Fix podman detection on newer Fedora

mpe · mpe · commit 02344860803e · 2022-05-05T15:50:34.000+10:00
Fedora changed its NAME to "Fedora Linux" which broke our detection
logic.

Instead just try to run podman, and if it succeeds then use it in
preference to docker.
diff --git a/build/scripts/lib.sh b/build/scripts/lib.sh
@@ -72,7 +72,7 @@ function get_output_dir()
     return 0
 }
 
-grep "^NAME=Fedora$" /etc/os-release > /dev/null
+podman --version > /dev/null
 if [[ $? -eq 0 ]]; then
     DOCKER="podman"
     PODMAN_OPTS="--security-opt label=disable --userns=keep-id"

Original file line number	Diff line number	Diff line change
`@@ -72,7 +72,7 @@ function get_output_dir()`
`72`	`72`	`return 0`
`73`	`73`	`}`
`74`	`74`
`75`		`-grep "^NAME=Fedora$" /etc/os-release > /dev/null`
	`75`	`+podman --version > /dev/null`
`76`	`76`	`if [[ $? -eq 0 ]]; then`
`77`	`77`	`DOCKER="podman"`
`78`	`78`	`PODMAN_OPTS="--security-opt label=disable --userns=keep-id"`