}
int init_apply_state(struct apply_state *state,
- const char *prefix,
- struct lock_file *lock_file)
+ const char *prefix)
{
memset(state, 0, sizeof(*state));
state->prefix = prefix;
- state->lock_file = lock_file;
- state->newfd = -1;
state->apply = 1;
state->line_termination = '\n';
state->p_value = 1;
}
if (state->check_index)
state->unsafe_paths = 0;
- if (!state->lock_file)
- return error("BUG: state->lock_file should not be NULL");
if (state->apply_verbosity <= verbosity_silent) {
state->saved_error_routine = get_error_routine();
if (!patch->is_delete)
new_name = patch->new_name;
- if (old_name && !verify_path(old_name))
+ if (old_name && !verify_path(old_name, patch->old_mode))
return error(_("invalid path '%s'"), old_name);
- if (new_name && !verify_path(new_name))
+ if (new_name && !verify_path(new_name, patch->new_mode))
return error(_("invalid path '%s'"), new_name);
return 0;
}
state->apply = 0;
state->update_index = state->check_index && state->apply;
- if (state->update_index && state->newfd < 0) {
+ if (state->update_index && !is_lock_file_locked(&state->lock_file)) {
if (state->index_file)
- state->newfd = hold_lock_file_for_update(state->lock_file,
- state->index_file,
- LOCK_DIE_ON_ERROR);
+ hold_lock_file_for_update(&state->lock_file,
+ state->index_file,
+ LOCK_DIE_ON_ERROR);
else
- state->newfd = hold_locked_index(state->lock_file, LOCK_DIE_ON_ERROR);
+ hold_locked_index(&state->lock_file, LOCK_DIE_ON_ERROR);
}
if (state->check_index && read_apply_cache(state) < 0) {
}
if (state->update_index) {
- res = write_locked_index(&the_index, state->lock_file, COMMIT_LOCK);
+ res = write_locked_index(&the_index, &state->lock_file, COMMIT_LOCK);
if (res) {
error(_("Unable to write new index file"));
res = -128;
goto end;
}
- state->newfd = -1;
}
res = !!errs;
end:
- if (state->newfd >= 0) {
- rollback_lock_file(state->lock_file);
- state->newfd = -1;
- }
+ rollback_lock_file(&state->lock_file);
if (state->apply_verbosity <= verbosity_silent) {
set_error_routine(state->saved_error_routine);
#include "remote.h"
#include "refs.h"
#include "connect.h"
+#include "revision.h"
+#include "diffcore.h"
+#include "diff.h"
+
+#define OPT_QUIET (1 << 0)
+#define OPT_CACHED (1 << 1)
+#define OPT_RECURSIVE (1 << 2)
+
+typedef void (*each_submodule_fn)(const struct cache_entry *list_item,
+ void *cb_data);
static char *get_default_remote(void)
{
return 0;
}
+/* the result should be freed by the caller. */
+static char *get_submodule_displaypath(const char *path, const char *prefix)
+{
+ const char *super_prefix = get_super_prefix();
+
+ if (prefix && super_prefix) {
+ BUG("cannot have prefix '%s' and superprefix '%s'",
+ prefix, super_prefix);
+ } else if (prefix) {
+ struct strbuf sb = STRBUF_INIT;
+ char *displaypath = xstrdup(relative_path(path, prefix, &sb));
+ strbuf_release(&sb);
+ return displaypath;
+ } else if (super_prefix) {
+ return xstrfmt("%s%s", super_prefix, path);
+ } else {
+ return xstrdup(path);
+ }
+}
+
+static char *compute_rev_name(const char *sub_path, const char* object_id)
+{
+ struct strbuf sb = STRBUF_INIT;
+ const char ***d;
+
+ static const char *describe_bare[] = { NULL };
+
+ static const char *describe_tags[] = { "--tags", NULL };
+
+ static const char *describe_contains[] = { "--contains", NULL };
+
+ static const char *describe_all_always[] = { "--all", "--always", NULL };
+
+ static const char **describe_argv[] = { describe_bare, describe_tags,
+ describe_contains,
+ describe_all_always, NULL };
+
+ for (d = describe_argv; *d; d++) {
+ struct child_process cp = CHILD_PROCESS_INIT;
+ prepare_submodule_repo_env(&cp.env_array);
+ cp.dir = sub_path;
+ cp.git_cmd = 1;
+ cp.no_stderr = 1;
+
+ argv_array_push(&cp.args, "describe");
+ argv_array_pushv(&cp.args, *d);
+ argv_array_push(&cp.args, object_id);
+
+ if (!capture_command(&cp, &sb, 0)) {
+ strbuf_strip_suffix(&sb, "\n");
+ return strbuf_detach(&sb, NULL);
+ }
+ }
+
+ strbuf_release(&sb);
+ return NULL;
+}
+
struct module_list {
const struct cache_entry **entries;
int alloc, nr;
return 0;
}
-static void init_submodule(const char *path, const char *prefix, int quiet)
+static void for_each_listed_submodule(const struct module_list *list,
+ each_submodule_fn fn, void *cb_data)
+{
+ int i;
+ for (i = 0; i < list->nr; i++)
+ fn(list->entries[i], cb_data);
+}
+
+struct init_cb {
+ const char *prefix;
+ unsigned int flags;
+};
+
+#define INIT_CB_INIT { NULL, 0 }
+
+static void init_submodule(const char *path, const char *prefix,
+ unsigned int flags)
{
const struct submodule *sub;
struct strbuf sb = STRBUF_INIT;
char *upd = NULL, *url = NULL, *displaypath;
- if (prefix && get_super_prefix())
- die("BUG: cannot have prefix and superprefix");
- else if (prefix)
- displaypath = xstrdup(relative_path(path, prefix, &sb));
- else if (get_super_prefix()) {
- strbuf_addf(&sb, "%s%s", get_super_prefix(), path);
- displaypath = strbuf_detach(&sb, NULL);
- } else
- displaypath = xstrdup(path);
+ displaypath = get_submodule_displaypath(path, prefix);
sub = submodule_from_path(&null_oid, path);
* Set active flag for the submodule being initialized
*/
if (!is_submodule_active(the_repository, path)) {
- strbuf_reset(&sb);
strbuf_addf(&sb, "submodule.%s.active", sub->name);
git_config_set_gently(sb.buf, "true");
+ strbuf_reset(&sb);
}
/*
* To look up the url in .git/config, we must not fall back to
* .gitmodules, so look it up directly.
