void-packages/common/hooks/pre-pkg/99-pkglint-subpkgs.sh

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# vim: set ts=4 sw=4 et:
#
# This hook executes the following tasks:
# - Warns if the main package is in subpackages=
# - Warns if a subpackage is unreachable (never appears in subpackages=)
hook() {
local subpkgs matches
# Run this only against the main package
if [ "$pkgname" != "$sourcepkg" ]; then
return 0
fi
if [ -z "$subpackages" ]; then
return 0
fi
subpkgs=$(get_subpkgs)
subpackages="${subpackages// /$'\n'}"
# Sort the strings so they can be compare for equality
subpkgs="$(printf "%s\\n" "$subpkgs" | sort)"
subpackages="$(printf "%s\\n" "$subpackages" | sort)"
if [ "$subpackages" = "$subpkgs" ]; then
return 0
fi
# XXX: Make the sed call work when subpackages has multiple lines
# this can be done with grep with perl regexp (-P) but chroot-grep
# is compiled without it
matches="$(sed -n 's/subpackages.*"\(.*\)"[^"]*$/\1/p' $XBPS_SRCPKGDIR/$pkgname/template \
| tr " " "\n" | sort)"
for s in $subpkgs; do
grep -q "^$s" <<< "$matches" ||
msg_warn "${s}_package() defined but will never be built.\n"
done
grep -q "^$pkgname" <<< "$matches" &&
msg_warn "$pkgname is sourcepkg but is in subpackages=.\n" || :
}