Helper script to find a treehash in a git repository

git-find-treehash.sh

#!/bin/bash
if [[ -z "$1" ]]; then
    echo "Usage: git-find-treehash <treehash>" >&2
    exit 1
fi

commits=$(git log --pretty='%H %T' $commithash | grep $1 | awk '{print $1}')
if [[ -n "${commits}" ]]; then
    echo "Found at commits: $commits"
    exit 0
else
    echo "Unable to find any commits with treehash $1" >&2
    exit 1
fi