*/
- strbuf_reset(&sb);
strbuf_addf(&sb, "submodule.%s.url", sub->name);
if (git_config_get_string(sb.buf, &url)) {
if (!sub->url)
if (git_config_set_gently(sb.buf, url))
die(_("Failed to register url for submodule path '%s'"),
displaypath);
- if (!quiet)
+ if (!(flags & OPT_QUIET))
fprintf(stderr,
_("Submodule '%s' (%s) registered for path '%s'\n"),
sub->name, url, displaypath);
}
+ strbuf_reset(&sb);
/* Copy "update" setting when it is not set yet */
- strbuf_reset(&sb);
strbuf_addf(&sb, "submodule.%s.update", sub->name);
if (git_config_get_string(sb.buf, &upd) &&
sub->update_strategy.type != SM_UPDATE_UNSPECIFIED) {
free(upd);
}
+static void init_submodule_cb(const struct cache_entry *list_item, void *cb_data)
+{
+ struct init_cb *info = cb_data;
+ init_submodule(list_item->name, info->prefix, info->flags);
+}
+
static int module_init(int argc, const char **argv, const char *prefix)
{
+ struct init_cb info = INIT_CB_INIT;
struct pathspec pathspec;
struct module_list list = MODULE_LIST_INIT;
int quiet = 0;
- int i;
struct option module_init_options[] = {
OPT__QUIET(&quiet, N_("Suppress output for initializing a submodule")),
if (!argc && git_config_get_value_multi("submodule.active"))
module_list_active(&list);
- for (i = 0; i < list.nr; i++)
- init_submodule(list.entries[i]->name, prefix, quiet);
+ info.prefix = prefix;
+ if (quiet)
+ info.flags |= OPT_QUIET;
+
+ for_each_listed_submodule(&list, init_submodule_cb, &info);
+
+ return 0;
+}
+
+struct status_cb {
+ const char *prefix;
+ unsigned int flags;
+};
+
+#define STATUS_CB_INIT { NULL, 0 }
+
+static void print_status(unsigned int flags, char state, const char *path,
+ const struct object_id *oid, const char *displaypath)
+{
+ if (flags & OPT_QUIET)
+ return;
+
+ printf("%c%s %s", state, oid_to_hex(oid), displaypath);
+
+ if (state == ' ' || state == '+')
+ printf(" (%s)", compute_rev_name(path, oid_to_hex(oid)));
+
+ printf("\n");
+}
+
+static int handle_submodule_head_ref(const char *refname,
+ const struct object_id *oid, int flags,
+ void *cb_data)
+{
+ struct object_id *output = cb_data;
+ if (oid)
+ oidcpy(output, oid);
+
+ return 0;
+}
+
+static void status_submodule(const char *path, const struct object_id *ce_oid,
+ unsigned int ce_flags, const char *prefix,
+ unsigned int flags)
+{
+ char *displaypath;
+ struct argv_array diff_files_args = ARGV_ARRAY_INIT;
+ struct rev_info rev;
+ int diff_files_result;
+
+ if (!submodule_from_path(&null_oid, path))
+ die(_("no submodule mapping found in .gitmodules for path '%s'"),
+ path);
+
+ displaypath = get_submodule_displaypath(path, prefix);
+
+ if ((CE_STAGEMASK & ce_flags) >> CE_STAGESHIFT) {
+ print_status(flags, 'U', path, &null_oid, displaypath);
+ goto cleanup;
+ }
+
+ if (!is_submodule_active(the_repository, path)) {
+ print_status(flags, '-', path, ce_oid, displaypath);
+ goto cleanup;
+ }
+
+ argv_array_pushl(&diff_files_args, "diff-files",
+ "--ignore-submodules=dirty", "--quiet", "--",
+ path, NULL);
+
+ git_config(git_diff_basic_config, NULL);
+ init_revisions(&rev, prefix);
+ rev.abbrev = 0;
+ diff_files_args.argc = setup_revisions(diff_files_args.argc,
+ diff_files_args.argv,
+ &rev, NULL);
+ diff_files_result = run_diff_files(&rev, 0);
+
+ if (!diff_result_code(&rev.diffopt, diff_files_result)) {
+ print_status(flags, ' ', path, ce_oid,
+ displaypath);
+ } else if (!(flags & OPT_CACHED)) {
+ struct object_id oid;
+
+ if (refs_head_ref(get_submodule_ref_store(path),
+ handle_submodule_head_ref, &oid))
+ die(_("could not resolve HEAD ref inside the "
+ "submodule '%s'"), path);
+
+ print_status(flags, '+', path, &oid, displaypath);
+ } else {
+ print_status(flags, '+', path, ce_oid, displaypath);
+ }
+
+ if (flags & OPT_RECURSIVE) {
+ struct child_process cpr = CHILD_PROCESS_INIT;
+
+ cpr.git_cmd = 1;
+ cpr.dir = path;
+ prepare_submodule_repo_env(&cpr.env_array);
+
+ argv_array_push(&cpr.args, "--super-prefix");
+ argv_array_pushf(&cpr.args, "%s/", displaypath);
+ argv_array_pushl(&cpr.args, "submodule--helper", "status",
+ "--recursive", NULL);
+
+ if (flags & OPT_CACHED)
+ argv_array_push(&cpr.args, "--cached");
+
+ if (flags & OPT_QUIET)
+ argv_array_push(&cpr.args, "--quiet");
+
+ if (run_command(&cpr))
+ die(_("failed to recurse into submodule '%s'"), path);
+ }
+
+cleanup:
+ argv_array_clear(&diff_files_args);
+ free(displaypath);
+}
+
+static void status_submodule_cb(const struct cache_entry *list_item,
+ void *cb_data)
+{
+ struct status_cb *info = cb_data;
+ status_submodule(list_item->name, &list_item->oid, list_item->ce_flags,
+ info->prefix, info->flags);
+}
+
+static int module_status(int argc, const char **argv, const char *prefix)
+{
+ struct status_cb info = STATUS_CB_INIT;
+ struct pathspec pathspec;
+ struct module_list list = MODULE_LIST_INIT;
+ int quiet = 0;
+
+ struct option module_status_options[] = {
+ OPT__QUIET(&quiet, N_("Suppress submodule status output")),
+ OPT_BIT(0, "cached", &info.flags, N_("Use commit stored in the index instead of the one stored in the submodule HEAD"), OPT_CACHED),
+ OPT_BIT(0, "recursive", &info.flags, N_("recurse into nested submodules"), OPT_RECURSIVE),
+ OPT_END()
+ };
+
+ const char *const git_submodule_helper_usage[] = {
+ N_("git submodule status [--quiet] [--cached] [--recursive] [<path>...]"),
+ NULL
+ };
+
+ argc = parse_options(argc, argv, prefix, module_status_options,
+ git_submodule_helper_usage, 0);
+
+ if (module_list_compute(argc, argv, prefix, &pathspec, &list) < 0)
+ return 1;
+
+ info.prefix = prefix;
+ if (quiet)
+ info.flags |= OPT_QUIET;
+
+ for_each_listed_submodule(&list, status_submodule_cb, &info);
return 0;
}
argv++;
argc--;
/* Get the submodule's head ref and determine if it is detached */
- head = resolve_refdup("HEAD", 0, head_oid.hash, NULL);
+ head = resolve_refdup("HEAD", 0, &head_oid, NULL);
if (!head)
die(_("Failed to resolve HEAD as a valid ref."));
if (!strcmp(head, "HEAD"))
return !is_submodule_active(the_repository, argv[1]);
}
+ /*
+ * Exit non-zero if any of the submodule names given on the command line is
+ * invalid. If no names are given, filter stdin to print only valid names
+ * (which is primarily intended for testing).
