зеркало из https://github.com/microsoft/git.git
Merge branch 'ar/submodule-run-update-procedure'
Reimplementation of parts of "git submodule" in C continues. * ar/submodule-run-update-procedure: submodule--helper: run update procedures from C
This commit is contained in:
Junio C Hamano
Коммит
e78db9d303
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@ -2009,6 +2009,20 @@ struct submodule_update_clone {
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.max_jobs = 1, \
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}
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struct update_data {
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const char *recursive_prefix;
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const char *sm_path;
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const char *displaypath;
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struct object_id oid;
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struct object_id suboid;
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struct submodule_update_strategy update_strategy;
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int depth;
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unsigned int force: 1;
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unsigned int quiet: 1;
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unsigned int nofetch: 1;
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unsigned int just_cloned: 1;
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};
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#define UPDATE_DATA_INIT { .update_strategy = SUBMODULE_UPDATE_STRATEGY_INIT }
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static void next_submodule_warn_missing(struct submodule_update_clone *suc,
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struct strbuf *out, const char *displaypath)
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@ -2262,6 +2276,181 @@ static int git_update_clone_config(const char *var, const char *value,
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return 0;
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}
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static int is_tip_reachable(const char *path, struct object_id *oid)
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{
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struct child_process cp = CHILD_PROCESS_INIT;
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struct strbuf rev = STRBUF_INIT;
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char *hex = oid_to_hex(oid);
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cp.git_cmd = 1;
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cp.dir = xstrdup(path);
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cp.no_stderr = 1;
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strvec_pushl(&cp.args, "rev-list", "-n", "1", hex, "--not", "--all", NULL);
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prepare_submodule_repo_env(&cp.env_array);
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if (capture_command(&cp, &rev, GIT_MAX_HEXSZ + 1) || rev.len)
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return 0;
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return 1;
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}
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static int fetch_in_submodule(const char *module_path, int depth, int quiet, struct object_id *oid)
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{
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struct child_process cp = CHILD_PROCESS_INIT;
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prepare_submodule_repo_env(&cp.env_array);
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cp.git_cmd = 1;
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cp.dir = xstrdup(module_path);
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strvec_push(&cp.args, "fetch");
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if (quiet)
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strvec_push(&cp.args, "--quiet");
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if (depth)
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strvec_pushf(&cp.args, "--depth=%d", depth);
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if (oid) {
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char *hex = oid_to_hex(oid);
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char *remote = get_default_remote();
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strvec_pushl(&cp.args, remote, hex, NULL);
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}
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return run_command(&cp);
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}
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static int run_update_command(struct update_data *ud, int subforce)
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{
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struct strvec args = STRVEC_INIT;
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struct strvec child_env = STRVEC_INIT;
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char *oid = oid_to_hex(&ud->oid);
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int must_die_on_failure = 0;
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int git_cmd;
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switch (ud->update_strategy.type) {
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case SM_UPDATE_CHECKOUT:
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git_cmd = 1;
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strvec_pushl(&args, "checkout", "-q", NULL);
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if (subforce)
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strvec_push(&args, "-f");
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break;
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case SM_UPDATE_REBASE:
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git_cmd = 1;
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strvec_push(&args, "rebase");
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if (ud->quiet)
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strvec_push(&args, "--quiet");
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must_die_on_failure = 1;
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break;
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case SM_UPDATE_MERGE:
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git_cmd = 1;
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strvec_push(&args, "merge");
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if (ud->quiet)
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strvec_push(&args, "--quiet");
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must_die_on_failure = 1;
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break;
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case SM_UPDATE_COMMAND:
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git_cmd = 0;
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strvec_push(&args, ud->update_strategy.command);
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must_die_on_failure = 1;
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break;
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default:
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BUG("unexpected update strategy type: %s",
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submodule_strategy_to_string(&ud->update_strategy));
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}
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strvec_push(&args, oid);
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prepare_submodule_repo_env(&child_env);
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if (run_command_v_opt_cd_env(args.v, git_cmd ? RUN_GIT_CMD : RUN_USING_SHELL,
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ud->sm_path, child_env.v)) {
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switch (ud->update_strategy.type) {
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case SM_UPDATE_CHECKOUT:
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printf(_("Unable to checkout '%s' in submodule path '%s'"),
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oid, ud->displaypath);
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break;
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case SM_UPDATE_REBASE:
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printf(_("Unable to rebase '%s' in submodule path '%s'"),
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oid, ud->displaypath);
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break;
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case SM_UPDATE_MERGE:
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printf(_("Unable to merge '%s' in submodule path '%s'"),
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oid, ud->displaypath);
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break;
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case SM_UPDATE_COMMAND:
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printf(_("Execution of '%s %s' failed in submodule path '%s'"),
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ud->update_strategy.command, oid, ud->displaypath);
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break;
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default:
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BUG("unexpected update strategy type: %s",
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submodule_strategy_to_string(&ud->update_strategy));
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}
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/*
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* NEEDSWORK: We are currently printing to stdout with error
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* return so that the shell caller handles the error output
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* properly. Once we start handling the error messages within
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* C, we should use die() instead.
