We do not have a tool for automatically doing so, right?
If I am right, the following scriptlet seems to do the trick.
#!/bin/bash set -e PARENT="$1" DBGPACKAGES="" for package in $PARENT $(debfoster -d $PARENT | tail -n +2); do for source in $(grep-available --no-field-names --field=Package $package --show-field Source); do DBGPACKAGES="$DBGPACKAGES $(grep-available --no-field-names --field=Source $source --show-field Package | grep -- '-dbg$' || true )" done done echo $DBGPACKAGES
Just in case the combination of this blog software and your browser tries to do smart things with the quotes, pull the script from https://ivanova.notwork.de/~mh/stuff/listdbgpackages
I am open for suggestions.
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