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65 lines
1.9 KiB
Bash
65 lines
1.9 KiB
Bash
#!/bin/sh
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set -eu
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depends=$@
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edspfile=$(mktemp)
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solution=$(mktemp)
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trap "rm -r \"$edspfile\" \"$solution\"" EXIT
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# simulate installation of a random package - we choose apt because that has to exist
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#
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# we expect the dump solver to fail with exit 100
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APT_EDSP_DUMP_FILENAME="$edspfile" apt-get --simulate install --solver dump apt >/dev/null 2>&1 && [ $? -eq 100 ]
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request=$(grep-dctrl -F Request '' -s Request -n "$edspfile")
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architecture=$(grep-dctrl -F Request '' -s Architecture -n "$edspfile")
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architectures=$(grep-dctrl -F Request '' -s Architectures -n "$edspfile")
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# generate the APT-ID of the dummy package from the largest id plus one
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newid=$(grep-dctrl -F Package '' -s APT-ID -n "$edspfile" | sort -n | tail -1)
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newid=$((newid+1))
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# Replace the EDSP header and add a dummy package at the top
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#
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# We pass some custom options to /usr/lib/apt/solvers/apt because while it
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# still needs access to the system's apt config, the presence of some settings
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# will let it error out.
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{
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cat << END
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Request: $request
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Architecture: $architecture
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Architectures: $architectures
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Install: apt-satisfy-dummy:$architecture
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Package: apt-satisfy-dummy
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Architecture: $architecture
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Version: 1
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APT-ID: $newid
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Depends: $depends
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APT-Pin: 990
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END
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grep-dctrl -F Package '' "$edspfile";
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} | /usr/lib/apt/solvers/apt -o APT::Default-Release="" > "$solution"
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# FIXME: instead of using grep and cat we want to use grep-dctrl but
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# unfortunately the EDSP that /usr/lib/apt/solvers/apt outputs is not valid
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# deb822
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if grep Error: "$solution"; then
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cat "$solution"
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exit
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fi
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selector=$(grep-dctrl -F Install '' -n -s Install "$solution" | paste -s -d"|")
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install=$(grep-dctrl --eregex -F APT-ID "^($selector)$" -n -s Package,Architecture,Version "$edspfile" \
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| paste -sd ":= " )
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echo apt install $install
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auto=$(grep-dctrl --eregex -F APT-ID "^($selector)$" -n -s Package,Architecture "$edspfile" \
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| paste -sd ": " )
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echo apt-mark auto $auto
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