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format-patch: teach --cover-from-description option
Before, when format-patch generated a cover letter, only the body would be populated with a branch's description while the subject would be populated with placeholder text. However, users may want to have the subject of their cover letter automatically populated in the same way. Teach format-patch to accept the `--cover-from-description` option and corresponding `format.coverFromDescription` config, allowing users to populate different parts of the cover letter (including the subject now). Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Denton Liu
Junio C Hamano
parent
a92331df18
commit
bf8e65b30b
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@ -36,6 +36,12 @@ format.subjectPrefix::
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The default for format-patch is to output files with the '[PATCH]'
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subject prefix. Use this variable to change that prefix.
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format.coverFromDescription::
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The default mode for format-patch to determine which parts of
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the cover letter will be populated using the branch's
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description. See the `--cover-from-description` option in
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linkgit:git-format-patch[1].
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format.signature::
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The default for format-patch is to output a signature containing
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the Git version number. Use this variable to change that default.
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@ -19,6 +19,7 @@ SYNOPSIS
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[--start-number <n>] [--numbered-files]
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[--in-reply-to=<message id>] [--suffix=.<sfx>]
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[--ignore-if-in-upstream]
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[--cover-from-description=<mode>]
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[--rfc] [--subject-prefix=<subject prefix>]
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[(--reroll-count|-v) <n>]
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[--to=<email>] [--cc=<email>]
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@ -171,6 +172,26 @@ will want to ensure that threading is disabled for `git send-email`.
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patches being generated, and any patch that matches is
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ignored.
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--cover-from-description=<mode>::
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Controls which parts of the cover letter will be automatically
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populated using the branch's description.
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+
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If `<mode>` is `message` or `default`, the cover letter subject will be
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populated with placeholder text. The body of the cover letter will be
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populated with the branch's description. This is the default mode when
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no configuration nor command line option is specified.
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+
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If `<mode>` is `subject`, the first paragraph of the branch description will
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populate the cover letter subject. The remainder of the description will
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populate the body of the cover letter.
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+
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If `<mode>` is `auto`, if the first paragraph of the branch description
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is greater than 100 bytes, then the mode will be `message`, otherwise
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`subject` will be used.
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+
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If `<mode>` is `none`, both the cover letter subject and body will be
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populated with placeholder text.
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--subject-prefix=<subject prefix>::
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Instead of the standard '[PATCH]' prefix in the subject
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line, instead use '[<subject prefix>]'. This
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@ -347,6 +368,7 @@ with configuration variables.
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signOff = true
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outputDirectory = <directory>
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coverLetter = auto
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coverFromDescription = auto
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------------
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@ -37,6 +37,7 @@
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#include "range-diff.h"
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#define MAIL_DEFAULT_WRAP 72
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#define COVER_FROM_AUTO_MAX_SUBJECT_LEN 100
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/* Set a default date-time format for git log ("log.date" config variable) */
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static const char *default_date_mode = NULL;
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@ -777,6 +778,13 @@ enum thread_level {
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THREAD_DEEP
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};
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enum cover_from_description {
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COVER_FROM_NONE,
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COVER_FROM_MESSAGE,
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COVER_FROM_SUBJECT,
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COVER_FROM_AUTO
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};
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static enum thread_level thread;
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static int do_signoff;
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static int base_auto;
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@ -785,6 +793,23 @@ static const char *signature = git_version_string;
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static const char *signature_file;
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static enum cover_setting config_cover_letter;
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static const char *config_output_directory;
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static enum cover_from_description cover_from_description_mode = COVER_FROM_MESSAGE;
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static enum cover_from_description parse_cover_from_description(const char *arg)
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{
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if (!arg || !strcmp(arg, "default"))
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return COVER_FROM_MESSAGE;
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else if (!strcmp(arg, "none"))
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return COVER_FROM_NONE;
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else if (!strcmp(arg, "message"))
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return COVER_FROM_MESSAGE;
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else if (!strcmp(arg, "subject"))
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return COVER_FROM_SUBJECT;
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else if (!strcmp(arg, "auto"))
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return COVER_FROM_AUTO;
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else
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die(_("%s: invalid cover from description mode"), arg);
