diff options
Diffstat (limited to 'builtin/merge-tree.c')
-rw-r--r-- | builtin/merge-tree.c | 77 |
1 files changed, 53 insertions, 24 deletions
diff --git a/builtin/merge-tree.c b/builtin/merge-tree.c index 0de42aecf4..05d0cad554 100644 --- a/builtin/merge-tree.c +++ b/builtin/merge-tree.c @@ -13,11 +13,11 @@ #include "parse-options.h" #include "repository.h" #include "blob.h" -#include "exec-cmd.h" #include "merge-blobs.h" #include "quote.h" #include "tree.h" #include "config.h" +#include "strvec.h" static int line_termination = '\n'; @@ -414,6 +414,7 @@ struct merge_tree_options { int show_messages; int name_only; int use_stdin; + struct merge_options merge_options; }; static int real_merge(struct merge_tree_options *o, @@ -423,47 +424,61 @@ static int real_merge(struct merge_tree_options *o, { struct commit *parent1, *parent2; struct commit_list *merge_bases = NULL; - struct merge_options opt; struct merge_result result = { 0 }; int show_messages = o->show_messages; + struct merge_options opt; - parent1 = get_merge_parent(branch1); - if (!parent1) - help_unknown_ref(branch1, "merge-tree", - _("not something we can merge")); - - parent2 = get_merge_parent(branch2); - if (!parent2) - help_unknown_ref(branch2, "merge-tree", - _("not something we can merge")); - - init_merge_options(&opt, the_repository); - + copy_merge_options(&opt, &o->merge_options); opt.show_rename_progress = 0; opt.branch1 = branch1; opt.branch2 = branch2; if (merge_base) { - struct commit *base_commit; struct tree *base_tree, *parent1_tree, *parent2_tree; - base_commit = lookup_commit_reference_by_name(merge_base); - if (!base_commit) - die(_("could not lookup commit '%s'"), merge_base); + /* + * We actually only need the trees because we already + * have a merge base. + */ + struct object_id base_oid, head_oid, merge_oid; + + if (repo_get_oid_treeish(the_repository, merge_base, &base_oid)) + die(_("could not parse as tree '%s'"), merge_base); + base_tree = parse_tree_indirect(&base_oid); + if (!base_tree) + die(_("unable to read tree (%s)"), oid_to_hex(&base_oid)); + if (repo_get_oid_treeish(the_repository, branch1, &head_oid)) + die(_("could not parse as tree '%s'"), branch1); + parent1_tree = parse_tree_indirect(&head_oid); + if (!parent1_tree) + die(_("unable to read tree (%s)"), oid_to_hex(&head_oid)); + if (repo_get_oid_treeish(the_repository, branch2, &merge_oid)) + die(_("could not parse as tree '%s'"), branch2); + parent2_tree = parse_tree_indirect(&merge_oid); + if (!parent2_tree) + die(_("unable to read tree (%s)"), oid_to_hex(&merge_oid)); opt.ancestor = merge_base; - base_tree = repo_get_commit_tree(the_repository, base_commit); - parent1_tree = repo_get_commit_tree(the_repository, parent1); - parent2_tree = repo_get_commit_tree(the_repository, parent2); merge_incore_nonrecursive(&opt, base_tree, parent1_tree, parent2_tree, &result); } else { + parent1 = get_merge_parent(branch1); + if (!parent1) + help_unknown_ref(branch1, "merge-tree", + _("not something we can merge")); + + parent2 = get_merge_parent(branch2); + if (!parent2) + help_unknown_ref(branch2, "merge-tree", + _("not something we can merge")); + /* * Get the merge bases, in reverse order; see comment above * merge_incore_recursive in merge-ort.h */ - merge_bases = repo_get_merge_bases(the_repository, parent1, - parent2); + if (repo_get_merge_bases(the_repository, parent1, + parent2, &merge_bases) < 0) + exit(128); if (!merge_bases && !o->allow_unrelated_histories) die(_("refusing to merge unrelated histories")); merge_bases = reverse_commit_list(merge_bases); @@ -507,12 +522,14 @@ static int real_merge(struct merge_tree_options *o, if (o->use_stdin) putchar(line_termination); merge_finalize(&opt, &result); + clear_merge_options(&opt); return !result.clean; /* result.clean < 0 handled above */ } int cmd_merge_tree(int argc, const char **argv, const char *prefix) { struct merge_tree_options o = { .show_messages = -1 }; + struct strvec xopts = STRVEC_INIT; int expected_remaining_argc; int original_argc; const char *merge_base = NULL; @@ -548,14 +565,25 @@ int cmd_merge_tree(int argc, const char **argv, const char *prefix) &merge_base, N_("commit"), N_("specify a merge-base for the merge")), + OPT_STRVEC('X', "strategy-option", &xopts, N_("option=value"), + N_("option for selected merge strategy")), OPT_END() }; + /* Init merge options */ + init_merge_options(&o.merge_options, the_repository); + /* Parse arguments */ original_argc = argc - 1; /* ignoring argv[0] */ argc = parse_options(argc, argv, prefix, mt_options, merge_tree_usage, PARSE_OPT_STOP_AT_NON_OPTION); + if (xopts.nr && o.mode == MODE_TRIVIAL) + die(_("--trivial-merge is incompatible with all other options")); + for (int x = 0; x < xopts.nr; x++) + if (parse_merge_opt(&o.merge_options, xopts.v[x])) + die(_("unknown strategy option: -X%s"), xopts.v[x]); + /* Handle --stdin */ if (o.use_stdin) { struct strbuf buf = STRBUF_INIT; @@ -563,7 +591,8 @@ int cmd_merge_tree(int argc, const char **argv, const char *prefix) if (o.mode == MODE_TRIVIAL) die(_("--trivial-merge is incompatible with all other options")); if (merge_base) - die(_("--merge-base is incompatible with --stdin")); + die(_("options '%s' and '%s' cannot be used together"), + "--merge-base", "--stdin"); line_termination = '\0'; while (strbuf_getline_lf(&buf, stdin) != EOF) { struct strbuf **split; 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