deprecated software Ubuntu 20.04

images/linux/scripts/installers/haskell.sh

@@ -6,7 +6,7 @@
 
 # Source the helpers for use with the script
 source $HELPER_SCRIPTS/document.sh
-source $HELPER_SCRIPTS/apt.sh
+source $HELPER_SCRIPTS/os.sh
 
 # Install Herbert V. Riedel's PPA for managing multiple version of ghc on ubuntu.
 # https://launchpad.net/~hvr/+archive/ubuntu/ghc
@@ -15,16 +15,42 @@ add-apt-repository -y ppa:hvr/ghc
 apt-get update
 
 # Install various versions of ghc and cabal
-apt-get install -y \
-    ghc-8.0.2 \
-    ghc-8.2.2 \
-    ghc-8.4.4 \
-    ghc-8.6.5 \
-    ghc-8.8.3 \
-    ghc-8.10.1 \
-    cabal-install-2.4 \
-    cabal-install-3.0 \
-    cabal-install-3.2
+if  isUbuntu20 ; then
+    apt-get install -y \
+        ghc-8.6.5 \
+        ghc-8.8.3 \
+        ghc-8.10.1 \
+        cabal-install-2.4 \
+        cabal-install-3.0 \
+        cabal-install-3.2
+
+    ghcVersions="8.6.5 8.8.3 8.10.1"
+    cabalVersions="2.4 3.0 3.2"
+fi
+
+if isUbuntu16 || isUbuntu18 ; then
+    # Install various versions of ghc and cabal
+    apt-get install -y \
+        ghc-8.0.2 \
+        ghc-8.2.2 \
+        ghc-8.4.4 \
+        ghc-8.6.2 \
+        ghc-8.6.3 \
+        ghc-8.6.4 \
+        ghc-8.6.5 \
+        ghc-8.8.1 \
+        ghc-8.8.2 \
+        ghc-8.8.3 \
+        ghc-8.10.1 \
+        cabal-install-2.0 \
+        cabal-install-2.2 \
+        cabal-install-2.4 \
+        cabal-install-3.0 \
+        cabal-install-3.2
+
+    ghcVersions="8.0.2 8.2.2 8.4.4 8.6.2 8.6.3 8.6.4 8.6.5 8.8.1 8.8.2 8.8.3 8.10.1"
+    cabalVersions="2.0 2.2 2.4 3.0 3.2"
+fi
 
 # Install the latest stable release of haskell stack
 curl -sSL https://get.haskellstack.org/ | sh
@@ -32,14 +58,14 @@ curl -sSL https://get.haskellstack.org/ | sh
 # Run tests to determine that the software installed as expected
 echo "Testing to make sure that script performed as expected, and basic scenarios work"
 # Check all ghc versions
-for version in 8.0.2 8.2.2 8.4.4 8.6.5 8.8.3 8.10.1; do
+for version in $ghcVersions; do
     if ! command -v /opt/ghc/$version/bin/ghc; then
         echo "ghc $version was not installed"
         exit 1
     fi
 done
 # Check all cabal versions
-for version in 2.4 3.0 3.2; do
+for version in $cabalVersions; do
     if ! command -v /opt/cabal/$version/bin/cabal; then
         echo "cabal $version was not installed"
         exit 1
@@ -52,10 +78,10 @@ fi
 
 # Document what was added to the image
 echo "Lastly, documenting what we added to the metadata file"
-for version in 2.4 3.0 3.2; do
+for version in $cabalVersions; do
     DocumentInstalledItem "Haskell Cabal ($(/opt/cabal/$version/bin/cabal --version))"
 done
-for version in 8.0.2 8.2.2 8.4.4 8.6.5 8.8.3 8.10.1; do
+for version in $ghcVersions; do
     DocumentInstalledItem "GHC ($(/opt/ghc/$version/bin/ghc --version))"
 done
 DocumentInstalledItem "Haskell Stack ($(stack --version))"