Dotnet: Fix Feature failures on ubuntu:jammy (when installing using apt) (#590)

* fix several bugs

* fix test: .NET is now installed from ubuntu feeds

* add comment ; use dev containers image

* address comments

* revert debugging cmd

* fix test for bookworm

src/dotnet/devcontainer-feature.json

 {
     "id": "dotnet",
-    "version": "1.1.3",
+    "version": "1.1.4",
     "name": "Dotnet CLI",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/dotnet",
     "description": "Installs the .NET CLI. Provides option of installing sdk or runtime, and option of versions to install. Uses latest version of .NET sdk as defaults to install.",

src/dotnet/install.sh

@@ -33,6 +33,16 @@ DOTNET_VERSION_CODENAMES_REQUIRE_OLDER_LIBSSL_1="buster bullseye bionic focal hi
 # alongside DOTNET_VERSION, but not set as default.
 ADDITIONAL_VERSIONS=${ADDITIONALVERSIONS:-""}
 
+APT_PREFERENCES_CONTENT="$(cat << 'EOF'
+Package: *
+Pin: origin "packages.microsoft.com"
+Pin-Priority: 1001
+EOF
+)"
+
+APT_PREFERENCES_FILE_ADDED="false"
+APT_PREFERENCES_UPDATED="false"
+
 set -e
 
 # Clean up
@@ -147,9 +157,9 @@ apt_cache_package_and_version_soft_match() {
     . /etc/os-release
     local architecture="$(dpkg --print-architecture)"
 
+    apt-get update -y
     major_minor_version="$(echo "${requested_version}" | cut -d "." --field=1,2)"
-    package_name="$(apt-cache search "${partial_package_name}-[0-9].[0-9]" | awk -F" - " '{print $1}' | grep -m 1 "${partial_package_name}-${major_minor_version}")"
-    
+    package_name="$(apt-cache search "${partial_package_name}-[0-9].[0-9]$" | awk -F" - " '{print $1}' | grep -m 1 "${partial_package_name}-${major_minor_version}")"
     dot_escaped="${requested_version//./\\.}"
     dot_plus_escaped="${dot_escaped//+/\\+}"
     # Regex needs to handle debian package version number format: https://www.systutorials.com/docs/linux/man/5-deb-version/
@@ -193,6 +203,12 @@ install_using_apt() {
         # Import key safely and import Microsoft apt repo
         curl -sSL ${MICROSOFT_GPG_KEYS_URI} | gpg --dearmor > /usr/share/keyrings/microsoft-archive-keyring.gpg
         echo "deb [arch=${architecture} signed-by=/usr/share/keyrings/microsoft-archive-keyring.gpg] https://packages.microsoft.com/repos/microsoft-${ID}-${VERSION_CODENAME}-prod ${VERSION_CODENAME} main" > /etc/apt/sources.list.d/microsoft.list
+
+        [ ! -f /etc/apt/preferences ] && APT_PREFERENCES_FILE_ADDED="true"
+        APT_PREFERENCES_UPDATED="true"
+
+        # See https://github.com/dotnet/core/issues/7699
+        echo "${APT_PREFERENCES_CONTENT}" >> /etc/apt/preferences
         apt-get update -y
     fi
 
@@ -233,8 +249,8 @@ install_using_apt() {
     mkdir -p "${TARGET_DOTNET_ROOT}"
     local dotnet_installed_version="$(dotnet --version)"
     # See if its the distro version
-    if [[ "$(dotnet --info)" == *"Base Path:   /usr/lib/dotnet/dotnet${dotnet_installed_version:0:1}-${dotnet_installed_version}"* ]]; then
-        ln -s "/usr/lib/dotnet/dotnet${dotnet_installed_version:0:1}" "${CURRENT_DIR}"
+    if [[ "$(dotnet --info)" == *"Base Path:   /usr/lib/dotnet/${DOTNET_SDK_OR_RUNTIME}/${dotnet_installed_version}"* ]]; then
+        ln -s "/usr/lib/dotnet" "${CURRENT_DIR}"
     else
         # Location used by MS repo versions
         ln -s "/usr/share/dotnet" "${CURRENT_DIR}" 
@@ -463,6 +479,14 @@ if [ "${CHANGE_OWNERSHIP}" = "true" ]; then
 fi
 
