Add --config for Docker compatibility

Fixes: containers#14767 Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
rhatdan · Sep 7, 2022 · b52cc3e · b52cc3e
1 parent 3d482a7
commit b52cc3e
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diff --git a/cmd/podman/root.go b/cmd/podman/root.go
@@ -363,6 +363,8 @@ func rootFlags(cmd *cobra.Command, opts *entities.PodmanConfig) {
 	lFlags.StringVarP(&opts.URI, "host", "H", uri, "Used for Docker compatibility")
 	_ = lFlags.MarkHidden("host")
 
+	lFlags.String("config", "", "Ignored for Docker compatibility")
+	_ = lFlags.MarkHidden("config")
 	// Context option added just for compatibility with DockerCLI.
 	lFlags.String("context", "default", "Name of the context to use to connect to the daemon (This flag is a NOOP and provided solely for scripting compatibility.)")
 	_ = lFlags.MarkHidden("context")

diff --git a/test/system/001-basic.bats b/test/system/001-basic.bats
@@ -29,6 +29,9 @@ function setup() {
     local built=$(expr "$output" : ".*Built: \+\(.*\)" | head -n1)
     local built_t=$(date --date="$built" +%s)
     assert "$built_t" -gt 1546300800 "Preposterous 'Built' time in podman version"
+
+    run_podman --config foobar -v
+    is "$output" "$(basename $PODMAN) version \+"               "'Version line' in output"
 }
 
 @test "podman info" {