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void-packages/common/hooks/pre-pkg/99-pkglint-subpkgs.sh
2024-03-29 08:12:19 +01:00

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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)
# Sort the strings so they can be compare for equality
subpkgs="$(printf '%s\n' $subpkgs | sort)"
subpackages="$(printf '%s\n' $subpackages | sort)"
if [ "$subpackages" = "$subpkgs" ]; then
return 0
fi
# sed supports comment but let's put them here
# 1: print everything between pairs of <""> in subpackages[+]?="..."
# 2: multiline subpackages="...\n..."
# 2.1: For any line in the middle, i.e. no <"> exists, print it
# 2.2: For the first line, print everything after <">
# 2.3: For last line, print everything before <">
matches="$(sed -n -e 's/subpackages.*"\(.*\)"[^"]*$/\1/p' \
-e '/subpackages[^"]*"[^"]*$/,/"/{
/"/!p
/subpackages/s/.*"//p
s/".*//p
}' $XBPS_SRCPKGDIR/$pkgname/template |
tr '\v\t\r\n' ' ')"
for s in $subpkgs; do
case " $matches " in
*" $s "*) ;;
*) msg_warn "${s}_package() defined but will never be built.\n" ;;
esac
done
case " $matches " in
*" $pkgname "*)
msg_warn "$pkgname is sourcepkg but is in subpackages=.\n" ;;
esac
}