#include "cache.h"
+#include "repository.h"
+#include "config.h"
#include "submodule-config.h"
#include "submodule.h"
#include "dir.h"
#include "quote.h"
#include "remote.h"
#include "worktree.h"
+#include "parse-options.h"
static int config_fetch_recurse_submodules = RECURSE_SUBMODULES_ON_DEMAND;
-static int config_update_recurse_submodules = RECURSE_SUBMODULES_DEFAULT;
+static int config_update_recurse_submodules = RECURSE_SUBMODULES_OFF;
static int parallel_jobs = 1;
-static struct string_list changed_submodule_paths = STRING_LIST_INIT_NODUP;
+static struct string_list changed_submodule_paths = STRING_LIST_INIT_DUP;
static int initialized_fetch_ref_tips;
static struct oid_array ref_tips_before_fetch;
static struct oid_array ref_tips_after_fetch;
}
}
-int submodule_config(const char *var, const char *value, void *cb)
+/* For loading from the .gitmodules file. */
+static int git_modules_config(const char *var, const char *value, void *cb)
{
if (!strcmp(var, "submodule.fetchjobs")) {
parallel_jobs = git_config_int(var, value);
return 0;
}
+/* Loads all submodule settings from the config. */
+int submodule_config(const char *var, const char *value, void *cb)
+{
+ if (!strcmp(var, "submodule.recurse")) {
+ int v = git_config_bool(var, value) ?
+ RECURSE_SUBMODULES_ON : RECURSE_SUBMODULES_OFF;
+ config_update_recurse_submodules = v;
+ return 0;
+ } else {
+ return git_modules_config(var, value, cb);
+ }
+}
+
+/* Cheap function that only determines if we're interested in submodules at all */
+int git_default_submodule_config(const char *var, const char *value, void *cb)
+{
+ if (!strcmp(var, "submodule.recurse")) {
+ int v = git_config_bool(var, value) ?
+ RECURSE_SUBMODULES_ON : RECURSE_SUBMODULES_OFF;
+ config_update_recurse_submodules = v;
+ }
+ return 0;
+}
+
+int option_parse_recurse_submodules_worktree_updater(const struct option *opt,
+ const char *arg, int unset)
+{
+ if (unset) {
+ config_update_recurse_submodules = RECURSE_SUBMODULES_OFF;
+ return 0;
+ }
+ if (arg)
+ config_update_recurse_submodules =
+ parse_update_recurse_submodules_arg(opt->long_name,
+ arg);
+ else
+ config_update_recurse_submodules = RECURSE_SUBMODULES_ON;
+
+ return 0;
+}
+
+void load_submodule_cache(void)
+{
+ if (config_update_recurse_submodules == RECURSE_SUBMODULES_OFF)
+ return;
+
+ gitmodules_config();
+ git_config(submodule_config, NULL);
+}
+
void gitmodules_config(void)
{
const char *work_tree = get_git_work_tree();
}
if (!gitmodules_is_unmerged)
- git_config_from_file(submodule_config, gitmodules_path.buf, NULL);
+ git_config_from_file(git_modules_config,
+ gitmodules_path.buf, NULL);
strbuf_release(&gitmodules_path);
}
}
+static int gitmodules_cb(const char *var, const char *value, void *data)
+{
+ struct repository *repo = data;
+ return submodule_config_option(repo, var, value);
+}
+
+void repo_read_gitmodules(struct repository *repo)
+{
+ char *gitmodules_path = repo_worktree_path(repo, ".gitmodules");
+
+ git_config_from_file(gitmodules_cb, gitmodules_path, repo);
+ free(gitmodules_path);
+}
+
void gitmodules_config_sha1(const unsigned char *commit_sha1)
{
struct strbuf rev = STRBUF_INIT;
unsigned char sha1[20];
if (gitmodule_sha1_from_commit(commit_sha1, sha1, &rev)) {
- git_config_from_blob_sha1(submodule_config, rev.buf,
+ git_config_from_blob_sha1(git_modules_config, rev.buf,
sha1, NULL);
}
strbuf_release(&rev);
}
/*
- * NEEDSWORK: With the addition of different configuration options to determine
- * if a submodule is of interests, the validity of this function's name comes
- * into question. Once the dust has settled and more concrete terminology is
- * decided upon, come up with a more proper name for this function. One
- * potential candidate could be 'is_submodule_active()'.
