feat(dotnet): convert to v2 tool

src/usr/local/buildpack/tools/v2/dotnet.sh

@@ -0,0 +1,96 @@
+#!/bin/bash
+
+function prepare_tool() {
+  local version_codename
+
+  version_codename=$(get_distro)
+  case "$version_codename" in
+    "bionic") apt_install \
+      libc6 \
+      libgcc1 \
+      libgssapi-krb5-2 \
+      libicu60 \
+      libssl1.1 \
+      libstdc++6 \
+      zlib1g \
+      ;;
+    "focal") apt_install \
+      libc6 \
+      libgcc1 \
+      libgssapi-krb5-2 \
+      libicu66 \
+      libssl1.1 \
+      libstdc++6 \
+      zlib1g \
+      ;;
+    "jammy") apt_install \
+      libc6 \
+      libgcc1 \
+      libgssapi-krb5-2 \
+      libicu70 \
+      libssl3 \
+      libstdc++6 \
+      zlib1g \
+      ;;
+    *)
+      echo "Tool '${TOOL_NAME}' not supported on: ${version_codename}! Please use ubuntu 'bionic', 'focal' or 'jammy'." >&2
+      exit 1
+    ;;
+  esac
+
+  local tool_path
+  tool_path=$(create_tool_path)
+
+  export_env DOTNET_ROOT "${tool_path}"
+  export_env DOTNET_CLI_TELEMETRY_OPTOUT "1"
+  export_env DOTNET_SKIP_FIRST_TIME_EXPERIENCE "1"
+
+  mkdir -p "${USER_HOME}/.nuget" > /dev/null
+  chown "${USER_NAME}" "${USER_HOME}/.nuget"
+  chmod -R g+w "${USER_HOME}/.nuget"
+}
+
+function install_tool () {
+  local tool_path
+  tool_path=$(find_tool_path)
+
+  if [[ ! -d "${tool_path}" ]]; then
+    if [[ $(is_root) -ne 0 ]]; then
+      echo "${TOOL_NAME} not prepared"
+      exit 1
+    fi
+    prepare_tool
+    tool_path=$(find_tool_path)
+  fi
+
+  curl -sSL https://dot.net/v1/dotnet-install.sh | bash -s - --install-dir "$tool_path" --no-path --version "$TOOL_VERSION" --skip-non-versioned-files
+
+  # we need write access to some sub dirs for non root
+  if [[ $(is_root) -eq 0 ]]; then
+    find "$tool_path" -type d -exec chmod g+w {} \;
+  fi
+}
+
+function link_tool () {
+  local tool_path
+  tool_path=$(find_tool_path)
+
+  shell_wrapper "${TOOL_NAME}" "${tool_path}"
+
+  dotnet new > /dev/null
+  if [[ $(is_root) -eq 0 ]]; then
+    su "$USER_NAME" -c 'dotnet new' > /dev/null
+  fi
+
+  # command available since net core 3.1
+  # https://docs.microsoft.com/en-us/dotnet/core/tools/dotnet-nuget-list-source
+  if [[ ${MAJOR} -gt 3 || (${MAJOR} -eq 3 && ${MINOR} -ge 1) ]]; then
+    # See https://github.com/NuGet/Home/issues/11607
+    dotnet nuget list source > /dev/null
+    if [[ $(is_root) -eq 0 ]]; then
+      su "$USER_NAME" -c 'dotnet nuget list source' > /dev/null
+    fi
+  fi
+
+  dotnet --info
+}

test/dotnet/Dockerfile

@@ -10,15 +10,17 @@ COPY --chown=1000:0 test test
 WORKDIR /test
 
 #--------------------------------------
-# net3: dotnet 3.1 base image
+# net3: dotnet 3.1 base image (LTS)
 #--------------------------------------
 FROM base as net3
 
 ARG BUILDPACK_DEBUG
 ARG APT_HTTP_PROXY
 
+# stay at 3.1
 # renovate: datasource=docker lookupName=mcr.microsoft.com/dotnet/sdk versioning=docker
 RUN install-tool dotnet 3.1.419
+RUN set -ex; dotnet --version | grep 3.1.
 
 USER 1000
 
@@ -28,7 +30,7 @@ SHELL [ "/bin/sh", "-c" ]
 RUN dotnet --info
 
 #--------------------------------------
-# test: dotnet 3.1
+# test: dotnet 3.1 (LTS)
 #--------------------------------------
 FROM net3 as testa
 
@@ -41,7 +43,7 @@ RUN set -ex;  \
 
 
 #--------------------------------------
-# test: dotnet 6.0
+# test: dotnet 6.0 (LTS)
 #--------------------------------------
 FROM base as testb
 
@@ -58,11 +60,13 @@ RUN install-tool dotnet 6.0.300
 # Test duplicate install
 # renovate: datasource=docker lookupName=mcr.microsoft.com/dotnet/sdk versioning=docker
 RUN install-tool dotnet 6.0.300
+RUN set -ex; dotnet --version | grep 6.0.
 
 USER 1000
 
 RUN dotnet --info
 
+
 RUN set -ex; \
     dotnet restore --use-lock-file
 
@@ -71,6 +75,24 @@ RUN set -ex;  \
     dotnet restore --force-evaluate; \
     dotnet build
 
+#--------------------------------------
+# test: dotnet 6.0 (non-root, LTS)
+#--------------------------------------
+FROM net3 as testc
+
+ARG BUILDPACK_DEBUG
+
+# only patch updates
+# renovate: datasource=docker lookupName=mcr.microsoft.com/dotnet/sdk versioning=docker
+RUN install-tool dotnet 6.0.300
+RUN set -ex; dotnet --version | grep 6.0.
+
+RUN set -ex; \
+    dotnet restore --use-lock-file
+
+RUN set -ex;  \
+    dotnet add package Newtonsoft.Json --version 12.0.3; \
+    dotnet restore --force-evaluate
 
 #--------------------------------------
 # final
@@ -79,3 +101,4 @@ FROM base
 
 COPY --from=testa /.dummy /.dummy
 COPY --from=testb /.dummy /.dummy
+COPY --from=testc /.dummy /.dummy