Update installer script

Author: straight-shoota

bintray/scripts/install.sh

@@ -7,7 +7,7 @@ USAGE
 
     $ ./install.sh [--crystal=<crystal-version>] [--channel=stable|unstable|nightly]
 
-  - crystal-version: latest, 0.35, 0.34.0, 0.33.0, etc. (Default: latest)
+  - crystal-version: latest, 1.0.0 etc. (Default: latest)
   - channel: stable, unstable, nightly. (Default: stable)
 
 REQUIREMENTS
@@ -36,7 +36,7 @@ END
 
 set -eu
 
-DISTRO_TYPE=""
+DISTRO_REPO=${DISTRO_REPO:-}
 CRYSTAL_VERSION="latest"
 CHANNEL="stable"
 
@@ -48,31 +48,62 @@ _warn() {
   echo >&2 "WARNING: $*"
 }
 
-_match_etc_issue() {
-  local _distro_type="$1"
-  shift
-  grep -qis "$*" /etc/issue && DISTRO_TYPE="$_distro_type"
-}
-
-# The DISTRO_TYPE detection script is based on https://github.com/icy/pacapt
-_discover_distro_type() {
-  _match_etc_issue "deb" "Debian" && return
-  _match_etc_issue "deb" "Ubuntu" && return
-  _match_etc_issue "rpm" "CentOS" && return
-  _match_etc_issue "rpm" "Fedora" && return
-
-  [[ -z "$DISTRO_TYPE" ]] || return
-
-  if hash apt-get 2>/dev/null; then
-    DISTRO_TYPE="deb"
-  elif hash yum 2>/dev/null; then
-    DISTRO_TYPE="rpm"
-  else
+_check_version_id() {
+  if [[ -z "${VERSION_ID}" ]]; then
+    cat /etc/os-release
     _error "Unable to identify distribution. Please, report to https://forum.crystal-lang.org/c/help-support/11"
     exit 1
   fi
 }
 
+_discover_distro_repo() {
+  source /etc/os-release
+  case "$ID" in
+    debian)
+      if [[ -z "${VERSION_ID:+}" ]]; then
+        VERSION_ID="Unstable"
+      elif [[ "$VERSION_ID" == "9" ]]; then
+        VERSION_ID="$VERSION_ID.0"
+      fi
+      _check_version_id
+
+      DISTRO_REPO="Debian_${VERSION_ID}"
+      ;;
+    ubuntu)
+      _check_version_id
+      DISTRO_REPO="xUbuntu_${VERSION_ID}"
+      ;;
+    fedora)
+      _check_version_id
+      if [[ "${VERSION}" == *"Prerelease"* ]]; then
+        DISTRO_REPO="Fedora_Rawhide"
+      else
+        DISTRO_REPO="Fedora_${VERSION_ID}"
+      fi
+      ;;
+    centos)
+      _check_version_id
+      DISTRO_REPO="CentOS_${VERSION_ID}"
+      ;;
+    rhel)
+      _check_version_id
+      DISTRO_REPO="RHEL_${VERSION_ID}"
+      ;;
+    opensuse-tumbleweed)
+      DISTRO_REPO="openSUSE_Tumbleweed"
+      ;;
+    opensuse-leap)
+      _check_version_id
+      DISTRO_REPO="openSUSE_Leap_${VERSION_ID}"
+      ;;
+    *)
+      _error "Unable to identify distribution. You may specify one with environment variable DISTRO_REPO"
+      _error "Please, report to https://forum.crystal-lang.org/c/help-support/11"
+      exit 1
+      ;;
+  esac
+}
+
 if [[ $EUID -ne 0 ]]; then
   _error "This script must be run as root"
   exit 1
@@ -102,46 +133,46 @@ case $i in
 esac
 done
 
-_discover_distro_type
-
-# Add repo
-case $DISTRO_TYPE in
-  deb)
-    # Add repo metadata signign key (shared bintray signing key)
-    apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 379CE192D401AB61
-    echo "deb https://dl.bintray.com/crystal/deb all $CHANNEL" | tee /etc/apt/sources.list.d/crystal.list
-    apt-get update
-    ;;
-
-  rpm)
-    DISTRO="all"
-    [[ $(rpm -E %{rhel}) == "6" ]] && DISTRO="el6"
+if [[ -z "${DISTRO_REPO}" ]]; then
+  _discover_distro_repo
+fi
 
