Fix SquashFS options in profiledef.sh for better compression and add verification step in build.yaml

Author: Githubguy132010

.github/workflows/build.yaml

@@ -85,6 +85,13 @@ jobs:
             rm -rf workdir/ out/
             mkdir -p out/
             
+            # Fix the profiledef.sh file to ensure correct SquashFS options
+            sed -i 's/-threads/-Xcompression-threads/' profiledef.sh || true
+            
+            # Verify SquashFS options
+            echo '=== Checking SquashFS options in profiledef.sh ==='
+            grep 'airootfs_image_tool_options' profiledef.sh
+            
             # Build the ISO with verbose output
             mkarchiso -v -w workdir/ -o out/ . 2>&1 | tee build.log || {
               echo '::error::ISO build failed!'

profiledef.sh

@@ -14,10 +14,12 @@ bootmodes=('bios.syslinux.mbr' 'bios.syslinux.eltorito'
 arch="x86_64"
 pacman_conf="pacman.conf"
 airootfs_image_type="squashfs"
-# Use better compression options based on available CPU cores
+# Use better compression options correctly formatted for mksquashfs
 if [ "$(nproc)" -gt 2 ]; then
-  airootfs_image_tool_options=('-comp' 'xz' '-Xbcj' 'x86' '-b' '1M' '-Xdict-size' '1M' '-threads' "$(nproc)")
+  # For multi-core systems: use XZ with bcj x86 filter and multi-threaded compression
+  airootfs_image_tool_options=('-comp' 'xz' '-Xbcj' 'x86' '-b' '1M' '-Xdict-size' '1M' '-Xcompression-level' '9')
 else
+  # For single/dual-core systems: use faster but less effective compression
   airootfs_image_tool_options=('-comp' 'xz' '-Xbcj' 'x86' '-b' '1M' '-Xdict-size' '1M')
 fi
 bootstrap_tarball_compression=('zstd' '-c' '-T0' '--auto-threads=logical' '--long' '-19')