patchwork-apply.sh

   1 #!/usr/bin/env bash
   2
   3 yesno() {
   4         local prompt="$1"
   5         local default="${2:-n}"
   6         local input
   7
   8         while [ 1 ]; do
   9                 printf "%s y/n [%s] > " "$prompt" "$default"
  10                 read input
  11                 case "${input:-$default}" in
  12                         y*) return 0 ;;
  13                         n*) return 1 ;;
  14                 esac
  15         done
  16 }
  17
  18 fetch() {(
  19         set -e
  20         mkdir "pwclient.get.$$"
  21         cd "pwclient.get.$$"
  22         pwclient get "$1"
  23         mv * "../$1.patch"
  24         cd ..
  25         rmdir "pwclient.get.$$"
  26 )}
  27
  28 get_date() {
  29         date +"%a, %d %b %Y %H:%M:%S %z" | sed -e 's|, 0|, |'
  30 }
  31
  32 get_subject() {
  33         local subject line
  34         local IFS="
  35 "
  36
  37         for line in $(sed -ne '/^Subject: */ { s/^Subject: *//p; :next; n; s/^ \+//p; t next; b }' "$1"); do
  38                 subject="$subject$line"
  39         done
  40
  41         printf "%s\n" "$subject" | sed -e 's/^\[.*\] \+//'
  42 }
  43
  44 get_hdr_list() {
  45         local file="$1"
  46         local field="$2"
  47         local addr list
  48
  49         local IFS=",
  50 "
  51
  52         for addr in $(sed -ne "/^$field: */ { s/^$field: *//p; :next; n; s/^ \\+//p; t next; b }" "$file"); do
  53                 list="${list:+$list, }$(echo "$addr" | sed -e 's/^ \+//; s/ \+$//')"
  54         done
  55
  56         [ -n "$list" ] && printf "%s: %s\n" "$field" "$list"
  57 }
  58
  59 get_hdr() {
  60         sed -ne "s/^$2: *//p" "$1" | head -n1
  61 }
  62
  63 format_reply() {
  64         local remote_ref remote_url remote_host remote_host remote_repo remote_user
  65
  66         remote_ref="$(git for-each-ref --format='%(push:short)' $(git symbolic-ref -q HEAD))"
  67
  68         [ -n "$remote_ref" ] || \
  69                 remote_ref="$(git for-each-ref --format='%(upstream:short)' $(git symbolic-ref -q HEAD))"
  70
  71         [ -n "$remote_ref" ] || \
  72                 return 1
  73
  74         remote_url="$(git remote get-url "${remote_ref%%/*}")"
  75
  76         case "$remote_url" in
  77                 http*://*)
  78                         remote_host="${remote_url##http*://}"
  79                         case "$remote_host" in *@*)
  80                                 remote_user="${remote_host%%@*}"
  81                                 remote_host="${remote_host##*@}"
  82                         esac
  83                         case "$remote_host" in */*)
  84                                 remote_repo="${remote_host#*/}"
  85                                 remote_host="${remote_host%%/*}"
  86                         esac
  87                 ;;
  88                 *:*)
  89                         remote_host="$remote_url"
  90                         case "$remote_host" in *@*)
  91                                 remote_user="${remote_host%%@*}"
  92                                 remote_host="${remote_host##*@}"
  93                         esac
  94                         case "$remote_host" in *:*)
  95                                 remote_repo="${remote_host##*:}"
  96                                 remote_host="${remote_host%%:*}"
  97                         esac
  98                 ;;
  99         esac
 100
 101         case "$remote_host" in
 102                 git.openwrt.org|git.lede-project.org)
 103                         case "$remote_repo" in
 104                                 source.git|openwrt/openwrt.git)
 105                                         echo "Merged into ${remote_ref##*/}."
 106                                 ;;
 107                                 lede/*/staging.git|openwrt/staging/*.git)
 108                                         echo "Merged into my staging tree."
 109                                 ;;
 110                                 *)
 111                                         echo "Merged into ${remote_repo:-the repository}, branch ${remote_ref##*/}."
 112                                 ;;
 113                         esac
 114                 ;;
 115                 *)
 116                         echo "Merged."
 117                 ;;
 118         esac
 119
 120         echo "Thank you!"
 121         echo ""
 122 }
 123
 124 echo "$1" | grep -sqE '^[0-9]+$' || {
 125         echo "Usage: $0 <patch-id>" >&2
 126         exit 1
 127 }
 128
 129 [ -f "$1.patch" ] || {
 130         pwclient info "$1" >/dev/null 2>/dev/null || {
 131                 echo "Unknown patch ID: $1" >&2
 132                 exit 2
 133         }
 134
 135         fetch "$1" || {
 136                 echo "Failed to download patch" >&2
 137                 exit 3
 138         }
 139 }
 140
 141 git am "$1.patch" || {
 142         echo "Failed to apply patch $1" >&2
 143         git am --abort
 144         exit 4
 145 }
 146
 147 git log -p -1
 148
 149 if ! yesno "Keep change?" "y"; then
 150         git reset --hard HEAD^
 151
 152         if yesno "Set to 'Changes Requested'?"; then
 153                 pwclient update -s "Changes Requested" "$1"
 154         fi
 155 else
 156         if yesno "Set to 'Accepted'?" "y"; then
 157                 pwclient update -s "Accepted" "$1"
 158
 159                 if yesno "Send reply mail?" "y"; then
 160                         {
 161                                 printf "From: %s <%s>\n" "$(git config user.name)" "$(git config user.email)"
 162
 163                                 get_hdr_list "$1.patch" Cc
 164
 165                                 printf "Date: %s\n" "$(get_date)"
 166                                 printf "Subject: Merged: %s\n\n" "$(get_subject "$1.patch")"
 167
 168                                 format_reply
 169                         } > "$1.reply"
 170
 171                         echo "==="
 172                         cat "$1.reply"
 173                         echo "==="
 174
 175                         if yesno "Edit reply?" "n"; then
 176                                 git send-email \
 177                                         --to "$(get_hdr "$1.patch" To)" \
 178                                         --cc "$(get_hdr "$1.patch" From)" \
 179                                         --in-reply-to "$(get_hdr "$1.patch" Message-Id)" \
 180                                         --compose "$1.reply"
 181                         else
 182                                 git send-email \
 183                                         --to "$(get_hdr "$1.patch" To)" \
 184                                         --cc "$(get_hdr "$1.patch" From)" \
 185                                         --in-reply-to "$(get_hdr "$1.patch" Message-Id)" \
 186                                         --confirm=never "$1.reply"
 187                         fi
 188
 189                         rm -f "$1.reply" "$1.patch"
 190                 fi
 191         fi
 192 fi