An attempt at showing only git commits where a single character has been changed.

gistfile1.sh

# an attempt at showing only commits where a single character has been changed.
#
# lots of false positives.

git rev-list --all --no-merges |
while read commit; do
	files_changed=$(git diff $commit^ $commit --name-only | wc -l)
	diffcontent="$(git diff --numstat --minimal -U0 --word-diff=porcelain --word-diff-regex=. $commit^ $commit | grep -e '^\+.$')"

	if [ $files_changed -eq 1 ] && [ $(echo "$diffcontent" | wc -l) -eq 1 ] && [ ! -z "$diffcontent" ]; then
		echo $commit
		echo "$(git diff --minimal $commit^ $commit)"
		echo -----
	fi;
done