 # Clean up
+if [ "${APT_PREFERENCES_UPDATED}" = "true" ]; then
+    if [ "${APT_PREFERENCES_FILE_ADDED}" = "true" ]; then
+        rm -f /etc/apt/preferences
+    else
+        head -n -3 /etc/apt/preferences > /tmp/preferences-temp && mv /tmp/preferences-temp /etc/apt/preferences
+    fi
+fi
+
 rm -rf /var/lib/apt/lists/*
 
 echo "Done!"

test/dotnet/install_dotnet_6_jammy.sh

+#!/bin/bash
+
+set -e
+
+# Optional: Import test library
+source dev-container-features-test-lib
+
+check "dotnet sdks" dotnet --list-sdks
+check "some major version of dotnet 6 is installed" bash -c "dotnet --list-sdks |  grep '6\.[0-9]*\.[0-9]*'"
+check "dotnet version 6 installed"  bash -c "ls -l /usr/lib/dotnet/sdk | grep '6\.[0-9]*\.[0-9]*'"
+
+# Verify current symlink exists and works
+check "current link dotnet" /usr/local/dotnet/current/dotnet --info
+check "current link sdk" ls -l /usr/local/dotnet/current/sdk
+
+# Report result
+reportResults

test/dotnet/install_dotnet_7_jammy.sh

@@ -7,7 +7,7 @@ source dev-container-features-test-lib
 
 check "dotnet sdks" dotnet --list-sdks
 check "some major version of dotnet 7 is installed" bash -c "dotnet --list-sdks |  grep '7\.[0-9]*\.[0-9]*'"
-check "dotnet version 7 installed"  bash -c "ls -l /usr/share/dotnet/sdk | grep '7\.[0-9]*\.[0-9]*'"
+check "dotnet version 7 installed"  bash -c "ls -l /usr/lib/dotnet/sdk | grep '7\.[0-9]*\.[0-9]*'"
 
 # Verify current symlink exists and works
 check "current link dotnet" /usr/local/dotnet/current/dotnet --info

test/dotnet/install_dotnet_latest.sh

@@ -7,7 +7,7 @@ source dev-container-features-test-lib
 
 check "dotnet sdks" dotnet --list-sdks
 check "some major version of dotnet 7 is installed" bash -c "dotnet --list-sdks |  grep '7\.[0-9]*\.[0-9]*'"
-check "dotnet version 7 installed"  bash -c "ls -l /usr/share/dotnet/sdk | grep '7\.[0-9]*\.[0-9]*'"
+check "dotnet version 7 installed"  bash -c "ls -l /usr/lib/dotnet/sdk | grep '7\.[0-9]*\.[0-9]*'"
 
 # Verify current symlink exists and works
 check "current link dotnet" /usr/local/dotnet/current/dotnet --info

test/dotnet/scenarios.json

@@ -48,6 +48,14 @@
             }
         }
     },
+    "install_dotnet_6_jammy": {
+        "image": "mcr.microsoft.com/devcontainers/base:jammy",
+        "features": {
+            "dotnet": {
+                "version": "6"
+            }
+        }
+    },
     "install_dotnet_latest": {
         "image": "ubuntu:jammy",
         "features": {

test/dotnet/test.sh

@@ -11,7 +11,7 @@ check "sdks" dotnet --list-sdks
 check "version" dotnet --version
 
 echo "Validating expected version present..."
-check "some major version of dotnet 7 is installed" bash -c "dotnet --version |  grep '7\.[0-9]*\.[0-9]*'"
+check "some major version of dotnet (7/8) is installed" bash -c "dotnet --version |  grep '[7-8]\.[0-9]*\.[0-9]*'"
 
 # Verify current symlink exists and works
 check "current link dotnet" /usr/local/dotnet/current/dotnet --info