtime_dir(struct stat *st)
+{
+ if (stat(mtime_dir.buf, st))
+ die_errno(_("failed to stat %s"), mtime_dir.buf);
+ return 0;
+}
+
+static int create_file(const char *path)
+{
+ int fd;
+ path = get_mtime_path(path);
+ fd = open(path, O_CREAT | O_RDWR, 0644);
+ if (fd < 0)
+ die_errno(_("failed to create file %s"), path);
+ return fd;
+}
+
+static void xunlink(const char *path)
+{
+ path = get_mtime_path(path);
+ if (unlink(path))
+ die_errno(_("failed to delete file %s"), path);
+}
+
+static void xrmdir(const char *path)
+{
+ path = get_mtime_path(path);
+ if (rmdir(path))
+ die_errno(_("failed to delete directory %s"), path);
+}
+
+static void avoid_racy(void)
+{
+ /*
+ * not use if we could usleep(10) if USE_NSEC is defined. The
+ * field nsec could be there, but the OS could choose to
+ * ignore it?
+ */
+ sleep(1);
+}
+
+static int test_if_untracked_cache_is_supported(void)
+{
+ struct stat st;
+ struct stat_data base;
+ int fd, ret = 0;
+ char *cwd;
+
+ strbuf_addstr(&mtime_dir, "mtime-test-XXXXXX");
+ if (!mkdtemp(mtime_dir.buf))
+ die_errno("Could not make temporary directory");
+
+ cwd = xgetcwd();
+ fprintf(stderr, _("Testing mtime in '%s' "), cwd);
+ free(cwd);
+
+ atexit(remove_test_directory);
+ xstat_mtime_dir(&st);
+ fill_stat_data(&base, &st);
+ fputc('.', stderr);
+
+ avoid_racy();
+ fd = create_file("newfile");
+ xstat_mtime_dir(&st);
+ if (!match_stat_data(&base, &st)) {
+ close(fd);
+ fputc('\n', stderr);
+ fprintf_ln(stderr,_("directory stat info does not "
+ "change after adding a new file"));
+ goto done;
+ }
+ fill_stat_data(&base, &st);
+ fputc('.', stderr);
+
+ avoid_racy();
+ xmkdir("new-dir");
+ xstat_mtime_dir(&st);
+ if (!match_stat_data(&base, &st)) {
+ close(fd);
+ fputc('\n', stderr);
+ fprintf_ln(stderr, _("directory stat info does not change "
+ "after adding a new directory"));
+ goto done;
+ }
+ fill_stat_data(&base, &st);
+ fputc('.', stderr);
+
+ avoid_racy();
+ write_or_die(fd, "data", 4);
+ close(fd);
+ xstat_mtime_dir(&st);
+ if (match_stat_data(&base, &st)) {
+ fputc('\n', stderr);
+ fprintf_ln(stderr, _("directory stat info changes "
+ "after updating a file"));
+ goto done;
+ }
+ fputc('.', stderr);
+
+ avoid_racy();
+ close(create_file("new-dir/new"));
+ xstat_mtime_dir(&st);
+ if (match_stat_data(&base, &st)) {
+ fputc('\n', stderr);
+ fprintf_ln(stderr, _("directory stat info changes after "
+ "adding a file inside subdirectory"));
+ goto done;
+ }
+ fputc('.', stderr);
+
+ avoid_racy();
+ xunlink("newfile");
+ xstat_mtime_dir(&st);
+ if (!match_stat_data(&base, &st)) {
+ fputc('\n', stderr);
+ fprintf_ln(stderr, _("directory stat info does not "
+ "change after deleting a file"));
+ goto done;
+ }
+ fill_stat_data(&base, &st);
+ fputc('.', stderr);
+
+ avoid_racy();
+ xunlink("new-dir/new");
+ xrmdir("new-dir");
+ xstat_mtime_dir(&st);
+ if (!match_stat_data(&base, &st)) {
+ fputc('\n', stderr);
+ fprintf_ln(stderr, _("directory stat info does not "
+ "change after deleting a directory"));
+ goto done;
+ }
+
+ if (rmdir(mtime_dir.buf))
+ die_errno(_("failed to delete directory %s"), mtime_dir.buf);
+ fprintf_ln(stderr, _(" OK"));
+ ret = 1;
+
+done:
+ strbuf_release(&mtime_dir);
+ return ret;
+}
+
static int mark_ce_flags(const char *path, int flag, int mark)
{
int namelen = strlen(path);
int pos = cache_name_pos(path, namelen);
if (0 <= pos) {
+ mark_fsmonitor_invalid(&the_index, active_cache[pos]);
if (mark)
active_cache[pos]->ce_flags |= flag;
else
active_cache[pos]->ce_flags &= ~flag;
- cache_tree_invalidate_path(active_cache_tree, path);
- active_cache_changed = 1;
+ active_cache[pos]->ce_flags |= CE_UPDATE_IN_BASE;
+ cache_tree_invalidate_path(&the_index, path);
+ active_cache_changed |= CE_ENTRY_CHANGED;
return 0;
}
return -1;
*/
static int process_lstat_error(const char *path, int err)
{
- if (err == ENOENT || err == ENOTDIR)
+ if (is_missing_file_error(err))
return remove_one_path(path);
- return error("lstat(\"%s\"): %s", path, strerror(errno));
+ return error("lstat(\"%s\"): %s", path, strerror(err));
}
-static int add_one_path(struct cache_entry *old, const char *path, int len, struct stat *st)
+static int add_one_path(const struct cache_entry *old, const char *path, int len, struct stat *st)
{
- int option, size;
+ int option;
struct cache_entry *ce;
/* Was the old index entry already up-to-date? */
if (old && !ce_stage(old) && !ce_match_stat(old, st, 0))
return 0;
- size = cache_entry_size(len);
- ce = xcalloc(1, size);
+ ce = make_empty_cache_entry(&the_index, len);
memcpy(ce->name, path, len);
- ce->ce_flags = len;
+ ce->ce_flags = create_ce_flags(0);
+ ce->ce_namelen = len;
