From ce36894509bac4c03fd524fc668b1e43d6e56ee1 Mon Sep 17 00:00:00 2001 From: Junio C Hamano Date: Tue, 23 Apr 2024 10:52:34 -0700 Subject: format-patch: "--rfc=-(WIP)" appends to produce [PATCH (WIP)] In the previous step, the "--rfc" option of "format-patch" learned to take an optional string value to prepend to the subject prefix, so that --rfc=WIP can give "[WIP PATCH]". There may be cases in which the extra string wants to come after the subject prefix. Extend the mechanism to allow "--rfc=-(WIP)" [*] to signal that the extra string is to be appended instead of getting prepended, resulting in "[PATCH (WIP)]". In the documentation, discourage (ab)using "--rfc=-RFC" to say "[PATCH RFC]" just to be different, when "[RFC PATCH]" is the norm. [Footnote] * The syntax takes inspiration from Perl's open syntax that opens pipes "open fh, '|-', 'cmd'", where the dash signals "the other stuff comes here". Signed-off-by: Junio C Hamano --- Documentation/git-format-patch.txt | 6 ++++++ builtin/log.c | 8 ++++++-- t/t4014-format-patch.sh | 9 +++++++++ 3 files changed, 21 insertions(+), 2 deletions(-) diff --git a/Documentation/git-format-patch.txt b/Documentation/git-format-patch.txt index e553810b1e..369af2c4a7 100644 --- a/Documentation/git-format-patch.txt +++ b/Documentation/git-format-patch.txt @@ -247,6 +247,12 @@ RFC means "Request For Comments"; use this when sending an experimental patch for discussion rather than application. "--rfc=WIP" may also be a useful way to indicate that a patch is not complete yet ("WIP" stands for "Work In Progress"). ++ +If the convention of the receiving community for a particular extra +string is to have it _after_ the subject prefix, the string __ +can be prefixed with a dash ("`-`") to signal that the the rest of +the __ string should be appended to the subject prefix instead, +e.g., `--rfc='-(WIP)'` results in "PATCH (WIP)". -v :: --reroll-count=:: diff --git a/builtin/log.c b/builtin/log.c index 97ca885b33..4750e480e6 100644 --- a/builtin/log.c +++ b/builtin/log.c @@ -2065,8 +2065,12 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) if (cover_from_description_arg) cover_from_description_mode = parse_cover_from_description(cover_from_description_arg); - if (rfc && rfc[0]) - strbuf_insertf(&sprefix, 0, "%s ", rfc); + if (rfc && rfc[0]) { + if (rfc[0] == '-') + strbuf_addf(&sprefix, " %s", rfc + 1); + else + strbuf_insertf(&sprefix, 0, "%s ", rfc); + } if (reroll_count) { strbuf_addf(&sprefix, " v%s", reroll_count); diff --git a/t/t4014-format-patch.sh b/t/t4014-format-patch.sh index 645c4189f9..fcbde15b16 100755 --- a/t/t4014-format-patch.sh +++ b/t/t4014-format-patch.sh @@ -1394,6 +1394,15 @@ test_expect_success '--rfc=WIP and --rfc=' ' test_cmp expect-raw actual ' +test_expect_success '--rfc=-(WIP) appends' ' + cat >expect <<-\EOF && + Subject: [PATCH (WIP) 1/1] header with . in it + EOF + git format-patch -n -1 --stdout --rfc="-(WIP)" >patch && + grep "^Subject:" patch >actual && + test_cmp expect actual +' + test_expect_success '--rfc does not overwrite prefix' ' cat >expect <<-\EOF && Subject: [RFC PATCH foobar 1/1] header with . in it -- cgit 1.2.3-korg