S3 Legacy Layout

Unfortunately during development the Amazon S3 backend uses slightly different paths (directory names use singular instead of plural for key, lock, and snapshot files), and the pack files are stored directly below the data directory. The S3 Legacy repository layout looks like this:

/config
/data
  ├── 2159dd48f8a24f33c307b750592773f8b71ff8d11452132a7b2e2a6a01611be1
  ├── 32ea976bc30771cebad8285cd99120ac8786f9ffd42141d452458089985043a5
  ├── 59fe4bcde59bd6222eba87795e35a90d82cd2f138a27b6835032b7b58173a426
  ├── 73d04e6125cf3c28a299cc2f3cca3b78ceac396e4fcf9575e34536b26782413c
[...]
/index
  ├── c38f5fb68307c6a3e3aa945d556e325dc38f5fb68307c6a3e3aa945d556e325d
  └── ca171b1b7394d90d330b265d90f506f9984043b342525f019788f97e745c71fd
/key
  └── b02de829beeb3c01a63e6b25cbd421a98fef144f03b9a02e46eff9e2ca3f0bd7
/lock
/snapshot
  └── 22a5af1bdc6e616f8a29579458c49627e01b32210d09adb288d1ecda7c5711ec

The S3 backend understands and accepts both forms, new backends are always created with the default layout for compatibility reasons.