From: Junio C Hamano Date: Wed, 21 Sep 2016 22:15:24 +0000 (-0700) Subject: Merge branch 'rs/checkout-some-states-are-const' X-Git-Tag: v2.11.0-rc0~130 X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/48e1f8ed017295b1ba5e2e26752842a50f5e35cd?hp=-c Merge branch 'rs/checkout-some-states-are-const' Code cleanup. * rs/checkout-some-states-are-const: checkout: constify parameters of checkout_stage() and checkout_merged() --- 48e1f8ed017295b1ba5e2e26752842a50f5e35cd diff --combined builtin/checkout.c index 8013a1b8b4,161f1636a6..9941abc3ac --- a/builtin/checkout.c +++ b/builtin/checkout.c @@@ -76,7 -76,7 +76,7 @@@ static int update_some(const unsigned c len = base->len + strlen(pathname); ce = xcalloc(1, cache_entry_size(len)); - hashcpy(ce->sha1, sha1); + hashcpy(ce->oid.hash, sha1); memcpy(ce->name, base->buf, base->len); memcpy(ce->name + base->len, pathname, len - base->len); ce->ce_flags = create_ce_flags(0) | CE_UPDATE; @@@ -92,7 -92,7 +92,7 @@@ if (pos >= 0) { struct cache_entry *old = active_cache[pos]; if (ce->ce_mode == old->ce_mode && - !hashcmp(ce->sha1, old->sha1)) { + !oidcmp(&ce->oid, &old->oid)) { old->ce_flags |= CE_UPDATE; free(ce); return 0; @@@ -154,8 -154,8 +154,8 @@@ static int check_stages(unsigned stages return 0; } - static int checkout_stage(int stage, struct cache_entry *ce, int pos, - struct checkout *state) + static int checkout_stage(int stage, const struct cache_entry *ce, int pos, + const struct checkout *state) { while (pos < active_nr && !strcmp(active_cache[pos]->name, ce->name)) { @@@ -169,15 -169,15 +169,15 @@@ return error(_("path '%s' does not have their version"), ce->name); } - static int checkout_merged(int pos, struct checkout *state) + static int checkout_merged(int pos, const struct checkout *state) { struct cache_entry *ce = active_cache[pos]; const char *path = ce->name; mmfile_t ancestor, ours, theirs; int status; - unsigned char sha1[20]; + struct object_id oid; mmbuffer_t result_buf; - unsigned char threeway[3][20]; + struct object_id threeway[3]; unsigned mode = 0; memset(threeway, 0, sizeof(threeway)); @@@ -186,18 -186,18 +186,18 @@@ stage = ce_stage(ce); if (!stage || strcmp(path, ce->name)) break; - hashcpy(threeway[stage - 1], ce->sha1); + oidcpy(&threeway[stage - 1], &ce->oid); if (stage == 2) mode = create_ce_mode(ce->ce_mode); pos++; ce = active_cache[pos]; } - if (is_null_sha1(threeway[1]) || is_null_sha1(threeway[2])) + if (is_null_oid(&threeway[1]) || is_null_oid(&threeway[2])) return error(_("path '%s' does not have necessary versions"), path); - read_mmblob(&ancestor, threeway[0]); - read_mmblob(&ours, threeway[1]); - read_mmblob(&theirs, threeway[2]); + read_mmblob(&ancestor, &threeway[0]); + read_mmblob(&ours, &threeway[1]); + read_mmblob(&theirs, &threeway[2]); /* * NEEDSWORK: re-create conflicts from merges with @@@ -226,9 -226,9 +226,9 @@@ * object database even when it may contain conflicts). */ if (write_sha1_file(result_buf.ptr, result_buf.size, - blob_type, sha1)) + blob_type, oid.hash)) die(_("Unable to add merge result for '%s'"), path); - ce = make_cache_entry(mode, sha1, path, 2, 0); + ce = make_cache_entry(mode, oid.hash, path, 2, 0); if (!ce) die(_("make_cache_entry failed for path '%s'"), path); status = checkout_entry(ce, state, NULL); @@@ -241,7 -241,8 +241,7 @@@ static int checkout_paths(const struct int pos; struct checkout state; static char *ps_matched; - unsigned char rev[20]; - int flag; + struct object_id rev; struct commit *head; int errs = 0; struct lock_file *lock_file; @@@ -276,7 -277,7 +276,7 @@@ hold_locked_index(lock_file, 1); if (read_cache_preload(&opts->pathspec) < 0) - return error(_("corrupt index file")); + return error(_("index file corrupt")); if (opts->source_tree) read_tree_some(opts->source_tree, &opts->pathspec); @@@ -374,8 -375,8 +374,8 @@@ if (write_locked_index(&the_index, lock_file, COMMIT_LOCK)) die(_("unable to write new index file")); - read_ref_full("HEAD", 0, rev, &flag); - head = lookup_commit_reference_gently(rev, 1); + read_ref_full("HEAD", 0, rev.hash, NULL); + head = lookup_commit_reference_gently(rev.hash, 1); errs |= post_checkout_hook(head, head, 0); return errs; @@@ -470,7 -471,7 +470,7 @@@ static int merge_working_tree(const str hold_locked_index(lock_file, 1); if (read_cache_preload(NULL) < 0) - return error(_("corrupt index file")); + return error(_("index file corrupt")); resolve_undo_clear(); if (opts->force) { @@@ -548,7 -549,7 +548,7 @@@ * entries in the index. */ - add_files_to_cache(NULL, NULL, 0); + add_files_to_cache(NULL, NULL, 0, 0); /* * NEEDSWORK: carrying over local changes * when branches have different end-of-line @@@ -567,13 -568,10 +567,13 @@@ o.ancestor = old->name; o.branch1 = new->name; o.branch2 = "local"; - merge_trees(&o, new->commit->tree, work, + ret = merge_trees(&o, new->commit->tree, work, old->commit->tree, &result); + if (ret < 0) + exit(128); ret = reset_tree(new->commit->tree, opts, 0, writeout_error); + strbuf_release(&o.obuf); if (ret) return ret; } @@@ -658,8 -656,7 +658,8 @@@ static void update_refs_for_switch(cons update_ref(msg.buf, "HEAD", new->commit->object.oid.hash, NULL, REF_NODEREF, UPDATE_REFS_DIE_ON_ERR); if (!opts->quiet) { - if (old->path && advice_detached_head) + if (old->path && + advice_detached_head && !opts->force_detach) detach_advice(new->name); describe_detached_head(_("HEAD is now at"), new->commit); } @@@ -707,7 -704,8 +707,7 @@@ static int add_pending_uninteresting_re static void describe_one_orphan(struct strbuf *sb, struct commit *commit) { strbuf_addstr(sb, " "); - strbuf_addstr(sb, - find_unique_abbrev(commit->object.oid.hash, DEFAULT_ABBREV)); + strbuf_add_unique_abbrev(sb, commit->object.oid.hash, DEFAULT_ABBREV); strbuf_addch(sb, ' '); if (!parse_commit(commit)) pp_commit_easy(CMIT_FMT_ONELINE, commit, sb); @@@ -808,11 -806,11 +808,11 @@@ static int switch_branches(const struc int ret = 0; struct branch_info old; void *path_to_free; - unsigned char rev[20]; + struct object_id rev; int flag, writeout_error = 0; memset(&old, 0, sizeof(old)); - old.path = path_to_free = resolve_refdup("HEAD", 0, rev, &flag); - old.commit = lookup_commit_reference_gently(rev, 1); + old.path = path_to_free = resolve_refdup("HEAD", 0, rev.hash, &flag); + old.commit = lookup_commit_reference_gently(rev.hash, 1); if (!(flag & REF_ISSYMREF)) old.path = NULL; @@@ -860,7 -858,7 +860,7 @@@ static int git_checkout_config(const ch struct tracking_name_data { /* const */ char *src_ref; char *dst_ref; - unsigned char *dst_sha1; + struct object_id *dst_oid; int unique; }; @@@ -871,7 -869,7 +871,7 @@@ static int check_tracking_name(struct r memset(&query, 0, sizeof(struct refspec)); query.src = cb->src_ref; if (remote_find_tracking(remote, &query) || - get_sha1(query.dst, cb->dst_sha1)) { + get_oid(query.dst, cb->dst_oid)) { free(query.dst); return 0; } @@@ -884,13 -882,13 +884,13 @@@ return 0; } -static const char *unique_tracking_name(const char *name, unsigned char *sha1) +static const char *unique_tracking_name(const char *name, struct object_id *oid) { struct tracking_name_data cb_data = { NULL, NULL, NULL, 1 }; char src_ref[PATH_MAX]; snprintf(src_ref, PATH_MAX, "refs/heads/%s", name); cb_data.src_ref = src_ref; - cb_data.dst_sha1 = sha1; + cb_data.dst_oid = oid; for_each_remote(check_tracking_name, &cb_data); if (cb_data.unique) return cb_data.dst_ref; @@@ -902,12 -900,12 +902,12 @@@ static int parse_branchname_arg(int arg int dwim_new_local_branch_ok, struct branch_info *new, struct checkout_opts *opts, - unsigned char rev[20]) + struct object_id *rev) { struct tree **source_tree = &opts->source_tree; const char **new_branch = &opts->new_branch; int argcount = 0; - unsigned char branch_rev[20]; + struct object_id branch_rev; const char *arg; int dash_dash_pos; int has_dash_dash = 0; @@@ -973,7 -971,7 +973,7 @@@ if (!strcmp(arg, "-")) arg = "@{-1}"; - if (get_sha1_mb(arg, rev)) { + if (get_oid_mb(arg, rev)) { /* * Either case (3) or (4), with not being * a commit, or an attempt to use case (1) with an @@@ -1022,15 -1020,15 +1022,15 @@@ setup_branch_path(new); if (!check_refname_format(new->path, 0) && - !read_ref(new->path, branch_rev)) - hashcpy(rev, branch_rev); + !read_ref(new->path, branch_rev.hash)) + oidcpy(rev, &branch_rev); else new->path = NULL; /* not an existing branch */ - new->commit = lookup_commit_reference_gently(rev, 1); + new->commit = lookup_commit_reference_gently(rev->hash, 1); if (!new->commit) { /* not a commit */ - *source_tree = parse_tree_indirect(rev); + *source_tree = parse_tree_indirect(rev->hash); } else { parse_commit_or_die(new->commit); *source_tree = new->commit->tree; @@@ -1108,21 -1106,21 +1108,21 @@@ static int checkout_branch(struct check if (new->path && !opts->force_detach && !opts->new_branch && !opts->ignore_other_worktrees) { - unsigned char sha1[20]; + struct object_id oid; int flag; - char *head_ref = resolve_refdup("HEAD", 0, sha1, &flag); + char *head_ref = resolve_refdup("HEAD", 0, oid.hash, &flag); if (head_ref && (!(flag & REF_ISSYMREF) || strcmp(head_ref, new->path))) - die_if_checked_out(new->path); + die_if_checked_out(new->path, 1); free(head_ref); } if (!new->commit && opts->new_branch) { - unsigned char rev[20]; + struct object_id rev; int flag; - if (!read_ref_full("HEAD", 0, rev, &flag) && - (flag & REF_ISSYMREF) && is_null_sha1(rev)) + if (!read_ref_full("HEAD", 0, rev.hash, &flag) && + (flag & REF_ISSYMREF) && is_null_oid(&rev)) return switch_unborn_to_new_branch(opts); } return switch_branches(opts, new); @@@ -1141,7 -1139,7 +1141,7 @@@ int cmd_checkout(int argc, const char * OPT_STRING('B', NULL, &opts.new_branch_force, N_("branch"), N_("create/reset and checkout a branch")), OPT_BOOL('l', NULL, &opts.new_branch_log, N_("create reflog for new branch")), - OPT_BOOL(0, "detach", &opts.force_detach, N_("detach the HEAD at named commit")), + OPT_BOOL(0, "detach", &opts.force_detach, N_("detach HEAD at named commit")), OPT_SET_INT('t', "track", &opts.track, N_("set upstream info for new branch"), BRANCH_TRACK_EXPLICIT), OPT_STRING(0, "orphan", &opts.new_orphan_branch, N_("new-branch"), N_("new unparented branch")), @@@ -1232,14 -1230,14 +1232,14 @@@ * remote branches, erroring out for invalid or ambiguous cases. */ if (argc) { - unsigned char rev[20]; + struct object_id rev; int dwim_ok = !opts.patch_mode && dwim_new_local_branch && opts.track == BRANCH_TRACK_UNSPECIFIED && !opts.new_branch; int n = parse_branchname_arg(argc, argv, dwim_ok, - &new, &opts, rev); + &new, &opts, &rev); argv += n; argc -= n; }