1.5.0

• Added --size-only.
• Improved bwrap handling.
• Slightly improved performance by only using one subshell for md5sum.
• Reverted "Improved performance by piping md5sum output to cat instead of using subshells.".

1.4.0

• Improved performance by piping md5sum output to cat instead of using subshells.
• Reverted "Improve performance especially for small files, by running stat only after md5sum is already running" as it was causing false negatives.

1.3.0

• Calculate the exact size of the files tested instead of relying on rchar.
• Improve performance, especially for small files, by running stat after md5sum is already running.

1.2.4

• Made the file path handling more robust
• Made the size estimates a little less inaccurate

1.2.3

• Fixed handling relative source or target dir
• Nicer error message when missing source or backup dir