diff options
| -rw-r--r-- | builtin-commit.c | 171 | ||||
| -rwxr-xr-x | t/t7502-commit.sh | 29 |
2 files changed, 117 insertions, 83 deletions
diff --git a/builtin-commit.c b/builtin-commit.c index 90ddbaebf8..e8cb320590 100644 --- a/builtin-commit.c +++ b/builtin-commit.c @@ -377,9 +377,17 @@ static int run_hook(const char *index_file, const char *name, ...) return run_command(&hook); } +static int is_a_merge(const unsigned char *sha1) +{ + struct commit *commit = lookup_commit(sha1); + if (!commit || parse_commit(commit)) + die("could not parse HEAD commit"); + return !!(commit->parents && commit->parents->next); +} + static const char sign_off_header[] = "Signed-off-by: "; -static int prepare_log_message(const char *index_file, const char *prefix) +static int prepare_to_commit(const char *index_file, const char *prefix) { struct stat statbuf; int commitable, saved_color_setting; @@ -387,6 +395,9 @@ static int prepare_log_message(const char *index_file, const char *prefix) char *buffer; FILE *fp; + if (!no_verify && run_hook(index_file, "pre-commit", NULL)) + return 0; + strbuf_init(&sb, 0); if (message.len) { strbuf_addbuf(&sb, &message); @@ -447,13 +458,38 @@ static int prepare_log_message(const char *index_file, const char *prefix) strbuf_release(&sb); - if (!use_editor) { + if (use_editor) { + if (in_merge) + fprintf(fp, + "#\n" + "# It looks like you may be committing a MERGE.\n" + "# If this is not correct, please remove the file\n" + "# %s\n" + "# and try again.\n" + "#\n", + git_path("MERGE_HEAD")); + + fprintf(fp, + "\n" + "# Please enter the commit message for your changes.\n" + "# (Comment lines starting with '#' will "); + if (cleanup_mode == CLEANUP_ALL) + fprintf(fp, "not be included)\n"); + else /* CLEANUP_SPACE, that is. */ + fprintf(fp, "be kept.\n" + "# You can remove them yourself if you want to)\n"); + if (only_include_assumed) + fprintf(fp, "# %s\n", only_include_assumed); + + saved_color_setting = wt_status_use_color; + wt_status_use_color = 0; + commitable = run_status(fp, index_file, prefix, 1); + wt_status_use_color = saved_color_setting; + } else { struct rev_info rev; unsigned char sha1[20]; const char *parent = "HEAD"; - fclose(fp); - if (!active_nr && read_cache() < 0) die("Cannot read index"); @@ -461,48 +497,56 @@ static int prepare_log_message(const char *index_file, const char *prefix) parent = "HEAD^1"; if (get_sha1(parent, sha1)) - return !!active_nr; + commitable = !!active_nr; + else { + init_revisions(&rev, ""); + rev.abbrev = 0; + setup_revisions(0, NULL, &rev, parent); + DIFF_OPT_SET(&rev.diffopt, QUIET); + DIFF_OPT_SET(&rev.diffopt, EXIT_WITH_STATUS); + run_diff_index(&rev, 1 /* cached */); + + commitable = !!DIFF_OPT_TST(&rev.diffopt, HAS_CHANGES); + } + } - init_revisions(&rev, ""); - rev.abbrev = 0; - setup_revisions(0, NULL, &rev, parent); - DIFF_OPT_SET(&rev.diffopt, QUIET); - DIFF_OPT_SET(&rev.diffopt, EXIT_WITH_STATUS); - run_diff_index(&rev, 1 /* cached */); + fclose(fp); + + if (!commitable && !in_merge && !allow_empty && + !(amend && is_a_merge(head_sha1))) { + run_status(stdout, index_file, prefix, 0); + unlink(commit_editmsg); + return 0; + } - return !!DIFF_OPT_TST(&rev.diffopt, HAS_CHANGES); + /* + * Re-read the index as pre-commit hook could have updated it, + * and write it out as a tree. We must do this before we invoke + * the editor and after we invoke run_status above. + */ + discard_cache(); + read_cache_from(index_file); + if (!active_cache_tree) + active_cache_tree = cache_tree(); + if (cache_tree_update(active_cache_tree, + active_cache, active_nr, 0, 0) < 0) { + error("Error building trees"); + return 0; } - if (in_merge) - fprintf(fp, - "#\n" - "# It looks like you may be committing a MERGE.\n" - "# If this is not correct, please remove the file\n" - "# %s\n" - "# and try again.\n" - "#\n", - git_path("MERGE_HEAD")); - - fprintf(fp, - "\n" - "# Please enter the commit message for your changes.