V2 - Use new .NET CDN URLs and update to latest install scripts (#568)

* new cdn url changes

* Fix Workflow

* Fix CI failures for ubuntu-latest

* Fix upload-artifact@v4

* Fix proxy test issue

* Fix Proxy env issue

* Fix globalization invariant issue

* Fix libssl issue

* Install libssl1.1 to fix CI failures

* Add fallback logic

* Fix CI failures dist

* Update installer.ts

* Update installer.ts

* Fix proxy test failure

* Update signed version

---------

Co-authored-by: Priya Gupta <147705955+priyagupta108@users.noreply.github.com>

.github/workflows/check-dist.yml

@@ -45,7 +45,7 @@ jobs:
         id: diff
 
       # If index.js was different than expected, upload the expected version as an artifact
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         if: ${{ failure() && steps.diff.conclusion == 'failure' }}
         with:
           name: dist

.github/workflows/test-dotnet.yml

@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macOS-latest]
+        operating-system: [ubuntu-22.04, windows-latest, macOS-latest]
         dotnet-version: ['2.1', '2.2', '3.0', '3.1', '5.0']
     steps:
       - name: Checkout

.github/workflows/workflow.yml

@@ -39,7 +39,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macOS-latest]
+        operating-system: [ubuntu-22.04, windows-latest, macOS-latest]
     steps:
       - name: Checkout
         uses: actions/checkout@v3
@@ -62,7 +62,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macOS-latest]
+        operating-system: [ubuntu-22.04, windows-latest, macos-13]
     steps:
       - name: Checkout
         uses: actions/checkout@v3
@@ -95,7 +95,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macOS-latest]
+        operating-system: [ubuntu-22.04, windows-latest, macOS-latest]
     steps:
       - name: Checkout
         uses: actions/checkout@v3
@@ -120,7 +120,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macOS-latest]
+        operating-system: [ubuntu-22.04, windows-latest, macOS-latest]
     steps:
       - name: Checkout
         uses: actions/checkout@v3
@@ -144,7 +144,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macOS-latest]
+        operating-system: [ubuntu-22.04, windows-latest, macOS-latest]
     steps:
       - name: Checkout
         uses: actions/checkout@v3
@@ -168,7 +168,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macOS-latest]
+        operating-system: [ubuntu-22.04, windows-latest, macOS-latest]
     steps:
       - name: Checkout
         uses: actions/checkout@v3
@@ -190,18 +190,20 @@ jobs:
         run: __tests__/verify-dotnet.ps1 2.2 3.1
 
   test-proxy:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     container:
-      image: mcr.microsoft.com/dotnet/core/runtime-deps:3.0-bionic
+      image: ubuntu:20.04
       options: --dns 127.0.0.1
     services:
       squid-proxy:
-        image: datadog/squid:latest
+        image: ubuntu/squid:latest
         ports:
           - 3128:3128
     env:
       https_proxy: http://squid-proxy:3128
       http_proxy: http://squid-proxy:3128
+      DOTNET_SYSTEM_GLOBALIZATION_INVARIANT: true
+
     steps:
       - name: Checkout
         uses: actions/checkout@v3
@@ -210,7 +212,7 @@ jobs:
       - name: Install curl
         run: |
           apt update
-          apt -y install curl
+          apt -y install curl libssl1.1 libssl-dev
       - name: Setup dotnet 3.1.201
         uses: ./
         with:
@@ -222,7 +224,7 @@ jobs:
         run: __tests__/verify-dotnet.sh 3.1.201
 
   test-bypass-proxy:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     env:
       https_proxy: http://no-such-proxy:3128
       no_proxy: github.com,dotnetcli.blob.core.windows.net,download.visualstudio.microsoft.com,api.nuget.org,dotnetcli.azureedge.net

