44 lines
1 KiB
Bash
44 lines
1 KiB
Bash
source $stdenv/setup
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size=$(($size * 1024 * 1024))
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image=$out/image
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ensureDir $out
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echo "building image \`$fullName'"
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echo "$name" > $out/name
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echo "$fullName" > $out/full-name
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echo "creating sparse file of $size bytes in $image..."
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dd if=/dev/zero of=$image bs=1 seek=$((size - 1)) count=1
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echo "creating e2fs file system in $image..."
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$e2fsprogs/sbin/mke2fs -F $image
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echo "initialising file system through UML..."
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echo $PATH > path
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echo $rpm > rpm
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echo $sysvinit > sysvinit
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echo $rpms > rpms
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echo $postInstall > post-install
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ln -s $worker $NIX_BUILD_TOP/worker # work around a stupid bug (no dots allowed in kernel arguments?)
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# UML requires an existing $HOME.
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mkdir dummy
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export HOME=$(pwd)/dummy
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# Run UML.
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touch log
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tail -n +0 -f log & # show UML output as it appears
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tailPid=$!
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linux ubd0=$image root=/dev/root rootflags=/ rootfstype=hostfs \
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init="$SHELL $NIX_BUILD_TOP/worker $NIX_BUILD_TOP" con=null || true
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echo image is $image
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sleep 1 # drain `tail', hacky
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kill $!
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if ! test -e success; then exit 1; fi
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