podman compose: only trim path suffix when ssh protocol

For a unix socket we should not trim this at all. The problem exists for
ssh only so make sure we only do this when a ssh URL is given.

Signed-off-by: Paul Holzinger <pholzing@redhat.com>

cmd/podman/compose.go

@@ -132,10 +132,13 @@ func composeDockerHost() (string, error) {
 	// If the default connection does not point to a `podman
 	// machine`, we cannot use a local path and need to use SSH.
 	if !conf.MachineMode {
-		// Compose doesn't like paths, so we optimistically
+		// Docker Compose v1 doesn't like paths for ssh, so we optimistically
 		// assume the presence of a Docker socket on the remote
 		// machine which is the case for podman machines.
-		return strings.TrimSuffix(conf.URI, parsedConnection.Path), nil
+		if parsedConnection.Scheme == "ssh" {
+			return strings.TrimSuffix(conf.URI, parsedConnection.Path), nil
+		}
+		return conf.URI, nil
 	}
 	uri, err := getMachineConn(conf.URI, parsedConnection)
 	if err != nil {

test/system/850-compose.bats

@@ -55,10 +55,20 @@ EOF
     CONTAINERS_CONF_OVERRIDE=$compose_conf run_podman 42 compose fail
 
     # Make sure the three env variables are set (and parsed)
+    op='=~'
+    url=".*/podman.sock"
+    # if we run remote with --url check the url arg is honored
+    if [[ "$PODMAN" =~ "--url" ]]; then
+        # get the url from the podman string
+        url="${PODMAN##*--url }"
+        url="${url%% *}"
+        op='='
+    fi
+    # podman-remote test might run with --url so unset this because the socket will be used otherwise
     CONTAINERS_CONF_OVERRIDE=$compose_conf run_podman compose env
-    is "${lines[0]}" ".*/podman.sock"
-    is "${lines[1]}" "0"
-    is "${lines[2]}" ""
+    assert "${lines[0]}" $op "$url" "line 1 of 3 (DOCKER_HOST)"
+    assert "${lines[1]}" = "0"      "line 2 of 3 (DOCKER_BUILDKIT)"
+    assert "${lines[2]}" = ""       "line 3 of 3 (DOCKER_CONFIG)"
 
     DOCKER_HOST="$random_data" DOCKER_CONFIG="$random_data" CONTAINERS_CONF_OVERRIDE=$compose_conf run_podman compose env
     is "${lines[0]}" "$random_data"