dist/index.js

@@ -379,7 +379,13 @@ class DotnetCoreInstaller {
     }
     getReleasesJsonUrl(httpClient, versionParts) {
         return __awaiter(this, void 0, void 0, function* () {
-            const response = yield httpClient.getJson(DotNetCoreIndexUrl);
+            let response;
+            try {
+                response = yield httpClient.getJson(DotNetCoreIndexUrl);
+            }
+            catch (error) {
+                response = yield httpClient.getJson(DotnetCoreIndexFallbackUrl);
+            }
             const result = response.result || {};
             let releasesInfo = result['releases-index'];
             releasesInfo = releasesInfo.filter((info) => {
@@ -403,7 +409,8 @@ class DotnetCoreInstaller {
     }
 }
 exports.DotnetCoreInstaller = DotnetCoreInstaller;
-const DotNetCoreIndexUrl = 'https://dotnetcli.blob.core.windows.net/dotnet/release-metadata/releases-index.json';
+const DotNetCoreIndexUrl = 'https://builds.dotnet.microsoft.com/dotnet/release-metadata/releases-index.json';
+const DotnetCoreIndexFallbackUrl = 'https://dotnetcli.blob.core.windows.net/dotnet/release-metadata/releases-index.json';
 
 
 /***/ }),

externals/install-dotnet.sh

@@ -298,11 +298,20 @@ get_machine_architecture() {
     if command -v uname > /dev/null; then
         CPUName=$(uname -m)
         case $CPUName in
+        armv1*|armv2*|armv3*|armv4*|armv5*|armv6*)
+            echo "armv6-or-below"
+            return 0
+            ;;
         armv*l)
             echo "arm"
             return 0
             ;;
         aarch64|arm64)
+            if [ "$(getconf LONG_BIT)" -lt 64 ]; then
+                # This is 32-bit OS running on 64-bit CPU (for example Raspberry Pi OS)
+                echo "arm"
+                return 0
+            fi
             echo "arm64"
             return 0
             ;;
@@ -310,6 +319,22 @@ get_machine_architecture() {
             echo "s390x"
             return 0
             ;;
+        ppc64le)
+            echo "ppc64le"
+            return 0
+            ;;
+        loongarch64)
+            echo "loongarch64"
+            return 0
+            ;;
+        riscv64)
+            echo "riscv64"
+            return 0
+            ;;
+        powerpc|ppc)
+            echo "ppc"
+            return 0
+            ;;
         esac
     fi
 
@@ -326,7 +351,13 @@ get_normalized_architecture_from_architecture() {
     local architecture="$(to_lowercase "$1")"
 
     if [[ $architecture == \<auto\> ]]; then
-        echo "$(get_machine_architecture)"
+        machine_architecture="$(get_machine_architecture)"
+        if [[ "$machine_architecture" == "armv6-or-below" ]]; then
+            say_err "Architecture \`$machine_architecture\` not supported. If you think this is a bug, report it at https://github.com/dotnet/install-scripts/issues"
+            return 1
+        fi
+
+        echo $machine_architecture
         return 0
     fi
 
@@ -347,6 +378,14 @@ get_normalized_architecture_from_architecture() {
             echo "s390x"
             return 0
             ;;
+        ppc64le)
+            echo "ppc64le"
+            return 0
+            ;;
+        loongarch64)
+            echo "loongarch64"
+            return 0
+            ;;
     esac
 
     say_err "Architecture \`$architecture\` not supported. If you think this is a bug, report it at https://github.com/dotnet/install-scripts/issues"
@@ -384,11 +423,17 @@ get_normalized_architecture_for_specific_sdk_version() {
 # args:
 # version or channel - $1
 is_arm64_supported() {
-    #any channel or version that starts with the specified versions
+    # Extract the major version by splitting on the dot
-    case "$1" in
+    major_version="${1%%.*}"
-        ( "1"* | "2"* | "3"*  | "4"* | "5"*) 
+
-            echo false
+    # Check if the major version is a valid number and less than 6
-            return 0
+    case "$major_version" in
+        [0-9]*)  
+            if [ "$major_version" -lt 6 ]; then
+                echo false
+                return 0
+            fi
+            ;;
     esac
 
