#!/bin/sh

# post-checkout hook that changes timestamps on all files
# to that one of the last commit (head) if branch was changed

prev_HEAD="$1"
new_HEAD="$2"
new_branch="$3"

if [ "$new_branch" = 1 ]; then
   commit_date="`git show --format='%cD' -s`" &&
   find . \( -name .git -type d -prune \) -o \
      -exec touch --date="$commit_date" '{}' \+
fi

exit 0