42 lines
620 B
Bash
Executable File
42 lines
620 B
Bash
Executable File
#!/usr/bin/env bash
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target_host=$1
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shift
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paths=$(nix-store -q --requisites "$@")
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needed=""
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coproc remote {
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ssh -C ${target_host}
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}
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exec 10>&${remote[1]}
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for p in $paths; do
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echo -n Checking $(basename $p) ...
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echo "test -e $p && echo skip || echo $p" >&10
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read n <&${remote[0]}
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case $n in
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skip)
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echo skip
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;;
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*)
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needed="${needed} $n"
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echo will copy
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;;
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esac
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done
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if test -z "$needed" ; then
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echo Nothing to copy
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exit 1
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fi
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echo "cd / && cpio -v -i >/dev/console" >&10
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find $needed | cpio -H newc -o >&10
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echo "date" >&10
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read n <&${remote[0]}
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echo $n
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