fill_stat_cache_info(ce, st);
ce->ce_mode = ce_mode_from_stat(old, st->st_mode);
- if (index_path(ce->sha1, path, st, !info_only))
+ if (index_path(&the_index, &ce->oid, path, st,
+ info_only ? 0 : HASH_WRITE_OBJECT)) {
+ discard_cache_entry(ce);
return -1;
+ }
option = allow_add ? ADD_CACHE_OK_TO_ADD : 0;
option |= allow_replace ? ADD_CACHE_OK_TO_REPLACE : 0;
- if (add_cache_entry(ce, option))
+ if (add_cache_entry(ce, option)) {
+ discard_cache_entry(ce);
return error("%s: cannot add to the index - missing --add option?", path);
+ }
return 0;
}
*/
static int process_directory(const char *path, int len, struct stat *st)
{
- unsigned char sha1[20];
+ struct object_id oid;
int pos = cache_name_pos(path, len);
/* Exact match: file or existing gitlink */
if (pos >= 0) {
- struct cache_entry *ce = active_cache[pos];
+ const struct cache_entry *ce = active_cache[pos];
if (S_ISGITLINK(ce->ce_mode)) {
/* Do nothing to the index if there is no HEAD! */
- if (resolve_gitlink_ref(path, "HEAD", sha1) < 0)
+ if (resolve_gitlink_ref(path, "HEAD", &oid) < 0)
return 0;
return add_one_path(ce, path, len, st);
/* Inexact match: is there perhaps a subdirectory match? */
pos = -pos-1;
while (pos < active_nr) {
- struct cache_entry *ce = active_cache[pos++];
+ const struct cache_entry *ce = active_cache[pos++];
if (strncmp(ce->name, path, len))
break;
}
/* No match - should we add it as a gitlink? */
- if (!resolve_gitlink_ref(path, "HEAD", sha1))
+ if (!resolve_gitlink_ref(path, "HEAD", &oid))
return add_one_path(NULL, path, len, st);
/* Error out. */
return error("%s: is a directory - add files inside instead", path);
}
-static int process_path(const char *path)
+static int process_path(const char *path, struct stat *st, int stat_errno)
{
int pos, len;
- struct stat st;
- struct cache_entry *ce;
+ const struct cache_entry *ce;
len = strlen(path);
if (has_symlink_leading_path(path, len))
* First things first: get the stat information, to decide
* what to do about the pathname!
*/
- if (lstat(path, &st) < 0)
- return process_lstat_error(path, errno);
-
- if (S_ISDIR(st.st_mode))
- return process_directory(path, len, &st);
+ if (stat_errno)
+ return process_lstat_error(path, stat_errno);
- /*
- * Process a regular file
- */
- if (ce && S_ISGITLINK(ce->ce_mode))
- return error("%s is already a gitlink, not replacing", path);
+ if (S_ISDIR(st->st_mode))
+ return process_directory(path, len, st);
- return add_one_path(ce, path, len, &st);
+ return add_one_path(ce, path, len, st);
}
-static int add_cacheinfo(unsigned int mode, const unsigned char *sha1,
+static int add_cacheinfo(unsigned int mode, const struct object_id *oid,
const char *path, int stage)
{
- int size, len, option;
+ int len, option;
struct cache_entry *ce;
- if (!verify_path(path))
+ if (!verify_path(path, mode))
return error("Invalid path '%s'", path);
len = strlen(path);
- size = cache_entry_size(len);
- ce = xcalloc(1, size);
+ ce = make_empty_cache_entry(&the_index, len);
- hashcpy(ce->sha1, sha1);
+ oidcpy(&ce->oid, oid);
memcpy(ce->name, path, len);
- ce->ce_flags = create_ce_flags(len, stage);
+ ce->ce_flags = create_ce_flags(stage);
+ ce->ce_namelen = len;
ce->ce_mode = create_ce_mode(mode);
if (assume_unchanged)
ce->ce_flags |= CE_VALID;
return 0;
}
-static void chmod_path(int flip, const char *path)
+static void chmod_path(char flip, const char *path)
{
int pos;
struct cache_entry *ce;
- unsigned int mode;
pos = cache_name_pos(path, strlen(path));
if (pos < 0)
goto fail;
ce = active_cache[pos];
- mode = ce->ce_mode;
- if (!S_ISREG(mode))
+ if (chmod_cache_entry(ce, flip) < 0)
goto fail;
- switch (flip) {
- case '+':
- ce->ce_mode |= 0111; break;
- case '-':
- ce->ce_mode &= ~0111; break;
- default:
- goto fail;
- }
- cache_tree_invalidate_path(active_cache_tree, path);
- active_cache_changed = 1;
+
report("chmod %cx '%s'", flip, path);
return;
fail:
die("git update-index: cannot chmod %cx '%s'", flip, path);
}
-static void update_one(const char *path, const char *prefix, int prefix_length)
+static void update_one(const char *path)
{
- const char *p = prefix_path(prefix, prefix_length, path);
- if (!verify_path(p)) {
+ int stat_errno = 0;
+ struct stat st;
+
+ if (mark_valid_only || mark_skip_worktree_only || force_remove ||
+ mark_fsmonitor_only)
+ st.st_mode = 0;
+ else if (lstat(path, &st) < 0) {
+ st.st_mode = 0;
+ stat_errno = errno;
+ } /* else stat is valid */
+
+ if (!verify_path(path, st.st_mode)) {
fprintf(stderr, "Ignoring path %s\n", path);
- goto free_return;
+ return;
}
if (mark_valid_only) {
- if (mark_ce_flags(p, CE_VALID, mark_valid_only == MARK_FLAG))
