John Snow 30bd6815ef scripts: qmp-shell: add transaction subshell
Add a special processing mode to craft transactions.

By entering "transaction(" the shell will enter a special
mode where each subsequent command will be saved as a transaction
instead of executed as an individual command.

The transaction can be submitted by entering ")" on a line by itself.

Examples:

Separate lines:

(QEMU) transaction(
TRANS> block-dirty-bitmap-add node=drive0 name=bitmap1
TRANS> block-dirty-bitmap-clear node=drive0 name=bitmap0
TRANS> )

With a transaction action included on the first line:

(QEMU) transaction( block-dirty-bitmap-add node=drive0 name=bitmap2
TRANS> block-dirty-bitmap-add node=drive0 name=bitmap3
TRANS> )

As a one-liner, with just one transaction action:

(QEMU) transaction( block-dirty-bitmap-add node=drive0 name=bitmap0 )

As a side-effect of this patch, blank lines are now parsed as no-ops,
regardless of which shell mode you are in.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Tested-by: Kashyap Chamarthy <kchamart@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2015-05-11 08:59:07 -04:00
..
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