diff options
Diffstat (limited to 't/helper')
-rw-r--r-- | t/helper/test-crontab.c | 35 | ||||
-rw-r--r-- | t/helper/test-fast-rebase.c | 211 | ||||
-rw-r--r-- | t/helper/test-pkt-line.c | 23 | ||||
-rw-r--r-- | t/helper/test-tool.c | 2 | ||||
-rw-r--r-- | t/helper/test-tool.h | 2 |
5 files changed, 273 insertions, 0 deletions
diff --git a/t/helper/test-crontab.c b/t/helper/test-crontab.c new file mode 100644 index 0000000000..e7c0137a47 --- /dev/null +++ b/t/helper/test-crontab.c @@ -0,0 +1,35 @@ +#include "test-tool.h" +#include "cache.h" + +/* + * Usage: test-tool cron <file> [-l] + * + * If -l is specified, then write the contents of <file> to stdout. + * Otherwise, write from stdin into <file>. + */ +int cmd__crontab(int argc, const char **argv) +{ + int a; + FILE *from, *to; + + if (argc == 3 && !strcmp(argv[2], "-l")) { + from = fopen(argv[1], "r"); + if (!from) + return 0; + to = stdout; + } else if (argc == 2) { + from = stdin; + to = fopen(argv[1], "w"); + } else + return error("unknown arguments"); + + while ((a = fgetc(from)) != EOF) + fputc(a, to); + + if (argc == 3) + fclose(from); + else + fclose(to); + + return 0; +} diff --git a/t/helper/test-fast-rebase.c b/t/helper/test-fast-rebase.c new file mode 100644 index 0000000000..373212256a --- /dev/null +++ b/t/helper/test-fast-rebase.c @@ -0,0 +1,211 @@ +/* + * "git fast-rebase" builtin command + * + * FAST: Forking Any Subprocesses (is) Taboo + * + * This is meant SOLELY as a demo of what is possible. sequencer.c and + * rebase.c should be refactored to use the ideas here, rather than attempting + * to extend this file to replace those (unless Phillip or Dscho say that + * refactoring is too hard and we need a clean slate, but I'm guessing that + * refactoring is the better route). + */ + +#define USE_THE_INDEX_COMPATIBILITY_MACROS +#include "test-tool.h" + +#include "cache-tree.h" +#include "commit.h" +#include "lockfile.h" +#include "merge-ort.h" +#include "refs.h" +#include "revision.h" +#include "sequencer.h" +#include "strvec.h" +#include "tree.h" + +static const char *short_commit_name(struct commit *commit) +{ + return find_unique_abbrev(&commit->object.oid, DEFAULT_ABBREV); +} + +static struct commit *peel_committish(const char *name) +{ + struct object *obj; + struct object_id oid; + + if (get_oid(name, &oid)) + return NULL; + obj = parse_object(the_repository, &oid); + return (struct commit *)peel_to_type(name, 0, obj, OBJ_COMMIT); +} + +static char *get_author(const char *message) +{ + size_t len; + const char *a; + + a = find_commit_header(message, "author", &len); + if (a) + return xmemdupz(a, len); + + return NULL; +} + +static struct commit *create_commit(struct tree *tree, + struct commit *based_on, + struct commit *parent) +{ + struct object_id ret; + struct object *obj; + struct commit_list *parents = NULL; + char *author; + char *sign_commit = NULL; + struct commit_extra_header *extra; + struct strbuf msg = STRBUF_INIT; + const char *out_enc = get_commit_output_encoding(); + const char *message = logmsg_reencode(based_on, NULL, out_enc); + const char *orig_message = NULL; + const char *exclude_gpgsig[] = { "gpgsig", NULL }; + + commit_list_insert(parent, &parents); + extra = read_commit_extra_headers(based_on, exclude_gpgsig); + find_commit_subject(message, &orig_message); + strbuf_addstr(&msg, orig_message); + author = get_author(message); + reset_ident_date(); + if (commit_tree_extended(msg.buf, msg.len, &tree->object.oid, parents, + &ret, author, NULL, sign_commit, extra)) { + error(_("failed to write commit object")); + return NULL; + } + free(author); + strbuf_release(&msg); + + obj = parse_object(the_repository, &ret); + return (struct commit *)obj; +} + +int cmd__fast_rebase(int argc, const char **argv) +{ + struct commit *onto; + struct commit *last_commit = NULL, *last_picked_commit = NULL; + struct object_id head; + struct lock_file lock = LOCK_INIT; + int clean = 1; + struct strvec rev_walk_args = STRVEC_INIT; + struct rev_info revs; + struct commit *commit; + struct merge_options merge_opt; + struct tree *next_tree, *base_tree, *head_tree; + struct merge_result result; + struct strbuf reflog_msg = STRBUF_INIT; + struct strbuf branch_name = STRBUF_INIT; + + /* + * test-tool stuff doesn't set up the git directory by default; need to + * do that manually. + */ + setup_git_directory(); + + if (argc == 2 && !strcmp(argv[1], "-h")) { + printf("Sorry, I am not a psychiatrist; I can not give you the help you need. Oh, you meant usage...\n"); + exit(129); + } + + if (argc != 5 || strcmp(argv[1], "--onto")) + die("usage: read the code, figure out how to use it, then do so"); + + onto = peel_committish(argv[2]); + strbuf_addf(&branch_name, "refs/heads/%s", argv[4]); + + /* Sanity check */ + if (get_oid("HEAD", &head)) + die(_("Cannot read HEAD")); + assert(oideq(&onto->object.oid, &head)); + + hold_locked_index(&lock, LOCK_DIE_ON_ERROR); + assert(repo_read_index(the_repository) >= 0); + + repo_init_revisions(the_repository, &revs, NULL); + revs.verbose_header = 1; + revs.max_parents = 1; + revs.cherry_mark = 1; + revs.limited = 1; + revs.reverse = 1; + revs.right_only = 1; + revs.sort_order = REV_SORT_IN_GRAPH_ORDER; + revs.topo_order = 1; + strvec_pushl(&rev_walk_args, "", argv[4], "--not", argv[3], NULL); + + if (setup_revisions(rev_walk_args.nr, rev_walk_args.v, &revs, NULL) > 1) + return error(_("unhandled options")); + + strvec_clear(&rev_walk_args); + + if (prepare_revision_walk(&revs) < 0) + return error(_("error preparing revisions")); + + init_merge_options(&merge_opt, the_repository); + memset(&result, 0, sizeof(result)); + merge_opt.show_rename_progress = 1; + merge_opt.branch1 = "HEAD"; + head_tree = get_commit_tree(onto); + result.tree = head_tree; + last_commit = onto; + while ((commit = get_revision(&revs))) { + struct commit *base; + + fprintf(stderr, "Rebasing %s...\r", + oid_to_hex(&commit->object.oid)); + assert(commit->parents && !commit->parents->next); + base = commit->parents->item; + + next_tree = get_commit_tree(commit); + base_tree = get_commit_tree(base); + + merge_opt.branch2 = short_commit_name(commit); + merge_opt.ancestor = xstrfmt("parent of %s", merge_opt.branch2); + + merge_incore_nonrecursive(&merge_opt, + base_tree, + result.tree, + next_tree, + &result); + + free((char*)merge_opt.ancestor); + merge_opt.ancestor = NULL; + if (!result.clean) + die("Aborting: Hit a conflict and restarting is not implemented."); + last_picked_commit = commit; + last_commit = create_commit(result.tree, commit, last_commit); + } + fprintf(stderr, "\nDone.