+ if (mark_ce_flags(path, CE_VALID, mark_valid_only == MARK_FLAG))
die("Unable to mark file %s", path);
- goto free_return;
+ return;
}
if (mark_skip_worktree_only) {
- if (mark_ce_flags(p, CE_SKIP_WORKTREE, mark_skip_worktree_only == MARK_FLAG))
+ if (mark_ce_flags(path, CE_SKIP_WORKTREE, mark_skip_worktree_only == MARK_FLAG))
die("Unable to mark file %s", path);
- goto free_return;
+ return;
+ }
+ if (mark_fsmonitor_only) {
+ if (mark_ce_flags(path, CE_FSMONITOR_VALID, mark_fsmonitor_only == MARK_FLAG))
+ die("Unable to mark file %s", path);
+ return;
}
if (force_remove) {
- if (remove_file_from_cache(p))
+ if (remove_file_from_cache(path))
die("git update-index: unable to remove %s", path);
report("remove '%s'", path);
- goto free_return;
+ return;
}
- if (process_path(p))
+ if (process_path(path, &st, stat_errno))
die("Unable to process path %s", path);
report("add '%s'", path);
- free_return:
- if (p < path || p > path + strlen(path))
- free((char *)p);
}
-static void read_index_info(int line_termination)
+static void read_index_info(int nul_term_line)
{
+ const int hexsz = the_hash_algo->hexsz;
struct strbuf buf = STRBUF_INIT;
struct strbuf uq = STRBUF_INIT;
+ strbuf_getline_fn getline_fn;
- while (strbuf_getline(&buf, stdin, line_termination) != EOF) {
+ getline_fn = nul_term_line ? strbuf_getline_nul : strbuf_getline_lf;
+ while (getline_fn(&buf, stdin) != EOF) {
char *ptr, *tab;
char *path_name;
- unsigned char sha1[20];
+ struct object_id oid;
unsigned int mode;
unsigned long ul;
int stage;
mode = ul;
tab = strchr(ptr, '\t');
- if (!tab || tab - ptr < 41)
+ if (!tab || tab - ptr < hexsz + 1)
goto bad_line;
if (tab[-2] == ' ' && '0' <= tab[-1] && tab[-1] <= '3') {
ptr = tab + 1; /* point at the head of path */
}
- if (get_sha1_hex(tab - 40, sha1) || tab[-41] != ' ')
+ if (get_oid_hex(tab - hexsz, &oid) ||
+ tab[-(hexsz + 1)] != ' ')
goto bad_line;
path_name = ptr;
- if (line_termination && path_name[0] == '"') {
+ if (!nul_term_line && path_name[0] == '"') {
strbuf_reset(&uq);
if (unquote_c_style(&uq, path_name, NULL)) {
die("git update-index: bad quoting of path name");
path_name = uq.buf;
}
- if (!verify_path(path_name)) {
+ if (!verify_path(path_name, mode)) {
fprintf(stderr, "Ignoring path %s\n", path_name);
continue;
}
* ptr[-1] points at tab,
* ptr[-41] is at the beginning of sha1
*/
- ptr[-42] = ptr[-1] = 0;
- if (add_cacheinfo(mode, sha1, path_name, stage))
+ ptr[-(hexsz + 2)] = ptr[-1] = 0;
+ if (add_cacheinfo(mode, &oid, path_name, stage))
die("git update-index: unable to update %s",
path_name);
}
strbuf_release(&uq);
}
-static const char update_index_usage[] =
-"git update-index [-q] [--add] [--replace] [--remove] [--unmerged] [--refresh] [--really-refresh] [--cacheinfo] [--chmod=(+|-)x] [--assume-unchanged] [--skip-worktree|--no-skip-worktree] [--info-only] [--force-remove] [--stdin] [--index-info] [--unresolve] [--again | -g] [--ignore-missing] [-z] [--verbose] [--] <file>...";
+static const char * const update_index_usage[] = {
+ N_("git update-index [<options>] [--] [<file>...]"),
+ NULL
+};
-static unsigned char head_sha1[20];
-static unsigned char merge_head_sha1[20];
+static struct object_id head_oid;
+static struct object_id merge_head_oid;
static struct cache_entry *read_one_ent(const char *which,
- unsigned char *ent, const char *path,
+ struct object_id *ent, const char *path,
int namelen, int stage)
{
unsigned mode;
- unsigned char sha1[20];
- int size;
+ struct object_id oid;
struct cache_entry *ce;
- if (get_tree_entry(ent, path, sha1, &mode)) {
+ if (get_tree_entry(ent, path, &oid, &mode)) {
if (which)
error("%s: not in %s branch.", path, which);
return NULL;
error("%s: not a blob in %s branch.", path, which);
return NULL;
}
- size = cache_entry_size(namelen);
- ce = xcalloc(1, size);
+ ce = make_empty_cache_entry(&the_index, namelen);
- hashcpy(ce->sha1, sha1);
+ oidcpy(&ce->oid, &oid);
memcpy(ce->name, path, namelen);
- ce->ce_flags = create_ce_flags(namelen, stage);
+ ce->ce_flags = create_ce_flags(stage);
+ ce->ce_namelen = namelen;
ce->ce_mode = create_ce_mode(mode);
return ce;
}
/* already merged */
pos = unmerge_cache_entry_at(pos);
if (pos < active_nr) {
- struct cache_entry *ce = active_cache[pos];
+ const struct cache_entry *ce = active_cache[pos];
if (ce_stage(ce) &&
ce_namelen(ce) == namelen &&
!memcmp(ce->name, path, namelen))
*/
pos = -pos-1;
if (pos < active_nr) {
- struct cache_entry *ce = active_cache[pos];
+ const struct cache_entry *ce = active_cache[pos];
if (ce_namelen(ce) == namelen &&
!memcmp(ce->name, path, namelen)) {
fprintf(stderr,
* stuff HEAD version in stage #2,
* stuff MERGE_HEAD version in stage #3.