+ */
+ static int check_name(int argc, const char **argv, const char *prefix)
+ {
+ if (argc > 1) {
+ while (*++argv) {
+ if (check_submodule_name(*argv) < 0)
+ return 1;
+ }
+ } else {
+ struct strbuf buf = STRBUF_INIT;
+ while (strbuf_getline(&buf, stdin) != EOF) {
+ if (!check_submodule_name(buf.buf))
+ printf("%s\n", buf.buf);
+ }
+ strbuf_release(&buf);
+ }
+ return 0;
+ }
+
#define SUPPORT_SUPER_PREFIX (1<<0)
struct cmd_struct {
{"resolve-relative-url", resolve_relative_url, 0},
{"resolve-relative-url-test", resolve_relative_url_test, 0},
{"init", module_init, SUPPORT_SUPER_PREFIX},
+ {"status", module_status, SUPPORT_SUPER_PREFIX},
{"remote-branch", resolve_remote_submodule_branch, 0},
{"push-check", push_check, 0},
{"absorb-git-dirs", absorb_git_dirs, SUPPORT_SUPER_PREFIX},
{"is-active", is_active, 0},
+ {"check-name", check_name, 0},
};
int cmd_submodule__helper(int argc, const char **argv, const char *prefix)
#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;
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
if (S_ISGITLINK(ce->ce_mode)) {
/* Do nothing to the index if there is no HEAD! */
- if (resolve_gitlink_ref(path, "HEAD", oid.hash) < 0)
+ if (resolve_gitlink_ref(path, "HEAD", &oid) < 0)
return 0;
return add_one_path(ce, path, len, st);
}
/* No match - should we add it as a gitlink? */
- if (!resolve_gitlink_ref(path, "HEAD", oid.hash))
+ 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;
const struct cache_entry *ce;
len = strlen(path);
* 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 (stat_errno)
+ return process_lstat_error(path, stat_errno);
- if (S_ISDIR(st.st_mode))
- return process_directory(path, len, &st);
+ 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 struct object_id *oid,
int size, len, option;
struct cache_entry *ce;
- if (!verify_path(path))
+ if (!verify_path(path, mode))
return error("Invalid path '%s'", path);
len = strlen(path);
static void update_one(const char *path)
{
- if (!verify_path(path)) {
+ int stat_errno = 0;
+ struct stat st;
+
+ if (mark_valid_only || mark_skip_worktree_only || force_remove)
+ 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);
return;
}
die("Unable to mark file %s", path);
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(path))
report("remove '%s'", path);
return;
}
- if (process_path(path))
+ if (process_path(path, &st, stat_errno))
die("Unable to process path %s", path);
report("add '%s'", path);
}
path_name = uq.buf;
}
- if (!verify_path(path_name)) {
+ if (!verify_path(path_name, mode)) {
fprintf(stderr, "Ignoring path %s\n", path_name);
continue;
}
static void read_head_pointers(void)
{
- if (read_ref("HEAD", head_oid.hash))
+ if (read_ref("HEAD", &head_oid))
die("No HEAD -- no initial commit yet?");
- if (read_ref("MERGE_HEAD", merge_head_oid.hash)) {
+ if (read_ref("MERGE_HEAD", &merge_head_oid)) {
fprintf(stderr, "Not in the middle of a merge.\n");
exit(0);
}
PATHSPEC_PREFER_CWD,
prefix, av + 1);
- if (read_ref("HEAD", head_oid.hash))
+ if (read_ref("HEAD", &head_oid))
/* If there is no HEAD, that means it is an initial
* commit. Update everything in the index.
*/
struct refresh_params refresh_args = {0, &has_errors};
int lock_error = 0;
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;
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()
};
die("BUG: bad untracked_cache value: %d", untracked_cache);
}
- if (active_cache_changed) {
+ 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_args.flags & REFRESH_QUIET)
exit(128);
#include "hash.h"
#include "path.h"
#include "sha1-array.h"
+#include "repository.h"
#ifndef platform_SHA_CTX
/*
unsigned char hash[GIT_MAX_RAWSZ];
};
+#define the_hash_algo the_repository->hash_algo
+
#if defined(DT_UNKNOWN) && !defined(NO_D_TYPE_IN_DIRENT)
#define DTYPE(de) ((de)->d_type)
#else
#define CE_ADDED (1 << 19)
#define CE_HASHED (1 << 20)
+#define CE_FSMONITOR_VALID (1 << 21)
#define CE_WT_REMOVE (1 << 22) /* remove in work directory */
#define CE_CONFLICTED (1 << 23)
#define CACHE_TREE_CHANGED (1 << 5)
#define SPLIT_INDEX_ORDERED (1 << 6)
#define UNTRACKED_CHANGED (1 << 7)
+#define FSMONITOR_CHANGED (1 << 8)
struct split_index;
struct untracked_cache;
struct split_index *split_index;
struct cache_time timestamp;
unsigned name_hash_initialized : 1,
- initialized : 1;
+ initialized : 1,
+ drop_cache_tree : 1;
struct hashmap name_hash;
struct hashmap dir_hash;
unsigned char sha1[20];
struct untracked_cache *untracked;
+ uint64_t fsmonitor_last_update;
+ struct ewah_bitmap *fsmonitor_dirty;
};
extern struct index_state the_index;
#define active_cache_tree (the_index.cache_tree)
#define read_cache() read_index(&the_index)
-#define read_cache_from(path) read_index_from(&the_index, (path))
+#define read_cache_from(path) read_index_from(&the_index, (path), (get_git_dir()))
#define read_cache_preload(pathspec) read_index_preload(&the_index, (pathspec))
#define is_cache_unborn() is_index_unborn(&the_index)
#define read_cache_unmerged() read_index_unmerged(&the_index)
#define GIT_QUARANTINE_ENVIRONMENT "GIT_QUARANTINE_PATH"
#define GIT_OPTIONAL_LOCKS_ENVIRONMENT "GIT_OPTIONAL_LOCKS"
+/*
+ * Environment variable used in handshaking the wire protocol.