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}
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static int git_format_config(const char *var, const char *value, void *cb)
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{
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@ -891,6 +916,10 @@ static int git_format_config(const char *var, const char *value, void *cb)
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}
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return 0;
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}
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if (!strcmp(var, "format.coverfromdescription")) {
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cover_from_description_mode = parse_cover_from_description(value);
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return 0;
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}
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return git_log_config(var, value, cb);
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}
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@ -997,20 +1026,6 @@ static void print_signature(FILE *file)
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putc('\n', file);
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}
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static void add_branch_description(struct strbuf *buf, const char *branch_name)
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{
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struct strbuf desc = STRBUF_INIT;
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if (!branch_name || !*branch_name)
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return;
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read_branch_desc(&desc, branch_name);
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if (desc.len) {
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strbuf_addch(buf, '\n');
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strbuf_addbuf(buf, &desc);
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strbuf_addch(buf, '\n');
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}
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strbuf_release(&desc);
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}
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static char *find_branch_name(struct rev_info *rev)
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{
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int i, positive = -1;
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@ -1057,6 +1072,44 @@ static void show_diffstat(struct rev_info *rev,
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fprintf(rev->diffopt.file, "\n");
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}
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static void prepare_cover_text(struct pretty_print_context *pp,
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const char *branch_name,
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struct strbuf *sb,
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const char *encoding,
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int need_8bit_cte)
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{
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const char *subject = "*** SUBJECT HERE ***";
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const char *body = "*** BLURB HERE ***";
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struct strbuf description_sb = STRBUF_INIT;
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struct strbuf subject_sb = STRBUF_INIT;
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if (cover_from_description_mode == COVER_FROM_NONE)
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goto do_pp;
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if (branch_name && *branch_name)
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read_branch_desc(&description_sb, branch_name);
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if (!description_sb.len)
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goto do_pp;
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if (cover_from_description_mode == COVER_FROM_SUBJECT ||
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cover_from_description_mode == COVER_FROM_AUTO)
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body = format_subject(&subject_sb, description_sb.buf, " ");
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if (cover_from_description_mode == COVER_FROM_MESSAGE ||
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(cover_from_description_mode == COVER_FROM_AUTO &&
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subject_sb.len > COVER_FROM_AUTO_MAX_SUBJECT_LEN))
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body = description_sb.buf;
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else
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subject = subject_sb.buf;
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do_pp:
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pp_title_line(pp, &subject, sb, encoding, need_8bit_cte);
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pp_remainder(pp, &body, sb, 0);
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strbuf_release(&description_sb);
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strbuf_release(&subject_sb);
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}
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static void make_cover_letter(struct rev_info *rev, int use_stdout,
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struct commit *origin,
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int nr, struct commit **list,
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@ -1064,8 +1117,6 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout,
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int quiet)
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{
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const char *committer;
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const char *body = "*** SUBJECT HERE ***\n\n*** BLURB HERE ***\n";
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const char *msg;
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struct shortlog log;
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struct strbuf sb = STRBUF_INIT;
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int i;
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@ -1095,15 +1146,12 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout,
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if (!branch_name)
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branch_name = find_branch_name(rev);
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msg = body;
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pp.fmt = CMIT_FMT_EMAIL;
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pp.date_mode.type = DATE_RFC2822;
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pp.rev = rev;
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pp.print_email_subject = 1;
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pp_user_info(&pp, NULL, &sb, committer, encoding);
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pp_title_line(&pp, &msg, &sb, encoding, need_8bit_cte);
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pp_remainder(&pp, &msg, &sb, 0);
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add_branch_description(&sb, branch_name);
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prepare_cover_text(&pp, branch_name, &sb, encoding, need_8bit_cte);
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fprintf(rev->diffopt.file, "%s\n", sb.buf);
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strbuf_release(&sb);
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@ -1545,6 +1593,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
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int use_patch_format = 0;
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int quiet = 0;
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int reroll_count = -1;
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char *cover_from_description_arg = NULL;
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char *branch_name = NULL;
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char *base_commit = NULL;
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struct base_tree_info bases;
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@ -1581,6 +1630,9 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
