/usr/share/doc/pbuilder/examples/D10tmp is in pbuilder 0.208ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 | #!/bin/bash
# example file to be used with --hookdir
#
#create $TMP and $TMPDIR
[ -n "$TMP" -a ! -d "$TMP" ] && mkdir -p "$TMP" || true
[ -n "$TMPDIR" -a ! -d "$TMPDIR" ] && mkdir -p "$TMPDIR" || true
|