patchwork-apply.sh

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