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nixpkgs/lib/make-system-tarball.sh
Lluís Batlle i Rossell 1dd3162d7c First attempt at trying to get a tarball of a bootable nixos system.
What I want with this derivation is to allow the sheevaplug nixos to
build a tarball with all the needed files to boot. Then, this can be
unpacked into an SD card, or into a NFS/TFTP server, and then the
user can boot the system with help of the uboot console.
By now, I have only tried to build the tarball in a PC, in order
to develop the nix expressions quicker.

There is nothing written specialy for the Sheevaplug in all this,
by now.


svn path=/nixos/trunk/; revision=20035
2010-02-15 23:27:51 +00:00

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source $stdenv/setup
set -x
sources_=($sources)
targets_=($targets)
echo $objects
objects=($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
}
touch pathlist
# Add the individual files.
for ((i = 0; i < ${#targets_[@]}; i++)); do
stripSlash "${targets_[$i]}"
mkdir -p "$(dirname "$res")"
cp -a "${sources_[$i]}" "$res"
done
# Add the closures of the top-level store objects.
mkdir -p nix/store
storePaths=$(perl $pathsFromGraph closure-*)
for i in $storePaths; do
cp -a "$i" "${i:1}"
done
# TODO tar ruxo
# Also include a manifest of the closures in a format suitable for
# nix-store --load-db.
printRegistration=1 perl $pathsFromGraph closure-* > nix-path-registration
# 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
fi
done
ensureDir $out/tarball
tar cvJf $out/tarball/$fileName.tar.xz *
ensureDir $out/nix-support
echo $system > $out/nix-support/system