\n" - "# (Comment lines starting with '#' will "); - if (cleanup_mode == CLEANUP_ALL) - fprintf(fp, "not be included)\n"); - else /* CLEANUP_SPACE, that is. */ - fprintf(fp, "be kept.\n" - "# You can remove them yourself if you want to)\n"); - if (only_include_assumed) - fprintf(fp, "# %s\n", only_include_assumed); - - saved_color_setting = wt_status_use_color; - wt_status_use_color = 0; - commitable = run_status(fp, index_file, prefix, 1); - wt_status_use_color = saved_color_setting; + if (use_editor) { + char index[PATH_MAX]; + const char *env[2] = { index, NULL }; + snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", index_file); + launch_editor(git_path(commit_editmsg), NULL, env); + } - fclose(fp); + if (!no_verify && + run_hook(index_file, "commit-msg", git_path(commit_editmsg), NULL)) { + return 0; + } - return commitable; + return 1; } /* @@ -761,14 +805,6 @@ int git_commit_config(const char *k, const char *v) return git_status_config(k, v); } -static int is_a_merge(const unsigned char *sha1) -{ - struct commit *commit = lookup_commit(sha1); - if (!commit || parse_commit(commit)) - die("could not parse HEAD commit"); - return !!(commit->parents && commit->parents->next); -} - static const char commit_utf8_warn[] = "Warning: commit message does not conform to UTF-8.\n" "You may want to amend it after fixing the message, or set the config\n" @@ -800,34 +836,14 @@ int cmd_commit(int argc, const char **argv, const char *prefix) index_file = prepare_index(argc, argv, prefix); - if (!no_verify && run_hook(index_file, "pre-commit", NULL)) { - rollback_index_files(); - return 1; - } - - if (!prepare_log_message(index_file, prefix) && !in_merge && - !allow_empty && !(amend && is_a_merge(head_sha1))) { - run_status(stdout, index_file, prefix, 0); + /* Set up everything for writing the commit object. This includes + running hooks, writing the trees, and interacting with the user. */ + if (!prepare_to_commit(index_file, prefix)) { rollback_index_files(); - unlink(commit_editmsg); return 1; } /* - * Re-read the index as pre-commit hook could have updated it, - * and write it out as a tree. - */ - discard_cache(); - read_cache_from(index_file); - if (!active_cache_tree) - active_cache_tree = cache_tree(); - if (cache_tree_update(active_cache_tree, - active_cache, active_nr, 0, 0) < 0) { - rollback_index_files(); - die("Error building trees"); - } - - /* * The commit object */ strbuf_init(&sb, 0); @@ -878,19 +894,8 @@ int cmd_commit(int argc, const char **argv, const char *prefix) strbuf_addf(&sb, "encoding %s\n", git_commit_encoding); strbuf_addch(&sb, '\n'); - /* Get the commit message and validate it */ + /* Finally, get the commit message */ header_len = sb.len; - if (use_editor) { - char index[PATH_MAX]; - const char *env[2] = { index, NULL }; - snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", index_file); - launch_editor(git_path(commit_editmsg), NULL, env); - } - if (!no_verify && - run_hook(index_file, "commit-msg", git_path(commit_editmsg), NULL)) { - rollback_index_files(); - exit(1); - } if (strbuf_read_file(&sb, git_path(commit_editmsg), 0) < 0) { rollback_index_files(); die("could not read commit message"); diff --git a/t/t7502-commit.sh b/t/t7502-commit.sh index aaf497e6a5..b780fddc08 100755 --- a/t/t7502-commit.sh +++ b/t/t7502-commit.sh @@ -154,4 +154,33 @@ test_expect_success 'cleanup commit messages (strip,-F,-e)' ' ' +pwd=`pwd` +cat >> .git/FAKE_EDITOR << EOF +#! /bin/sh +echo editor started > "$pwd/.git/result" +exit 0 +EOF +chmod +x .git/FAKE_EDITOR + +test_expect_success 'do not fire editor in the presence of conflicts' ' + + git clean + echo f>g + git add g + git commit -myes + git branch second + echo master>g + echo g>h + git add g h + git commit -mmaster + git checkout second + echo second>g + git add g + git commit -msecond + git cherry-pick -n master + echo "editor not started" > .git/result + GIT_EDITOR=`pwd`/.git/FAKE_EDITOR git commit && exit 1 # should fail + test "`cat .git/result`" = "editor not started" +' + test_done |