*/
- ce_2 = read_one_ent("our", head_sha1, path, namelen, 2);
- ce_3 = read_one_ent("their", merge_head_sha1, path, namelen, 3);
+ ce_2 = read_one_ent("our", &head_oid, path, namelen, 2);
+ ce_3 = read_one_ent("their", &merge_head_oid, path, namelen, 3);
if (!ce_2 || !ce_3) {
ret = -1;
goto free_return;
}
- if (!hashcmp(ce_2->sha1, ce_3->sha1) &&
+ if (oideq(&ce_2->oid, &ce_3->oid) &&
ce_2->ce_mode == ce_3->ce_mode) {
fprintf(stderr, "%s: identical in both, skipping.\n",
path);
error("%s: cannot add their version to the index.", path);
ret = -1;
free_return:
- free(ce_2);
- free(ce_3);
+ discard_cache_entry(ce_2);
+ discard_cache_entry(ce_3);
return ret;
}
static void read_head_pointers(void)
{
- if (read_ref("HEAD", head_sha1))
+ if (read_ref("HEAD", &head_oid))
die("No HEAD -- no initial commit yet?");
- if (read_ref("MERGE_HEAD", merge_head_sha1)) {
+ if (read_ref("MERGE_HEAD", &merge_head_oid)) {
fprintf(stderr, "Not in the middle of a merge.\n");
exit(0);
}
for (i = 1; i < ac; i++) {
const char *arg = av[i];
- const char *p = prefix_path(prefix, prefix_length, arg);
+ char *p = prefix_path(prefix, prefix_length, arg);
err |= unresolve_one(p);
- if (p < arg || p > arg + strlen(arg))
- free((char *)p);
+ free(p);
}
return err;
}
*/
int pos;
int has_head = 1;
- const char **pathspec = get_pathspec(prefix, av + 1);
+ struct pathspec pathspec;
+
+ parse_pathspec(&pathspec, 0,
+ PATHSPEC_PREFER_CWD,
+ prefix, av + 1);
- if (read_ref("HEAD", head_sha1))
+ if (read_ref("HEAD", &head_oid))
/* If there is no HEAD, that means it is an initial
* commit. Update everything in the index.
*/
has_head = 0;
redo:
for (pos = 0; pos < active_nr; pos++) {
- struct cache_entry *ce = active_cache[pos];
+ const struct cache_entry *ce = active_cache[pos];
struct cache_entry *old = NULL;
int save_nr;
+ char *path;
- if (ce_stage(ce) || !ce_path_match(ce, pathspec))
+ if (ce_stage(ce) || !ce_path_match(&the_index, ce, &pathspec, NULL))
continue;
if (has_head)
- old = read_one_ent(NULL, head_sha1,
+ old = read_one_ent(NULL, &head_oid,
ce->name, ce_namelen(ce), 0);
if (old && ce->ce_mode == old->ce_mode &&
- !hashcmp(ce->sha1, old->sha1)) {
- free(old);
+ oideq(&ce->oid, &old->oid)) {
+ discard_cache_entry(old);
continue; /* unchanged */
}
/* Be careful. The working tree may not have the
* or worse yet 'allow_replace', active_nr may decrease.
*/
save_nr = active_nr;
- update_one(ce->name + prefix_length, prefix, prefix_length);
+ path = xstrdup(ce->name);
+ update_one(path);
+ free(path);
+ discard_cache_entry(old);
if (save_nr != active_nr)
goto redo;
}
+ clear_pathspec(&pathspec);
+ return 0;
+}
+
+struct refresh_params {
+ unsigned int flags;
+ int *has_errors;
+};
+
+static int refresh(struct refresh_params *o, unsigned int flag)
+{
+ setup_work_tree();
+ read_cache();
+ *o->has_errors |= refresh_cache(o->flags | flag);
+ return 0;
+}
+
+static int refresh_callback(const struct option *opt,
+ const char *arg, int unset)
+{
+ BUG_ON_OPT_NEG(unset);
+ BUG_ON_OPT_ARG(arg);
+ return refresh(opt->value, 0);
+}
+
+static int really_refresh_callback(const struct option *opt,
+ const char *arg, int unset)
+{
+ BUG_ON_OPT_NEG(unset);
+ BUG_ON_OPT_ARG(arg);
+ return refresh(opt->value, REFRESH_REALLY);
+}
+
+static int chmod_callback(const struct option *opt,
+ const char *arg, int unset)
+{
+ char *flip = opt->value;
+ BUG_ON_OPT_NEG(unset);
+ if ((arg[0] != '-' && arg[0] != '+') || arg[1] != 'x' || arg[2])
+ return error("option 'chmod' expects \"+x\" or \"-x\"");
+ *flip = arg[0];
+ return 0;
+}
+
+static int resolve_undo_clear_callback(const struct option *opt,
+ const char *arg, int unset)
+{
+ BUG_ON_OPT_NEG(unset);
+ BUG_ON_OPT_ARG(arg);
+ resolve_undo_clear();
+ return 0;
+}
+
+static int parse_new_style_cacheinfo(const char *arg,
+ unsigned int *mode,
+ struct object_id *oid,
+ const char **path)
+{
+ unsigned long ul;
+ char *endp;
+ const char *p;
+
+ if (!arg)
+ return -1;
+
+ errno = 0;
+ ul = strtoul(arg, &endp, 8);
+ if (errno || endp == arg || *endp != ',' || (unsigned int) ul != ul)
