Filesystem-absolute path → corpus-absolute, or null when the path is not inside the corpus. Exact-root and separator-boundary aware, so /mnt/hash2/x is not treated as living under /mnt/hash.
null
/mnt/hash2/x
/mnt/hash
Filesystem-absolute path → corpus-absolute, or
nullwhen the path is not inside the corpus. Exact-root and separator-boundary aware, so/mnt/hash2/xis not treated as living under/mnt/hash.