- *
* Determine if a submodule has been initialized at a given 'path'
*/
-int is_submodule_initialized(const char *path)
+int is_submodule_active(struct repository *repo, const char *path)
{
int ret = 0;
char *key = NULL;
char *value = NULL;
const struct string_list *sl;
- const struct submodule *module = submodule_from_path(null_sha1, path);
+ const struct submodule *module;
+
+ module = submodule_from_cache(repo, null_sha1, path);
/* early return if there isn't a path->module mapping */
if (!module)
/* submodule.<name>.active is set */
key = xstrfmt("submodule.%s.active", module->name);
- if (!git_config_get_bool(key, &ret)) {
+ if (!repo_config_get_bool(repo, key, &ret)) {
free(key);
return ret;
}
free(key);
/* submodule.active is set */
- sl = git_config_get_value_multi("submodule.active");
+ sl = repo_config_get_value_multi(repo, "submodule.active");
if (sl) {
struct pathspec ps;
struct argv_array args = ARGV_ARRAY_INIT;
/* fallback to checking if the URL is set */
key = xstrfmt("submodule.%s.url", module->name);
- ret = !git_config_get_string(key, &value);
+ ret = !repo_config_get_string(repo, key, &value);
free(value);
free(key);
return ret;
}
+/*
+ * Dies if the provided 'prefix' corresponds to an unpopulated submodule
+ */
+void die_in_unpopulated_submodule(const struct index_state *istate,
+ const char *prefix)
+{
+ int i, prefixlen;
+
+ if (!prefix)
+ return;
+
+ prefixlen = strlen(prefix);
+
+ for (i = 0; i < istate->cache_nr; i++) {
+ struct cache_entry *ce = istate->cache[i];
+ int ce_len = ce_namelen(ce);
+
+ if (!S_ISGITLINK(ce->ce_mode))
+ continue;
+ if (prefixlen <= ce_len)
+ continue;
+ if (strncmp(ce->name, prefix, ce_len))
+ continue;
+ if (prefix[ce_len] != '/')
+ continue;
+
+ die(_("in unpopulated submodule '%s'"), ce->name);
+ }
+}
+
+/*
+ * Dies if any paths in the provided pathspec descends into a submodule
+ */
+void die_path_inside_submodule(const struct index_state *istate,
+ const struct pathspec *ps)
+{
+ int i, j;
+
+ for (i = 0; i < istate->cache_nr; i++) {
+ struct cache_entry *ce = istate->cache[i];
+ int ce_len = ce_namelen(ce);
+
+ if (!S_ISGITLINK(ce->ce_mode))
+ continue;
+
+ for (j = 0; j < ps->nr ; j++) {
+ const struct pathspec_item *item = &ps->items[j];
+
+ if (item->len <= ce_len)
+ continue;
+ if (item->match[ce_len] != '/')
+ continue;
+ if (strncmp(ce->name, item->match, ce_len))
+ continue;
+ if (item->len == ce_len + 1)
+ continue;
+
+ die(_("Pathspec '%s' is in submodule '%.*s'"),
+ item->original, ce_len, ce->name);
+ }
+ }
+}
+
int parse_submodule_update_strategy(const char *value,
struct submodule_update_strategy *dst)
{
* Attempt to lookup the commit references, and determine if this is
* a fast forward or fast backwards update.