     echo true
@@ -407,8 +452,13 @@ get_normalized_os() {
                 echo "$osname"
                 return 0
                 ;;
+            macos)
+                osname='osx'
+                echo "$osname"
+                return 0
+                ;;
             *)
-                say_err "'$user_defined_os' is not a supported value for --os option, supported values are: osx, linux, linux-musl, freebsd, rhel.6. If you think this is a bug, report it at https://github.com/dotnet/install-scripts/issues."
+                say_err "'$user_defined_os' is not a supported value for --os option, supported values are: osx, macos, linux, linux-musl, freebsd, rhel.6. If you think this is a bug, report it at https://github.com/dotnet/install-scripts/issues."
                 return 1
                 ;;
         esac
@@ -451,6 +501,10 @@ get_normalized_channel() {
 
     local channel="$(to_lowercase "$1")"
 
+    if [[ $channel == current ]]; then
+        say_warning 'Value "Current" is deprecated for -Channel option. Use "STS" instead.'
+    fi
+
     if [[ $channel == release/* ]]; then
         say_warning 'Using branch name with -Channel option is no longer supported with newer releases. Use -Quality option with a channel in X.Y format instead.';
     fi
@@ -461,6 +515,14 @@ get_normalized_channel() {
                 echo "LTS"
                 return 0
                 ;;
+            sts)
+                echo "STS"
+                return 0
+                ;;
+            current)
+                echo "STS"
+                return 0
+                ;;
             *)
                 echo "$channel"
                 return 0
@@ -526,6 +588,40 @@ is_dotnet_package_installed() {
     fi
 }
 
+# args:
+# downloaded file - $1
+# remote_file_size - $2
+validate_remote_local_file_sizes() 
+{
+    eval $invocation
+
+    local downloaded_file="$1"
+    local remote_file_size="$2"
+    local file_size=''
+
+    if [[ "$OSTYPE" == "linux-gnu"* ]]; then
+        file_size="$(stat -c '%s' "$downloaded_file")"
+    elif [[ "$OSTYPE" == "darwin"* ]]; then
+        # hardcode in order to avoid conflicts with GNU stat
+        file_size="$(/usr/bin/stat -f '%z' "$downloaded_file")"
+    fi  
+    
+    if [ -n "$file_size" ]; then
+        say "Downloaded file size is $file_size bytes."
+
+        if [ -n "$remote_file_size" ] && [ -n "$file_size" ]; then
+            if [ "$remote_file_size" -ne "$file_size" ]; then
+                say "The remote and local file sizes are not equal. The remote file size is $remote_file_size bytes and the local size is $file_size bytes. The local package may be corrupted."
+            else
+                say "The remote and local file sizes are equal."
+            fi
+        fi
+        
+    else
+        say "Either downloaded or local package size can not be measured. One of them may be corrupted."      
+    fi 
+}
+
 # args:
 # azure_feed - $1
 # channel - $2
@@ -860,6 +956,37 @@ get_absolute_path() {
     return 0
 }
 
+# args:
+# override - $1 (boolean, true or false)
+get_cp_options() {
+    eval $invocation
+
+    local override="$1"
+    local override_switch=""
+
+    if [ "$override" = false ]; then
+        override_switch="-n"
+
+        # create temporary files to check if 'cp -u' is supported
+        tmp_dir="$(mktemp -d)"
+        tmp_file="$tmp_dir/testfile"
+        tmp_file2="$tmp_dir/testfile2"
+
+        touch "$tmp_file"
+
+        # use -u instead of -n if it's available
+        if cp -u "$tmp_file" "$tmp_file2" 2>/dev/null; then
+            override_switch="-u"
+        fi
+
+        # clean up
+        rm -f "$tmp_file" "$tmp_file2"
+        rm -rf "$tmp_dir"
+    fi
+
+    echo "$override_switch"
+}
+
 # args:
 # input_files - stdin
 # root_path - $1
@@ -871,15 +998,7 @@ copy_files_or_dirs_from_list() {
     local root_path="$(remove_trailing_slash "$1")"
     local out_path="$(remove_trailing_slash "$2")"
     local override="$3"
-    local osname="$(get_current_os_name)"
+    local override_switch="$(get_cp_options "$override")"
-    local override_switch=$(
-        if [ "$override" = false ]; then
-            if [ "$osname" = "linux-musl" ]; then
-                printf -- "-u";
-            else
-                printf -- "-n";
-            fi
-        fi)
 
     cat | uniq | while read -r file_path; do
         local path="$(remove_beginning_slash "${file_path#$root_path}")"
@@ -894,14 +1013,39 @@ copy_files_or_dirs_from_list() {
     done
 }
 