+ * Contains a colon ':' separated list of keys with optional values
+ * 'key[=value]'. Presence of unknown keys and values must be
+ * ignored.
+ */
+#define GIT_PROTOCOL_ENVIRONMENT "GIT_PROTOCOL"
+/* HTTP header used to handshake the wire protocol */
+#define GIT_PROTOCOL_HEADER "Git-Protocol"
+
/*
* This environment variable is expected to contain a boolean indicating
* whether we should or should not treat:
extern int read_index_preload(struct index_state *, const struct pathspec *pathspec);
extern int do_read_index(struct index_state *istate, const char *path,
int must_exist); /* for testting only! */
-extern int read_index_from(struct index_state *, const char *path);
+extern int read_index_from(struct index_state *, const char *path,
+ const char *gitdir);
extern int is_index_unborn(struct index_state *);
extern int read_index_unmerged(struct index_state *);
+
+/* For use with `write_locked_index()`. */
#define COMMIT_LOCK (1 << 0)
-#define CLOSE_LOCK (1 << 1)
+
+/*
+ * Write the index while holding an already-taken lock. Close the lock,
+ * and if `COMMIT_LOCK` is given, commit it.
+ *
+ * Unless a split index is in use, write the index into the lockfile.
+ *
+ * With a split index, write the shared index to a temporary file,
+ * adjust its permissions and rename it into place, then write the
+ * split index to the lockfile. If the temporary file for the shared
+ * index cannot be created, fall back to the behavior described in
+ * the previous paragraph.
+ *
+ * With `COMMIT_LOCK`, the lock is always committed or rolled back.
+ * Without it, the lock is closed, but neither committed nor rolled
+ * back.
+ */
extern int write_locked_index(struct index_state *, struct lock_file *lock, unsigned flags);
+
extern int discard_index(struct index_state *);
extern void move_index_extensions(struct index_state *dst, struct index_state *src);
extern int unmerged_index(const struct index_state *);
- extern int verify_path(const char *path);
+
+/**
+ * Returns 1 if the index differs from HEAD, 0 otherwise. When on an unborn
+ * branch, returns 1 if there are entries in the index, 0 otherwise. If an
+ * strbuf is provided, the space-separated list of files that differ will be
+ * appended to it.
+ */
+extern int index_has_changes(struct strbuf *sb);
+
+ extern int verify_path(const char *path, unsigned mode);
extern int strcmp_offset(const char *s1, const char *s2, size_t *first_change);
extern int index_dir_exists(struct index_state *istate, const char *name, int namelen);
extern void adjust_dirname_case(struct index_state *istate, char *name);
#define CE_MATCH_IGNORE_MISSING 0x08
/* enable stat refresh */
#define CE_MATCH_REFRESH 0x10
-extern int ie_match_stat(const struct index_state *, const struct cache_entry *, struct stat *, unsigned int);
-extern int ie_modified(const struct index_state *, const struct cache_entry *, struct stat *, unsigned int);
+/* don't refresh_fsmonitor state or do stat comparison even if CE_FSMONITOR_VALID is true */
+#define CE_MATCH_IGNORE_FSMONITOR 0X20
+extern int ie_match_stat(struct index_state *, const struct cache_entry *, struct stat *, unsigned int);
+extern int ie_modified(struct index_state *, const struct cache_entry *, struct stat *, unsigned int);
#define HASH_WRITE_OBJECT 1
#define HASH_FORMAT_CHECK 2
+#define HASH_RENORMALIZE 4
extern int index_fd(struct object_id *oid, int fd, struct stat *st, enum object_type type, const char *path, unsigned flags);
extern int index_path(struct object_id *oid, const char *path, struct stat *st, unsigned flags);
extern int refresh_index(struct index_state *, unsigned int flags, const struct pathspec *pathspec, char *seen, const char *header_msg);
extern struct cache_entry *refresh_cache_entry(struct cache_entry *, unsigned int);
+/*
+ * Opportunistically update the index but do not complain if we can't.
+ * The lockfile is always committed or rolled back.
+ */
extern void update_index_if_able(struct index_state *, struct lock_file *);
extern int hold_locked_index(struct lock_file *, int);
extern void set_alternate_index_output(const char *);
extern int verify_index_checksum;
+extern int verify_ce_order;
/* Environment bits from configuration mechanism */
extern int trust_executable_bit;
extern int precomposed_unicode;
extern int protect_hfs;
extern int protect_ntfs;
+extern const char *core_fsmonitor;
/*
* Include broken refs in all ref iterations, which will
int version;
int precious_objects;
int is_bare;
+ int hash_algo;
char *work_tree;
struct string_list unknown_extensions;
};
static inline int is_empty_blob_sha1(const unsigned char *sha1)
{
- return !hashcmp(sha1, EMPTY_BLOB_SHA1_BIN);
+ return !hashcmp(sha1, the_hash_algo->empty_blob->hash);
}
static inline int is_empty_blob_oid(const struct object_id *oid)
{
- return !hashcmp(oid->hash, EMPTY_BLOB_SHA1_BIN);
+ return !oidcmp(oid, the_hash_algo->empty_blob);
}
static inline int is_empty_tree_sha1(const unsigned char *sha1)
{
- return !hashcmp(sha1, EMPTY_TREE_SHA1_BIN);
+ return !hashcmp(sha1, the_hash_algo->empty_tree->hash);
}
static inline int is_empty_tree_oid(const struct object_id *oid)
{
- return !hashcmp(oid->hash, EMPTY_TREE_SHA1_BIN);
+ return !oidcmp(oid, the_hash_algo->empty_tree);
}
/* set default permissions by passing mode arguments to open(2) */
int longest_ancestor_length(const char *path, struct string_list *prefixes);
char *strip_path_suffix(const char *path, const char *suffix);
int daemon_avoid_alias(const char *path);
- extern int is_ntfs_dotgit(const char *name);
+
+ /*
+ * These functions match their is_hfs_dotgit() counterparts; see utf8.h for
+ * details.
