add a script to fetch patchwork patch, apply it and confirm it in patchwork and via...

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

diff --git a/patchwork-apply.sh b/patchwork-apply.sh
new file mode 100755 (executable)
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