Fix script compatiable with OpenWrt (#19000)

* Fix compatibility of upgrade.sh in openwrt and add service init script for openwrt.

* Apply suggestions from code review

Co-authored-by: Gusted <williamzijl7@hotmail.com>
Co-authored-by: zeripath <art27@cantab.net>

* Update contrib/upgrade.sh

Co-authored-by: Norwin <noerw@users.noreply.github.com>

Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: Gusted <williamzijl7@hotmail.com>
Co-authored-by: zeripath <art27@cantab.net>
Co-authored-by: techknowlogick <matti@mdranta.net>
Co-authored-by: Norwin <noerw@users.noreply.github.com>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>

2 files changed, 103 insertions, 24 deletions

diff --git a/contrib/init/openwrt/gitea b/contrib/init/openwrt/gitea
new file mode 100644
index 000000000..67b4495ff
--- /dev/null
+++ b/contrib/init/openwrt/gitea
@@ -0,0 +1,35 @@
+#!/bin/sh /etc/rc.common
+
+USE_PROCD=1
+
+# PROCD_DEBUG=1
+
+START=90
+STOP=10
+
+PROG=/opt/gitea/gitea
+GITEA_WORK_DIR=/opt/gitea
+CONF_FILE=$GITEA_WORK_DIR/app.ini
+
+start_service(){
+    procd_open_instance gitea
+    procd_set_param env GITEA_WORK_DIR=$GITEA_WORK_DIR
+    procd_set_param env HOME=$GITEA_WORK_DIR
+    procd_set_param command $PROG web -c $CONF_FILE
+    procd_set_param file $CONF_FILE
+    procd_set_param user git
+    procd_set_param respawn ${respawn_threshold:-3600} ${respawn_timeout:-5} ${respawn_retry:-5} # respawn automatically if something died, be careful if you have an alternative process supervisor
+    procd_close_instance
+}
+
+start(){
+    service_start $PROG
+}
+
+stop(){
+    service_stop $PROG
+}
+
+reload(){
+    service_reload $PROG
+}
diff --git a/contrib/upgrade.sh b/contrib/upgrade.sh
index 2f4f32bfa..171d9617c 100755
--- a/contrib/upgrade.sh
+++ b/contrib/upgrade.sh
@@ -1,6 +1,4 @@
 #!/usr/bin/env bash
-set -euo pipefail
-
 # This is an update script for gitea installed via the binary distribution
 # from dl.gitea.io on linux as systemd service. It performs a backup and updates
 # Gitea in place.
@@ -13,6 +11,42 @@ set -euo pipefail
 #   upgrade.sh 1.15.10
 #   giteahome=/opt/gitea giteaconf=$giteahome/app.ini upgrade.sh
 
+while true; do
+  case "$1" in
+    -v | --version ) ver="$2"; shift 2 ;;
+    -y | --yes ) no_confirm="yes"; shift ;;
+    --ignore-gpg) ignore_gpg="yes"; shift ;;
+    -- ) shift; break ;;
+    * ) break ;;
+  esac
+done
+
+set -euo pipefail
+
+
+function require {
+  for exe in "$@"; do
+    command -v "$exe" &>/dev/null || (echo "missing dependency '$exe'"; exit 1)
+  done
+}
+
+
+require curl xz sha256sum gpg
+
+if [[ -f /etc/os-release ]]; then
+  os_release=$(cat /etc/os-release)
+
+  if [[ "$os_release" =~ "OpenWrt" ]]; then
+    sudocmd="su"
+    service_start="/etc/init.d/gitea start"
+    service_stop="/etc/init.d/gitea stop"
+    service_status="/etc/init.d/gitea status"
+  else
+    require systemctl
+  fi
+fi
+
+
 # apply variables from environment
 : "${giteabin:="/usr/local/bin/gitea"}"
 : "${giteahome:="/var/lib/gitea"}"
@@ -20,34 +54,40 @@ set -euo pipefail
 : "${giteauser:="git"}"
 : "${sudocmd:="sudo"}"
 : "${arch:="linux-amd64"}"
+: "${service_start:="$sudocmd systemctl start gitea"}"
+: "${service_stop:="$sudocmd systemctl stop gitea"}"
+: "${service_status:="$sudocmd systemctl status gitea"}"
 : "${backupopts:=""}" # see `gitea dump --help` for available options
 
