diff options
Diffstat (limited to 'builtin/reflog.c')
-rw-r--r-- | builtin/reflog.c | 387 |
1 files changed, 220 insertions, 167 deletions
diff --git a/builtin/reflog.c b/builtin/reflog.c index 175c83e7cc..85b838720c 100644 --- a/builtin/reflog.c +++ b/builtin/reflog.c @@ -12,15 +12,6 @@ #include "reachable.h" #include "worktree.h" -/* NEEDSWORK: switch to using parse_options */ -static const char reflog_expire_usage[] = -N_("git reflog expire [--expire=<time>] " - "[--expire-unreachable=<time>] " - "[--rewrite] [--updateref] [--stale-fix] [--dry-run | -n] " - "[--verbose] [--all] <refs>..."); -static const char reflog_delete_usage[] = -N_("git reflog delete [--rewrite] [--updateref] " - "[--dry-run | -n] [--verbose] <refs>..."); static const char reflog_exists_usage[] = N_("git reflog exists <ref>"); @@ -28,8 +19,8 @@ static timestamp_t default_reflog_expire; static timestamp_t default_reflog_expire_unreachable; struct cmd_reflog_expire_cb { - struct rev_info revs; int stalefix; + int explicit_expiry; timestamp_t expire_total; timestamp_t expire_unreachable; int recno; @@ -46,18 +37,12 @@ struct expire_reflog_policy_cb { struct cmd_reflog_expire_cb cmd; struct commit *tip_commit; struct commit_list *tips; + unsigned int dry_run:1; }; -struct collected_reflog { - struct object_id oid; - char reflog[FLEX_ARRAY]; -}; - -struct collect_reflog_cb { - struct collected_reflog **e; - int alloc; - int nr; - struct worktree *wt; +struct worktree_reflogs { + struct worktree *worktree; + struct string_list reflogs; }; /* Remember to update object flag allocation in object.h */ @@ -310,10 +295,15 @@ static int should_expire_reflog_ent(struct object_id *ooid, struct object_id *no return 1; if (timestamp < cb->cmd.expire_unreachable) { - if (cb->unreachable_expire_kind == UE_ALWAYS) - return 1; - if (unreachable(cb, old_commit, ooid) || unreachable(cb, new_commit, noid)) + switch (cb->unreachable_expire_kind) { + case UE_ALWAYS: return 1; + case UE_NORMAL: + case UE_HEAD: + if (unreachable(cb, old_commit, ooid) || unreachable(cb, new_commit, noid)) + return 1; + break; + } } if (cb->cmd.recno && --(cb->cmd.recno) == 0) @@ -322,6 +312,28 @@ static int should_expire_reflog_ent(struct object_id *ooid, struct object_id *no return 0; } +static int should_expire_reflog_ent_verbose(struct object_id *ooid, + struct object_id *noid, + const char *email, + timestamp_t timestamp, int tz, + const char *message, void *cb_data) +{ + struct expire_reflog_policy_cb *cb = cb_data; + int expire; + + expire = should_expire_reflog_ent(ooid, noid, email, timestamp, tz, + message, cb); + + if (!expire) + printf("keep %s", message); + else if (cb->dry_run) + printf("would prune %s", message); + else + printf("prune %s", message); + + return expire; +} + static int push_tip_to_list(const char *refname, const struct object_id *oid, int flags, void *cb_data) { @@ -355,75 +367,71 @@ static void reflog_expiry_prepare(const char *refname, void *cb_data) { struct expire_reflog_policy_cb *cb = cb_data; + struct commit_list *elem; + struct commit *commit = NULL; if (!cb->cmd.expire_unreachable || is_head(refname)) { - cb->tip_commit = NULL; cb->unreachable_expire_kind = UE_HEAD; } else { - cb->tip_commit = lookup_commit_reference_gently(the_repository, - oid, 1); - if (!cb->tip_commit) - cb->unreachable_expire_kind = UE_ALWAYS; - else - cb->unreachable_expire_kind = UE_NORMAL; + commit = lookup_commit(the_repository, oid); + cb->unreachable_expire_kind = commit ? UE_NORMAL : UE_ALWAYS; } if (cb->cmd.expire_unreachable <= cb->cmd.expire_total) cb->unreachable_expire_kind = UE_ALWAYS; - cb->mark_list = NULL; - cb->tips = NULL; - if (cb->unreachable_expire_kind != UE_ALWAYS) { - if (cb->unreachable_expire_kind == UE_HEAD) { - struct commit_list *elem; - - for_each_ref(push_tip_to_list, &cb->tips); - for (elem = cb->tips; elem; elem = elem->next) - commit_list_insert(elem->item, &cb->mark_list); - } else { - commit_list_insert(cb->tip_commit, &cb->mark_list); - } - cb->mark_limit = cb->cmd.expire_total; - mark_reachable(cb); + switch (cb->unreachable_expire_kind) { + case UE_ALWAYS: + return; + case UE_HEAD: + for_each_ref(push_tip_to_list, &cb->tips); + for (elem = cb->tips; elem; elem = elem->next) + commit_list_insert(elem->item, &cb->mark_list); + break; + case UE_NORMAL: + commit_list_insert(commit, &cb->mark_list); + /* For reflog_expiry_cleanup() below */ + cb->tip_commit = commit; } + cb->mark_limit = cb->cmd.expire_total; + mark_reachable(cb); } static void reflog_expiry_cleanup(void *cb_data) { struct expire_reflog_policy_cb *cb = cb_data; + struct commit_list *elem; - if (cb->unreachable_expire_kind != UE_ALWAYS) { - if (cb->unreachable_expire_kind == UE_HEAD) { - struct commit_list *elem; - for (elem = cb->tips; elem; elem = elem->next) - clear_commit_marks(elem->item, REACHABLE); - free_commit_list(cb->tips); - } else { - clear_commit_marks(cb->tip_commit, REACHABLE); - } + switch (cb->unreachable_expire_kind) { + case UE_ALWAYS: + return; + case UE_HEAD: + for (elem = cb->tips; elem; elem = elem->next) + clear_commit_marks(elem->item, REACHABLE); + free_commit_list(cb->tips); + break; + case UE_NORMAL: + clear_commit_marks(cb->tip_commit, REACHABLE); + break; } } static int collect_reflog(const char *ref, const struct object_id *oid, int unused, void *cb_data) { - struct collected_reflog *e; - struct collect_reflog_cb *cb = cb_data; + struct worktree_reflogs *cb = cb_data; + struct worktree *worktree = cb->worktree; struct strbuf newref = STRBUF_INIT; /* * Avoid collecting the same shared ref multiple times because * they are available via all worktrees. */ - if (!cb->wt->is_current && ref_type(ref) == REF_TYPE_NORMAL) + if (!worktree->is_current && ref_type(ref) == REF_TYPE_NORMAL) return 0; - strbuf_worktree_ref(cb->wt, &newref, ref); - FLEX_ALLOC_STR(e, reflog, newref.buf); - strbuf_release(&newref); + strbuf_worktree_ref(worktree, &newref, ref); + string_list_append_nodup(&cb->reflogs, strbuf_detach(&newref, NULL)); - oidcpy(&e->oid, oid); - ALLOC_GROW(cb->e, cb->nr + 1, cb->alloc); - cb->e[cb->nr++] = e; return 0; } @@ -504,18 +512,18 @@ static int reflog_expire_config(const char *var, const char *value, void *cb) return 0; } -static void set_reflog_expiry_param(struct cmd_reflog_expire_cb *cb, int slot, const char *ref) +static void set_reflog_expiry_param(struct cmd_reflog_expire_cb *cb, const char *ref) { struct reflog_expire_cfg *ent; - if (slot == (EXPIRE_TOTAL|EXPIRE_UNREACH)) + if (cb->explicit_expiry == (EXPIRE_TOTAL|EXPIRE_UNREACH)) return; /* both given explicitly -- nothing to tweak */ for (ent = reflog_expire_cfg; ent; ent = ent->next) { if (!wildmatch(ent->pattern, ref, 0)) { - if (!(slot & EXPIRE_TOTAL)) + if (!(cb->explicit_expiry & EXPIRE_TOTAL)) cb->expire_total = ent->expire_total; - if (!(slot & EXPIRE_UNREACH)) + if (!(cb->explicit_expiry & EXPIRE_UNREACH)) cb->expire_unreachable = ent->expire_unreachable; return; } @@ -525,27 +533,89 @@ static void set_reflog_expiry_param(struct cmd_reflog_expire_cb *cb, int slot, c * If unconfigured, make stash never expire */ if (!strcmp(ref, "refs/stash")) { - if (!