package/nerdctl: new package

nerdctl is a CLI for containerd (package docker-containerd) which is
drop-in compatible with the Docker Daemon CLI.

This allows using the lighter weight containerd daemon directly,
instead of via the additional docker daemon. It also implements
rootless mode.

https://github.com/containerd/nerdctl

Signed-off-by: Christian Stewart <christian@paral.in>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

DEVELOPERS

@@ -538,6 +538,7 @@ F:	package/gocryptfs/
 F:	package/mbpfan/
 F:	package/moby-buildkit/
 F:	package/mosh/
+F:	package/nerdctl/
 F:	package/pkg-golang.mk
 F:	package/rtl8821au/
 F:	package/runc/

package/Config.in

@@ -2594,6 +2594,7 @@ menu "System tools"
 	source "package/monit/Config.in"
 	source "package/multipath-tools/Config.in"
 	source "package/ncdu/Config.in"
+	source "package/nerdctl/Config.in"
 	source "package/netifrc/Config.in"
 	source "package/numactl/Config.in"
 	source "package/nut/Config.in"

package/nerdctl/Config.in

@@ -0,0 +1,18 @@
+config BR2_PACKAGE_NERDCTL
+	bool "nerdctl"
+	depends on BR2_PACKAGE_HOST_GO_TARGET_ARCH_SUPPORTS
+	depends on BR2_PACKAGE_HOST_GO_TARGET_CGO_LINKING_SUPPORTS
+	depends on BR2_TOOLCHAIN_HAS_THREADS
+	depends on !BR2_TOOLCHAIN_USES_UCLIBC # containerd
+	depends on BR2_USE_MMU # util-linux
+	select BR2_PACKAGE_CONTAINERD # runtime
+	help
+	  Docker-compatible CLI for containerd, controlling runc.
+
+	  https://github.com/containerd/nerdctl
+
+comment "nerdctl needs a glibc or musl toolchain w/ threads"
+	depends on BR2_PACKAGE_HOST_GO_TARGET_ARCH_SUPPORTS
+	depends on BR2_PACKAGE_HOST_GO_TARGET_CGO_LINKING_SUPPORTS
+	depends on BR2_USE_MMU
+	depends on !BR2_TOOLCHAIN_HAS_THREADS || BR2_TOOLCHAIN_USES_UCLIBC

package/nerdctl/nerdctl.hash

@@ -0,0 +1,3 @@
+# Computed locally
+sha256  be41804ef139a3f92b774edc8439678e56b44033d7ab3fcf4389f0865c1fe069  nerdctl-0.17.1.tar.gz
+sha256  cfc7749b96f63bd31c3c42b5c471bf756814053e847c10f3eb003417bc523d30  LICENSE

package/nerdctl/nerdctl.mk

@@ -0,0 +1,20 @@
+################################################################################
+#
+# nerdctl
+#
+################################################################################
+
+NERDCTL_VERSION = 0.17.1
+NERDCTL_SITE = $(call github,containerd,nerdctl,v$(NERDCTL_VERSION))
+
+NERDCTL_LICENSE = Apache-2.0
+NERDCTL_LICENSE_FILES = LICENSE
+
+NERDCTL_GOMOD = github.com/containerd/nerdctl
+
+NERDCTL_LDFLAGS = \
+	-X $(NERDCTL_GOMOD)/pkg/version.Version=$(NERDCTL_VERSION)
+
+NERDCTL_BUILD_TARGETS = cmd/nerdctl
+
+$(eval $(golang-package))