*/
- *left = lookup_commit_reference(one->hash);
- *right = lookup_commit_reference(two->hash);
+ *left = lookup_commit_reference(one);
+ *right = lookup_commit_reference(two);
/*
* Warn about missing commits in the submodule project, but only if
cp.no_stdin = 1;
/* TODO: other options may need to be passed here. */
- argv_array_push(&cp.args, "diff");
+ argv_array_pushl(&cp.args, "diff", "--submodule=diff", NULL);
+
argv_array_pushf(&cp.args, "--line-prefix=%s", line_prefix);
if (DIFF_OPT_TST(o, REVERSE_DIFF)) {
argv_array_pushf(&cp.args, "--src-prefix=%s%s/",
config_fetch_recurse_submodules = value;
}
-void set_config_update_recurse_submodules(int value)
-{
- config_update_recurse_submodules = value;
-}
-
int should_update_submodules(void)
{
return config_update_recurse_submodules == RECURSE_SUBMODULES_ON;
return submodule_from_path(null_sha1, ce->name);
}
+static struct oid_array *submodule_commits(struct string_list *submodules,
+ const char *path)
+{
+ struct string_list_item *item;
+
+ item = string_list_insert(submodules, path);
+ if (item->util)
+ return (struct oid_array *) item->util;
+
+ /* NEEDSWORK: should we have oid_array_init()? */
+ item->util = xcalloc(1, sizeof(struct oid_array));
+ return (struct oid_array *) item->util;
+}
+
+static void collect_changed_submodules_cb(struct diff_queue_struct *q,
+ struct diff_options *options,
+ void *data)
+{
+ int i;
+ struct string_list *changed = data;
+
+ for (i = 0; i < q->nr; i++) {
+ struct diff_filepair *p = q->queue[i];
+ struct oid_array *commits;
+ if (!S_ISGITLINK(p->two->mode))
+ continue;
+
+ if (S_ISGITLINK(p->one->mode)) {
+ /*
+ * NEEDSWORK: We should honor the name configured in
+ * the .gitmodules file of the commit we are examining
+ * here to be able to correctly follow submodules
+ * being moved around.
+ */
+ commits = submodule_commits(changed, p->two->path);
+ oid_array_append(commits, &p->two->oid);
+ } else {
+ /* Submodule is new or was moved here */
+ /*
+ * NEEDSWORK: When the .git directories of submodules
+ * live inside the superprojects .git directory some
+ * day we should fetch new submodules directly into
+ * that location too when config or options request
+ * that so they can be checked out from there.
+ */
+ continue;
+ }
+ }
+}
+
+/*
+ * Collect the paths of submodules in 'changed' which have changed based on
+ * the revisions as specified in 'argv'. Each entry in 'changed' will also
+ * have a corresponding 'struct oid_array' (in the 'util' field) which lists
+ * what the submodule pointers were updated to during the change.
+ */
+static void collect_changed_submodules(struct string_list *changed,
+ struct argv_array *argv)
+{
+ struct rev_info rev;
+ const struct commit *commit;
+
+ init_revisions(&rev, NULL);
+ setup_revisions(argv->argc, argv->argv, &rev, NULL);
+ if (prepare_revision_walk(&rev))
+ die("revision walk setup failed");
+
+ while ((commit = get_revision(&rev))) {
+ struct rev_info diff_rev;
+
+ init_revisions(&diff_rev, NULL);
+ diff_rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
+ diff_rev.diffopt.format_callback = collect_changed_submodules_cb;
+ diff_rev.diffopt.format_callback_data = changed;
+ diff_tree_combined_merge(commit, 1, &diff_rev);
+ }
+
+ reset_revision_walk();
+}
+
+static void free_submodules_oids(struct string_list *submodules)
+{
+ struct string_list_item *item;
+ for_each_string_list_item(item, submodules)
+ oid_array_clear((struct oid_array *) item->util);
+ string_list_clear(submodules, 1);
+}
+
static int has_remote(const char *refname, const struct object_id *oid,
int flags, void *cb_data)
{
{
int *has_commit = data;
- if (!lookup_commit_reference(oid->hash))
+ if (!lookup_commit_reference(oid))
*has_commit = 0;
return 0;
{
int has_commit = 1;
+ /*
+ * Perform a cheap, but incorrect check for the existence of 'commits'.
+ * This is done by adding the submodule's object store to the in-core
+ * object store, and then querying for each commit's existence. If we
+ * do not have the commit object anywhere, there is no chance we have
+ * it in the object store of the correct submodule and have it
+ * reachable from a ref, so we can fail early without spawning rev-list
+ * which is expensive.
