mirror of
https://github.com/ilyakooo0/nixpkgs.git
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1e87e75d07
side-effect of initialising the console properly (i.e., enabling Ctrl-[C, Z]). svn path=/nixu/trunk/; revision=801
40 lines
1.1 KiB
Bash
Executable File
40 lines
1.1 KiB
Bash
Executable File
#! /bin/sh -e
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image=/tmp/disk.img
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size=$(expr 256 \* 1024 \* 1024)
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storePaths=/tmp/storepaths
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successors=/tmp/successors
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if ! test -f $image; then
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echo creating empty disk of $size bytes in $image...
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# Note: this is a sparse file.
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dd if=/dev/zero of=$image bs=1 seek=$(expr $size - 1) count=1
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echo creating disk image in $image...
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/sbin/mke2fs -F $image
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fi
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# What to copy?
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storeExpr=$(echo '(import ./pkgs.nix).everything' | nix-instantiate -)
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nix-store -rB $storeExpr
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nix-store -qn --requisites $storeExpr > $storePaths
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(while read storepath; do
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nix-store -q --predecessors $storepath | (while read predecessor; do
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echo $predecessor $storepath
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done)
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done) < $storePaths > $successors
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# Location of sysvinit?
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sysvinitPath=$(nix-store -qn $(echo '(import ./pkgs.nix).sysvinit' | nix-instantiate -))
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# Location of Nix init?
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initPath=$(nix-store -qn $(echo '(import ./pkgs.nix).init' | nix-instantiate -))
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# Fill the disk with the minimal Nix store.
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if ! test -d /tmp/mnt; then mkdir /tmp/mnt; fi
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linux ubd0=$image root=/dev/root rootflags=/ rootfstype=hostfs \
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init="$(pwd)/fill-disk.sh $sysvinitPath $initPath"
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