+ return -1; /* not a new-style cacheinfo */
+ *mode = ul;
+ endp++;
+ if (parse_oid_hex(endp, oid, &p) || *p != ',')
+ return -1;
+ *path = p + 1;
+ return 0;
+}
+
+static enum parse_opt_result cacheinfo_callback(
+ struct parse_opt_ctx_t *ctx, const struct option *opt,
+ const char *arg, int unset)
+{
+ struct object_id oid;
+ unsigned int mode;
+ const char *path;
+
+ BUG_ON_OPT_NEG(unset);
+ BUG_ON_OPT_ARG(arg);
+
+ if (!parse_new_style_cacheinfo(ctx->argv[1], &mode, &oid, &path)) {
+ if (add_cacheinfo(mode, &oid, path, 0))
+ die("git update-index: --cacheinfo cannot add %s", path);
+ ctx->argv++;
+ ctx->argc--;
+ return 0;
+ }
+ if (ctx->argc <= 3)
+ return error("option 'cacheinfo' expects <mode>,<sha1>,<path>");
+ if (strtoul_ui(*++ctx->argv, 8, &mode) ||
+ get_oid_hex(*++ctx->argv, &oid) ||
+ add_cacheinfo(mode, &oid, *++ctx->argv, 0))
+ die("git update-index: --cacheinfo cannot add %s", *ctx->argv);
+ ctx->argc -= 3;
+ return 0;
+}
+
+static enum parse_opt_result stdin_cacheinfo_callback(
+ struct parse_opt_ctx_t *ctx, const struct option *opt,
+ const char *arg, int unset)
+{
+ int *nul_term_line = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+ BUG_ON_OPT_ARG(arg);
+
+ if (ctx->argc != 1)
+ return error("option '%s' must be the last argument", opt->long_name);
+ allow_add = allow_replace = allow_remove = 1;
+ read_index_info(*nul_term_line);
+ return 0;
+}
+
+static enum parse_opt_result stdin_callback(
+ struct parse_opt_ctx_t *ctx, const struct option *opt,
+ const char *arg, int unset)
+{
+ int *read_from_stdin = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+ BUG_ON_OPT_ARG(arg);
+
+ if (ctx->argc != 1)
+ return error("option '%s' must be the last argument", opt->long_name);
+ *read_from_stdin = 1;
+ return 0;
+}
+
+static enum parse_opt_result unresolve_callback(
+ struct parse_opt_ctx_t *ctx, const struct option *opt,
+ const char *arg, int unset)
+{
+ int *has_errors = opt->value;
+ const char *prefix = startup_info->prefix;
+
+ BUG_ON_OPT_NEG(unset);
+ BUG_ON_OPT_ARG(arg);
+
+ /* consume remaining arguments. */
+ *has_errors = do_unresolve(ctx->argc, ctx->argv,
+ prefix, prefix ? strlen(prefix) : 0);
+ if (*has_errors)
+ active_cache_changed = 0;
+
+ ctx->argv += ctx->argc - 1;
+ ctx->argc = 1;
+ return 0;
+}
+
+static enum parse_opt_result reupdate_callback(
+ struct parse_opt_ctx_t *ctx, const struct option *opt,
+ const char *arg, int unset)
+{
+ int *has_errors = opt->value;
+ const char *prefix = startup_info->prefix;
+
+ BUG_ON_OPT_NEG(unset);
+ BUG_ON_OPT_ARG(arg);
+
+ /* consume remaining arguments. */
+ setup_work_tree();
+ *has_errors = do_reupdate(ctx->argc, ctx->argv,
+ prefix, prefix ? strlen(prefix) : 0);
+ if (*has_errors)
+ active_cache_changed = 0;
+
+ ctx->argv += ctx->argc - 1;
+ ctx->argc = 1;
return 0;
}
int cmd_update_index(int argc, const char **argv, const char *prefix)
{
- int i, newfd, entries, has_errors = 0, line_termination = '\n';
- int allow_options = 1;
+ int newfd, entries, has_errors = 0, nul_term_line = 0;
+ enum uc_mode untracked_cache = UC_UNSPECIFIED;
int read_from_stdin = 0;
int prefix_length = prefix ? strlen(prefix) : 0;
+ int preferred_index_format = 0;
char set_executable_bit = 0;
- unsigned int refresh_flags = 0;
+ struct refresh_params refresh_args = {0, &has_errors};
int lock_error = 0;
- struct lock_file *lock_file;
+ int split_index = -1;
+ int force_write = 0;
+ int fsmonitor = -1;
+ struct lock_file lock_file = LOCK_INIT;
+ struct parse_opt_ctx_t ctx;
+ strbuf_getline_fn getline_fn;
+ int parseopt_state = PARSE_OPT_UNKNOWN;
+ struct option options[] = {
+ OPT_BIT('q', NULL, &refresh_args.flags,
+ N_("continue refresh even when index needs update"),
+ REFRESH_QUIET),
+ OPT_BIT(0, "ignore-submodules", &refresh_args.flags,
+ N_("refresh: ignore submodules"),
+ REFRESH_IGNORE_SUBMODULES),
+ OPT_SET_INT(0, "add", &allow_add,
+ N_("do not ignore new files"), 1),
+ OPT_SET_INT(0, "replace", &allow_replace,
+ N_("let files replace directories and vice-versa"), 1),
