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checkpoint: change runtime checkpoint support test

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Podman was checking if the runtime support checkpointing by running
'runtime checkpoint -h'. That works for runc.

crun, however, does not use '-h, --help' for help output but, '-?,
--help'.

This commit switches both checkpoint support detection from
 'runtime checkpoint -h'
to
 'runtime checkpoint --help'.

Podman can now correctly detect if 'crun' also support checkpointing.

Signed-off-by: Adrian Reber <areber@redhat.com>
This commit is contained in:
Adrian Reber
2020-04-03 07:51:18 +00:00
parent ccf0e0dd04
commit 7660330ae2
2 changed files with 2 additions and 2 deletions
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2
libpod/oci_conmon_linux.go
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@ -939,7 +939,7 @@ func (r *ConmonOCIRuntime) CheckpointContainer(ctr *Container, options Container
func (r *ConmonOCIRuntime) SupportsCheckpoint() bool {
// Check if the runtime implements checkpointing. Currently only
// runc's checkpoint/restore implementation is supported.
cmd := exec.Command(r.path, "checkpoint", "-h")
cmd := exec.Command(r.path, "checkpoint", "--help")
if err := cmd.Start(); err != nil {
return false
}