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*/
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if (must_die_on_failure)
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return 2;
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/*
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* This signifies to the caller in shell that the command
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* failed without dying
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*/
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return 1;
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}
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switch (ud->update_strategy.type) {
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case SM_UPDATE_CHECKOUT:
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printf(_("Submodule path '%s': checked out '%s'\n"),
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ud->displaypath, oid);
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break;
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case SM_UPDATE_REBASE:
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printf(_("Submodule path '%s': rebased into '%s'\n"),
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ud->displaypath, oid);
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break;
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case SM_UPDATE_MERGE:
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printf(_("Submodule path '%s': merged in '%s'\n"),
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ud->displaypath, oid);
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break;
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case SM_UPDATE_COMMAND:
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printf(_("Submodule path '%s': '%s %s'\n"),
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ud->displaypath, ud->update_strategy.command, oid);
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break;
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default:
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BUG("unexpected update strategy type: %s",
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submodule_strategy_to_string(&ud->update_strategy));
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}
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return 0;
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}
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static int do_run_update_procedure(struct update_data *ud)
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{
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int subforce = is_null_oid(&ud->suboid) || ud->force;
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if (!ud->nofetch) {
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/*
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* Run fetch only if `oid` isn't present or it
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* is not reachable from a ref.
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*/
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if (!is_tip_reachable(ud->sm_path, &ud->oid) &&
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fetch_in_submodule(ud->sm_path, ud->depth, ud->quiet, NULL) &&
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!ud->quiet)
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fprintf_ln(stderr,
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_("Unable to fetch in submodule path '%s'; "
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"trying to directly fetch %s:"),
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ud->displaypath, oid_to_hex(&ud->oid));
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/*
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* Now we tried the usual fetch, but `oid` may
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* not be reachable from any of the refs.
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*/
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if (!is_tip_reachable(ud->sm_path, &ud->oid) &&
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fetch_in_submodule(ud->sm_path, ud->depth, ud->quiet, &ud->oid))
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die(_("Fetched in submodule path '%s', but it did not "
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"contain %s. Direct fetching of that commit failed."),
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ud->displaypath, oid_to_hex(&ud->oid));
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}
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return run_update_command(ud, subforce);
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}
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static void update_submodule(struct update_clone_data *ucd)
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{
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fprintf(stdout, "dummy %s %d\t%s\n",
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@ -2359,6 +2548,73 @@ static int update_clone(int argc, const char **argv, const char *prefix)
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return update_submodules(&suc);
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}
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static int run_update_procedure(int argc, const char **argv, const char *prefix)
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{
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int force = 0, quiet = 0, nofetch = 0, just_cloned = 0;
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char *prefixed_path, *update = NULL;
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struct update_data update_data = UPDATE_DATA_INIT;
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struct option options[] = {
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OPT__QUIET(&quiet, N_("suppress output for update by rebase or merge")),
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OPT__FORCE(&force, N_("force checkout updates"), 0),
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OPT_BOOL('N', "no-fetch", &nofetch,
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N_("don't fetch new objects from the remote site")),
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OPT_BOOL(0, "just-cloned", &just_cloned,
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N_("overrides update mode in case the repository is a fresh clone")),
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OPT_INTEGER(0, "depth", &update_data.depth, N_("depth for shallow fetch")),
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OPT_STRING(0, "prefix", &prefix,
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N_("path"),
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N_("path into the working tree")),
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OPT_STRING(0, "update", &update,
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N_("string"),
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N_("rebase, merge, checkout or none")),
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OPT_STRING(0, "recursive-prefix", &update_data.recursive_prefix, N_("path"),
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N_("path into the working tree, across nested "
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"submodule boundaries")),
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OPT_CALLBACK_F(0, "oid", &update_data.oid, N_("sha1"),
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N_("SHA1 expected by superproject"), PARSE_OPT_NONEG,
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parse_opt_object_id),
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OPT_CALLBACK_F(0, "suboid", &update_data.suboid, N_("subsha1"),
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N_("SHA1 of submodule's HEAD"), PARSE_OPT_NONEG,
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parse_opt_object_id),
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OPT_END()