(slot & EXPIRE_TOTAL)) + if (!(cb->explicit_expiry & EXPIRE_TOTAL)) cb->expire_total = 0; - if (!(slot & EXPIRE_UNREACH)) + if (!(cb->explicit_expiry & EXPIRE_UNREACH)) cb->expire_unreachable = 0; return; } /* Nothing matched -- use the default value */ - if (!(slot & EXPIRE_TOTAL)) + if (!(cb->explicit_expiry & EXPIRE_TOTAL)) cb->expire_total = default_reflog_expire; - if (!(slot & EXPIRE_UNREACH)) + if (!(cb->explicit_expiry & EXPIRE_UNREACH)) cb->expire_unreachable = default_reflog_expire_unreachable; } +static const char * reflog_expire_usage[] = { + N_("git reflog expire [--expire=<time>] " + "[--expire-unreachable=<time>] " + "[--rewrite] [--updateref] [--stale-fix] [--dry-run | -n] " + "[--verbose] [--all] <refs>..."), + NULL +}; + +static int expire_unreachable_callback(const struct option *opt, + const char *arg, + int unset) +{ + struct cmd_reflog_expire_cb *cmd = opt->value; + + if (parse_expiry_date(arg, &cmd->expire_unreachable)) + die(_("invalid timestamp '%s' given to '--%s'"), + arg, opt->long_name); + + cmd->explicit_expiry |= EXPIRE_UNREACH; + return 0; +} + +static int expire_total_callback(const struct option *opt, + const char *arg, + int unset) +{ + struct cmd_reflog_expire_cb *cmd = opt->value; + + if (parse_expiry_date(arg, &cmd->expire_total)) + die(_("invalid timestamp '%s' given to '--%s'"), + arg, opt->long_name); + + cmd->explicit_expiry |= EXPIRE_TOTAL; + return 0; +} + static int cmd_reflog_expire(int argc, const char **argv, const char *prefix) { - struct expire_reflog_policy_cb cb; + struct cmd_reflog_expire_cb cmd = { 0 }; timestamp_t now = time(NULL); int i, status, do_all, all_worktrees = 1; - int explicit_expiry = 0; unsigned int flags = 0; + int verbose = 0; + reflog_expiry_should_prune_fn *should_prune_fn = should_expire_reflog_ent; + const struct option options[] = { + OPT_BIT(0, "dry-run", &flags, N_("do not actually prune any entries"), + EXPIRE_REFLOGS_DRY_RUN), + OPT_BIT(0, "rewrite", &flags, + N_("rewrite the old SHA1 with the new SHA1 of the entry that now precedes it"), + EXPIRE_REFLOGS_REWRITE), + OPT_BIT(0, "updateref", &flags, + N_("update the reference to the value of the top reflog entry"), + EXPIRE_REFLOGS_UPDATE_REF), + OPT_BOOL(0, "verbose", &verbose, N_("print extra information on screen.")), + OPT_CALLBACK_F(0, "expire", &cmd, N_("timestamp"), + N_("prune entries older than the specified time"), + PARSE_OPT_NONEG, + expire_total_callback), + OPT_CALLBACK_F(0, "expire-unreachable", &cmd, N_("timestamp"), + N_("prune entries older than <time> that are not reachable from the current tip of the branch"), + PARSE_OPT_NONEG, + expire_unreachable_callback), + OPT_BOOL(0, "stale-fix", &cmd.stalefix, + N_("prune any reflog entries that point to broken commits")), + OPT_BOOL(0, "all", &do_all, N_("process the reflogs of all references")), + OPT_BOOL(1, "single-worktree", &all_worktrees, + N_("limits processing to reflogs from the current worktree only.")), + OPT_END() + }; default_reflog_expire_unreachable = now - 30 * 24 * 3600; default_reflog_expire = now - 90 * 24 * 3600; @@ -553,104 +623,80 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix) save_commit_buffer = 0; do_all = status = 0; - memset(&cb, 0, sizeof(cb)); - cb.cmd.expire_total = default_reflog_expire; - cb.cmd.expire_unreachable = default_reflog_expire_unreachable; + cmd.explicit_expiry = 0; + cmd.expire_total = default_reflog_expire; + cmd.expire_unreachable = default_reflog_expire_unreachable; - for (i = 1; i < argc; i++) { - const char *arg = argv[i]; + argc = parse_options(argc, argv, prefix, options, reflog_expire_usage, 0); - if (!strcmp(arg, "--dry-run") || !strcmp(arg, "-n")) - flags |= EXPIRE_REFLOGS_DRY_RUN; - else if (skip_prefix(arg, "--expire=", &arg)) { - if (parse_expiry_date(arg, &cb.cmd.expire_total)) - die(_("'%s' is not a valid timestamp"), arg); - explicit_expiry |= EXPIRE_TOTAL; - } - else if (skip_prefix(arg, "--expire-unreachable=", &arg)) { - if (parse_expiry_date(arg, &cb.cmd.expire_unreachable)) - die(_("'%s' is not a valid timestamp"), arg); - explicit_expiry |= EXPIRE_UNREACH; - } - else if (!strcmp(arg, "--stale-fix")) - cb.cmd.stalefix = 1; - else if (!strcmp(arg, "--rewrite")) - flags |= EXPIRE_REFLOGS_REWRITE; - else if (!strcmp(arg, "--updateref")) - flags |= EXPIRE_REFLOGS_UPDATE_REF; - else if (!strcmp(arg, "--all")) - do_all = 1; - else if (!strcmp(arg, "--single-worktree")) - all_worktrees = 0; - else if (!strcmp(arg, "--verbose")) - flags |= EXPIRE_REFLOGS_VERBOSE; - else if (!strcmp(arg, "--")) { - i++; - break; - } - else if (arg[0] == '-') - usage(_(reflog_expire_usage)); - else - break; - } + if (verbose) + should_prune_fn = should_expire_reflog_ent_verbose; /* * We can trust the commits and objects reachable from refs * even in older repository. We cannot trust what's reachable * from reflog if the repository was pruned with older git. */ - if (cb.cmd.stalefix) { - repo_init_revisions(the_repository, &cb.cmd.revs, prefix); - cb.cmd.revs.do_not_die_on_missing_tree = 1; - cb.cmd.revs.ignore_missing = 1; - cb.cmd.revs.ignore_missing_links = 1; - if (flags & EXPIRE_REFLOGS_VERBOSE) + if (cmd.stalefix) { + struct rev_info revs; + + repo_init_revisions(the_repository, &revs, prefix); + revs.do_not_die_on_missing_tree = 1; + revs.ignore_missing = 1; + revs.ignore_missing_links = 1; + if (verbose) printf(_("Marking reachable objects...")); - mark_reachable_objects(&cb.cmd.revs, 0, 0, NULL); - if (flags & EXPIRE_REFLOGS_VERBOSE) + mark_reachable_objects(&revs, 0, 0, NULL); + if (verbose) putchar('\n'); } if (do_all) { - struct collect_reflog_cb collected; + struct worktree_reflogs collected = { + .reflogs = STRING_LIST_INIT_DUP, + }; + struct string_list_item *item; struct worktree **worktrees, **p; - int i; - memset(&collected, 0, sizeof(collected)); worktrees = get_worktrees(); for (p = worktrees; *p; p++) { if (!all_worktrees && !(*p)->is_current) continue; - collected.wt = *p; + collected.worktree = *p; refs_for_each_reflog(get_worktree_ref_store(*p), collect_reflog, &collected); } free_worktrees(worktrees); - for (i = 0; i < collected.nr; i++) { - struct collected_reflog *e = collected.e[i]; - set_reflog_expiry_param(&cb.cmd, explicit_expiry, e->reflog); - status |= reflog_expire(e->reflog, flags, + for_each_string_list_item(item, &collected.reflogs) { + struct expire_reflog_policy_cb cb = { + .cmd = cmd, + .dry_run = !!