From 9aa11a279eae5940fe6d9a83654adab298500263 Mon Sep 17 00:00:00 2001
From: Jo-Philipp Wich <jo@mein.io>
Date: Sat, 23 Dec 2017 12:02:18 +0100
Subject: [PATCH] add a script to fetch patchwork patch, apply it and confirm
 it in patchwork and via email

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
---
 patchwork-apply.sh | 195 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 195 insertions(+)
 create mode 100755 patchwork-apply.sh

diff --git a/patchwork-apply.sh b/patchwork-apply.sh
new file mode 100755
index 0000000..5f29330
--- /dev/null
+++ b/patchwork-apply.sh
@@ -0,0 +1,195 @@
+#!/usr/bin/env bash
+
+yesno() {
+	local prompt="$1"
+	local default="${2:-n}"
+	local input
+
+	while [ 1 ]; do
+		printf "%s y/n [%s] > " "$prompt" "$default"
+		read input
+		case "${input:-$default}" in
+			y*) return 0 ;;
+			n*) return 1 ;;
+		esac
+	done
+}
+
+fetch() {(
+	set -e
+	mkdir "pwclient.get.$$"
+	cd "pwclient.get.$$"
+	pwclient get "$1"
+	mv *.patch "../$1.patch"
+	cd ..
+	rmdir "pwclient.get.$$"
+)}
+
+get_date() {
+	date +"%a, %d %b %Y %H:%M:%S %z" | sed -e 's|, 0|, |'
+}
+
+get_subject() {
+	local subject line
+	local IFS="
+"
+
+	for line in $(sed -ne '/^Subject: */ { s/^Subject: *//p; :next; n; s/^ \+//p; t next; b }' "$1"); do
+		subject="$subject$line"
+	done
+
+	printf "%s\n" "$subject" | sed -e 's/^\[.*\] *//'
+}
+
+get_hdr_list() {
+	local file="$1"
+	local field="$2"
+	local addr list
+
+	local IFS=",
+"
+
+	for addr in $(sed -ne "/^$field: */ { s/^$field: *//p; :next; n; s/^ \\+//p; t next; b }" "$file"); do
+		list="${list:+$list, }$(echo "$addr" | sed -e 's/^ \+//; s/ \+$//')"
+	done
+
+	[ -n "$list" ] && printf "%s: %s\n" "$field" "$list"
+}
+
+get_hdr() {
+	sed -ne "s/^$2: *//p" "$1" | head -n1
+}
+
+format_reply() {
+	local remote_ref remote_url remote_host remote_host remote_repo remote_user
+
+	remote_ref="$(git for-each-ref --format='%(push:short)' $(git symbolic-ref -q HEAD))"
+
+	[ -n "$remote_ref" ] || \
+		remote_ref="$(git for-each-ref --format='%(upstream:short)' $(git symbolic-ref -q HEAD))"
+
+	[ -n "$remote_ref" ] || \
+		return 1
+
+	remote_url="$(git remote get-url "${remote_ref%%/*}")"
+
+	case "$remote_url" in
+		http*://*)
+			remote_host="${remote_url##http*://}"
+			case "$remote_host" in *@*)
+				remote_user="${remote_host%%@*}"
+				remote_host="${remote_host##*@}"
+			esac
+			case "$remote_host" in */*)
+				remote_repo="${remote_host#*/}"
+				remote_host="${remote_host%%/*}"
+			esac
+		;;
+		*:*)
+			remote_host="$remote_url"
+			case "$remote_host" in *@*)
+				remote_user="${remote_host%%@*}"
+				remote_host="${remote_host##*@}"
+			esac
+			case "$remote_host" in *:*)
+				remote_repo="${remote_host##*:}"
+				remote_host="${remote_host%%:*}"
+			esac
+		;;
+	esac
+
+	case "$remote_host" in
+		git.lede-project.org)
+			case "$remote_repo" in
+				source.git)
+					echo "Merged into ${remote_ref##*/} with"
+				;;
+				lede/*/staging.git)
+					echo "Merged into my staging tree with"
+				;;
+				*)
+					echo "Merged into ${remote_repo:-the repository}, branch ${remote_ref##*/} with"
+				;;
+			esac
+		;;
+		*)
+			echo "Merged with"
+		;;
+	esac
+
+	echo "http://$remote_host/?p=$remote_repo;a=commitdiff;h=$(git log -1 --format=%h)."
+	echo ""
+
+	echo "Thank you!"
+	echo ""
+}
+
+echo "$1" | grep -sqE '^[0-9]+$' || {
+	echo "Usage: $0 <patch-id>" >&2
+	exit 1
+}
+
+[ -f "$1.patch" ] || {
+	pwclient info "$1" >/dev/null 2>/dev/null || {
+		echo "Unknown patch ID: $1" >&2
+		exit 2
+	}
+
+	fetch "$1" || {
+		echo "Failed to download patch" >&2
+		exit 3
+	}
+}
+
+git am "$1.patch" || {
+	echo "Failed to apply patch $1" >&2
+	git am --abort
+	exit 4
+}
+
+git log -p -1
+
+if ! yesno "Keep change?" "y"; then
+	git reset --hard HEAD^
+
+	if yesno "Set to 'Changes Requested'?"; then
+		pwclient update -s "Changes Requested" "$1"
+	fi
+else
+	if yesno "Set to 'Accepted'?" "y"; then
+		pwclient update -s "Accepted" "$1"
+
+		if yesno "Send reply mail?" "y"; then
+			{
+				printf "From: %s <%s>\n" "$(git config user.name)" "$(git config user.email)"
+
+				get_hdr_list "$1.patch" Cc
+
+				printf "Date: %s\n" "$(get_date)"
+				printf "Subject: Merged: %s\n\n" "$(get_subject "$1.patch")"
+
+				format_reply
+			} > "$1.reply"
+
+			echo "==="
+			cat "$1.reply"
+			echo "==="
+
+			if yesno "Edit reply?" "n"; then
+				git send-email \
+					--to "$(get_hdr "$1.patch" To)" \
+					--cc "$(get_hdr "$1.patch" From)" \
+					--in-reply-to "$(get_hdr "$1.patch" Message-Id)" \
+					--compose "$1.reply"
+			else
+				git send-email \
+					--to "$(get_hdr "$1.patch" To)" \
+					--cc "$(get_hdr "$1.patch" From)" \
+					--in-reply-to "$(get_hdr "$1.patch" Message-Id)" \
+					--confirm=never "$1.reply"
+			fi
+
+			rm -f "$1.reply" "$1.patch"
+		fi
+	fi
+fi
-- 
2.30.2