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{ OPTION_CALLBACK, 0, "rfc", &rev, NULL,
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N_("Use [RFC PATCH] instead of [PATCH]"),
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PARSE_OPT_NOARG | PARSE_OPT_NONEG, rfc_callback },
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OPT_STRING(0, "cover-from-description", &cover_from_description_arg,
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N_("cover-from-description-mode"),
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N_("generate parts of a cover letter based on a branch's description")),
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{ OPTION_CALLBACK, 0, "subject-prefix", &rev, N_("prefix"),
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N_("Use [<prefix>] instead of [PATCH]"),
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PARSE_OPT_NONEG, subject_prefix_callback },
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@ -1672,6 +1724,9 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
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PARSE_OPT_KEEP_ARGV0 | PARSE_OPT_KEEP_UNKNOWN |
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PARSE_OPT_KEEP_DASHDASH);
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if (cover_from_description_arg)
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cover_from_description_mode = parse_cover_from_description(cover_from_description_arg);
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if (0 < reroll_count) {
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struct strbuf sprefix = STRBUF_INIT;
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strbuf_addf(&sprefix, "%s v%d",
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@ -1517,6 +1517,178 @@ test_expect_success 'format patch ignores color.ui' '
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test_cmp expect actual
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'
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test_expect_success 'cover letter with invalid --cover-from-description and config' '
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test_config branch.rebuild-1.description "config subject
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body" &&
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test_must_fail git format-patch --cover-letter --cover-from-description garbage master &&
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test_config format.coverFromDescription garbage &&
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test_must_fail git format-patch --cover-letter master
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'
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test_expect_success 'cover letter with format.coverFromDescription = default' '
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test_config branch.rebuild-1.description "config subject
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body" &&
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test_config format.coverFromDescription default &&
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git checkout rebuild-1 &&
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git format-patch --stdout --cover-letter master >actual &&
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grep "^Subject: \[PATCH 0/2\] \*\*\* SUBJECT HERE \*\*\*$" actual &&
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! grep "^\*\*\* BLURB HERE \*\*\*$" actual &&
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grep "^config subject$" actual &&
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grep "^body$" actual
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'
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test_expect_success 'cover letter with --cover-from-description default' '
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test_config branch.rebuild-1.description "config subject
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body" &&
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git checkout rebuild-1 &&
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git format-patch --stdout --cover-letter --cover-from-description default master >actual &&
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grep "^Subject: \[PATCH 0/2\] \*\*\* SUBJECT HERE \*\*\*$" actual &&
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! grep "^\*\*\* BLURB HERE \*\*\*$" actual &&
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grep "^config subject$" actual &&
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grep "^body$" actual
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'
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test_expect_success 'cover letter with format.coverFromDescription = none' '
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test_config branch.rebuild-1.description "config subject
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body" &&
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test_config format.coverFromDescription none &&
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git checkout rebuild-1 &&
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git format-patch --stdout --cover-letter master >actual &&
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grep "^Subject: \[PATCH 0/2\] \*\*\* SUBJECT HERE \*\*\*$" actual &&
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grep "^\*\*\* BLURB HERE \*\*\*$" actual &&
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! grep "^config subject$" actual &&
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! grep "^body$" actual
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'
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test_expect_success 'cover letter with --cover-from-description none' '
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test_config branch.rebuild-1.description "config subject
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body" &&
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git checkout rebuild-1 &&
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git format-patch --stdout --cover-letter --cover-from-description none master >actual &&
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grep "^Subject: \[PATCH 0/2\] \*\*\* SUBJECT HERE \*\*\*$" actual &&
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grep "^\*\*\* BLURB HERE \*\*\*$" actual &&
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! grep "^config subject$" actual &&
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! grep "^body$" actual
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'
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test_expect_success 'cover letter with format.coverFromDescription = message' '
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test_config branch.rebuild-1.description "config subject
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body" &&
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test_config format.coverFromDescription message &&
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git checkout rebuild-1 &&
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git format-patch --stdout --cover-letter master >actual &&
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grep "^Subject: \[PATCH 0/2\] \*\*\* SUBJECT HERE \*\*\*$" actual &&
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! grep "^\*\*\* BLURB HERE \*\*\*$" actual &&
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grep "^config subject$" actual &&
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grep "^body$" actual
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'
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test_expect_success 'cover letter with --cover-from-description message' '
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test_config branch.rebuild-1.description "config subject
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body" &&
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git checkout rebuild-1 &&
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git format-patch --stdout --cover-letter --cover-from-description message master >actual &&
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grep "^Subject: \[PATCH 0/2\] \*\*\* SUBJECT HERE \*\*\*$" actual &&
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! grep "^\*\*\* BLURB HERE \*\*\*$" actual &&
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grep "^config subject$" actual &&
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grep "^body$" actual