+ OPT_SET_INT(0, "remove", &allow_remove,
+ N_("notice files missing from worktree"), 1),
+ OPT_BIT(0, "unmerged", &refresh_args.flags,
+ N_("refresh even if index contains unmerged entries"),
+ REFRESH_UNMERGED),
+ {OPTION_CALLBACK, 0, "refresh", &refresh_args, NULL,
+ N_("refresh stat information"),
+ PARSE_OPT_NOARG | PARSE_OPT_NONEG,
+ refresh_callback},
+ {OPTION_CALLBACK, 0, "really-refresh", &refresh_args, NULL,
+ N_("like --refresh, but ignore assume-unchanged setting"),
+ PARSE_OPT_NOARG | PARSE_OPT_NONEG,
+ really_refresh_callback},
+ {OPTION_LOWLEVEL_CALLBACK, 0, "cacheinfo", NULL,
+ N_("<mode>,<object>,<path>"),
+ N_("add the specified entry to the index"),
+ PARSE_OPT_NOARG | /* disallow --cacheinfo=<mode> form */
+ PARSE_OPT_NONEG | PARSE_OPT_LITERAL_ARGHELP,
+ NULL, 0,
+ cacheinfo_callback},
+ {OPTION_CALLBACK, 0, "chmod", &set_executable_bit, "(+|-)x",
+ N_("override the executable bit of the listed files"),
+ PARSE_OPT_NONEG,
+ chmod_callback},
+ {OPTION_SET_INT, 0, "assume-unchanged", &mark_valid_only, NULL,
+ N_("mark files as \"not changing\""),
+ PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG},
+ {OPTION_SET_INT, 0, "no-assume-unchanged", &mark_valid_only, NULL,
+ N_("clear assumed-unchanged bit"),
+ PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG},
+ {OPTION_SET_INT, 0, "skip-worktree", &mark_skip_worktree_only, NULL,
+ N_("mark files as \"index-only\""),
+ PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG},
+ {OPTION_SET_INT, 0, "no-skip-worktree", &mark_skip_worktree_only, NULL,
+ N_("clear skip-worktree bit"),
+ PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG},
+ OPT_SET_INT(0, "info-only", &info_only,
+ N_("add to index only; do not add content to object database"), 1),
+ OPT_SET_INT(0, "force-remove", &force_remove,
+ N_("remove named paths even if present in worktree"), 1),
+ OPT_BOOL('z', NULL, &nul_term_line,
+ N_("with --stdin: input lines are terminated by null bytes")),
+ {OPTION_LOWLEVEL_CALLBACK, 0, "stdin", &read_from_stdin, NULL,
+ N_("read list of paths to be updated from standard input"),
+ PARSE_OPT_NONEG | PARSE_OPT_NOARG,
+ NULL, 0, stdin_callback},
+ {OPTION_LOWLEVEL_CALLBACK, 0, "index-info", &nul_term_line, NULL,
+ N_("add entries from standard input to the index"),
+ PARSE_OPT_NONEG | PARSE_OPT_NOARG,
+ NULL, 0, stdin_cacheinfo_callback},
+ {OPTION_LOWLEVEL_CALLBACK, 0, "unresolve", &has_errors, NULL,
+ N_("repopulate stages #2 and #3 for the listed paths"),
+ PARSE_OPT_NONEG | PARSE_OPT_NOARG,
+ NULL, 0, unresolve_callback},
+ {OPTION_LOWLEVEL_CALLBACK, 'g', "again", &has_errors, NULL,
+ N_("only update entries that differ from HEAD"),
+ PARSE_OPT_NONEG | PARSE_OPT_NOARG,
+ NULL, 0, reupdate_callback},
+ OPT_BIT(0, "ignore-missing", &refresh_args.flags,
+ N_("ignore files missing from worktree"),
+ REFRESH_IGNORE_MISSING),
+ OPT_SET_INT(0, "verbose", &verbose,
+ N_("report actions to standard output"), 1),
+ {OPTION_CALLBACK, 0, "clear-resolve-undo", NULL, NULL,
+ N_("(for porcelains) forget saved unresolved conflicts"),
+ PARSE_OPT_NOARG | PARSE_OPT_NONEG,
+ resolve_undo_clear_callback},
+ OPT_INTEGER(0, "index-version", &preferred_index_format,
+ N_("write index in this format")),
+ OPT_BOOL(0, "split-index", &split_index,
+ N_("enable or disable split index")),
+ OPT_BOOL(0, "untracked-cache", &untracked_cache,
+ N_("enable/disable untracked cache")),
+ OPT_SET_INT(0, "test-untracked-cache", &untracked_cache,
+ N_("test if the filesystem supports untracked cache"), UC_TEST),
+ OPT_SET_INT(0, "force-untracked-cache", &untracked_cache,
+ N_("enable untracked cache without testing the filesystem"), UC_FORCE),
+ OPT_SET_INT(0, "force-write-index", &force_write,
+ N_("write out the index even if is not flagged as changed"), 1),
+ OPT_BOOL(0, "fsmonitor", &fsmonitor,
+ N_("enable or disable file system monitor")),
+ {OPTION_SET_INT, 0, "fsmonitor-valid", &mark_fsmonitor_only, NULL,
+ N_("mark files as fsmonitor valid"),
+ PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG},
