Comment out games with #// instead of just # at top of file.

linux-game-manager.sh

@@ -455,8 +455,54 @@ clear_cache() {
     ui_msgbox "Linux Game Manager" "Linux Game Manager" "Cache deleted."
 }
 
+download_with_fallback() {
+    local outputPath="$1"
+    local sourceUrl="$2"
+    local firstExitCode=0
+    local secondExitCode=0
+    local thirdExitCode=0
+    local errorFile=""
+    downloadCurlExitCodes=""
+    downloadErrorLog=""
+
+    if ! errorFile="$(mktemp)"; then
+        return 1
+    fi
+
+    if curl -L4 -C - --retry 10 --output "${outputPath}" "${sourceUrl}" 2> "${errorFile}"; then
+        rm -f "${errorFile}"
+        return 0
+    fi
+    firstExitCode=$?
+
+    # Some hosts reject resume requests. Retry from scratch.
+    rm -f "${outputPath}"
+    if curl -L4 --retry 10 --output "${outputPath}" "${sourceUrl}" 2>> "${errorFile}"; then
+        rm -f "${errorFile}"
+        return 0
+    fi
+    secondExitCode=$?
+
+    # If IPv4-only fails, retry allowing either IP family.
+    rm -f "${outputPath}"
+    if curl -L --retry 10 --output "${outputPath}" "${sourceUrl}" 2>> "${errorFile}"; then
+        rm -f "${errorFile}"
+        return 0
+    fi
+    thirdExitCode=$?
+
+    downloadCurlExitCodes="${firstExitCode}, ${secondExitCode}, ${thirdExitCode}"
+    if cp -f "${errorFile}" "${cache}/curl-error.log" 2> /dev/null; then
+        downloadErrorLog="${cache}/curl-error.log"
+        rm -f "${errorFile}"
+    else
+        downloadErrorLog="${errorFile}"
+    fi
+    return 1
+}
+
 download() {
-   local source=($@)
+   local source=("$@")
    for i in "${source[@]}" ; do
        local dest="${i##*/}"
        dest="${dest//%20/ }"
@@ -469,8 +515,8 @@ download() {
        fi
        # Skip if the item is in cache.
        [[ -e "${cache}/${dest}" ]] && continue
-       { if ! curl -L4 -C - --retry 10 --output "${cache}/${dest}" "${i}" ; then
-           ui_msgbox "Linux Game Manager" "Linux Game Manager" "Could not download \"$i\"..."
+       { if ! download_with_fallback "${cache}/${dest}" "${i}" ; then
+           ui_msgbox "Linux Game Manager" "Linux Game Manager" "Could not download \"$i\"...\n\ncurl exit codes: ${downloadCurlExitCodes}\nError details: ${downloadErrorLog}"
            exit 1
        fi; } | ui_progressbox "Linux Game Manager" "Downloading \"$dest\" from \"$i\""
        local downloadError=1
@@ -526,8 +572,8 @@ download_named() {
     fi
     # Skip if the item is in cache.
     test -e "${cache}/${dest}" && return
-    if ! curl -L4 --output "${cache}/${dest}" "${2}" ; then
-        ui_msgbox "Linux Game Manager" "Linux Game Manager" "Could not download \"$dest\"..."
+    if ! download_with_fallback "${cache}/${dest}" "${2}" ; then
+        ui_msgbox "Linux Game Manager" "Linux Game Manager" "Could not download \"$dest\"...\n\ncurl exit codes: ${downloadCurlExitCodes}\nError details: ${downloadErrorLog}"
         exit 1
     fi
 }
@@ -597,10 +643,10 @@ help() {
 game_installer() {
     # Create the menu of available games by reading from .install directory
     declare -a menuList
-    # Get all .sh files from .install directory, excluding those starting with #, and sort them
+    # Get all .sh files from .install directory, excluding those starting with #//, and sort them
     mapfile -t sortedGames < <(for f in "${0%/*}/.install/"*.sh; do
-        # Skip if first line starts with #
-        [[ $(head -n1 "$f") == "#"* ]] && continue
+        # Skip if first line starts with #//
+        [[ $(head -n1 "$f") == "#//"* ]] && continue
         # Output filename without .sh extension
         echo "${f##*/}"
     done | sort)
@@ -759,7 +805,7 @@ game_launcher() {
         if [[ -d ".launch" ]]; then
             find -L "${0%/*}/.launch" -maxdepth 1 -type f -iname "*.sh" -print0 | sort -z | xargs -0 bash -c '
                 for f; do
-                        [[ $(head -n1 "$f") =~ ^#$ ]] && continue
+                        [[ $(head -n1 "$f") == "#//"* ]] && continue
                         name="${f##*/}"
                         echo "$f"
                         echo "${name%.sh}"