diff options
| -rw-r--r-- | Documentation/git-format-patch.txt | 20 | ||||
| -rw-r--r-- | builtin-log.c | 232 | ||||
| -rwxr-xr-x | t/t4013-diff-various.sh | 1 | ||||
| -rw-r--r-- | t/t4013/diff.format-patch_--stdout_--cover-letter_-n_initial..master^ | 100 | ||||
| -rwxr-xr-x | t/t4014-format-patch.sh | 26 |
5 files changed, 314 insertions, 65 deletions
diff --git a/Documentation/git-format-patch.txt b/Documentation/git-format-patch.txt index 651efe6ca1..b27bb9476d 100644 --- a/Documentation/git-format-patch.txt +++ b/Documentation/git-format-patch.txt @@ -10,13 +10,14 @@ SYNOPSIS -------- [verse] 'git-format-patch' [-k] [-o <dir> | --stdout] [--thread] - [--attach[=<boundary>] | --inline[=<boundary>]] - [-s | --signoff] [<common diff options>] - [-n | --numbered | -N | --no-numbered] - [--start-number <n>] [--numbered-files] - [--in-reply-to=Message-Id] [--suffix=.<sfx>] - [--ignore-if-in-upstream] - [--subject-prefix=Subject-Prefix] + [--attach[=<boundary>] | --inline[=<boundary>]] + [-s | --signoff] [<common diff options>] + [-n | --numbered | -N | --no-numbered] + [--start-number <n>] [--numbered-files] + [--in-reply-to=Message-Id] [--suffix=.<sfx>] + [--ignore-if-in-upstream] + [--subject-prefix=Subject-Prefix] + [--cover-letter] [ <since> | <revision range> ] DESCRIPTION @@ -135,6 +136,11 @@ include::diff-options.txt[] allows for useful naming of a patch series, and can be combined with the --numbered option. +--cover-letter:: + Generate a cover letter template. You still have to fill in + a description, but the shortlog and the diffstat will be + generated for you. + --suffix=.<sfx>:: Instead of using `.patch` as the suffix for generated filenames, use specified suffix. A common alternative is diff --git a/builtin-log.c b/builtin-log.c index 4f08ca40aa..3dc765011c 100644 --- a/builtin-log.c +++ b/builtin-log.c @@ -14,6 +14,7 @@ #include "reflog-walk.h" #include "patch-ids.h" #include "refs.h" +#include "run-command.h" static int default_show_root = 1; static const char *fmt_patch_subject_prefix = "PATCH"; @@ -452,74 +453,81 @@ static int git_format_config(const char *var, const char *value) } +static const char *get_oneline_for_filename(struct commit *commit, + int keep_subject) +{ + static char filename[PATH_MAX]; + char *sol; + int len = 0; + int suffix_len = strlen(fmt_patch_suffix) + 1; + + sol = strstr(commit->buffer, "\n\n"); + if (!sol) + filename[0] = '\0'; + else { + int j, space = 0; + + sol += 2; + /* strip [PATCH] or [PATCH blabla] */ + if (!keep_subject && !prefixcmp(sol, "[PATCH")) { + char *eos = strchr(sol + 6, ']'); + if (eos) { + while (isspace(*eos)) + eos++; + sol = eos; + } + } + + for (j = 0; + j < FORMAT_PATCH_NAME_MAX - suffix_len - 5 && + len < sizeof(filename) - suffix_len && + sol[j] && sol[j] != '\n'; + j++) { + if (istitlechar(sol[j])) { + if (space) { + filename[len++] = '-'; + space = 0; + } + filename[len++] = sol[j]; + if (sol[j] == '.') + while (sol[j + 1] == '.') + j++; + } else + space = 1; + } + while (filename[len - 1] == '.' + || filename[len - 1] == '-') + len--; + filename[len] = '\0'; + } + return filename; +} + static FILE *realstdout = NULL; static const char *output_directory = NULL; -static int reopen_stdout(struct commit *commit, int nr, int keep_subject, - int numbered_files) +static int reopen_stdout(const char *oneline, int nr, int total) { char