+# args:
+# zip_uri - $1
+get_remote_file_size() {
+    local zip_uri="$1"
+
+    if machine_has "curl"; then
+        file_size=$(curl -sI  "$zip_uri" | grep -i content-length | awk '{ num = $2 + 0; print num }')
+    elif machine_has "wget"; then
+        file_size=$(wget --spider --server-response -O /dev/null "$zip_uri" 2>&1 | grep -i 'Content-Length:' | awk '{ num = $2 + 0; print num }')
+    else
+        say "Neither curl nor wget is available on this system."
+        return
+    fi
+
+    if [ -n "$file_size" ]; then
+        say "Remote file $zip_uri size is $file_size bytes."
+        echo "$file_size"
+    else
+        say_verbose "Content-Length header was not extracted for $zip_uri."
+        echo ""
+    fi
+}
+
 # args:
 # zip_path - $1
 # out_path - $2
+# remote_file_size - $3
 extract_dotnet_package() {
     eval $invocation
 
     local zip_path="$1"
     local out_path="$2"
+    local remote_file_size="$3"
 
     local temp_out_path="$(mktemp -d "$temporary_file_template")"
 
@@ -912,8 +1056,12 @@ extract_dotnet_package() {
     find "$temp_out_path" -type f | grep -Eo "$folders_with_version_regex" | sort | copy_files_or_dirs_from_list "$temp_out_path" "$out_path" false
     find "$temp_out_path" -type f | grep -Ev "$folders_with_version_regex" | copy_files_or_dirs_from_list "$temp_out_path" "$out_path" "$override_non_versioned_files"
     
+    validate_remote_local_file_sizes "$zip_path" "$remote_file_size"
+    
     rm -rf "$temp_out_path"
-    rm -f "$zip_path" && say_verbose "Temporary zip file $zip_path was removed"
+    if [ -z ${keep_zip+x} ]; then
+        rm -f "$zip_path" && say_verbose "Temporary archive file $zip_path was removed"
+    fi
 
     if [ "$failed" = true ]; then
         say_err "Extraction failed"
@@ -1124,13 +1272,69 @@ downloadwget() {
     return 0
 }
 
+extract_stem() {
+    local url="$1"
+    # extract the protocol
+    proto="$(echo $1 | grep :// | sed -e's,^\(.*://\).*,\1,g')"
+    # remove the protocol
+    url="${1/$proto/}"
+    # extract the path (if any) - since we know all of our feeds have a first path segment, we can skip the first one. otherwise we'd use -f2- to get the full path
+    full_path="$(echo $url | grep / | cut -d/ -f2-)"
+    path="$(echo $full_path | cut -d/ -f2-)"
+    echo $path
+}
+
+check_url_exists() {
+    eval $invocation
+    local url="$1"
+
+    local code=""
+    if machine_has "curl"
+    then
+        code=$(curl --head -o /dev/null -w "%{http_code}" -s --fail "$url");
+    elif machine_has "wget"
+    then
+        # get the http response, grab the status code
+        server_response=$(wget -qO- --method=HEAD --server-response "$url" 2>&1)
+        code=$(echo "$server_response" | grep "HTTP/" | awk '{print $2}')
+    fi
+    if [ $code = "200" ]; then
+        return 0
+    else
+        return 1
+    fi
+}
+
+sanitize_redirect_url() {
+    eval $invocation
+
+    local url_stem
+    url_stem=$(extract_stem "$1")
+    say_verbose "Checking configured feeds for the asset at ${yellow:-}$url_stem${normal:-}"
+
+    for feed in "${feeds[@]}"
+    do
+        local trial_url="$feed/$url_stem"
+        say_verbose "Checking ${yellow:-}$trial_url${normal:-}"
+        if check_url_exists "$trial_url"; then
+            say_verbose "Found a match at ${yellow:-}$trial_url${normal:-}"
+            echo "$trial_url"
+            return 0
+        else
+            say_verbose "No match at ${yellow:-}$trial_url${normal:-}"
+        fi
+    done
+    return 1
+}
+
 get_download_link_from_aka_ms() {
     eval $invocation
 