+ */
if (add_submodule_odb(path))
return 0;
oid_array_for_each_unique(commits, check_has_commit, &has_commit);
+
+ if (has_commit) {
+ /*
+ * Even if the submodule is checked out and the commit is
+ * present, make sure it exists in the submodule's object store
+ * and that it is reachable from a ref.
+ */
+ struct child_process cp = CHILD_PROCESS_INIT;
+ struct strbuf out = STRBUF_INIT;
+
+ argv_array_pushl(&cp.args, "rev-list", "-n", "1", NULL);
+ oid_array_for_each_unique(commits, append_oid_to_argv, &cp.args);
+ argv_array_pushl(&cp.args, "--not", "--all", NULL);
+
+ prepare_submodule_repo_env(&cp.env_array);
+ cp.git_cmd = 1;
+ cp.no_stdin = 1;
+ cp.dir = path;
+
+ if (capture_command(&cp, &out, GIT_MAX_HEXSZ + 1) || out.len)
+ has_commit = 0;
+
+ strbuf_release(&out);
+ }
+
return has_commit;
}
return 0;
}
-static struct oid_array *submodule_commits(struct string_list *submodules,
- const char *path)
-{
- struct string_list_item *item;
-
- item = string_list_insert(submodules, path);
- if (item->util)
- return (struct oid_array *) item->util;
-
- /* NEEDSWORK: should we have oid_array_init()? */
- item->util = xcalloc(1, sizeof(struct oid_array));
- return (struct oid_array *) item->util;
-}
-
-static void collect_submodules_from_diff(struct diff_queue_struct *q,
- struct diff_options *options,
- void *data)
-{
- int i;
- struct string_list *submodules = data;
-
- for (i = 0; i < q->nr; i++) {
- struct diff_filepair *p = q->queue[i];
- struct oid_array *commits;
- if (!S_ISGITLINK(p->two->mode))
- continue;
- commits = submodule_commits(submodules, p->two->path);
- oid_array_append(commits, &p->two->oid);
- }
-}
-
-static void find_unpushed_submodule_commits(struct commit *commit,
- struct string_list *needs_pushing)
-{
- struct rev_info rev;
-
- init_revisions(&rev, NULL);
- rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
- rev.diffopt.format_callback = collect_submodules_from_diff;
- rev.diffopt.format_callback_data = needs_pushing;
- diff_tree_combined_merge(commit, 1, &rev);
-}
-
-static void free_submodules_sha1s(struct string_list *submodules)
-{
- struct string_list_item *item;
- for_each_string_list_item(item, submodules)
- oid_array_clear((struct oid_array *) item->util);
- string_list_clear(submodules, 1);
-}
-
int find_unpushed_submodules(struct oid_array *commits,
const char *remotes_name, struct string_list *needs_pushing)
{
- struct rev_info rev;
- struct commit *commit;
struct string_list submodules = STRING_LIST_INIT_DUP;
struct string_list_item *submodule;
struct argv_array argv = ARGV_ARRAY_INIT;
- init_revisions(&rev, NULL);
-
/* argv.argv[0] will be ignored by setup_revisions */
argv_array_push(&argv, "find_unpushed_submodules");
oid_array_for_each_unique(commits, append_oid_to_argv, &argv);
argv_array_push(&argv, "--not");
argv_array_pushf(&argv, "--remotes=%s", remotes_name);
- setup_revisions(argv.argc, argv.argv, &rev, NULL);
- if (prepare_revision_walk(&rev))
- die("revision walk setup failed");
-
- while ((commit = get_revision(&rev)) != NULL)
- find_unpushed_submodule_commits(commit, &submodules);
-
- reset_revision_walk();
- argv_array_clear(&argv);
+ collect_changed_submodules(&submodules, &argv);
for_each_string_list_item(submodule, &submodules) {
- struct oid_array *commits = (struct oid_array *) submodule->util;
+ struct oid_array *commits = submodule->util;
+ const char *path = submodule->string;
- if (submodule_needs_pushing(submodule->string, commits))
- string_list_insert(needs_pushing, submodule->string);
+ if (submodule_needs_pushing(path, commits))
+ string_list_insert(needs_pushing, path);
}