+ {OPTION_SET_INT, 0, "no-fsmonitor-valid", &mark_fsmonitor_only, NULL,
+ N_("clear fsmonitor valid bit"),
+ PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG},
+ OPT_END()
+ };
+
+ if (argc == 2 && !strcmp(argv[1], "-h"))
+ usage_with_options(update_index_usage, options);
git_config(git_default_config, NULL);
- /* We can't free this memory, it becomes part of a linked list parsed atexit() */
- lock_file = xcalloc(1, sizeof(struct lock_file));
-
- newfd = hold_locked_index(lock_file, 0);
+ /* we will diagnose later if it turns out that we need to update it */
+ newfd = hold_locked_index(&lock_file, 0);
if (newfd < 0)
lock_error = errno;
if (entries < 0)
die("cache corrupted");
- for (i = 1 ; i < argc; i++) {
- const char *path = argv[i];
- const char *p;
-
- if (allow_options && *path == '-') {
- if (!strcmp(path, "--")) {
- allow_options = 0;
- continue;
- }
- if (!strcmp(path, "-q")) {
- refresh_flags |= REFRESH_QUIET;
- continue;
- }
- if (!strcmp(path, "--ignore-submodules")) {
- refresh_flags |= REFRESH_IGNORE_SUBMODULES;
- continue;
- }
- if (!strcmp(path, "--add")) {
- allow_add = 1;
- continue;
- }
- if (!strcmp(path, "--replace")) {
- allow_replace = 1;
- continue;
- }
- if (!strcmp(path, "--remove")) {
- allow_remove = 1;
- continue;
- }
- if (!strcmp(path, "--unmerged")) {
- refresh_flags |= REFRESH_UNMERGED;
- continue;
- }
- if (!strcmp(path, "--refresh")) {
- setup_work_tree();
- has_errors |= refresh_cache(refresh_flags);
- continue;
- }
- if (!strcmp(path, "--really-refresh")) {
- setup_work_tree();
- has_errors |= refresh_cache(REFRESH_REALLY | refresh_flags);
- continue;
- }
- if (!strcmp(path, "--cacheinfo")) {
- unsigned char sha1[20];
- unsigned int mode;
-
- if (i+3 >= argc)
- die("git update-index: --cacheinfo <mode> <sha1> <path>");
-
- if (strtoul_ui(argv[i+1], 8, &mode) ||
- get_sha1_hex(argv[i+2], sha1) ||
- add_cacheinfo(mode, sha1, argv[i+3], 0))
- die("git update-index: --cacheinfo"
- " cannot add %s", argv[i+3]);
- i += 3;
- continue;
- }
- if (!strcmp(path, "--chmod=-x") ||
- !strcmp(path, "--chmod=+x")) {
- if (argc <= i+1)
- die("git update-index: %s <path>", path);
- set_executable_bit = path[8];
- continue;
- }
- if (!strcmp(path, "--assume-unchanged")) {
- mark_valid_only = MARK_FLAG;
- continue;
- }
- if (!strcmp(path, "--no-assume-unchanged")) {
- mark_valid_only = UNMARK_FLAG;
- continue;
- }
- if (!strcmp(path, "--no-skip-worktree")) {
- mark_skip_worktree_only = UNMARK_FLAG;
- continue;
- }
- if (!strcmp(path, "--skip-worktree")) {
- mark_skip_worktree_only = MARK_FLAG;
- continue;
- }
- if (!strcmp(path, "--info-only")) {
- info_only = 1;
- continue;
- }
- if (!strcmp(path, "--force-remove")) {
- force_remove = 1;
- continue;
- }
- if (!strcmp(path, "-z")) {
- line_termination = 0;
- continue;
- }
- if (!strcmp(path, "--stdin")) {
- if (i != argc - 1)
- die("--stdin must be at the end");
- read_from_stdin = 1;
- break;
- }
- if (!strcmp(path, "--index-info")) {
- if (i != argc - 1)
- die("--index-info must be at the end");
- allow_add = allow_replace = allow_remove = 1;
- read_index_info(line_termination);
- break;
- }
- if (!strcmp(path, "--unresolve")) {
- has_errors = do_unresolve(argc - i, argv + i,
- prefix, prefix_length);
- if (has_errors)
- active_cache_changed = 0;
- goto finish;
- }
- if (!strcmp(path, "--again") || !strcmp(path, "-g")) {
- setup_work_tree();
- has_errors = do_reupdate(argc - i, argv + i,
- prefix, prefix_length);
- if (has_errors)
- active_cache_changed = 0;
- goto finish;
- }
- if (!strcmp(path, "--ignore-missing")) {
- refresh_flags |= REFRESH_IGNORE_MISSING;
- continue;
- }
- if (!strcmp(path, "--verbose")) {
- verbose = 1;
- continue;
- }
- if (!strcmp(path, "--clear-resolve-undo")) {
- resolve_undo_clear();
- continue;
- }
- if (!strcmp(path, "-h") || !strcmp(path, "--help"))
- usage(update_index_usage);
- die("unknown option %s", path);
+ /*
+ * Custom copy of parse_options() because we want to handle
+ * filename arguments as they come.