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'
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test_expect_success 'cover letter with format.coverFromDescription = subject' '
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test_config branch.rebuild-1.description "config subject
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body" &&
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test_config format.coverFromDescription subject &&
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git checkout rebuild-1 &&
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git format-patch --stdout --cover-letter master >actual &&
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grep "^Subject: \[PATCH 0/2\] config subject$" actual &&
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! grep "^\*\*\* BLURB HERE \*\*\*$" actual &&
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! grep "^config subject$" actual &&
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grep "^body$" actual
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'
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test_expect_success 'cover letter with --cover-from-description subject' '
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test_config branch.rebuild-1.description "config subject
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body" &&
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git checkout rebuild-1 &&
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git format-patch --stdout --cover-letter --cover-from-description subject master >actual &&
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grep "^Subject: \[PATCH 0/2\] config subject$" actual &&
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! grep "^\*\*\* BLURB HERE \*\*\*$" actual &&
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! grep "^config subject$" actual &&
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grep "^body$" actual
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'
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test_expect_success 'cover letter with format.coverFromDescription = auto (short subject line)' '
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test_config branch.rebuild-1.description "config subject
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body" &&
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test_config format.coverFromDescription auto &&
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git checkout rebuild-1 &&
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git format-patch --stdout --cover-letter master >actual &&
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grep "^Subject: \[PATCH 0/2\] config subject$" actual &&
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! grep "^\*\*\* BLURB HERE \*\*\*$" actual &&
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! grep "^config subject$" actual &&
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grep "^body$" actual
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'
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test_expect_success 'cover letter with --cover-from-description auto (short subject line)' '
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test_config branch.rebuild-1.description "config subject
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body" &&
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git checkout rebuild-1 &&
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git format-patch --stdout --cover-letter --cover-from-description auto master >actual &&
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grep "^Subject: \[PATCH 0/2\] config subject$" actual &&
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! grep "^\*\*\* BLURB HERE \*\*\*$" actual &&
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! grep "^config subject$" actual &&
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grep "^body$" actual
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'
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test_expect_success 'cover letter with format.coverFromDescription = auto (long subject line)' '
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test_config branch.rebuild-1.description "this is a really long first line and it is over 100 characters long which is the threshold for long subjects
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body" &&
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test_config format.coverFromDescription auto &&
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git checkout rebuild-1 &&
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git format-patch --stdout --cover-letter master >actual &&
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grep "^Subject: \[PATCH 0/2\] \*\*\* SUBJECT HERE \*\*\*$" actual &&
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! grep "^\*\*\* BLURB HERE \*\*\*$" actual &&
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grep "^this is a really long first line and it is over 100 characters long which is the threshold for long subjects$" actual &&
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grep "^body$" actual
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'
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test_expect_success 'cover letter with --cover-from-description auto (long subject line)' '
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test_config branch.rebuild-1.description "this is a really long first line and it is over 100 characters long which is the threshold for long subjects
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body" &&
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git checkout rebuild-1 &&
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git format-patch --stdout --cover-letter --cover-from-description auto master >actual &&
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grep "^Subject: \[PATCH 0/2\] \*\*\* SUBJECT HERE \*\*\*$" actual &&
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! grep "^\*\*\* BLURB HERE \*\*\*$" actual &&
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grep "^this is a really long first line and it is over 100 characters long which is the threshold for long subjects$" actual &&
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grep "^body$" actual
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'
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test_expect_success 'cover letter with command-line --cover-from-description overrides config' '
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test_config branch.rebuild-1.description "config subject
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body" &&
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test_config format.coverFromDescription none &&
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git checkout rebuild-1 &&
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git format-patch --stdout --cover-letter --cover-from-description subject master >actual &&
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grep "^Subject: \[PATCH 0/2\] config subject$" actual &&
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! grep "^\*\*\* BLURB HERE \*\*\*$" actual &&
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! grep "^config subject$" actual &&
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grep "^body$" actual
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'
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test_expect_success 'cover letter using branch description (1)' '
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git checkout rebuild-1 &&
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test_config branch.rebuild-1.description hello &&
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|
|
|
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|
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@ -1548,7 +1548,10 @@ test_expect_success 'complete tree filename with metacharacters' '
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'
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test_expect_success PERL 'send-email' '
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test_completion "git send-email --cov" "--cover-letter " &&
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test_completion "git send-email --cov" <<-\EOF &&
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--cover-from-description=Z
|
||||
--cover-letter Z
|
||||
EOF
|
||||
test_completion "git send-email ma" "master "
|
||||
'
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user