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0e72078128
With bash 5.1, the output of the following script changes:
a=("double space")
a=${a[@]:0:1}
echo "$a"
from "double space" to "double space", i.e. all white space is
preserved as-is. This is probably what we actually want here (judging
from the "...to accommodate pathnames with spaces" comment), but before
5.1, we would have to quote the ${} slice to get the same behavior.
In any case, without quoting, the reference output of many iotests is
different between bash 5.1 and pre-5.1, which is not very good. The
output of 5.1 is what we want, so whatever we do to get pre-5.1 to the
same result, it means we have to fix the reference output of basically
all tests that invoke _send_qemu_cmd (except the ones that only use
single spaces in the commands they invoke).
Instead of quoting the ${} slice (cmd="${$@: 1:...}"), we can also just
not use array slicing and replace the whole thing with a simple "cmd=$1;
shift", which works because all callers quote the whole $cmd argument
anyway.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20201217153803.101231-3-mreitz@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
25 lines
1.0 KiB
Plaintext
25 lines
1.0 KiB
Plaintext
QA output created by 140
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=65536
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wrote 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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{ 'execute': 'qmp_capabilities' }
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{"return": {}}
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{ 'execute': 'nbd-server-start',
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'arguments': { 'addr': { 'type': 'unix',
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'data': { 'path': 'SOCK_DIR/nbd' }}}}
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{"return": {}}
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{ 'execute': 'nbd-server-add',
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'arguments': { 'device': 'drv' }}
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{"return": {}}
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read 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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{ 'execute': 'eject',
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'arguments': { 'device': 'drv' }}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_EXPORT_DELETED", "data": {"id": "drv"}}
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qemu-io: can't open device nbd+unix:///drv?socket=SOCK_DIR/nbd: Requested export not available
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server reported: export 'drv' not present
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{ 'execute': 'quit' }
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{"return": {}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false, "reason": "host-qmp-quit"}}
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*** done
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