-function giteacmd {
-  "$sudocmd" --user "$giteauser" "$giteabin" --config "$giteaconf" --work-path "$giteahome" "$@"
-}
 
-function require {
-  for exe in "$@"; do
-    command -v "$exe" &>/dev/null || (echo "missing dependency '$exe'"; exit 1)
-  done
+function giteacmd {
+  if [[ $sudocmd = "su" ]]; then
+    "$sudocmd" - "$giteauser" -c "$giteabin" --config "$giteaconf" --work-path "$giteahome" "$@"
+  else
+    "$sudocmd" --user "$giteauser" "$giteabin" --config "$giteaconf" --work-path "$giteahome" "$@"
+  fi
 }
-require systemctl curl xz sha256sum gpg "$sudocmd"
 
 # select version to install
-if [[ -z "${1:-}" ]]; then
+if [[ -z "${ver:-}" ]]; then
   require jq
   giteaversion=$(curl --connect-timeout 10 -sL https://dl.gitea.io/gitea/version.json | jq -r .latest.version)
 else
-  giteaversion="$1"
+  giteaversion="$ver"
 fi
 
+
 # confirm update
-current=$(giteacmd --version | cut --delimiter=' ' --fields=3)
+current=$(giteacmd --version | cut -d ' ' -f 3)
 [[ "$current" == "$giteaversion" ]] && echo "$current is already installed, stopping." && exit 1
-echo "Make sure to read the changelog first: https://github.com/go-gitea/gitea/blob/main/CHANGELOG.md"
-echo "Are you ready to update Gitea from ${current} to ${giteaversion}? (y/N)"
-read -r confirm
-[[ "$confirm" == "y" ]] || [[ "$confirm" == "Y" ]] || exit 1
+if [[ -z "${no_confirm:-}"  ]]; then
+  echo "Make sure to read the changelog first: https://github.com/go-gitea/gitea/blob/main/CHANGELOG.md"
+  echo "Are you ready to update Gitea from ${current} to ${giteaversion}? (y/N)"
+  read -r confirm
+  [[ "$confirm" == "y" ]] || [[ "$confirm" == "Y" ]] || exit 1
+fi
+
+echo "Upgrading gitea from $current to $giteaversion ..."
 
 pushd "$(pwd)" &>/dev/null
 cd "$giteahome" # needed for gitea dump later
@@ -59,9 +99,11 @@ echo "Downloading $binurl..."
 curl --connect-timeout 10 --silent --show-error --fail --location -O "$binurl{,.sha256,.asc}"
 
 # validate checksum & gpg signature (exit script if error)
-sha256sum --check "${binname}.xz.sha256"
-gpg --keyserver keys.openpgp.org --recv 7C9E68152594688862D62AF62D9AE806EC1592E2
-gpg --verify "${binname}.xz.asc" "${binname}.xz" || { echo 'Signature does not match'; exit 1; }
+sha256sum -c "${binname}.xz.sha256"
+if [[ -z "${ignore_gpg:-}" ]]; then
+  gpg --keyserver keys.openpgp.org --recv 7C9E68152594688862D62AF62D9AE806EC1592E2
+  gpg --verify "${binname}.xz.asc" "${binname}.xz" || { echo 'Signature does not match'; exit 1; }
+fi
 rm "${binname}".xz.{sha256,asc}
 
 # unpack binary + make executable
@@ -72,12 +114,14 @@ chmod +x "$binname"
 # stop gitea, create backup, replace binary, restart gitea
 echo "Stopping gitea at $(date)"
 giteacmd manager flush-queues
-$sudocmd systemctl stop gitea
+$service_stop
 echo "Creating backup in $giteahome"
 giteacmd dump $backupopts
 echo "Updating binary at $giteabin"
-mv --force --backup "$binname" "$giteabin"
-$sudocmd systemctl start gitea
-$sudocmd systemctl status gitea
+cp -f "$giteabin" "$giteabin.bak" && mv -f "$binname" "$giteabin"
+$service_start
+$service_status
+
+echo "Upgrade to $giteaversion successful!"
 
 popd