- free_submodules_sha1s(&submodules);
+
+ free_submodules_oids(&submodules);
+ argv_array_clear(&argv);
return needs_pushing->nr;
}
return ret;
}
-static int is_submodule_commit_present(const char *path, unsigned char sha1[20])
+static int append_oid_to_array(const char *ref, const struct object_id *oid,
+ int flags, void *data)
{
- int is_present = 0;
- if (!add_submodule_odb(path) && lookup_commit_reference(sha1)) {
- /* Even if the submodule is checked out and the commit is
- * present, make sure it is reachable from a ref. */
- struct child_process cp = CHILD_PROCESS_INIT;
- const char *argv[] = {"rev-list", "-n", "1", NULL, "--not", "--all", NULL};
- struct strbuf buf = STRBUF_INIT;
-
- argv[3] = sha1_to_hex(sha1);
- cp.argv = argv;
- prepare_submodule_repo_env(&cp.env_array);
- cp.git_cmd = 1;
- cp.no_stdin = 1;
- cp.dir = path;
- if (!capture_command(&cp, &buf, 1024) && !buf.len)
- is_present = 1;
-
- strbuf_release(&buf);
- }
- return is_present;
-}
-
-static void submodule_collect_changed_cb(struct diff_queue_struct *q,
- struct diff_options *options,
- void *data)
-{
- int i;
- for (i = 0; i < q->nr; i++) {
- struct diff_filepair *p = q->queue[i];
- if (!S_ISGITLINK(p->two->mode))
- continue;
-
- if (S_ISGITLINK(p->one->mode)) {
- /* NEEDSWORK: We should honor the name configured in
- * the .gitmodules file of the commit we are examining
- * here to be able to correctly follow submodules
- * being moved around. */
- struct string_list_item *path;
- path = unsorted_string_list_lookup(&changed_submodule_paths, p->two->path);
- if (!path && !is_submodule_commit_present(p->two->path, p->two->oid.hash))
- string_list_append(&changed_submodule_paths, xstrdup(p->two->path));
- } else {
- /* Submodule is new or was moved here */
- /* NEEDSWORK: When the .git directories of submodules
- * live inside the superprojects .git directory some
- * day we should fetch new submodules directly into
- * that location too when config or options request
- * that so they can be checked out from there. */
- continue;
- }
- }
-}
-
-static int add_sha1_to_array(const char *ref, const struct object_id *oid,
- int flags, void *data)
-{
- oid_array_append(data, oid);
+ struct oid_array *array = data;
+ oid_array_append(array, oid);
return 0;
}
void check_for_new_submodule_commits(struct object_id *oid)
{
if (!initialized_fetch_ref_tips) {
- for_each_ref(add_sha1_to_array, &ref_tips_before_fetch);
+ for_each_ref(append_oid_to_array, &ref_tips_before_fetch);
initialized_fetch_ref_tips = 1;
}
oid_array_append(&ref_tips_after_fetch, oid);
}
-static int add_oid_to_argv(const struct object_id *oid, void *data)
-{
- argv_array_push(data, oid_to_hex(oid));
- return 0;
-}
-
static void calculate_changed_submodule_paths(void)
{
- struct rev_info rev;
- struct commit *commit;
struct argv_array argv = ARGV_ARRAY_INIT;
+ struct string_list changed_submodules = STRING_LIST_INIT_DUP;
+ const struct string_list_item *item;
/* No need to check if there are no submodules configured */
if (!submodule_from_path(NULL, NULL))
return;
- init_revisions(&rev, NULL);
argv_array_push(&argv, "--"); /* argv[0] program name */
oid_array_for_each_unique(&ref_tips_after_fetch,
- add_oid_to_argv, &argv);
+ append_oid_to_argv, &argv);
argv_array_push(&argv, "--not");
oid_array_for_each_unique(&ref_tips_before_fetch,
- add_oid_to_argv, &argv);
- setup_revisions(argv.argc, argv.argv, &rev, NULL);
- if (prepare_revision_walk(&rev))
- die("revision walk setup failed");
+ append_oid_to_argv, &argv);
/*
* Collect all submodules (whether checked out or not) for which new
* commits have been recorded upstream in "changed_submodule_paths".