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};
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const char *const usage[] = {
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N_("git submodule--helper run-update-procedure [<options>] <path>"),
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NULL
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};
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argc = parse_options(argc, argv, prefix, options, usage, 0);
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if (argc != 1)
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usage_with_options(usage, options);
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update_data.force = !!force;
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update_data.quiet = !!quiet;
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update_data.nofetch = !!nofetch;
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update_data.just_cloned = !!just_cloned;
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update_data.sm_path = argv[0];
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if (update_data.recursive_prefix)
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prefixed_path = xstrfmt("%s%s", update_data.recursive_prefix, update_data.sm_path);
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else
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prefixed_path = xstrdup(update_data.sm_path);
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update_data.displaypath = get_submodule_displaypath(prefixed_path, prefix);
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determine_submodule_update_strategy(the_repository, update_data.just_cloned,
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update_data.sm_path, update,
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&update_data.update_strategy);
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free(prefixed_path);
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if (!oideq(&update_data.oid, &update_data.suboid) || update_data.force)
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return do_run_update_procedure(&update_data);
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return 3;
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}
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static int resolve_relative_path(int argc, const char **argv, const char *prefix)
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{
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struct strbuf sb = STRBUF_INIT;
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@ -3098,6 +3354,7 @@ static struct cmd_struct commands[] = {
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{"add", module_add, SUPPORT_SUPER_PREFIX},
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{"update-module-mode", module_update_module_mode, 0},
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{"update-clone", update_clone, 0},
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{"run-update-procedure", run_update_procedure, 0},
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{"ensure-core-worktree", ensure_core_worktree, 0},
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{"relative-path", resolve_relative_path, 0},
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{"resolve-relative-url-test", resolve_relative_url_test, 0},
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104
git-submodule.sh
104
git-submodule.sh
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@ -251,13 +251,6 @@ cmd_deinit()
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git ${wt_prefix:+-C "$wt_prefix"} submodule--helper deinit ${GIT_QUIET:+--quiet} ${force:+--force} ${deinit_all:+--all} -- "$@"
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}
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is_tip_reachable () (
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sanitize_submodule_env &&
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cd "$1" &&
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rev=$(git rev-list -n 1 "$2" --not --all 2>/dev/null) &&
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test -z "$rev"
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)
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# usage: fetch_in_submodule <module_path> [<depth>] [<sha1>]
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# Because arguments are positional, use an empty string to omit <depth>
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# but include <sha1>.
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@ -401,14 +394,13 @@ cmd_update()
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git submodule--helper ensure-core-worktree "$sm_path" || exit 1
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update_module=$(git submodule--helper update-module-mode $just_cloned "$sm_path" $update)
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displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
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if test $just_cloned -eq 1
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then
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subsha1=
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else
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just_cloned=
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subsha1=$(sanitize_submodule_env; cd "$sm_path" &&
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git rev-parse --verify HEAD) ||
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die "fatal: $(eval_gettext "Unable to find current revision in submodule path '\$displaypath'")"
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@ -429,70 +421,38 @@ cmd_update()
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die "fatal: $(eval_gettext "Unable to find current \${remote_name}/\${branch} revision in submodule path '\$sm_path'")"
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fi
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if test "$subsha1" != "$sha1" || test -n "$force"
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then
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subforce=$force
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# If we don't already have a -f flag and the submodule has never been checked out
|
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if test -z "$subsha1" && test -z "$force"
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then
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subforce="-f"
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fi
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out=$(git submodule--helper run-update-procedure \
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${wt_prefix:+--prefix "$wt_prefix"} \
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${GIT_QUIET:+--quiet} \
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${force:+--force} \
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${just_cloned:+--just-cloned} \
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${nofetch:+--no-fetch} \
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${depth:+"$depth"} \
|
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${update:+--update "$update"} \
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${prefix:+--recursive-prefix "$prefix"} \
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${sha1:+--oid "$sha1"} \
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${subsha1:+--suboid "$subsha1"} \
|
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"--" \
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"$sm_path")
|
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|
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if test -z "$nofetch"
|
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then
|
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# Run fetch only if $sha1 isn't present or it
|
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# is not reachable from a ref.
