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Merge pull request #207 from flatcar-linux/scripts

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sdk_container: better docker / podman detection
This commit is contained in:
Thilo Fromm 2022-01-07 12:20:38 +01:00
commit f3f45d6b11
1 changed files with 18 additions and 1 deletions
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19
sdk_lib/sdk_container_common.sh
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@ -11,10 +11,27 @@ sdk_container_common_versionfile="sdk_container/.repo/manifests/version.txt"
sdk_container_common_registry="ghcr.io/flatcar-linux"
sdk_container_common_env_file="sdk_container/.sdkenv"
# Check for podman and docker; use docker if present, podman alternatively.
# Podman needs 'sudo' since we need privileged containers for the SDK.
is_podman=false
if command -v podman >/dev/null; then
is_podman=true
# podman is present
if command -v docker >/dev/null ; then
# docker is present, too
if docker help | grep -q -i podman; then
# "docker" is actually podman.
# NOTE that 'docker --version' does not reliably work for podman detection
# since 'podman' uses argv[0] in its version string.
# A symlink docker->podman will result in 'podman' using the 'docker' argv[0].
is_podman=true
fi
else
# docker is not present
is_podman=true
fi
fi
docker="docker"
if "${is_podman}"; then
docker="sudo podman"