\n"); + /* TODO: There should be some kind of rev_info_free(&revs) call... */ + memset(&revs, 0, sizeof(revs)); + + merge_switch_to_result(&merge_opt, head_tree, &result, 1, !result.clean); + + if (result.clean < 0) + exit(128); + + strbuf_addf(&reflog_msg, "finish rebase %s onto %s", + oid_to_hex(&last_picked_commit->object.oid), + oid_to_hex(&last_commit->object.oid)); + if (update_ref(reflog_msg.buf, branch_name.buf, + &last_commit->object.oid, + &last_picked_commit->object.oid, + REF_NO_DEREF, UPDATE_REFS_MSG_ON_ERR)) { + error(_("could not update %s"), argv[4]); + die("Failed to update %s", argv[4]); + } + if (create_symref("HEAD", branch_name.buf, reflog_msg.buf) < 0) + die(_("unable to update HEAD")); + strbuf_release(&reflog_msg); + strbuf_release(&branch_name); + + prime_cache_tree(the_repository, the_repository->index, result.tree); + if (write_locked_index(&the_index, &lock, + COMMIT_LOCK | SKIP_IF_UNCHANGED)) + die(_("unable to write %s"), get_index_file()); + return (clean == 0); +} diff --git a/t/helper/test-pkt-line.c b/t/helper/test-pkt-line.c index 69152958e5..5e638f0b97 100644 --- a/t/helper/test-pkt-line.c +++ b/t/helper/test-pkt-line.c @@ -84,6 +84,25 @@ static void unpack_sideband(void) } } +static int send_split_sideband(void) +{ + const char *part1 = "Hello,"; + const char *primary = "\001primary: regular output\n"; + const char *part2 = " world!\n"; + + send_sideband(1, 2, part1, strlen(part1), LARGE_PACKET_MAX); + packet_write(1, primary, strlen(primary)); + send_sideband(1, 2, part2, strlen(part2), LARGE_PACKET_MAX); + packet_response_end(1); + + return 0; +} + +static int receive_sideband(void) +{ + return recv_sideband("sideband", 0, 1); +} + int cmd__pkt_line(int argc, const char **argv) { if (argc < 2) @@ -95,6 +114,10 @@ int cmd__pkt_line(int argc, const char **argv) unpack(); else if (!strcmp(argv[1], "unpack-sideband")) unpack_sideband(); + else if (!strcmp(argv[1], "send-split-sideband")) + send_split_sideband(); + else if (!strcmp(argv[1], "receive-sideband")) + receive_sideband(); else die("invalid argument '%s'", argv[1]); diff --git a/t/helper/test-tool.c b/t/helper/test-tool.c index a0d3966b29..9d6d14d929 100644 --- a/t/helper/test-tool.c +++ b/t/helper/test-tool.c @@ -18,6 +18,7 @@ static struct test_cmd cmds[] = { { "bloom", cmd__bloom }, { "chmtime", cmd__chmtime }, { "config", cmd__config }, + { "crontab", cmd__crontab }, { "ctype", cmd__ctype }, { "date", cmd__date }, { "delta", cmd__delta }, @@ -28,6 +29,7 @@ static struct test_cmd cmds[] = { { "dump-split-index", cmd__dump_split_index }, { "dump-untracked-cache", cmd__dump_untracked_cache }, { "example-decorate", cmd__example_decorate }, + { "fast-rebase", cmd__fast_rebase }, { "genrandom", cmd__genrandom }, { "genzeros", cmd__genzeros }, { "hashmap", cmd__hashmap }, diff --git a/t/helper/test-tool.h b/t/helper/test-tool.h index 07034d3f38..a6470ff62c 100644 --- a/t/helper/test-tool.h +++ b/t/helper/test-tool.h @@ -8,6 +8,7 @@ int cmd__advise_if_enabled(int argc, const char **argv); int cmd__bloom(int argc, const char **argv); int cmd__chmtime(int argc, const char **argv); int cmd__config(int argc, const char **argv); +int cmd__crontab(int argc, const char **argv); int cmd__ctype(int argc, const char **argv); int cmd__date(int argc, const char **argv); int cmd__delta(int argc, const char **argv); @@ -18,6 +19,7 @@ int cmd__dump_fsmonitor(int argc, const char **argv); int cmd__dump_split_index(int argc, const char **argv); int cmd__dump_untracked_cache(int argc, const char **argv); int cmd__example_decorate(int argc, const char **argv); +int cmd__fast_rebase(int argc, const char **argv); int cmd__genrandom(int argc, const char **argv); int cmd__genzeros(int argc, const char **argv); int cmd__hashmap(int argc, const char **argv); |