|
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is_tip_reachable "$sm_path" "$sha1" ||
|
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fetch_in_submodule "$sm_path" $depth ||
|
||||
say "$(eval_gettext "Unable to fetch in submodule path '\$displaypath'; trying to directly fetch \$sha1:")"
|
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|
||||
# Now we tried the usual fetch, but $sha1 may
|
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# not be reachable from any of the refs
|
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is_tip_reachable "$sm_path" "$sha1" ||
|
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fetch_in_submodule "$sm_path" "$depth" "$sha1" ||
|
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die "fatal: $(eval_gettext "Fetched in submodule path '\$displaypath', but it did not contain \$sha1. Direct fetching of that commit failed.")"
|
||||
fi
|
||||
|
||||
must_die_on_failure=
|
||||
case "$update_module" in
|
||||
checkout)
|
||||
command="git checkout $subforce -q"
|
||||
die_msg="fatal: $(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$displaypath'")"
|
||||
say_msg="$(eval_gettext "Submodule path '\$displaypath': checked out '\$sha1'")"
|
||||
;;
|
||||
rebase)
|
||||
command="git rebase ${GIT_QUIET:+--quiet}"
|
||||
die_msg="fatal: $(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$displaypath'")"
|
||||
say_msg="$(eval_gettext "Submodule path '\$displaypath': rebased into '\$sha1'")"
|
||||
must_die_on_failure=yes
|
||||
;;
|
||||
merge)
|
||||
command="git merge ${GIT_QUIET:+--quiet}"
|
||||
die_msg="fatal: $(eval_gettext "Unable to merge '\$sha1' in submodule path '\$displaypath'")"
|
||||
say_msg="$(eval_gettext "Submodule path '\$displaypath': merged in '\$sha1'")"
|
||||
must_die_on_failure=yes
|
||||
;;
|
||||
!*)
|
||||
command="${update_module#!}"
|
||||
die_msg="fatal: $(eval_gettext "Execution of '\$command \$sha1' failed in submodule path '\$displaypath'")"
|
||||
say_msg="$(eval_gettext "Submodule path '\$displaypath': '\$command \$sha1'")"
|
||||
must_die_on_failure=yes
|
||||
;;
|
||||
*)
|
||||
die "fatal: $(eval_gettext "Invalid update mode '$update_module' for submodule path '$path'")"
|
||||
esac
|
||||
|
||||
if (sanitize_submodule_env; cd "$sm_path" && $command "$sha1")
|
||||
then
|
||||
say "$say_msg"
|
||||
elif test -n "$must_die_on_failure"
|
||||
then
|
||||
die_with_status 2 "$die_msg"
|
||||
else
|
||||
err="${err};$die_msg"
|
||||
continue
|
||||
fi
|
||||
fi
|
||||
# exit codes for run-update-procedure:
|
||||
# 0: update was successful, say command output
|
||||
# 1: update procedure failed, but should not die
|
||||
# 2 or 128: subcommand died during execution
|
||||
# 3: no update procedure was run
|
||||
res="$?"
|
||||
case $res in
|
||||
0)
|
||||
say "$out"
|
||||
;;
|
||||
1)
|
||||
err="${err};fatal: $out"
|
||||
continue
|
||||
;;
|
||||
2|128)
|
||||
die_with_status $res "fatal: $out"
|
||||
;;
|
||||
esac
|
||||
|
||||
if test -n "$recursive"
|
||||
then
|
||||
|
|
|
|||
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