(flags & EXPIRE_REFLOGS_DRY_RUN), + }; + + set_reflog_expiry_param(&cb.cmd, item->string); + status |= reflog_expire(item->string, flags, reflog_expiry_prepare, - should_expire_reflog_ent, + should_prune_fn, reflog_expiry_cleanup, &cb); - free(e); } - free(collected.e); + string_list_clear(&collected.reflogs, 0); } - for (; i < argc; i++) { + for (i = 0; i < argc; i++) { char *ref; + struct expire_reflog_policy_cb cb = { .cmd = cmd }; + if (!dwim_log(argv[i], strlen(argv[i]), NULL, &ref)) { status |= error(_("%s points nowhere!"), argv[i]); continue; } - set_reflog_expiry_param(&cb.cmd, explicit_expiry, ref); + set_reflog_expiry_param(&cb.cmd, ref); status |= reflog_expire(ref, flags, reflog_expiry_prepare, - should_expire_reflog_ent, + should_prune_fn, reflog_expiry_cleanup, &cb); free(ref); @@ -662,47 +708,53 @@ static int count_reflog_ent(struct object_id *ooid, struct object_id *noid, const char *email, timestamp_t timestamp, int tz, const char *message, void *cb_data) { - struct expire_reflog_policy_cb *cb = cb_data; - if (!cb->cmd.expire_total || timestamp < cb->cmd.expire_total) - cb->cmd.recno++; + struct cmd_reflog_expire_cb *cb = cb_data; + if (!cb->expire_total || timestamp < cb->expire_total) + cb->recno++; return 0; } +static const char * reflog_delete_usage[] = { + N_("git reflog delete [--rewrite] [--updateref] " + "[--dry-run | -n] [--verbose] <refs>..."), + NULL +}; + static int cmd_reflog_delete(int argc, const char **argv, const char *prefix) { - struct expire_reflog_policy_cb cb; + struct cmd_reflog_expire_cb cmd = { 0 }; int i, status = 0; unsigned int flags = 0; - - memset(&cb, 0, sizeof(cb)); - - for (i = 1; i < argc; i++) { - const char *arg = argv[i]; - if (!strcmp(arg, "--dry-run") || !strcmp(arg, "-n")) - flags |= EXPIRE_REFLOGS_DRY_RUN; - else if (!strcmp(arg, "--rewrite")) - flags |= EXPIRE_REFLOGS_REWRITE; - else if (!strcmp(arg, "--updateref")) - flags |= EXPIRE_REFLOGS_UPDATE_REF; - else if (!strcmp(arg, "--verbose")) - flags |= EXPIRE_REFLOGS_VERBOSE; - else if (!strcmp(arg, "--")) { - i++; - break; - } - else if (arg[0] == '-') - usage(_(reflog_delete_usage)); - else - break; - } - - if (argc - i < 1) + int verbose = 0; + reflog_expiry_should_prune_fn *should_prune_fn = should_expire_reflog_ent; + const struct option options[] = { + OPT_BIT(0, "dry-run", &flags, N_("do not actually prune any entries"), + EXPIRE_REFLOGS_DRY_RUN), + OPT_BIT(0, "rewrite", &flags, + N_("rewrite the old SHA1 with the new SHA1 of the entry that now precedes it"), + EXPIRE_REFLOGS_REWRITE), + OPT_BIT(0, "updateref", &flags, + N_("update the reference to the value of the top reflog entry"), + EXPIRE_REFLOGS_UPDATE_REF), + OPT_BOOL(0, "verbose", &verbose, N_("print extra information on screen.")), + OPT_END() + }; + + argc = parse_options(argc, argv, prefix, options, reflog_delete_usage, 0); + + if (verbose) + should_prune_fn = should_expire_reflog_ent_verbose; + + if (argc < 1) return error(_("no reflog specified to delete")); - for ( ; i < argc; i++) { + for (i = 0; i < argc; i++) { const char *spec = strstr(argv[i], "@{"); char *ep, *ref; int recno; + struct expire_reflog_policy_cb cb = { + .dry_run = !!(flags & EXPIRE_REFLOGS_DRY_RUN), + }; if (!spec) { status |= error(_("not a reflog: %s"), argv[i]); @@ -716,17 +768,18 @@ static int cmd_reflog_delete(int argc, const char **argv, const char *prefix) recno = strtoul(spec + 2, &ep, 10); if (*ep == '}') { - cb.cmd.recno = -recno; - for_each_reflog_ent(ref, count_reflog_ent, &cb); + cmd.recno = -recno; + for_each_reflog_ent(ref, count_reflog_ent, &cmd); } else { - cb.cmd.expire_total = approxidate(spec + 2); - for_each_reflog_ent(ref, count_reflog_ent, &cb); - cb.cmd.expire_total = 0; + cmd.expire_total = approxidate(spec + 2); + for_each_reflog_ent(ref, count_reflog_ent, &cmd); + cmd.expire_total = 0; } + cb.cmd = cmd; status |= reflog_expire(ref, flags, reflog_expiry_prepare, - should_expire_reflog_ent, + should_prune_fn, reflog_expiry_cleanup, &cb); free(ref); |