-    #quality is not supported for LTS or current channel
+    #quality is not supported for LTS or STS channel
-    if [[ ! -z "$normalized_quality"  && ("$normalized_channel" == "LTS" || "$normalized_channel" == "current") ]]; then
+    #STS maps to current
+    if [[ ! -z "$normalized_quality"  && ("$normalized_channel" == "LTS" || "$normalized_channel" == "STS") ]]; then
         normalized_quality=""
-        say_warning "Specifying quality for current or LTS channel is not supported, the quality will be ignored."
+        say_warning "Specifying quality for STS or LTS channel is not supported, the quality will be ignored."
     fi
 
     say_verbose "Retrieving primary payload URL from aka.ms for channel: '$normalized_channel', quality: '$normalized_quality', product: '$normalized_product', os: '$normalized_os', architecture: '$normalized_architecture'." 
@@ -1159,6 +1363,12 @@ get_download_link_from_aka_ms() {
     http_codes=$( echo "$response" | awk '$1 ~ /^HTTP/ {print $2}' )
     # They all need to be 301, otherwise some links are broken (except for the last, which is not a redirect but 200 or 404).
     broken_redirects=$( echo "$http_codes" | sed '$d' | grep -v '301' )
+    # The response may end without final code 2xx/4xx/5xx somehow, e.g. network restrictions on www.bing.com causes redirecting to bing.com fails with connection refused.
+    # In this case it should not exclude the last.
+    last_http_code=$(  echo "$http_codes" | tail -n 1 )
+    if ! [[ $last_http_code =~ ^(2|4|5)[0-9][0-9]$ ]]; then
+        broken_redirects=$( echo "$http_codes" | grep -v '301' )
+    fi
 
     # All HTTP codes are 301 (Moved Permanently), the redirect link exists.
     if [[ -z "$broken_redirects" ]]; then
@@ -1169,6 +1379,11 @@ get_download_link_from_aka_ms() {
             return 1
         fi
 
+        sanitized_redirect_url=$(sanitize_redirect_url "$aka_ms_download_link")
+        if [[ -n "$sanitized_redirect_url" ]]; then
+            aka_ms_download_link="$sanitized_redirect_url"
+        fi
+
         say_verbose "The redirect location retrieved: '$aka_ms_download_link'."
         return 0
     else
@@ -1180,7 +1395,9 @@ get_download_link_from_aka_ms() {
 get_feeds_to_use()
 {
     feeds=(
+    "https://builds.dotnet.microsoft.com/dotnet"
     "https://dotnetcli.azureedge.net/dotnet"
+    "https://ci.dot.net/public"
     "https://dotnetbuilds.azureedge.net/public"
     )
 
@@ -1239,7 +1456,7 @@ generate_akams_links() {
 
     normalized_version="$(to_lowercase "$version")"
     if [[ "$normalized_version" != "latest" ]] && [ -n "$normalized_quality" ]; then
-        say_err "Quality and Version options are not allowed to be specified simultaneously. See https://docs.microsoft.com/en-us/dotnet/core/tools/dotnet-install-script#options for details."
+        say_err "Quality and Version options are not allowed to be specified simultaneously. See https://learn.microsoft.com/dotnet/core/tools/dotnet-install-script#options for details."
         return 1
     fi
 
