source $stdenv/setup sources_=($sources) targets_=($targets) objects=($objects) symlinks=($symlinks) # Remove the initial slash from a path, since genisofs likes it that way. stripSlash() { res="$1" if test "${res:0:1}" = /; then res=${res:1}; fi } stripSlash "$bootImage"; bootImage="$res" if test -n "$bootable"; then # The -boot-info-table option modifies the $bootImage file, so # find it in `contents' and make a copy of it (since the original # is read-only in the Nix store...). for ((i = 0; i < ${#targets_[@]}; i++)); do stripSlash "${targets_[$i]}" if test "$res" = "$bootImage"; then echo "copying the boot image ${sources_[$i]}" cp "${sources_[$i]}" boot.img chmod u+w boot.img sources_[$i]=boot.img fi done bootFlags="-b $bootImage -c .boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table" fi if test -n "$efiBootable"; then bootFlags="$bootFlags -eltorito-alt-boot -e $efiBootImage -no-emul-boot" fi touch pathlist # Add the individual files. for ((i = 0; i < ${#targets_[@]}; i++)); do stripSlash "${targets_[$i]}" echo "$res=${sources_[$i]}" >> pathlist done # Add the closures of the top-level store objects. storePaths=$(perl $pathsFromGraph closure-*) for i in $storePaths; do echo "${i:1}=$i" >> pathlist done # Also include a manifest of the closures in a format suitable for # nix-store --load-db. if [ -n "$object" ]; then printRegistration=1 perl $pathsFromGraph closure-* > nix-path-registration echo "nix-path-registration=nix-path-registration" >> pathlist fi # Add symlinks to the top-level store objects. for ((n = 0; n < ${#objects[*]}; n++)); do object=${objects[$n]} symlink=${symlinks[$n]} if test "$symlink" != "none"; then mkdir -p $(dirname ./$symlink) ln -s $object ./$symlink echo "$symlink=./$symlink" >> pathlist fi done # !!! what does this do? cat pathlist | sed -e 's/=\(.*\)=\(.*\)=/\\=\1=\2\\=/' | tee pathlist.safer ensureDir $out/iso genCommand="genisoimage -iso-level 4 -r -J $bootFlags -hide-rr-moved -graft-points -path-list pathlist.safer ${volumeID:+-V $volumeID}" if test -z "$compressImage"; then $genCommand -o $out/iso/$isoName else $genCommand | bzip2 > $out/iso/$isoName.bz2 fi ensureDir $out/nix-support echo $system > $out/nix-support/system