[PATCH v3 8/8] release.sh: add -f to generate for-next update email

[Andrey Albershteyn <aalbersh@redhat.com>]

Add --for-next/-f to generate ANNOUNCE email for for-next branch
update. This doesn't require new commit/tarball/tags, so skip it.

Signed-off-by: Andrey Albershteyn <aalbersh@kernel.org>
---
 release.sh | 92 ++++++++++++++++++++++++++++++++++++++++----------------------
 1 file changed, 59 insertions(+), 33 deletions(-)

diff --git a/release.sh b/release.sh
index 3d272aebdb1fe7a3b47689b9dc129a26d6a9eb20..863c2c5e061b73e232c0bb01e879a115b6dd55bb 100755
--- a/release.sh
+++ b/release.sh
@@ -14,12 +14,14 @@ set -e
 KUP=0
 COMMIT=1
 LAST_HEAD=""
+FOR_NEXT=0
 
 help() {
 	echo "$(basename) - create xfsprogs release"
 	printf "\t[--kup|-k] upload final tarball with KUP\n"
 	printf "\t[--no-commit|-n] don't create release commit\n"
 	printf "\t[--last-head|-l] commit of the last release\n"
+	printf "\t[--for-next|-f] generate announce email for for-next update\n"
 }
 
 update_version() {
@@ -42,6 +44,48 @@ update_version() {
 	sed -i "1s/^/xfsprogs (${version}-1) unstable; urgency=low\n/" ./debian/changelog
 }
 
+prepare_mail() {
+	branch="$1"
+	mail_file=$(mktemp)
+	if [ -n "$LAST_HEAD" ]; then
+		if [ $branch == "master" ]; then
+			reason="$(git describe --abbrev=0 $branch) released"
+		else
+			reason="for-next updated to $(git log --oneline --format="%h" -1 $branch)"
+		fi;
+		cat << EOF > $mail_file
+To: linux-xfs@vger.kernel.org
+Cc: $(./tools/git-contributors.py $LAST_HEAD..$branch --delimiter ' ')
+Subject: [ANNOUNCE] xfsprogs: $reason
+
+Hi folks,
+
+The xfsprogs $branch branch in repository at:
+
+	git://git.kernel.org/pub/scm/fs/xfs/xfsprogs-dev.git
+
+has just been updated.
+
+Patches often get missed, so if your outstanding patches are properly reviewed
+on the list and not included in this update, please let me know.
+
+The for-next branch has also been updated to match the state of master.
+
+The new head of the $branch branch is commit:
+
+$(git log --oneline --format="%H" -1 $branch)
+
+New commits:
+
+$(git shortlog --format="[%h] %s" $LAST_HEAD..$branch)
+
+Code Diffstat:
+
+$(git diff --stat --summary -C -M $LAST_HEAD..$branch)
+EOF
+	fi
+}
+
 while [ $# -gt 0 ]; do
 	case "$1" in
 		--kup|-k)
@@ -54,6 +98,9 @@ while [ $# -gt 0 ]; do
 			LAST_HEAD=$2
 			shift
 			;;
+		--for-next|-f)
+			FOR_NEXT=1
+			;;
 		--help|-h)
 			help
 			exit 0
@@ -66,6 +113,17 @@ while [ $# -gt 0 ]; do
 	shift
 done
 
+if [ $FOR_NEXT -eq 1 ]; then
+	echo "Push your for-next branch:"
+	printf "\tgit push origin for-next:for-next\n"
+	prepare_mail "for-next"
+	if [ -n "$LAST_HEAD" ]; then
+		echo "Command to send ANNOUNCE email"
+		printf "\tneomutt -H $mail_file\n"
+	fi
+	exit 0
+fi
+
 if [ -z "$EDITOR" ]; then
 	EDITOR=$(command -v vi)
 fi
@@ -128,39 +186,7 @@ if [ $KUP -eq 1 ]; then
 		pub/linux/utils/fs/xfs/xfsprogs/
 fi;
 
-mail_file=$(mktemp)
-if [ -n "$LAST_HEAD" ]; then
-	cat << EOF > $mail_file
-To: linux-xfs@vger.kernel.org
-Cc: $(./tools/git-contributors.py $LAST_HEAD.. --delimiter ' ')
-Subject: [ANNOUNCE] xfsprogs $(git describe --abbrev=0) released
-
-Hi folks,
-
-The xfsprogs repository at:
-
-	git://git.kernel.org/pub/scm/fs/xfs/xfsprogs-dev.git
-
-has just been updated.
-
-Patches often get missed, so if your outstanding patches are properly reviewed
-on the list and not included in this update, please let me know.
-
-The for-next branch has also been updated to match the state of master.
-
-The new head of the master branch is commit:
-
-$(git log --oneline --format="%H" -1)
-
-New commits:
-
-$(git shortlog --format="[%h] %s" $LAST_HEAD..HEAD)
-
-Code Diffstat:
-
-$(git diff --stat --summary -C -M $LAST_HEAD..HEAD)
-EOF
-fi
+prepare_mail "master"
 
 echo ""
 echo "Done. Please remember to push out tags and the branch."

-- 
2.47.2