*/
- while ((commit = get_revision(&rev))) {
- struct commit_list *parent = commit->parents;
- while (parent) {
- struct diff_options diff_opts;
- diff_setup(&diff_opts);
- DIFF_OPT_SET(&diff_opts, RECURSIVE);
- diff_opts.output_format |= DIFF_FORMAT_CALLBACK;
- diff_opts.format_callback = submodule_collect_changed_cb;
- diff_setup_done(&diff_opts);
- diff_tree_sha1(parent->item->object.oid.hash, commit->object.oid.hash, "", &diff_opts);
- diffcore_std(&diff_opts);
- diff_flush(&diff_opts);
- parent = parent->next;
- }
+ collect_changed_submodules(&changed_submodules, &argv);
+
+ for_each_string_list_item(item, &changed_submodules) {
+ struct oid_array *commits = item->util;
+ const char *path = item->string;
+
+ if (!submodule_has_commits(path, commits))
+ string_list_append(&changed_submodule_paths, path);
}
+ free_submodules_oids(&changed_submodules);
argv_array_clear(&argv);
oid_array_clear(&ref_tips_before_fetch);
oid_array_clear(&ref_tips_after_fetch);
int ret = 0;
struct child_process cp = CHILD_PROCESS_INIT;
const struct submodule *sub;
+ int *error_code_ptr, error_code;
+
+ if (!is_submodule_active(the_repository, path))
+ return 0;
+
+ if (flags & SUBMODULE_MOVE_HEAD_FORCE)
+ /*
+ * Pass non NULL pointer to is_submodule_populated_gently
+ * to prevent die()-ing. We'll use connect_work_tree_and_git_dir
+ * to fixup the submodule in the force case later.
+ */
+ error_code_ptr = &error_code;
+ else
+ error_code_ptr = NULL;
+
+ if (old && !is_submodule_populated_gently(path, error_code_ptr))
+ return 0;
sub = submodule_from_path(null_sha1, path);
absorb_git_dir_into_superproject("", path,
ABSORB_GITDIR_RECURSE_SUBMODULES);
} else {
- struct strbuf sb = STRBUF_INIT;
- strbuf_addf(&sb, "%s/modules/%s",
+ char *gitdir = xstrfmt("%s/modules/%s",
get_git_common_dir(), sub->name);
- connect_work_tree_and_git_dir(path, sb.buf);
- strbuf_release(&sb);
+ connect_work_tree_and_git_dir(path, gitdir);
+ free(gitdir);
/* make sure the index is clean as well */
submodule_reset_index(path);
}
+
+ if (old && (flags & SUBMODULE_MOVE_HEAD_FORCE)) {
+ char *gitdir = xstrfmt("%s/modules/%s",
+ get_git_common_dir(), sub->name);
+ connect_work_tree_and_git_dir(path, gitdir);
+ free(gitdir);
+ }
}
prepare_submodule_repo_env(&cp.env_array);
#define MERGE_WARNING(path, msg) \
warning("Failed to merge submodule %s (%s)", path, msg);
-int merge_submodule(unsigned char result[20], const char *path,
- const unsigned char base[20], const unsigned char a[20],
- const unsigned char b[20], int search)
+int merge_submodule(struct object_id *result, const char *path,
+ const struct object_id *base, const struct object_id *a,
+ const struct object_id *b, int search)
{
struct commit *commit_base, *commit_a, *commit_b;
int parent_count;
int i;
/* store a in result in case we fail */
- hashcpy(result, a);
+ oidcpy(result, a);
/* we can not handle deletion conflicts */
- if (is_null_sha1(base))
+ if (is_null_oid(base))
return 0;
- if (is_null_sha1(a))
+ if (is_null_oid(a))
return 0;
- if (is_null_sha1(b))
+ if (is_null_oid(b))
return 0;
if (add_submodule_odb(path)) {
/* Case #1: a is contained in b or vice versa */
if (in_merge_bases(commit_a, commit_b)) {
- hashcpy(result, b);
+ oidcpy(result, b);
return 1;
}
if (in_merge_bases(commit_b, commit_a)) {
- hashcpy(result, a);
+ oidcpy(result, a);
return 1;
}