1 files changed, 57 insertions, 0 deletions
diff --git a/src/chroot-tools/chcleanup b/src/chroot-tools/chcleanup
new file mode 100755
index 0000000..17c1f02
--- /dev/null
+++ b/src/chroot-tools/chcleanup
@@ -0,0 +1,57 @@
+#!/bin/bash
+# (c) Nicolás Reynolds <fauno@parabola.nu>
+# Released under GPLv3
+#
+# Performs chroot cleanup smartly, it only removes the unneeded packages or
+# leaves you with a cleansystem
+#
+# See: HOOKPREBUILD
+
+set -e
+DRYRUN=${DRYRUN:-false}
+
+source /etc/makepkg.conf
+source /etc/libretools.conf
+source ${HOME}/.makepkg.conf 2>/dev/null|| true
+
+msg "Cleaning chroot..."
+
+TMPDIR="$(mktemp -d /tmp/$(basename $0)-XXXXX)"
+cleanup_log="${TMPDIR}"/libretools-cleanup.log
+
+cp -a /var/lib/pacman/sync "${TMPDIR}/"
+touch ${cleanup_log}
+
+# If we're running makepkg
+if [ -f PKGBUILD ]; then
+    source PKGBUILD || true
+
+    check=(${depends[@]} ${makedepends[@]} ${checkdepends[@]})
+
+fi
+
+# Get the full list of packages needed by dependencies, including the base system
+sudo pacman -b "${TMPDIR}" \
+            -Sp \
+            --print-format "%n" \
+            base base-devel sudo \
+            ${CHROOTEXTRAPKG[@]} \
+            ${check[@]} \
+            >${cleanup_log}
+
+# Diff installed packages against a clean chroot then remove leftovers
+packages=($(comm -23 <(pacman -Qq | sort) \
+                     <(sort -u ${cleanup_log})))
+
+[ ${#packages[@]} -eq 0 ] && exit 0
+
+msg2 "Removing %d packages" ${#packages[@]}
+
+# Only remove leftovers, -Rcs removes too much
+${DRYRUN} || sudo pacman --noconfirm -Rn ${packages[@]}
+${DRYRUN} && echo ${packages[@]}
+
+# Cleanup
+${DRYRUN} || rm -fr ${TMPDIR}
+
+exit $?