diff options
| -rw-r--r-- | builtin-commit-tree.c | 9 | ||||
| -rw-r--r-- | builtin-commit.c | 67 | ||||
| -rw-r--r-- | builtin-merge.c | 4 | ||||
| -rw-r--r-- | builtin.h | 3 | ||||
| -rwxr-xr-x | t/t7603-merge-reduce-heads.sh | 53 |
5 files changed, 79 insertions, 57 deletions
diff --git a/builtin-commit-tree.c b/builtin-commit-tree.c index f2684bb75e..0453425c47 100644 --- a/builtin-commit-tree.c +++ b/builtin-commit-tree.c @@ -46,7 +46,8 @@ static const char commit_utf8_warn[] = "variable i18n.commitencoding to the encoding your project uses.\n"; int commit_tree(const char *msg, unsigned char *tree, - struct commit_list *parents, unsigned char *ret) + struct commit_list *parents, unsigned char *ret, + const char *author) { int result; int encoding_is_utf8; @@ -74,7 +75,9 @@ int commit_tree(const char *msg, unsigned char *tree, } /* Person/date information */ - strbuf_addf(&buffer, "author %s\n", git_author_info(IDENT_ERROR_ON_NO_NAME)); + if (!author) + author = git_author_info(IDENT_ERROR_ON_NO_NAME); + strbuf_addf(&buffer, "author %s\n", author); strbuf_addf(&buffer, "committer %s\n", git_committer_info(IDENT_ERROR_ON_NO_NAME)); if (!encoding_is_utf8) strbuf_addf(&buffer, "encoding %s\n", git_commit_encoding); @@ -123,7 +126,7 @@ int cmd_commit_tree(int argc, const char **argv, const char *prefix) if (strbuf_read(&buffer, 0, 0) < 0) die("git commit-tree: read returned %s", strerror(errno)); - if (!commit_tree(buffer.buf, tree_sha1, parents, commit_sha1)) { + if (!commit_tree(buffer.buf, tree_sha1, parents, commit_sha1, NULL)) { printf("%s\n", sha1_to_hex(commit_sha1)); return 0; } diff --git a/builtin-commit.c b/builtin-commit.c index 8165bb3d31..55e1087d27 100644 --- a/builtin-commit.c +++ b/builtin-commit.c @@ -667,14 +667,14 @@ static int prepare_to_commit(const char *index_file, const char *prefix) } /* - * Find out if the message starting at position 'start' in the strbuf - * contains only whitespace and Signed-off-by lines. + * Find out if the message in the strbuf contains only whitespace and + * Signed-off-by lines. */ -static int message_is_empty(struct strbuf *sb, int start) +static int message_is_empty(struct strbuf *sb) { struct strbuf tmpl; const char *nl; - int eol, i; + int eol, i, start = 0; if (cleanup_mode == CLEANUP_NONE && sb->len) return 0; @@ -929,34 +929,14 @@ static const char commit_utf8_warn[] = "You may want to amend it after fixing the message, or set the config\n" "variable i18n.commitencoding to the encoding your project uses.\n"; -static void add_parent(struct strbuf *sb, const unsigned char *sha1) -{ - struct object *obj = parse_object(sha1); - const char *parent = sha1_to_hex(sha1); - const char *cp; - - if (!obj) - die("Unable to find commit parent %s", parent); - if (obj->type != OBJ_COMMIT) - die("Parent %s isn't a proper commit", parent); - - for (cp = sb->buf; cp && (cp = strstr(cp, "\nparent ")); cp += 8) { - if (!memcmp(cp + 8, parent, 40) && cp[48] == '\n') { - error("duplicate parent %s ignored", parent); - return; - } - } - strbuf_addf(sb, "parent %s\n", parent); -} - int cmd_commit(int argc, const char **argv, const char *prefix) { - int header_len; struct strbuf sb; const char *index_file, *reflog_msg; char *nl, *p; unsigned char commit_sha1[20]; struct ref_lock *ref_lock; + struct commit_list *parents = NULL, **pptr = &parents; git_config(git_commit_config, NULL); @@ -971,13 +951,6 @@ int cmd_commit(int argc, const char **argv, const char *prefix) return 1; } - /* - * The commit object - */ - strbuf_init(&sb, 0); - strbuf_addf(&sb, "tree %s\n", - sha1_to_hex(active_cache_tree->sha1)); - /* Determine parents */ if (initial_commit) { reflog_msg = "commit (initial)"; @@ -991,13 +964,13 @@ int cmd_commit(int argc, const char **argv, const char *prefix) die("could not parse HEAD commit"); for (c = commit->parents; c; c = c->next) - add_parent(&sb, c->item->object.sha1); + pptr = &commit_list_insert(c->item, pptr)->next; } else if (in_merge) { struct strbuf m; FILE *fp; reflog_msg = "commit (merge)"; - add_parent(&sb, head_sha1); + pptr = &commit_list_insert(lookup_commit(head_sha1), pptr)->next; strbuf_init(&m, 0); fp = fopen(git_path("MERGE_HEAD"), "r"); if (fp == NULL) @@ -1007,24 +980,18 @@ int cmd_commit(int argc, const char **argv, const char *prefix) unsigned char sha1[20]; if (get_sha1_hex(m.buf, sha1) < 0) die("Corrupt MERGE_HEAD file (%s)", m.buf); - add_parent(&sb, sha1); + pptr = &commit_list_insert(lookup_commit(sha1), pptr)->next; } fclose(fp); strbuf_release(&m); } else { reflog_msg = "commit"; - strbuf_addf(&sb, "parent %s\n", sha1_to_hex(head_sha1)); + pptr = &commit_list_insert(lookup_commit(head_sha1), pptr)->next; } - - strbuf_addf(&sb, "author %s\n", - fmt_ident(author_name, author_email, author_date, IDENT_ERROR_ON_NO_NAME)); - strbuf_addf(&sb, "committer %s\n", git_committer_info(IDENT_ERROR_ON_NO_NAME)); - if (!is_encoding_utf8(git_commit_encoding)) - strbuf_addf(&sb, "encoding %s\n", git_commit_encoding); - strbuf_addch(&sb, '\n'); + parents = reduce_heads(parents); /* Finally, get the commit message */ - header_len = sb.len; + strbuf_init(&sb, 0); if (strbuf_read_file(&sb, git_path(commit_editmsg), 0) < 0) { rollback_index_files(); die("could not read commit message"); @@ -1037,16 +1004,15 @@ int cmd_commit(int argc, const char **argv, const char *prefix) if (cleanup_mode != CLEANUP_NONE) stripspace(&sb, cleanup_mode == CLEANUP_ALL); - if (sb.len < header_len || message_is_empty(&sb, header_len)) { + if (message_is_empty(&sb)) { rollback_index_files(); fprintf(stderr, "Aborting commit due to empty commit message.\n"); exit(1); } - strbuf_addch(&sb, '\0'); - if (is_encoding_utf8(git_commit_encoding) && !is_utf8(sb.buf)) - fprintf(stderr, commit_utf8_warn); - if (write_sha1_file(sb.buf, sb.len - 1, commit_type, commit_sha1)) { + if (commit_tree(sb.buf, active_cache_tree->sha1, parents, commit_sha1, + fmt_ident(author_name, author_email, author_date, + IDENT_ERROR_ON_NO_NAME))) { rollback_index_files(); die("failed to write commit object"); } @@ -1055,12 +1021,11 @@ int cmd_commit(int argc, const char **argv, const char *prefix) initial_commit ? NULL : head_sha1, 0); - nl = strchr(sb.buf + header_len, '\n'); + nl = strchr(sb.buf, '\n'); if (nl) strbuf_setlen(&sb, nl + 1 - sb.buf); else strbuf_addch(&sb, '\n'); - strbuf_remove(&sb, 0, header_len); strbuf_insert(&sb, 0, reflog_msg, strlen(reflog_msg)); strbuf_insert(&sb, strlen(reflog_msg), ": ", 2); diff --git a/builtin-merge.c b/builtin-merge.c index 1094c5fd58..1942e72aaf 100644 --- a/builtin-merge.c +++ b/builtin-merge.c @@ -693,7 +693,7 @@ static int merge_trivial(void) parent->next = xmalloc(sizeof(struct commit_list *)); parent->next->item = remoteheads->item; parent->next->next = NULL; - commit_tree(merge_msg.buf, result_tree, parent, result_commit); + commit_tree(merge_msg.buf, result_tree, parent, result_commit, NULL); finish(result_commit, "In-index merge"); drop_save(); return 0; @@ -722,7 +722,7 @@ static int finish_automerge(struct commit_list *common, } free_commit_list(remoteheads); strbuf_addch(&merge_msg, '\n'); - commit_tree(merge_msg.buf, result_tree, parents, result_commit); + commit_tree(merge_msg.buf, result_tree, parents, result_commit, NULL); strbuf_addf(&buf, "Merge made by %s.", wt_strategy); finish(result_commit, buf.buf); strbuf_release(&buf); @@ -17,7 +17,8 @@ extern int read_line_with_nul(char *buf, int size, FILE *file); extern int fmt_merge_msg(int merge_summary, struct strbuf *in, struct strbuf *out); extern int commit_tree(const char *msg, unsigned char *tree, - struct commit_list *parents, unsigned char *ret); + struct commit_list *parents, unsigned char *ret, + const char *author); extern int check_pager_config(const char *cmd); extern int cmd_add(int argc, const char **argv, const char *prefix); diff --git a/t/t7603-merge-reduce-heads.sh b/t/t7603-merge-reduce-heads.sh index b47b7b9757..7e17eb490d 100755 --- a/t/t7603-merge-reduce-heads.sh +++ b/t/t7603-merge-reduce-heads.sh @@ -60,4 +60,57 @@ test_expect_success 'merge c1 with c2, c3, c4, c5' ' test -f c5.c ' +test_expect_success 'setup' ' + for i in A B C D E + do + echo $i > $i.c && + git add $i.c && + git commit -m $i && + git tag $i + done && + git reset --hard A && + for i in F G H I + do + echo $i > $i.c && + git add $i.c && + git commit -m $i && + git tag $i + done +' + +test_expect_success 'merge E and I' ' + git reset --hard A && + git merge E I +' + +test_expect_success 'verify merge result' ' + test $(git rev-parse HEAD^1) = $(git rev-parse E) && + test $(git rev-parse HEAD^2) = $(git rev-parse I) +' + +test_expect_success 'add conflicts' ' + git reset --hard E && + echo foo > file.c && + git add file.c && + git commit -m E2 && + git tag E2 && + git reset --hard I && + echo bar >file.c && + git add file.c && + git commit -m I2 && + git tag I2 +' + +test_expect_success 'merge E2 and I2, causing a conflict and resolve it' ' + git reset --hard A && + test_must_fail git merge E2 I2 && + echo baz > file.c && + git add file.c && + git commit -m "resolve conflict" +' + +test_expect_success 'verify merge result' ' + test $(git rev-parse HEAD^1) = $(git rev-parse E2) && + test $(git rev-parse HEAD^2) = $(git rev-parse I2) +' test_done |