+ */
+ parse_options_start(&ctx, argc, argv, prefix,
+ options, PARSE_OPT_STOP_AT_NON_OPTION);
+ while (ctx.argc) {
+ if (parseopt_state != PARSE_OPT_DONE)
+ parseopt_state = parse_options_step(&ctx, options,
+ update_index_usage);
+ if (!ctx.argc)
+ break;
+ switch (parseopt_state) {
+ case PARSE_OPT_HELP:
+ case PARSE_OPT_ERROR:
+ exit(129);
+ case PARSE_OPT_COMPLETE:
+ exit(0);
+ case PARSE_OPT_NON_OPTION:
+ case PARSE_OPT_DONE:
+ {
+ const char *path = ctx.argv[0];
+ char *p;
+
+ setup_work_tree();
+ p = prefix_path(prefix, prefix_length, path);
+ update_one(p);
+ if (set_executable_bit)
+ chmod_path(set_executable_bit, p);
+ free(p);
+ ctx.argc--;
+ ctx.argv++;
+ break;
+ }
+ case PARSE_OPT_UNKNOWN:
+ if (ctx.argv[0][1] == '-')
+ error("unknown option '%s'", ctx.argv[0] + 2);
+ else
+ error("unknown switch '%c'", *ctx.opt);
+ usage_with_options(update_index_usage, options);
}
- setup_work_tree();
- p = prefix_path(prefix, prefix_length, path);
- update_one(p, NULL, 0);
- if (set_executable_bit)
- chmod_path(set_executable_bit, p);
- if (p < path || p > path + strlen(path))
- free((char *)p);
}
+ argc = parse_options_end(&ctx);
+
+ getline_fn = nul_term_line ? strbuf_getline_nul : strbuf_getline_lf;
+ if (preferred_index_format) {
+ if (preferred_index_format < INDEX_FORMAT_LB ||
+ INDEX_FORMAT_UB < preferred_index_format)
+ die("index-version %d not in range: %d..%d",
+ preferred_index_format,
+ INDEX_FORMAT_LB, INDEX_FORMAT_UB);
+
+ if (the_index.version != preferred_index_format)
+ active_cache_changed |= SOMETHING_CHANGED;
+ the_index.version = preferred_index_format;
+ }
+
if (read_from_stdin) {
- struct strbuf buf = STRBUF_INIT, nbuf = STRBUF_INIT;
+ struct strbuf buf = STRBUF_INIT;
+ struct strbuf unquoted = STRBUF_INIT;
setup_work_tree();
- while (strbuf_getline(&buf, stdin, line_termination) != EOF) {
- const char *p;
- if (line_termination && buf.buf[0] == '"') {
- strbuf_reset(&nbuf);
- if (unquote_c_style(&nbuf, buf.buf, NULL))
+ while (getline_fn(&buf, stdin) != EOF) {
+ char *p;
+ if (!nul_term_line && buf.buf[0] == '"') {
+ strbuf_reset(&unquoted);
+ if (unquote_c_style(&unquoted, buf.buf, NULL))
die("line is badly quoted");
- strbuf_swap(&buf, &nbuf);
+ strbuf_swap(&buf, &unquoted);
}
p = prefix_path(prefix, prefix_length, buf.buf);
- update_one(p, NULL, 0);
+ update_one(p);
if (set_executable_bit)
chmod_path(set_executable_bit, p);
- if (p < buf.buf || p > buf.buf + buf.len)
- free((char *)p);
+ free(p);
}
- strbuf_release(&nbuf);
+ strbuf_release(&unquoted);
strbuf_release(&buf);
}
- finish:
- if (active_cache_changed) {
+ if (split_index > 0) {
+ if (git_config_get_split_index() == 0)
+ warning(_("core.splitIndex is set to false; "
+ "remove or change it, if you really want to "
+ "enable split index"));
+ if (the_index.split_index)
+ the_index.cache_changed |= SPLIT_INDEX_ORDERED;
+ else
+ add_split_index(&the_index);
+ } else if (!split_index) {
+ if (git_config_get_split_index() == 1)
+ warning(_("core.splitIndex is set to true; "
+ "remove or change it, if you really want to "
+ "disable split index"));
+ remove_split_index(&the_index);
+ }
+
+ switch (untracked_cache) {
+ case UC_UNSPECIFIED:
+ break;
+ case UC_DISABLE:
+ if (git_config_get_untracked_cache() == 1)
+ warning(_("core.untrackedCache is set to true; "
+ "remove or change it, if you really want to "
+ "disable the untracked cache"));
+ remove_untracked_cache(&the_index);
+ report(_("Untracked cache disabled"));
+ break;
+ case UC_TEST:
+ setup_work_tree();
+ return !test_if_untracked_cache_is_supported();
+ case UC_ENABLE:
+ case UC_FORCE:
+ if (git_config_get_untracked_cache() == 0)
+ warning(_("core.untrackedCache is set to false; "
+ "remove or change it, if you really want to "
+ "enable the untracked cache"));
+ add_untracked_cache(&the_index);
+ report(_("Untracked cache enabled for '%s'"), get_git_work_tree());
+ break;
+ default:
+ BUG("bad untracked_cache value: %d", untracked_cache);
+ }
+
+ if (fsmonitor > 0) {
+ if (git_config_get_fsmonitor() == 0)
+ warning(_("core.fsmonitor is unset; "
+ "set it if you really want to "
+ "enable fsmonitor"));
+ add_fsmonitor(&the_index);
+ report(_("fsmonitor enabled"));
+ } else if (!fsmonitor) {
+ if (git_config_get_fsmonitor() == 1)
+ warning(_("core.fsmonitor is set; "
+ "remove it if you really want to "
+ "disable fsmonitor"));
+ remove_fsmonitor(&the_index);
+ report(_("fsmonitor disabled"));
+ }
+
+ if (active_cache_changed || force_write) {
if (newfd < 0) {
- if (refresh_flags & REFRESH_QUIET)
+ if (refresh_args.flags & REFRESH_QUIET)
exit(128);
- unable_to_lock_index_die(get_index_file(), lock_error);
+ unable_to_lock_die(get_index_file(), lock_error);
}
- if (write_cache(newfd, active_cache, active_nr) ||
- commit_locked_index(lock_file))
+ if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK))
die("Unable to write new index file");
}
- rollback_lock_file(lock_file);
+ rollback_lock_file(&lock_file);
return has_errors ? 1 : 0;
}