@@ -1406,10 +1623,11 @@ install_dotnet() {
     eval $invocation
     local download_failed=false
     local download_completed=false
+    local remote_file_size=0
 
     mkdir -p "$install_root"
-    zip_path="$(mktemp "$temporary_file_template")"
+    zip_path="${zip_path:-$(mktemp "$temporary_file_template")}"
-    say_verbose "Zip path: $zip_path"
+    say_verbose "Archive path: $zip_path"
 
     for link_index in "${!download_links[@]}"
     do
@@ -1433,7 +1651,7 @@ install_dotnet() {
                 say "Failed to download $link_type link '$download_link': $download_error_msg"
                 ;;
             esac
-            rm -f "$zip_path" 2>&1 && say_verbose "Temporary zip file $zip_path was removed"
+            rm -f "$zip_path" 2>&1 && say_verbose "Temporary archive file $zip_path was removed"
         else
             download_completed=true
             break
@@ -1446,8 +1664,10 @@ install_dotnet() {
         return 1
     fi
 
-    say "Extracting zip from $download_link"
+    remote_file_size="$(get_remote_file_size "$download_link")"
-    extract_dotnet_package "$zip_path" "$install_root" || return 1
+
+    say "Extracting archive from $download_link"
+    extract_dotnet_package "$zip_path" "$install_root" "$remote_file_size" || return 1
 
     #  Check if the SDK version is installed; if not, fail the installation.
     # if the version contains "RTM" or "servicing"; check if a 'release-type' SDK version is installed.
@@ -1597,25 +1817,42 @@ do
             override_non_versioned_files=false
             non_dynamic_parameters+=" $name"
             ;;
+        --keep-zip|-[Kk]eep[Zz]ip)
+            keep_zip=true
+            non_dynamic_parameters+=" $name"
+            ;;
+        --zip-path|-[Zz]ip[Pp]ath)
+            shift
+            zip_path="$1"
+            ;;
         -?|--?|-h|--help|-[Hh]elp)
-            script_name="$(basename "$0")"
+            script_name="dotnet-install.sh"
             echo ".NET Tools Installer"
-            echo "Usage: $script_name [-c|--channel <CHANNEL>] [-v|--version <VERSION>] [-p|--prefix <DESTINATION>]"
+            echo "Usage:"
+            echo "       # Install a .NET SDK of a given Quality from a given Channel"
+            echo "       $script_name [-c|--channel <CHANNEL>] [-q|--quality <QUALITY>]"
+            echo "       # Install a .NET SDK of a specific public version"
+            echo "       $script_name [-v|--version <VERSION>]"
             echo "       $script_name -h|-?|--help"
             echo ""
             echo "$script_name is a simple command line interface for obtaining dotnet cli."
+            echo "    Note that the intended use of this script is for Continuous Integration (CI) scenarios, where:"
+            echo "    - The SDK needs to be installed without user interaction and without admin rights."
+            echo "    - The SDK installation doesn't need to persist across multiple CI runs."
+            echo "    To set up a development environment or to run apps, use installers rather than this script. Visit https://dotnet.microsoft.com/download to get the installer."
             echo ""
             echo "Options:"
             echo "  -c,--channel <CHANNEL>         Download from the channel specified, Defaults to \`$channel\`."
             echo "      -Channel"
             echo "          Possible values:"
-            echo "          - Current - most current release"
+            echo "          - STS - the most recent Standard Term Support release"
-            echo "          - LTS - most current supported release"
+            echo "          - LTS - the most recent Long Term Support release"
             echo "          - 2-part version in a format A.B - represents a specific release"
             echo "              examples: 2.0; 1.0"
             echo "          - 3-part version in a format A.B.Cxx - represents a specific SDK release"
             echo "              examples: 5.0.1xx, 5.0.2xx."
             echo "              Supported since 5.0 release"
+            echo "          Warning: Value 'Current' is deprecated for the Channel parameter. Use 'STS' instead."
             echo "          Note: The version parameter overrides the channel parameter when any version other than 'latest' is used."
             echo "  -v,--version <VERSION>         Use specific VERSION, Defaults to \`$version\`."
             echo "      -Version"
@@ -1626,7 +1863,7 @@ do
             echo "  -q,--quality <quality>         Download the latest build of specified quality in the channel."
             echo "      -Quality"
             echo "          The possible values are: daily, signed, validated, preview, GA."
-            echo "          Works only in combination with channel. Not applicable for current and LTS channels and will be ignored if those channels are used." 
+            echo "          Works only in combination with channel. Not applicable for STS and LTS channels and will be ignored if those channels are used." 
             echo "          For SDK use channel in A.B.Cxx format. Using quality for SDK together with channel in A.B format is not supported." 
             echo "          Supported since 5.0 release." 
             echo "          Note: The version parameter overrides the channel parameter when any version other than 'latest' is used, and therefore overrides the quality."
@@ -1637,7 +1874,7 @@ do
             echo "      -InstallDir"
             echo "  --architecture <ARCHITECTURE>      Architecture of dotnet binaries to be installed, Defaults to \`$architecture\`."
             echo "      --arch,-Architecture,-Arch"
-            echo "          Possible values: x64, arm, arm64 and s390x"
+            echo "          Possible values: x64, arm, arm64, s390x, ppc64le and loongarch64"
             echo "  --os <system>                    Specifies operating system to be used when selecting the installer."
             echo "          Overrides the OS determination approach used by the script. Supported values: osx, linux, linux-musl, freebsd, rhel.6."
             echo "          In case any other value is provided, the platform will be determined by the script based on machine configuration."
@@ -1662,6 +1899,8 @@ do
             echo "  --no-cdn,-NoCdn                    Disable downloading from the Azure CDN, and use the uncached feed directly."
             echo "  --jsonfile <JSONFILE>              Determines the SDK version from a user specified global.json file."
             echo "                                     Note: global.json must have a value for 'SDK:Version'"
+            echo "  --keep-zip,-KeepZip                If set, downloaded file is kept."
+            echo "  --zip-path, -ZipPath               If set, downloaded file is stored at the specified path."
             echo "  -?,--?,-h,--help,-Help             Shows this help message"
             echo ""
             echo "Install Location:"
@@ -1680,10 +1919,10 @@ do
     shift
 done
 