+ */
+ int is_ntfs_dotgit(const char *name);
+ int is_ntfs_dotgitmodules(const char *name);
+ int is_ntfs_dotgitignore(const char *name);
+ int is_ntfs_dotgitattributes(const char *name);
/*
* Returns true iff "str" could be confused as a command-line option when
extern int get_sha1_hex(const char *hex, unsigned char *sha1);
extern int get_oid_hex(const char *hex, struct object_id *sha1);
+/*
+ * Read `len` pairs of hexadecimal digits from `hex` and write the
+ * values to `binary` as `len` bytes. Return 0 on success, or -1 if
+ * the input does not consist of hex digits).
+ */
+extern int hex_to_bytes(unsigned char *binary, const char *hex, size_t len);
+
/*
* Convert a binary sha1 to its hex equivalent. The `_r` variant is reentrant,
* and writes the NUL-terminated output to the buffer `out`, which must be at
extern const char *ident_default_email(void);
extern const char *git_editor(void);
extern const char *git_pager(int stdout_is_tty);
+extern int is_terminal_dumb(void);
extern int git_ident_config(const char *, const char *, void *);
extern void reset_ident_date(void);
*/
void safe_create_dir(const char *dir, int share);
+/*
+ * Should we print an ellipsis after an abbreviated SHA-1 value
+ * when doing diff-raw output or indicating a detached HEAD?
+ */
+extern int print_sha1_ellipsis(void);
+
#endif /* CACHE_H */
return 0;
}
+/*
+ * If the string "str" is the same as the string in "prefix", then the "arg"
+ * parameter is set to the "def" parameter and 1 is returned.
+ * If the string "str" begins with the string found in "prefix" and then a
+ * "=" sign, then the "arg" parameter is set to "str + strlen(prefix) + 1"
+ * (i.e., to the point in the string right after the prefix and the "=" sign),
+ * and 1 is returned.
+ *
+ * Otherwise, return 0 and leave "arg" untouched.
+ *
+ * When we accept both a "--key" and a "--key=<val>" option, this function
+ * can be used instead of !strcmp(arg, "--key") and then
+ * skip_prefix(arg, "--key=", &arg) to parse such an option.
+ */
+int skip_to_optional_arg_default(const char *str, const char *prefix,
+ const char **arg, const char *def);
+
+static inline int skip_to_optional_arg(const char *str, const char *prefix,
+ const char **arg)
+{
+ return skip_to_optional_arg_default(str, prefix, arg, "");
+}
+
/*
* Like skip_prefix, but promises never to read past "len" bytes of the input
* buffer, and returns the remaining number of bytes in "out" via "outlen".
return (x & 0x20) == 0;
}
+ /*
+ * Like skip_prefix, but compare case-insensitively. Note that the comparison
+ * is done via tolower(), so it is strictly ASCII (no multi-byte characters or
+ * locale-specific conversions).
+ */
+ static inline int skip_iprefix(const char *str, const char *prefix,
+ const char **out)
+ {
+ do {
+ if (!*prefix) {
+ *out = str;
+ return 1;
+ }
+ } while (tolower(*str++) == tolower(*prefix++));
+ return 0;
+ }
+
static inline int strtoul_ui(char const *s, int base, unsigned int *result)
{
unsigned long ul;
sm_name="$sm_path"
fi
+ if ! git submodule--helper check-name "$sm_name"
+ then
+ die "$(eval_gettext "'$sm_name' is not a valid submodule name")"
+ fi
+
# perhaps the path exists and is already a git repo, else clone it
if test -e "$sm_path"
then
}
}
-set_name_rev () {
- revname=$( (
- sanitize_submodule_env
- cd "$1" && {
- git describe "$2" 2>/dev/null ||
- git describe --tags "$2" 2>/dev/null ||
- git describe --contains "$2" 2>/dev/null ||
- git describe --all --always "$2"
- }
- ) )
- test -z "$revname" || revname=" ($revname)"
-}
#
# Show commit summary for submodules in index or working tree
#
shift
done
- {
- git submodule--helper list --prefix "$wt_prefix" "$@" ||
- echo "#unmatched" $?
- } |
- while read -r mode sha1 stage sm_path
- do
- die_if_unmatched "$mode" "$sha1"
- name=$(git submodule--helper name "$sm_path") || exit
- displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
- if test "$stage" = U
- then
- say "U$sha1 $displaypath"
- continue
- fi
- if ! git submodule--helper is-active "$sm_path" ||
- {
- ! test -d "$sm_path"/.git &&
- ! test -f "$sm_path"/.git
- }
- then
- say "-$sha1 $displaypath"
- continue;
- fi
- if git diff-files --ignore-submodules=dirty --quiet -- "$sm_path"
- then
- set_name_rev "$sm_path" "$sha1"
- say " $sha1 $displaypath$revname"
- else
- if test -z "$cached"
- then
- sha1=$(sanitize_submodule_env; cd "$sm_path" && git rev-parse --verify HEAD)
- fi
- set_name_rev "$sm_path" "$sha1"
- say "+$sha1 $displaypath$revname"
- fi
-
- if test -n "$recursive"
- then
- (
- prefix="$displaypath/"
- sanitize_submodule_env
- wt_prefix=
- cd "$sm_path" &&
- eval cmd_status
- ) ||
- die "$(eval_gettext "Failed to recurse into submodule path '\$sm_path'")"
- fi
- done
+ git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper status ${GIT_QUIET:+--quiet} ${cached:+--cached} ${recursive:+--recursive} "$@"
}
#
# Sync remote urls for submodules
#include "varint.h"
#include "split-index.h"
#include "utf8.h"
+#include "fsmonitor.h"
/* Mask for the name length in ce_flags in the on-disk index */
#define CACHE_EXT_RESOLVE_UNDO 0x52455543 /* "REUC" */
#define CACHE_EXT_LINK 0x6c696e6b /* "link" */
#define CACHE_EXT_UNTRACKED 0x554E5452 /* "UNTR" */
+#define CACHE_EXT_FSMONITOR 0x46534D4E /* "FSMN" */
/* changes that can be kept in $GIT_DIR/index (basically all extensions) */
#define EXTMASK (RESOLVE_UNDO_CHANGED | CACHE_TREE_CHANGED | \
CE_ENTRY_ADDED | CE_ENTRY_REMOVED | CE_ENTRY_CHANGED | \
- SPLIT_INDEX_ORDERED | UNTRACKED_CHANGED)
+ SPLIT_INDEX_ORDERED | UNTRACKED_CHANGED | FSMONITOR_CHANGED)
struct index_state the_index;
static const char *alternate_index_output;
free(old);
set_index_entry(istate, nr, ce);
ce->ce_flags |= CE_UPDATE_IN_BASE;
+ mark_fsmonitor_invalid(istate, ce);
istate->cache_changed |= CE_ENTRY_CHANGED;
}
if (assume_unchanged)
ce->ce_flags |= CE_VALID;
- if (S_ISREG(st->st_mode))
+ if (S_ISREG(st->st_mode)) {
ce_mark_uptodate(ce);
+ mark_fsmonitor_valid(ce);
+ }
}
static int ce_compare_data(const struct cache_entry *ce, struct stat *st)
static int ce_compare_gitlink(const struct cache_entry *ce)
{
- unsigned char sha1[20];
+ struct object_id oid;
/*
* We don't actually require that the .git directory
*
* If so, we consider it always to match.