-    cat > /etc/yum.repos.d/crystal.repo <<END
-[crystal]
-name=Crystal
-baseurl=https://dl.bintray.com/crystal/rpm/$DISTRO/x86_64/$CHANNEL
-gpgcheck=0
-repo_gpgcheck=1
-gpgkey=http://bintray.com/user/downloadSubjectPublicKey?username=bintray
-END
-    ;;
-esac
+_install_apt() {
+  # Add repo signign key
+  curl -fsSL https://download.opensuse.org/repositories/devel:languages:crystal/${DISTRO_REPO}/Release.key | gpg --dearmor | tee /etc/apt/trusted.gpg.d/devel_languages_crystal.gpg > /dev/null
+  echo "deb http://download.opensuse.org/repositories/devel:/languages:/crystal/${DISTRO_REPO}/ /" | tee /etc/apt/sources.list.d/crystal.list
+  apt-get update
 
-# Install Crystal
-case "$DISTRO_TYPE-$CRYSTAL_VERSION" in
-  deb-latest)
+  if [[ "$CRYSTAL_VERSION" == "latest" ]]; then
     apt-get install -y crystal
-    ;;
-  deb-*)
+  else
     # Appending * allows --crystal=x.y and resolution of package-iteration https://askubuntu.com/a/824926/1101493
     apt-get install -y crystal="$CRYSTAL_VERSION*"
-    ;;
+  fi
+}
 
-  rpm-latest)
+_install_rpm_key() {
+  rpm --verbose --import https://build.opensuse.org/projects/devel:languages:crystal/public_key
+}
+
+_install_yum() {
+  _install_rpm_key
+
+  [[ command wget ]] || yum install -y wget
+
+  cat > /etc/yum.repos.d/crystal.repo <<EOF
+[crystal]
+name=Crystal (${DISTRO_REPO})
+type=rpm-md
+baseurl=https://download.opensuse.org/repositories/devel:/languages:/crystal/${DISTRO_REPO}/
+gpgcheck=1
+gpgkey=https://download.opensuse.org/repositories/devel:/languages:/crystal/${DISTRO_REPO}/repodata/repomd.xml.key
+enabled=1
+EOF
+
+  if [[ "$CRYSTAL_VERSION" == "latest" ]]; then
     yum install -y crystal
-    ;;
-  rpm-*)
+  else
     command -v repoquery >/dev/null || yum install -y yum-utils
     CRYSTAL_PACKAGE=$(repoquery crystal-$CRYSTAL_VERSION* | tail -n1)
     if [ -z "$CRYSTAL_PACKAGE" ]
@@ -150,7 +181,62 @@ case "$DISTRO_TYPE-$CRYSTAL_VERSION" in
     else
       yum install -y $CRYSTAL_PACKAGE
     fi
-    ;;
+  fi
+}
 
-esac
+_install_dnf() {
+  _install_rpm_key
+
+  dnf config-manager --add-repo https://download.opensuse.org/repositories/devel:languages:crystal/$DISTRO_REPO/devel:languages:crystal.repo
+
+  if [[ "$CRYSTAL_VERSION" == "latest" ]]; then
+    dnf install -y crystal
+  else
+    command -v repoquery >/dev/null || dnf install -y dnf-utils
+    CRYSTAL_PACKAGE=$(repoquery crystal-$CRYSTAL_VERSION* | tail -n1)
+    if [ -z "$CRYSTAL_PACKAGE" ]
+    then
+      _error "Unable to find a package for crystal $CRYSTAL_VERSION"
+    else
+      dnf install -y $CRYSTAL_PACKAGE
+    fi
+  fi
+}
+
+_install_zypper() {
+  _install_rpm_key
+  zypper --non-interactive addrepo https://download.opensuse.org/repositories/devel:languages:crystal/$DISTRO_REPO/devel:languages:crystal.repo
+  zypper --non-interactive refresh
 
+  if [[ "$CRYSTAL_VERSION" == "latest" ]]; then
+    zypper --non-interactive install crystal
+  else
+    zypper --non-interactive install crystal="$CRYSTAL_VERSION*"
+  fi
+}
+
+# Add repo
+case $DISTRO_REPO in
+  Debian*)
+    _install_apt
+    ;;
+  xUbuntu*)
+    _install_apt
+    ;;
+  Fedora*)
+    _install_yum
+    ;;
+  RHEL*)
+    _install_yum
+    ;;
+  CentOS*)
+    _install_yum
+    ;;
+  openSUSE*)
+    _install_zypper
+    ;;
+  *)
+    _error "Unable to install for $DISTRO_REPO. Please, report to https://forum.crystal-lang.org/c/help-support/11"
+    exit 1
+    ;;
+esac