convert-git-annex-layout

#!/bin/bash

set -eu

to="$1"

echo "Initial fsck:"
git annex fsck --fast 2>&1 | python -m tqdm --null
echo "Going through objects: "
for f in .git/annex/objects/*/*/*; do
    key=$(basename $f)
    keydir=$(dirname $f)
    newhashdir=$(git annex examinekey --format="\${$to}" "$key")
    targetdir=".git/annex/objects/$newhashdir"
    test -n "$newhashdir"
    if [ "$keydir" = "${targetdir%/}" ]; then
        continue
    fi
    echo "  $f -> $newhashdir"
    # This was a wrong assumption - there could be multiple
    # keys in the same directory so we might have it already.
    # But I still feel we might need some test here
    #if test -e "$targetdir"; then
    #    echo "$targetdir already exists"
    #    exit 1
    #fi
    mkdir -p "$(dirname $targetdir)"
    mv "$keydir" "${targetdir%/}"
done
echo "Final fsck:"
git annex fsck --fast 2>&1 | python -m tqdm --null