*/
- if (resolve_gitlink_ref(ce->name, "HEAD", sha1) < 0)
+ if (resolve_gitlink_ref(ce->name, "HEAD", &oid) < 0)
return 0;
- return hashcmp(sha1, ce->oid.hash);
+ return oidcmp(&oid, &ce->oid);
}
static int ce_modified_check_fs(const struct cache_entry *ce, struct stat *st)
return match_stat_data(sd, st);
}
-int ie_match_stat(const struct index_state *istate,
+int ie_match_stat(struct index_state *istate,
const struct cache_entry *ce, struct stat *st,
unsigned int options)
{
int ignore_valid = options & CE_MATCH_IGNORE_VALID;
int ignore_skip_worktree = options & CE_MATCH_IGNORE_SKIP_WORKTREE;
int assume_racy_is_modified = options & CE_MATCH_RACY_IS_DIRTY;
+ int ignore_fsmonitor = options & CE_MATCH_IGNORE_FSMONITOR;
+ if (!ignore_fsmonitor)
+ refresh_fsmonitor(istate);
/*
* If it's marked as always valid in the index, it's
* valid whatever the checked-out copy says.
return 0;
if (!ignore_valid && (ce->ce_flags & CE_VALID))
return 0;
+ if (!ignore_fsmonitor && (ce->ce_flags & CE_FSMONITOR_VALID))
+ return 0;
/*
* Intent-to-add entries have not been added, so the index entry
return changed;
}
-int ie_modified(const struct index_state *istate,
+int ie_modified(struct index_state *istate,
const struct cache_entry *ce,
struct stat *st, unsigned int options)
{
{
int size, namelen, was_same;
mode_t st_mode = st->st_mode;
- struct cache_entry *ce, *alias;
+ struct cache_entry *ce, *alias = NULL;
unsigned ce_option = CE_MATCH_IGNORE_VALID|CE_MATCH_IGNORE_SKIP_WORKTREE|CE_MATCH_RACY_IS_DIRTY;
int verbose = flags & (ADD_CACHE_VERBOSE | ADD_CACHE_PRETEND);
int pretend = flags & ADD_CACHE_PRETEND;
int intent_only = flags & ADD_CACHE_INTENT;
int add_option = (ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE|
(intent_only ? ADD_CACHE_NEW_ONLY : 0));
+ int newflags = HASH_WRITE_OBJECT;
+
+ if (flags & HASH_RENORMALIZE)
+ newflags |= HASH_RENORMALIZE;
if (!S_ISREG(st_mode) && !S_ISLNK(st_mode) && !S_ISDIR(st_mode))
return error("%s: can only add regular files, symbolic links or git-directories", path);
if (ignore_case) {
adjust_dirname_case(istate, ce->name);
}
+ if (!(flags & HASH_RENORMALIZE)) {
+ alias = index_file_exists(istate, ce->name,
+ ce_namelen(ce), ignore_case);
+ if (alias &&
+ !ce_stage(alias) &&
+ !ie_match_stat(istate, alias, st, ce_option)) {
+ /* Nothing changed, really */
+ if (!S_ISGITLINK(alias->ce_mode))
+ ce_mark_uptodate(alias);
+ alias->ce_flags |= CE_ADDED;
- alias = index_file_exists(istate, ce->name, ce_namelen(ce), ignore_case);
- if (alias && !ce_stage(alias) && !ie_match_stat(istate, alias, st, ce_option)) {
- /* Nothing changed, really */
- if (!S_ISGITLINK(alias->ce_mode))
- ce_mark_uptodate(alias);
- alias->ce_flags |= CE_ADDED;
-
- free(ce);
- return 0;
+ free(ce);
+ return 0;
+ }
}
if (!intent_only) {
- if (index_path(&ce->oid, path, st, HASH_WRITE_OBJECT)) {
+ if (index_path(&ce->oid, path, st, newflags)) {
free(ce);
return error("unable to index file %s", path);
}
int size, len;
struct cache_entry *ce, *ret;
- if (!verify_path(path)) {
+ if (!verify_path(path, mode)) {
error("Invalid path '%s'", path);
return NULL;
}
}
cache_tree_invalidate_path(istate, ce->name);
ce->ce_flags |= CE_UPDATE_IN_BASE;
+ mark_fsmonitor_invalid(istate, ce);
istate->cache_changed |= CE_ENTRY_CHANGED;
return 0;
* Also, we don't want double slashes or slashes at the
* end that can make pathnames ambiguous.
*/
- static int verify_dotfile(const char *rest)
+ static int verify_dotfile(const char *rest, unsigned mode)
{
/*
* The first character was '.', but that
switch (*rest) {
/*
- * ".git" followed by NUL or slash is bad. This
- * shares the path end test with the ".." case.
+ * ".git" followed by NUL or slash is bad. Note that we match
+ * case-insensitively here, even if ignore_case is not set.
+ * This outlaws ".GIT" everywhere out of an abundance of caution,
+ * since there's really no good reason to allow it.
+ *
+ * Once we've seen ".git", we can also find ".gitmodules", etc (also
+ * case-insensitively).
