Fix fallback to latest release containing tool PHAR

src/scripts/tools/add_tools.ps1

@@ -237,6 +237,26 @@ Function Add-ToolsHelper() {
   }
 }
 
+# Function to find the newest stable release containing a tool asset.
+Function Get-LastRelease($url) {
+  $releases_url = $url.Split('/latest/download/')[0]
+  $asset = $url.Split('/')[-1]
+  $page = 1
+  do {
+    $releases = (Get-File -Url "${releases_url}?page=$page&q=prerelease%3Afalse").Content
+    foreach ($match in [regex]::Matches($releases, 'src="([^"]+/releases/expanded_assets/[^"]+)"')) {
+      $assets_url = $match.Groups[1].Value
+      if (-not $assets_url.StartsWith("$releases_url/expanded_assets/")) { continue }
+      $download_path = $assets_url.Substring('https://github.com'.Length).Replace('/expanded_assets/', '/download/') + "/$asset"
+      $assets = (Get-File -Url $assets_url).Content
+      if ($assets.Contains("href=`"$download_path`"")) {
+        return "https://github.com$download_path"
+      }
+    }
+    $page++
+  } while ($releases.Contains('class="next_page"'))
+}
+
 # Function to add tools.
 Function Add-Tool() {
   Param (
@@ -288,15 +308,17 @@ Function Add-Tool() {
       try {
         $status_code = (Invoke-WebRequest -Passthru -Uri $url -OutFile $tool_path).StatusCode
       } catch {
-        if($url -match '.*github.com.*releases.*latest.*') {
+        $status_code = 0
+        if($url -match '^https://github\.com/[^/]+/[^/]+/releases/latest/download/[^/?#]+$') {
           try {
-            $url = $url.replace("releases/latest/download", "releases/download/" + ([regex]::match((Get-File -Url ($url.split('/release')[0] + "/releases")).Content, "([0-9]+\.[0-9]+\.[0-9]+)/" + ($url.Substring($url.LastIndexOf("/") + 1))).Groups[0].Value).split('/')[0])
-            $status_code = (Invoke-WebRequest -Passthru -Uri $url -OutFile $tool_path).StatusCode
+            $release_url = Get-LastRelease $url
+            if ($release_url) {
+              $url = $release_url
+              $status_code = (Invoke-WebRequest -Passthru -Uri $url -OutFile $tool_path).StatusCode
+            }
           } catch {
             $status_code = 0
           }
-        } else {
-          $status_code = 0
         }
       }
       if($status_code -eq 200 -and (Test-Path $tool_path)) {

src/scripts/tools/add_tools.sh

@@ -203,6 +203,27 @@ add_tools_helper() {
   done
 }
 
+# Function to find the newest stable release containing a tool asset.
+get_last_release() {
+  local releases_url="${1%/latest/download/*}"
+  local asset="${1##*/}"
+  local page=1 releases assets_url tag download_path
+  while true; do
+    releases=$(get -s -n "" "$releases_url?page=$page&q=prerelease%3Afalse") || return 1
+    while IFS= read -r assets_url; do
+      [[ "$assets_url" = "$releases_url/expanded_assets/"* ]] || continue
+      tag="${assets_url#"$releases_url/expanded_assets/"}"
+      download_path="${releases_url#https://github.com}/download/$tag/$asset"
+      if get -s -n "" "$assets_url" | grep -Fq "href=\"$download_path\""; then
+        printf 'https://github.com%s\n' "$download_path"
+        return 0
+      fi
+    done <<< "$(printf '%s' "$releases" | grep -Eo 'src="[^"]+/releases/expanded_assets/[^"]+"' | cut -d '"' -f 2)"
+    [[ "$releases" = *'class="next_page"'* ]] || return 1
+    page=$((page + 1))
+  done
+}
+
 # Function to setup a remote tool.
 add_tool() {
   url=$1
@@ -243,9 +264,12 @@ add_tool() {
   else
     [ -f "$tool_path" ] && sudo cp -a "$tool_path" "$tool_path.bak"
     status_code=$(get -v -e "$tool_path" "${url[@]}")
-    if [ "$status_code" != "200" ] && [[ "${url[0]}" =~ .*github.com.*releases.*latest.* ]]; then
-      url[0]="${url[0]//releases\/latest\/download/releases/download/$(get -s -n "" "$(echo "${url[0]}" | cut -d '/' -f '1-5')/releases" | grep -Eo -m 1 "([0-9]+\.[0-9]+\.[0-9]+)/$(echo "${url[0]}" | sed -e "s/.*\///")" | cut -d '/' -f 1)}"
-      status_code=$(get -v -e "$tool_path" "${url[0]}")
+    if [ "$status_code" != "200" ] && [[ "${url[0]}" =~ ^https://github\.com/[^/]+/[^/]+/releases/latest/download/[^/?#]+$ ]]; then
+      local release_url
+      if release_url=$(get_last_release "${url[0]}"); then
+        url[0]="$release_url"
+        status_code=$(get -v -e "$tool_path" "${url[0]}")
+      fi
     fi
     if [ "$status_code" = "200" ]; then
       if [ -n "$checksum" ] && ! verify_checksum "$tool_path" "$checksum"; then