mtime-to-git



#!/bin/sh
# Sets mtimes of all files in the tree their last change date
# based on git's log. Useful to avoid too new dates after a
# fresh checkout, which lead to ikiwiki unnecessarily rebuilding
# basewiki files on upgrade.
if [ -d .git ]; then
    for file in $(git ls-files); do
        date="$(git log -1 --date=rfc "$file" | grep ^Date: | sed -e 's/Date://')"
        if [ -n "$date" ]; then
            echo "$date $file"
            touch -d"$date" $file
        fi
    done
fi