*/
case 'g':
case 'G':
break;
if (rest[2] != 't' && rest[2] != 'T')
break;
- rest += 2;
- /* fallthrough */
+ if (rest[3] == '\0' || is_dir_sep(rest[3]))
+ return 0;
+ if (S_ISLNK(mode)) {
+ rest += 3;
+ if (skip_iprefix(rest, "modules", &rest) &&
+ (*rest == '\0' || is_dir_sep(*rest)))
+ return 0;
+ }
+ break;
case '.':
if (rest[1] == '\0' || is_dir_sep(rest[1]))
return 0;
return 1;
}
- int verify_path(const char *path)
+ int verify_path(const char *path, unsigned mode)
{
char c;
return 1;
if (is_dir_sep(c)) {
inside:
- if (protect_hfs && is_hfs_dotgit(path))
- return 0;
- if (protect_ntfs && is_ntfs_dotgit(path))
- return 0;
+ if (protect_hfs) {
+ if (is_hfs_dotgit(path))
+ return 0;
+ if (S_ISLNK(mode)) {
+ if (is_hfs_dotgitmodules(path))
+ return 0;
+ }
+ }
+ if (protect_ntfs) {
+ if (is_ntfs_dotgit(path))
+ return 0;
+ if (S_ISLNK(mode)) {
+ if (is_ntfs_dotgitmodules(path))
+ return 0;
+ }
+ }
+
c = *path++;
- if ((c == '.' && !verify_dotfile(path)) ||
+ if ((c == '.' && !verify_dotfile(path, mode)) ||
is_dir_sep(c) || c == '\0')
return 0;
}
if (!ok_to_add)
return -1;
- if (!verify_path(ce->name))
+ if (!verify_path(ce->name, ce->ce_mode))
return error("Invalid path '%s'", ce->name);
if (!skip_df_check &&
int ignore_valid = options & CE_MATCH_IGNORE_VALID;
int ignore_skip_worktree = options & CE_MATCH_IGNORE_SKIP_WORKTREE;
int ignore_missing = options & CE_MATCH_IGNORE_MISSING;
+ int ignore_fsmonitor = options & CE_MATCH_IGNORE_FSMONITOR;
if (!refresh || ce_uptodate(ce))
return ce;
+ if (!ignore_fsmonitor)
+ refresh_fsmonitor(istate);
/*
* CE_VALID or CE_SKIP_WORKTREE means the user promised us
* that the change to the work tree does not matter and told
ce_mark_uptodate(ce);
return ce;
}
+ if (!ignore_fsmonitor && (ce->ce_flags & CE_FSMONITOR_VALID)) {
+ ce_mark_uptodate(ce);
+ return ce;
+ }
if (has_symlink_leading_path(ce->name, ce_namelen(ce))) {
if (ignore_missing)
* because CE_UPTODATE flag is in-core only;
* we are not going to write this change out.
*/
- if (!S_ISGITLINK(ce->ce_mode))
+ if (!S_ISGITLINK(ce->ce_mode)) {
ce_mark_uptodate(ce);
+ mark_fsmonitor_valid(ce);
+ }
return ce;
}
}
*/
ce->ce_flags &= ~CE_VALID;
ce->ce_flags |= CE_UPDATE_IN_BASE;
+ mark_fsmonitor_invalid(istate, ce);
istate->cache_changed |= CE_ENTRY_CHANGED;
}
if (quiet)
/* Allow fsck to force verification of the index checksum. */
int verify_index_checksum;
+/* Allow fsck to force verification of the cache entry order. */
+int verify_ce_order;
+
static int verify_hdr(struct cache_header *hdr, unsigned long size)
{
git_SHA_CTX c;
case CACHE_EXT_UNTRACKED:
istate->untracked = read_untracked_extension(data, sz);
break;
+ case CACHE_EXT_FSMONITOR:
+ read_fsmonitor_extension(istate, data, sz);
+ break;
default:
if (*ext < 'A' || 'Z' < *ext)
return error("index uses %.4s extension, which we do not understand",
int read_index(struct index_state *istate)
{
- return read_index_from(istate, get_index_file());
+ return read_index_from(istate, get_index_file(), get_git_dir());
}
static struct cache_entry *cache_entry_from_ondisk(struct ondisk_cache_entry *ondisk,
{
unsigned int i;
+ if (!verify_ce_order)
+ return;
+
for (i = 1; i < istate->cache_nr; i++) {
struct cache_entry *ce = istate->cache[i - 1];
struct cache_entry *next_ce = istate->cache[i];
check_ce_order(istate);
tweak_untracked_cache(istate);
tweak_split_index(istate);
+ tweak_fsmonitor(istate);
}
/* remember to discard_cache() before reading a different cache! */
* This way, shared index can be removed if they have not been used
* for some time.
*/
-static void freshen_shared_index(char *base_sha1_hex, int warn)
+static void freshen_shared_index(const char *shared_index, int warn)
{
- char *shared_index = git_pathdup("sharedindex.%s", base_sha1_hex);
if (!check_and_freshen_file(shared_index, 1) && warn)
warning("could not freshen shared index '%s'", shared_index);
- free(shared_index);
}
-int read_index_from(struct index_state *istate, const char *path)
+int read_index_from(struct index_state *istate, const char *path,
+ const char *gitdir)
{
struct split_index *split_index;
int ret;
char *base_sha1_hex;
- const char *base_path;
+ char *base_path;
/* istate->initialized covers both .git/index and .git/sharedindex.xxx */
if (istate->initialized)
split_index->base = xcalloc(1, sizeof(*split_index->base));
base_sha1_hex = sha1_to_hex(split_index->base_sha1);
- base_path = git_path("sharedindex.%s", base_sha1_hex);
+ base_path = xstrfmt("%s/sharedindex.%s", gitdir, base_sha1_hex);
ret = do_read_index(split_index->base, base_path, 1);
if (hashcmp(split_index->base_sha1, split_index->base->sha1))
die("broken index, expect %s in %s, got %s",
base_sha1_hex, base_path,
sha1_to_hex(split_index->base->sha1));
- freshen_shared_index(base_sha1_hex, 0);
+ freshen_shared_index(base_path, 0);
merge_base_index(istate);
post_read_index_from(istate);
+ free(base_path);
return ret;
}
return 0;
}
-/*
- * Opportunistically update the index but do not complain if we can't
- */
void update_index_if_able(struct index_state *istate, struct lock_file *lockfile)
{
if ((istate->cache_changed || has_racy_timestamp(istate)) &&
- verify_index(istate) &&
- write_locked_index(istate, lockfile, COMMIT_LOCK))
+ verify_index(istate))
+ write_locked_index(istate, lockfile, COMMIT_LOCK);
+ else
rollback_lock_file(lockfile);
}
+/*
+ * On success, `tempfile` is closed. If it is the temporary file
+ * of a `struct lock_file`, we will therefore effectively perform
+ * a 'close_lock_file_gently()`. Since that is an implementation
+ * detail of lockfiles, callers of `do_write_index()` should not
+ * rely on it.
