NAME¶

sndiff - Tool for diffing packages and files from snapshots

SYNOPSIS¶

sndiff [OPTIONS] [OLD_SNAPSHOT] [NEW_SNAPSHOT] [COMMAND]

DESCRIPTION¶

sndiff is a small utility that reports differences between btrfs snapshots created by snapper(8) and zypper(8).

By default it shows information about packages and files in /etc, that can return diff -u output for changelogs and modified files.

COMMANDS¶

The following command line verbs are known:

list

List snapshots in the system

help

Print this message or the help of the given subcommand(s)

ARGUMENTS¶

OLD_SNAPSHOT

Snapshot to compare with. If missing will be autodetected.

NEW_SNAPSHOT

Optional reference snapshot. Usually the current one. If missing will be autodetected.

OPTIONS¶

--packages, -p

Report only changes in packages

--etc, -e

Report only changes in /etc

--diff, -d

Include diff output for changes

--short, -s

Short and compact summary of changes

--json, -j

JSON output

--no-colors, -n

Disable colored output

--verbose, -v

Verbose output

--help, -h

Print help

--version, -V

Print version

EXAMPLES¶

sndiff 3

Compare the snapshot 3 with the current active one, showing list of updated, downgraded, added and removed packages, and changed, added and removed files in /etc.

sndiff 3 4

Compare snapshots 3 (old) and 4 (new), showing the same information than before.

sndiff

Compare the previous snapshot (old) with the current active one (new). The previous snapshot selection depends on the kind of distribution (MicroOS or Tumbleweed).

sndiff --short 3 4

Present the information in a compact way.

sndiff --packages 3 4

Only compares packages from snapshots 3 and 4.

sndiff --etc 3 4

Only compares /etc files.

sndiff --diff 3 4

Shows diff -u (10 lines max) of changelog for updated or downgraded packages, and changed files from /etc.

sndiff --diff --json 3 4

Generate JSON output, this time includes the full differences.

sndiff --no-colors 3 4

No colorized output

sndiff list

Print a table of current snapshots. Mark the snapshot selected as old and new.

sndiff --json list

Shows the same table in JSON format.

SEE ALSO¶

snapper(8), transactional-update(8), zypper(8)