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#!/bin/sh -e
# Print orphaned packages
## SYNOPSIS:
## .Nm
## DESCRIPTION:
## .Nm
## prints a list of all packages that are not required by other packages. It
## also reads the file
## .Pa /etc/cpt-base
## to determine base packages, and will keep those packages out of this printed
## list.
trap 'rm -f $CPT_TMPDIR/packages-$$' EXIT
cd "$CPT_ROOT/var/db/cpt/installed"
# Get base packages.
base=" $(cpt-lib pkg_get_base nonl)"
# Make a list of packages, but remove the base.
for pkg in *; do
case "$base" in *" $pkg "*) continue; esac
printf '%s\n' "$pkg"
done > "${CPT_TMPDIR:=/tmp}/packages-$$"
# List dependencies.
cat ./*/depends |
# Remove make dependencies.
while read -r dep make; do [ "$make" ] || printf '%s\n' "$dep"; done | sort -u |
# Remove dependencies from the list and print.
comm -23 "$CPT_TMPDIR/packages-$$" -
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