filename[PATH_MAX]; - char *sol; int len = 0; int suffix_len = strlen(fmt_patch_suffix) + 1; if (output_directory) { - if (strlen(output_directory) >= + len = snprintf(filename, sizeof(filename), "%s", + output_directory); + if (len >= sizeof(filename) - FORMAT_PATCH_NAME_MAX - suffix_len) return error("name of output directory is too long"); - strlcpy(filename, output_directory, sizeof(filename) - suffix_len); - len = strlen(filename); if (filename[len - 1] != '/') filename[len++] = '/'; } - if (numbered_files) { - sprintf(filename + len, "%d", nr); - len = strlen(filename); - - } else { - sprintf(filename + len, "%04d", nr); - len = strlen(filename); - - sol = strstr(commit->buffer, "\n\n"); - if (sol) { - int j, space = 1; - - sol += 2; - /* strip [PATCH] or [PATCH blabla] */ - if (!keep_subject && !prefixcmp(sol, "[PATCH")) { - char *eos = strchr(sol + 6, ']'); - if (eos) { - while (isspace(*eos)) - eos++; - sol = eos; - } - } - - for (j = 0; - j < FORMAT_PATCH_NAME_MAX - suffix_len - 5 && - len < sizeof(filename) - suffix_len && - sol[j] && sol[j] != '\n'; - j++) { - if (istitlechar(sol[j])) { - if (space) { - filename[len++] = '-'; - space = 0; - } - filename[len++] = sol[j]; - if (sol[j] == '.') - while (sol[j + 1] == '.') - j++; - } else - space = 1; - } - while (filename[len - 1] == '.' - || filename[len - 1] == '-') - len--; - filename[len] = 0; - } - if (len + suffix_len >= sizeof(filename)) - return error("Patch pathname too long"); + if (!oneline) + len += sprintf(filename + len, "%d", nr); + else { + len += sprintf(filename + len, "%04d-", nr); + len += snprintf(filename + len, sizeof(filename) - len - 1 + - suffix_len, "%s", oneline); strcpy(filename + len, fmt_patch_suffix); } @@ -590,6 +598,76 @@ static void gen_message_id(struct rev_info *info, char *base) info->message_id = strbuf_detach(&buf, NULL); } +static void make_cover_letter(struct rev_info *rev, + int use_stdout, int numbered, int numbered_files, + struct commit *origin, struct commit *head) +{ + const char *committer; + const char *origin_sha1, *head_sha1; + const char *argv[7]; + const char *subject_start = NULL; + const char *body = "*** SUBJECT HERE ***\n\n*** BLURB HERE ***\n"; + const char *msg; + const char *extra_headers = rev->extra_headers; + struct strbuf sb; + const char *encoding = "utf-8"; + + if (rev->commit_format != CMIT_FMT_EMAIL) + die("Cover letter needs email format"); + + if (!use_stdout && reopen_stdout(numbered_files ? + NULL : "cover-letter", 0, rev->total)) + return; + + origin_sha1 = sha1_to_hex(origin ? origin->object.sha1 : null_sha1); + head_sha1 = sha1_to_hex(head->object.sha1); + + log_write_email_headers(rev, head_sha1, &subject_start, &extra_headers); + + committer = git_committer_info(0); + + msg = body; + strbuf_init(&sb, 0); + pp_user_info(NULL, CMIT_FMT_EMAIL, &sb, committer, DATE_RFC2822, + encoding); + pp_title_line(CMIT_FMT_EMAIL, &msg, &sb, subject_start, extra_headers, + encoding, 0); + pp_remainder(CMIT_FMT_EMAIL, &msg, &sb, 0); + printf("%s\n", sb.buf); + + strbuf_release(&sb); + + /* + * We can only do diffstat with a unique reference point, and + * log is a bit tricky, so just skip it. + */ + if (!origin) + return; + + argv[0] = "shortlog"; + argv[1] = head_sha1; + argv[2] = "--not"; + argv[3] = origin_sha1; + argv[4] = "--"; + argv[5] = NULL; + fflush(stdout); + run_command_v_opt(argv, RUN_GIT_CMD); + + argv[0] = "diff"; + argv[1] = "--stat"; + argv[2] = "--summary"; + argv[3] = head_sha1; + argv[4] = "--not"; + argv[5] = origin_sha1; + argv[6] = "--"; + argv[7] = NULL; + fflush(stdout); + run_command_v_opt(argv, RUN_GIT_CMD); + + fflush(stdout); + printf("\n"); +} + static const char *clean_message_id(const char *msg_id) { char ch; @@ -625,6 +703,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) int subject_prefix = 0; int ignore_if_in_upstream = 0; int thread = 0; + int cover_letter = 0; + struct commit *origin = NULL, *head = NULL; const char *in_reply_to = NULL; struct patch_ids ids; char *add_signoff = NULL; @@ -724,6 +804,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) rev.subject_prefix = argv[i] + 17; } else if (!prefixcmp(argv[i], "--suffix=")) fmt_patch_suffix = argv[i] + 9; + else if (!strcmp(argv[i], "--cover-letter")) + cover_letter = 1; else argv[j++] = argv[i]; } @@ -775,6 +857,25 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) * get_revision() to do the usual traversal. */ } + if (cover_letter) { + /* remember the range */ + int negative_count = 0; + int i; + for (i = 0; i < rev.pending.nr; i++) { + struct object *o = rev.pending.objects[i].item; + if (o->flags & UNINTERESTING) { + origin = (struct commit *)o; + negative_count++; + } else + head = (struct commit *)o; + } + /* Multiple origins don't work for diffstat. */ + if (negative_count > 1) + origin = NULL; + /* We can't generate a cover letter without any patches */ + if (!head) + return 0; + } if (ignore_if_in_upstream) get_patch_ids(&rev, &ids, prefix); @@ -801,16 +902,31 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) numbered = 1; if (numbered) rev.total = total + start_number - 1; - rev.add_signoff = add_signoff; if (in_reply_to) rev.ref_message_id = clean_message_id(in_reply_to); + if (cover_letter) { + if (thread) + gen_message_id(&rev, "cover"); + make_cover_letter(&rev, use_stdout, numbered, numbered_files, + origin, head); + total++; + start_number--; + } + rev.add_signoff = add_signoff; while (0 <= --nr) { int shown; commit = list[nr]; rev.nr = total - nr + (start_number - 1); /* Make the second and subsequent mails replies to the first */ if (thread) { + /* Have we already had a message ID? */ if (rev.message_id) { + /* + * If we've got the ID to be a reply + * to, discard the current ID; + * otherwise, make everything a reply + * to that. + */ if (rev.ref_message_id) free(rev.message_id); else @@ -818,10 +934,10 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) } gen_message_id(&rev, sha1_to_hex(commit->object.sha1)); } - if (!use_stdout) - if (reopen_stdout(commit, rev.nr, keep_subject, - numbered_files)) - die("Failed to create output files"); + if (!use_stdout && reopen_stdout(numbered_files ? NULL : + get_oneline_for_filename(commit, keep_subject), + rev.nr, rev.total)) + die("Failed to create output files"); shown = log_tree_commit(&rev, commit); free(commit->buffer); commit->buffer = NULL; diff --git a/t/t4013-diff-various.sh b/t/t4013-diff-various.sh index 9eec754221..6b4d1c52bb 100755 --- a/t/t4013-diff-various.sh +++ b/t/t4013-diff-various.sh @@ -245,6 +245,7 @@ format-patch --inline --stdout initial..master format-patch --inline --stdout --subject-prefix=TESTCASE initial..master config format.subjectprefix DIFFERENT_PREFIX format-patch --inline --stdout initial..master^^ +format-patch --stdout --cover-letter -n initial..master^ diff --abbrev initial..side diff -r initial..side diff --git a/t/t4013/diff.format-patch_--stdout_--cover-letter_-n_initial..master^ b/t/t4013/diff.format-patch_--stdout_--cover-letter_-n_initial..master^ new file mode 100644 index 0000000000..0151453b73 --- /dev/null +++ b/t/t4013/diff.format-patch_--stdout_--cover-letter_-n_initial..master^ @@ -0,0 +1,100 @@ +$ git format-patch --stdout --cover-letter -n initial..master^ +From 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0 Mon Sep 17 00:00:00 2001 +From: C O Mitter <committer@example.com> +Date: Mon, 26 Jun 2006 00:05:00 +0000 +Subject: [DIFFERENT_PREFIX 0/2] *** SUBJECT HERE *** + +*** BLURB HERE *** + +A U Thor (2): + Second + Third + + dir/sub | 4 ++++ + file0 | 3 +++ + file1 | 3 +++ + file2 | 3 --- + 4 files changed, 10 insertions(+), 3 deletions(-) + create mode 100644 file1 + delete mode 100644 file2 + +From 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44 Mon Sep 17 00:00:00 2001 +From: A U Thor <author@example.com> +Date: Mon, 26 Jun 2006 00:01:00 +0000 +Subject: [DIFFERENT_PREFIX 1/2] Second + +This is the second commit. +--- + dir/sub | 2 ++ + file0 | 3 +++ + file2 | 3 --- + 3 files changed, 5 insertions(+), 3 deletions(-) + delete mode 100644 file2 + +diff --git a/dir/sub b/dir/sub +index 35d242b..8422d40 100644 +--- a/dir/sub ++++ b/dir/sub +@@ -1,2 +1,4 @@ + A + B ++C ++D +diff --git a/file0 b/file0 +index 01e79c3..b414108 100644 +--- a/file0 ++++ b/file0 +@@ -1,3 +1,6 @@ + 1 + 2 + 3 ++4 ++5 ++6 +diff --git a/file2 b/file2 +deleted file mode 100644 +index 01e79c3..0000000 +--- a/file2 ++++ /dev/null +@@ -1,3 +0,0 @@ +-1 +-2 +-3 +-- +g-i-t--v-e-r-s-i-o-n + + +From 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0 Mon Sep 17 00:00:00 2001 +From: A U Thor <author@example.com> +Date: Mon, 26 Jun 2006 00:02:00 +0000 +Subject: [DIFFERENT_PREFIX 2/2] Third + +--- + dir/sub | 2 ++ + file1 | 3 +++ + 2 files changed, 5 insertions(+), 0 deletions(-) + create mode 100644 file1 + +diff --git a/dir/sub b/dir/sub +index 8422d40..cead32e 100644 +--- a/dir/sub ++++ b/dir/sub +@@ -2,3 +2,5 @@ A + B + C + D ++E ++F +diff --git a/file1 b/file1 +new file mode 100644 +index 0000000..b1e6722 +--- /dev/null ++++ b/file1 +@@ -0,0 +1,3 @@ ++A ++B ++C +-- +g-i-t--v-e-r-s-i-o-n + +$ diff --git a/t/t4014-format-patch.sh b/t/t4014-format-patch.sh index 6e8b5f4516..ac78752067 100755 --- a/t/t4014-format-patch.sh +++ b/t/t4014-format-patch.sh @@ -122,6 +122,32 @@ test_expect_success 'thread in-reply-to' ' done ' +test_expect_success 'thread cover-letter' ' + + rm -rf patches/ && + git checkout side && + git format-patch --cover-letter --thread -o patches/ master && + FIRST_MID=$(grep "Message-Id:" patches/0000-* | sed "s/^[^<]*\(<[^>]*>\).*$/\1/") && + for i in patches/0001-* patches/0002-* patches/0003-* + do + grep "References: $FIRST_MID" $i && + grep "In-Reply-To: $FIRST_MID" $i + done +' + +test_expect_success 'thread cover-letter in-reply-to' ' + + rm -rf patches/ && + git checkout side && + git format-patch --cover-letter --in-reply-to="<test.message>" --thread -o patches/ master && + FIRST_MID="<test.message>" && + for i in patches/* + do + grep "References: $FIRST_MID" $i && + grep "In-Reply-To: $FIRST_MID" $i + done +' + test_expect_success 'excessive subject' ' rm -rf patches/ && |