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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