Install Gitea on Raspbian

gitea-1.10.1-raspbian.sh

#!/bin/sh

# Freely inspired by https://gist.github.com/mirhec/1c8af440aa4917d6ccd61ea628e5510c
# and Gentoo ebuild "styling".

# License: GPLv2
BN="$(basename $0)"
PN="gitea"

P="${BN%-*}"
PV="${P#${PN}-}"
SRC_URI="https://github.com/go-gitea/gitea/archive/v${PV}.tar.gz"

DISTFILES=/opt/distfiles

WORKDIR="$(mktemp -d /tmp/${PN}.XXXXXX)"
DEPEND="git unzip golang-go go-bindata"

S="${WORKDIR}/src/code.gitea.io/${PN}"

GITEA_HOME="/var/lib/gitea"
GITEA_USER="gitea"

SWAP_FILE="${WORKDIR}/swap.bin"

src_fetch() {
  [ ! -d ${DISTFILES} ] && mkdir -p ${DISTFILES}
  if [ ! -f "${DISTFILES}/${P}.tar.gz" ]; then
    curl -L "${SRC_URI}" -o "${DISTFILES}/${P}.tar.gz"
  fi
}

src_prepare() {
  systemctl stop ${PN}

  for dir in "${WORKDIR}" "${WORKDIR}/src/code.gitea.io"; do
    [ ! -d ${dir} ] && mkdir -p ${dir}
  done

  DEPS=""
  for dep in ${DEPEND} ; do
    dpkg-query -l "${dep}" >/dev/null 2>&1
    if [ ! $?  -eq 0 ]; then
       echo "${dep} is missing, installation targeted"
       DEPS="${dep} "
    fi
  done

  if [ ! "${DEPS}" = "" ]; then
    apt install -y ${DEPS}
  fi

  id ${GITEA_USER} >/dev/null 2>&1
  if [ ! $? -eq 0 ]; then
    echo "create ${GITEA_USER} user"
    useradd -s /bin/bash -m -d ${GITEA_HOME} ${GITEA_USER}
  fi

  dd if=/dev/zero of=${SWAP_FILE} bs=1M count=600
  chmod 0400 ${SWAP_FILE}
  mkswap -L sw ${SWAP_FILE}
  swapon ${SWAP_FILE}
}

src_unpack() {
  tar xzf "${DISTFILES}/${P}.tar.gz" -C ${WORKDIR}/src/code.gitea.io/
  mv "${WORKDIR}/src/code.gitea.io/${P}" "${WORKDIR}/src/code.gitea.io/${PN}"
}

src_compile() {
  cd ${S}
  sed -i 's#main.Version=$(GITEA_VERSION)#main.Version='${PV}'#' Makefile
  export GOPATH="${WORKDIR}/"
  TAGS="bindata sqlite" make generate build
}

src_cleanup() {
  swapoff ${SWAP_FILE}
  rm -rf ${WORKDIR}
}

src_install() {
  install -m 0755 ${WORKDIR}/src/code.gitea.io/${PN}/${PN} /usr/local/bin/${PN}
  cat << EOF > /etc/systemd/system/${PN}.service
[Unit]
Description=${PN}
After=syslog.target
After=network.target
After=mariadb.service mysqld.service postgresql.service memcached.service redis.service

[Service]
Type=simple
User=${GITEA_USER}
Group=${GITEA_USER}
ExecStart=/usr/local/bin/${PN} web
Restart=always
Environment=USER=${GITEA_USER} GITEA_WORK_DIR=${GITEA_HOME}
PIDFile=/run/${PN}.pid

[Install]
WantedBy=multi-user.target
EOF

systemctl daemon-reload
systemctl enable ${PN}
systemctl start ${PN}
}

src_uninstall() {
  systemctl stop ${PN}
  systemctl disable ${PN}
  rm -f /usr/local/bin/${PN}
  rm -f /etc/systemd/system/${PN}.service

  echo "${GITEA_HOME} not removed, it contain your data"
}

case "$1" in
  uninstall)
    src_uninstall
  ;;
  fetch)
    src_fetch
  ;;
  unpack)
    src_fetch
    src_prepare
    src_unpack
  ;;
  merge|*)
    src_fetch
    src_prepare
    src_unpack
    src_compile
    src_install
    src_cleanup
  ;;
esac

Updated for Rasbian Buster who provided Golang 1.11