snapdiff compares two snapshots of a directory tree, captured at different points in time. (Think of a “snapshot” as a backup of the original directory tree, in the sense of a full copy.) That way, it gives a high-level insight into how the directory tree has evolved over time.
Learn more in this blog post.
Say, you want to compare two snapshots, one taken at 2023-09-01, and another one taken at 2023-10-01:
$ snapdiff 2023-09-01/ 2023-10-01/
FILES BYTES
G M K B
TOTAL Snap 1 87,243 98,407,188,994
Snap 2 87,319 98,591,738,372
OF WHICH Identical 87,134 97,551,550,976
Moved 38 134,217,728
Added 87 234,881,024
Deleted 11 50,331,648
Modified 147 671,088,644 (+282,172)
The categories are defined as:
- Identical: both snapshots contain a file at the same path with the same contents.
- Moved: both snapshots contain a file with the same contents, but at different paths.
- Added: the second snapshot contains a file whose path or contents is not present in the first snapshot.
- Deleted: the first snapshot contains a file whose path or contents is not present in the second snapshot.
- Modified: both snapshots contain a file at the same path, but with different contents.
Note: the files count doesn’t include folders.
snapdiff
[--report PATH]
[--include-dot-paths]
[--include-symlinks]
[--workers N] OR [--workers N1:N2]
[--no-color]
SNAP1 SNAP2
Run snapdiff --help for all details.
Prerequisites: Rust toolchain (see Cargo.toml for required version).
Compile via cargo build --release. (Produces binary to target/release/snapdiff.)
snapdiff was created by Jan Heuermann. The sources are available under the terms of the MIT license.