patchgit-format-patch: add a new format.cc configuration variable

Documentation/git-format-patch.txt, builtin-log.c

diff --git a/Documentation/git-format-patch.txt b/Documentation/git-format-patch.txt
index b5207b7..b2bdcb2 100644
--- a/Documentation/git-format-patch.txt
+++ b/Documentation/git-format-patch.txt
@@ -168,6 +168,7 @@ and file suffix, and number patches when outputting more than one.
         subjectprefix = CHANGE
         suffix = .txt
         numbered = auto
+        cc = <email>
 ------------
 
 
diff --git a/builtin-log.c b/builtin-log.c
index 1670d0b..d7907c9 100644
--- a/builtin-log.c
+++ b/builtin-log.c
@@ -485,6 +485,13 @@ static int git_format_config(const char *var, const char *value)
 		fmt_patch_suffix = xstrdup(value);
 		return 0;
 	}
+	if (!strcmp(var, "format.cc")) {
+		if (!value)
+			return config_error_nonbool(var);
+		ALLOC_GROW(extra_cc, extra_cc_nr + 1, extra_cc_alloc);
+		extra_cc[extra_cc_nr++] = xstrdup(value);
+		return 0;
+	}
 	if (!strcmp(var, "diff.color") || !strcmp(var, "color.diff")) {
 		return 0;
 	}

diff --git a/git-send-email.perl b/git-send-email.perl
index 9e568bf..cb05cf5 100755
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -203,6 +203,7 @@ my %config_settings = (
     "smtpuser" => \$smtp_authuser,
     "smtppass" => \$smtp_authpass,
     "to" => \@to,
+    "cc" => \@initial_cc,
     "cccmd" => \$cc_cmd,
     "aliasfiletype" => \$aliasfiletype,
     "bcc" => \@bcclist,

diff --git a/t/t9001-send-email.sh b/t/t9001-send-email.sh
index c0973b4..af655cf 100755
--- a/t/t9001-send-email.sh
+++ b/t/t9001-send-email.sh
@@ -166,4 +166,70 @@ test_expect_success 'second message is patch' '
 	grep "Subject:.*Second" msgtxt2
 '
 
+cat >expected-show-all-headers <<\EOF
+0001-Second.patch
+(mbox) Adding cc: A <author@example.com> from line 'From: A <author@example.com>'
+Dry-OK. Log says:
+Server: relay.example.com
+MAIL FROM:<from@example.com>
+RCPT TO:<to@example.com>,<cc@example.com>,<author@example.com>
+From: Example <from@example.com>
+To: to@example.com
+Cc: cc@example.com, A <author@example.com>
+Subject: [PATCH 1/1] Second.
+Date: DATE-STRING
+Message-Id: MESSAGE-ID-STRING
+X-Mailer: X-MAILER-STRING
+
+Result: OK
+EOF
+
+test_expect_success 'sendemail.cc set' '
+	git config sendemail.cc cc@example.com &&
+	git send-email \
+		--dry-run \
+		--from="Example <from@example.com>" \
+		--to=to@example.com \
+		--smtp-server relay.example.com \
+		$patches |
+	sed	-e "s/^\(Date:\).*/\1 DATE-STRING/" \
+		-e "s/^\(Message-Id:\).*/\1 MESSAGE-ID-STRING/" \
+		-e "s/^\(X-Mailer:\).*/\1 X-MAILER-STRING/" \
+		>actual-show-all-headers &&
+	test_cmp expected-show-all-headers actual-show-all-headers
+'
+
+cat >expected-show-all-headers <<\EOF
+0001-Second.patch
+(mbox) Adding cc: A <author@example.com> from line 'From: A <author@example.com>'
+Dry-OK. Log says:
+Server: relay.example.com
+MAIL FROM:<from@example.com>
+RCPT TO:<to@example.com>,<author@example.com>
+From: Example <from@example.com>
+To: to@example.com
+Cc: A <author@example.com>
+Subject: [PATCH 1/1] Second.
+Date: DATE-STRING
+Message-Id: MESSAGE-ID-STRING
+X-Mailer: X-MAILER-STRING
+
+Result: OK
+EOF
+
+test_expect_success 'sendemail.cc unset' '
+	git config --unset sendemail.cc &&
+	git send-email \
+		--dry-run \
+		--from="Example <from@example.com>" \
+		--to=to@example.com \
+		--smtp-server relay.example.com \
+		$patches |
+	sed	-e "s/^\(Date:\).*/\1 DATE-STRING/" \
+		-e "s/^\(Message-Id:\).*/\1 MESSAGE-ID-STRING/" \
+		-e "s/^\(X-Mailer:\).*/\1 X-MAILER-STRING/" \
+		>actual-show-all-headers &&
+	test_cmp expected-show-all-headers actual-show-all-headers
+'
+
 test_done

diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index 665a895..a9a7015 100755
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -875,6 +875,24 @@ _git_rebase ()
 	__gitcomp "$(__git_refs)"
 }
 
+_git_send_email ()
+{
+	local cur="${COMP_WORDS[COMP_CWORD]}"
+	case "$cur" in
+	--*)
+		__gitcomp "--bcc --cc --cc-cmd --chain-reply-to --compose
+			--dry-run --envelope-sender --from --identity
+			--in-reply-to --no-chain-reply-to --no-signed-off-by-cc
+			--no-suppress-from --no-thread --quiet
+			--signed-off-by-cc --smtp-pass --smtp-server
+			--smtp-server-port --smtp-ssl --smtp-user --subject
+			--suppress-cc --suppress-from --thread --to"
+		return
+		;;
+	esac
+	__git_complete_file
+}
+
 _git_config ()
 {
 	local cur="${COMP_WORDS[COMP_CWORD]}"
@@ -1331,6 +1349,7 @@ _git ()
 	rebase)      _git_rebase ;;
 	remote)      _git_remote ;;
 	reset)       _git_reset ;;
+	send-email)  _git_send_email ;;
 	shortlog)    _git_shortlog ;;
 	show)        _git_show ;;
 	show-branch) _git_log ;;
@@ -1383,6 +1402,7 @@ complete -o default -o nospace -F _git_rebase git-rebase
 complete -o default -o nospace -F _git_config git-config
 complete -o default -o nospace -F _git_remote git-remote
 complete -o default -o nospace -F _git_reset git-reset
+complete -o default -o nospace -F _git_send_email git-send-email
 complete -o default -o nospace -F _git_shortlog git-shortlog
 complete -o default -o nospace -F _git_show git-show
 complete -o default -o nospace -F _git_stash git-stash