18.104.22.168 Making and Using Snapshots
There are two basic commands for snapshots; one makes a snapshot with a
given name, the other retrieves a named snapshot.
`C-x v s NAME <RET>'
Define the last saved versions of every registered file in or
under the current directory as a snapshot named NAME
`C-x v r NAME <RET>'
Check out all registered files at or below the current directory
level using whatever versions correspond to the snapshot NAME
This command reports an error if any files are locked at or below
the current directory, without changing anything; this is to avoid
overwriting work in progress.
A snapshot uses a very small amount of resources--just enough to
record the list of file names and which version belongs to the
snapshot. Thus, you need not hesitate to create snapshots whenever
they are useful.
You can give a snapshot name as an argument to `C-x v =' or `C-x v
~' (Note: Old Versions). Thus, you can use it to compare a snapshot
against the current files, or two snapshots against each other, or a
snapshot against a named version.
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