9fd5d70968
thanks to unionfs. For instance, nix-env and nixos-rebuild work. The tricky part was to build a Nix database (in the tmpfs/unionfs) which is now necessary to prevent store paths on the CD from being deleted right away because they otherwise wouldn't be valid. * nixos-install: use the /etc/nixos/configuration.nix from the target file system (don't copy it anymore). Since the user is supposed to mount the target file system on /mnt anyway, we may as well require that configuration.nix is placed in /mnt/etc/nixos. This also makes upgrading / reinstalling much easier, since it will automatically use the right configuration.nix. svn path=/nixos/trunk/; revision=10399
66 lines
1.7 KiB
Bash
66 lines
1.7 KiB
Bash
source $stdenv/setup
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sources_=($sources)
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targets_=($targets)
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objects=($objects)
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symlinks=($symlinks)
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if test -n "$bootable"; then
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# The -boot-info-table option modifies the $bootImage file, so
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# find it in `contents' and make a copy of it (since the original
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# is read-only in the Nix store...).
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for ((i = 0; i < ${#targets_[@]}; i++)); do
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if test "${targets_[$i]}" = "$bootImage"; then
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echo "copying the boot image ${sources_[$i]}"
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cp "${sources_[$i]}" boot.img
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chmod u+w boot.img
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sources_[$i]=boot.img
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fi
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done
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bootFlags="-b $bootImage -c .boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table"
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fi
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touch pathlist
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# Add the individual files.
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for ((i = 0; i < ${#targets_[@]}; i++)); do
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echo "${targets_[$i]}=$(readlink -f ${sources_[$i]})" >> pathlist
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done
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# Add the closures of the top-level store objects.
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storePaths=$(perl $pathsFromGraph closure-*)
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for i in $storePaths; do
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echo "${i:1}=$i" >> pathlist
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done
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# Also put a nix-pull manifest of the closures on the CD.
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printRegistration=1 perl $pathsFromGraph closure-* > nix-path-registration
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echo "nix-path-registration=nix-path-registration" >> pathlist
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# Add symlinks to the top-level store objects.
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for ((n = 0; n < ${#objects[*]}; n++)); do
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object=${objects[$n]}
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symlink=${symlinks[$n]}
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if test "$symlink" != "none"; then
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mkdir -p $(dirname ./$symlink)
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ln -s $object ./$symlink
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echo "$symlink=./$symlink" >> pathlist
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fi
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done
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cat pathlist
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# !!! -f is a quick hack.
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ensureDir $out/iso
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genisoimage -r -J -o $out/iso/$isoName $bootFlags \
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-hide-rr-moved -graft-points -path-list pathlist
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ensureDir $out/nix-support
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echo $system > $out/nix-support/system
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