Edit /etc/sudoers from script to add increased timeout (for running kitchen plan provision, tip from https://github.com/pliljenberg/kitchenplan-config)

set_longer_sudoers_timeout.sh

#!/bin/sh
# Code from http://stackoverflow.com/a/3706774/697243
if [ -z "$1" ]; then
  export EDITOR=$0 && sudo -E visudo
else
  cat $1 | sed 's/env_reset.*$/env_reset,timestamp_timeout=30/' >> $1
  echo "Changed sudoers to increase timeout"
fi

sudoers-example

# This file is managed by Chef.
# Do NOT modify this file directly.

# sudoers file.
#
# This file MUST be edited with the 'visudo' command as root.
# Failure to use 'visudo' may result in syntax or file permission errors
# that prevent sudo from running.
#
# See the sudoers man page for the details on how to write a sudoers file.
#

# Host alias specification

# User alias specification

# Cmnd alias specification

# Defaults specification
Defaults	env_reset
Defaults	env_keep += "BLOCKSIZE"
Defaults	env_keep += "COLORFGBG COLORTERM"
Defaults	env_keep += "__CF_USER_TEXT_ENCODING"
Defaults	env_keep += "CHARSET LANG LANGUAGE LC_ALL LC_COLLATE LC_CTYPE"
Defaults	env_keep += "LC_MESSAGES LC_MONETARY LC_NUMERIC LC_TIME"
Defaults	env_keep += "LINES COLUMNS"
Defaults	env_keep += "LSCOLORS"
Defaults	env_keep += "SSH_AUTH_SOCK"
Defaults	env_keep += "TZ"
Defaults	env_keep += "DISPLAY XAUTHORIZATION XAUTHORITY"
Defaults	env_keep += "EDITOR VISUAL"
Defaults	env_keep += "HOME MAIL"

# Runas alias specification

# User privilege specification
root	ALL=(ALL) ALL
%admin	ALL=(ALL) ALL

# Uncomment to allow people in group wheel to run all commands
# %wheel	ALL=(ALL) ALL

# Same thing without a password
# %wheel	ALL=(ALL) NOPASSWD: ALL


# Samples
# %users  ALL=/sbin/mount /cdrom,/sbin/umount /cdrom
# %users  localhost=/sbin/shutdown -h now

#includedir /etc/sudoers.d