-say "Note that the intended use of this script is for Continuous Integration (CI) scenarios, where:"
+say_verbose "Note that the intended use of this script is for Continuous Integration (CI) scenarios, where:"
-say "- The SDK needs to be installed without user interaction and without admin rights."
+say_verbose "- The SDK needs to be installed without user interaction and without admin rights."
-say "- The SDK installation doesn't need to persist across multiple CI runs."
+say_verbose "- The SDK installation doesn't need to persist across multiple CI runs."
-say "To set up a development environment or to run apps, use installers rather than this script. Visit https://dotnet.microsoft.com/download to get the installer.\n"
+say_verbose "To set up a development environment or to run apps, use installers rather than this script. Visit https://dotnet.microsoft.com/download to get the installer.\n"
 
 if [ "$internal" = true ] && [ -z "$(echo $feed_credential)" ]; then
     message="Provide credentials via --feed-credential parameter."
@@ -1716,5 +1955,5 @@ else
 fi
 
 say "Note that the script does not resolve dependencies during installation."
-say "To check the list of dependencies, go to https://docs.microsoft.com/dotnet/core/install, select your operating system and check the \"Dependencies\" section."
+say "To check the list of dependencies, go to https://learn.microsoft.com/dotnet/core/install, select your operating system and check the \"Dependencies\" section."
 say "Installation finished successfully."

src/installer.ts

@@ -262,7 +262,12 @@ export class DotnetCoreInstaller {
     httpClient: hc.HttpClient,
     versionParts: string[]
   ): Promise<string> {
-    const response = await httpClient.getJson<any>(DotNetCoreIndexUrl);
+    let response;
+    try {
+      response = await httpClient.getJson<any>(DotNetCoreIndexUrl);
+    } catch (error) {
+      response = await httpClient.getJson<any>(DotnetCoreIndexFallbackUrl);
+    }
     const result = response.result || {};
     let releasesInfo: any[] = result['releases-index'];
 
@@ -301,4 +306,7 @@ export class DotnetCoreInstaller {
 }
 
 const DotNetCoreIndexUrl: string =
+  'https://builds.dotnet.microsoft.com/dotnet/release-metadata/releases-index.json';
+
+const DotnetCoreIndexFallbackUrl: string =
   'https://dotnetcli.blob.core.windows.net/dotnet/release-metadata/releases-index.json';