TST: Helper to build a chroot

tools/mk_minimal_chroot.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+#
+# bootstrap a tiny chroot (26MB compressed)
+#
+# run with sudo
+
+set -e -u
+
+chrootdir=$(mktemp -d)
+echo "Working in $chrootdir"
+debootstrap --variant=minbase --no-check-gpg stretch "$chrootdir"
+find "$chrootdir"/var/cache/apt/archives -type f -delete
+find "$chrootdir"/var/lib/apt/lists/ -type f -delete
+rm -rf "$chrootdir"/usr/share/doc/*
+rm -rf "$chrootdir"/usr/share/man
+tar --show-transformed-names --transform=s,^.*$(basename $chrootdir),minichroot, -cvjf minichroot.tar.xz "$chrootdir"
+echo "chroot tarball at minichroot.tar.xz"