+ */
static int do_write_index(struct index_state *istate, struct tempfile *tempfile,
int strip_extensions)
{
struct stat st;
struct ondisk_cache_entry_extended ondisk;
struct strbuf previous_name_buf = STRBUF_INIT, *previous_name;
- int drop_cache_tree = 0;
+ int drop_cache_tree = istate->drop_cache_tree;
for (i = removed = extended = 0; i < entries; i++) {
if (cache[i]->ce_flags & CE_REMOVE)
if (err)
return -1;
}
+ if (!strip_extensions && istate->fsmonitor_last_update) {
+ struct strbuf sb = STRBUF_INIT;
+
+ write_fsmonitor_extension(&sb, istate);
+ err = write_index_ext_header(&c, newfd, CACHE_EXT_FSMONITOR, sb.len) < 0
+ || ce_write(&c, newfd, sb.buf, sb.len) < 0;
+ strbuf_release(&sb);
+ if (err)
+ return -1;
+ }
if (ce_flush(&c, newfd, istate->sha1))
return -1;
if (close_tempfile_gently(tempfile)) {
error(_("could not close '%s'"), tempfile->filename.buf);
- delete_tempfile(&tempfile);
return -1;
}
if (stat(tempfile->filename.buf, &st))
int ret = do_write_index(istate, lock->tempfile, 0);
if (ret)
return ret;
- assert((flags & (COMMIT_LOCK | CLOSE_LOCK)) !=
- (COMMIT_LOCK | CLOSE_LOCK));
if (flags & COMMIT_LOCK)
return commit_locked_index(lock);
- else if (flags & CLOSE_LOCK)
- return close_lock_file_gently(lock);
- else
- return ret;
+ return close_lock_file_gently(lock);
}
static int write_split_index(struct index_state *istate,
}
static int write_shared_index(struct index_state *istate,
- struct lock_file *lock, unsigned flags)
+ struct tempfile **temp)
{
- struct tempfile *temp;
struct split_index *si = istate->split_index;
int ret;
- temp = mks_tempfile(git_path("sharedindex_XXXXXX"));
- if (!temp) {
- hashclr(si->base_sha1);
- return do_write_locked_index(istate, lock, flags);
- }
move_cache_to_base_index(istate);
- ret = do_write_index(si->base, temp, 1);
- if (ret) {
- delete_tempfile(&temp);
+ ret = do_write_index(si->base, *temp, 1);
+ if (ret)
return ret;
- }
- ret = adjust_shared_perm(get_tempfile_path(temp));
+ ret = adjust_shared_perm(get_tempfile_path(*temp));
if (ret) {
- int save_errno = errno;
- error("cannot fix permission bits on %s", get_tempfile_path(temp));
- delete_tempfile(&temp);
- errno = save_errno;
+ error("cannot fix permission bits on %s", get_tempfile_path(*temp));
return ret;
}
- ret = rename_tempfile(&temp,
+ ret = rename_tempfile(temp,
git_path("sharedindex.%s", sha1_to_hex(si->base->sha1)));
if (!ret) {
hashcpy(si->base_sha1, si->base->sha1);
int new_shared_index, ret;
struct split_index *si = istate->split_index;
+ if (istate->fsmonitor_last_update)
+ fill_fsmonitor_bitmap(istate);
+
if (!si || alternate_index_output ||
(istate->cache_changed & ~EXTMASK)) {
if (si)
hashclr(si->base_sha1);
- return do_write_locked_index(istate, lock, flags);
+ ret = do_write_locked_index(istate, lock, flags);
+ goto out;
}
if (getenv("GIT_TEST_SPLIT_INDEX")) {
new_shared_index = istate->cache_changed & SPLIT_INDEX_ORDERED;
if (new_shared_index) {
- ret = write_shared_index(istate, lock, flags);
+ struct tempfile *temp;
+ int saved_errno;
+
+ temp = mks_tempfile(git_path("sharedindex_XXXXXX"));
+ if (!temp) {
+ hashclr(si->base_sha1);
+ ret = do_write_locked_index(istate, lock, flags);
+ goto out;
+ }
+ ret = write_shared_index(istate, &temp);
+
+ saved_errno = errno;
+ if (is_tempfile_active(temp))
+ delete_tempfile(&temp);
+ errno = saved_errno;
+
if (ret)
- return ret;
+ goto out;
}
ret = write_split_index(istate, lock, flags);
/* Freshen the shared index only if the split-index was written */
- if (!ret && !new_shared_index)
- freshen_shared_index(sha1_to_hex(si->base_sha1), 1);
+ if (!ret && !new_shared_index) {
+ const char *shared_index = git_path("sharedindex.%s",
+ sha1_to_hex(si->base_sha1));
+ freshen_shared_index(shared_index, 1);
+ }
+out:
+ if (flags & COMMIT_LOCK)
+ rollback_lock_file(lock);
return ret;
}
/*
* submodule cache lookup structure
* There is one shared set of 'struct submodule' entries which can be
- * looked up by their sha1 blob id of the .gitmodule file and either
+ * looked up by their sha1 blob id of the .gitmodules file and either
* using path or name as key.
* for_path stores submodule entries with path as key
* for_name stores submodule entries with name as key
/*
* We iterate over the name hash here to be symmetric with the
* allocation of struct submodule entries. Each is allocated by
- * their .gitmodule blob sha1 and submodule name.
+ * their .gitmodules blob sha1 and submodule name.
*/
hashmap_iter_init(&cache->for_name, &iter);
while ((entry = hashmap_iter_next(&iter)))
return NULL;
}
+ int check_submodule_name(const char *name)
+ {
+ /* Disallow empty names */
+ if (!*name)
+ return -1;
+
+ /*
+ * Look for '..' as a path component. Check both '/' and '\\' as
+ * separators rather than is_dir_sep(), because we want the name rules
+ * to be consistent across platforms.
+ */
+ goto in_component; /* always start inside component */
+ while (*name) {
+ char c = *name++;
+ if (c == '/' || c == '\\') {
+ in_component:
+ if (name[0] == '.' && name[1] == '.' &&
+ (!name[2] || name[2] == '/' || name[2] == '\\'))
+ return -1;
+ }
+ }
+
+ return 0;
+ }
+
static int name_and_item_from_var(const char *var, struct strbuf *name,
struct strbuf *item)
{
return 0;
strbuf_add(name, subsection, subsection_len);
+ if (check_submodule_name(name->buf) < 0) {
+ warning(_("ignoring suspicious submodule name: %s"), name->buf);
+ strbuf_release(name);
+ return 0;
+ }
+
strbuf_addstr(item, key);
return 1;
int recommend_shallow;
};
+#define SUBMODULE_INIT { NULL, NULL, NULL, RECURSE_SUBMODULES_NONE, \
+ NULL, NULL, SUBMODULE_UPDATE_STRATEGY_INIT, {0}, -1 };
+
struct submodule_cache;
struct repository;
const char *key);
extern void submodule_free(void);
+ /*
+ * Returns 0 if the name is syntactically acceptable as a submodule "name"
+ * (e.g., that may be found in the subsection of a .gitmodules file) and -1
+ * otherwise.
+ */
+ int check_submodule_name(const char *name);
+
#endif /* SUBMODULE_CONFIG_H */