package/docker-credential-gcr: new package

Signed-off-by: Yann E. MORIN <yann.morin@orange.com>
Cc: Christian Stewart <christian@aperture.us>
[Julien: reflow Config.in help to fix check-package error]
Signed-off-by: Julien Olivain <ju.o@free.fr>

package/Config.in

@@ -2834,6 +2834,7 @@ menu "System tools"
 	source "package/docker-cli/Config.in"
 	source "package/docker-cli-buildx/Config.in"
 	source "package/docker-compose/Config.in"
+	source "package/docker-credential-gcr/Config.in"
 	source "package/docker-engine/Config.in"
 	source "package/earlyoom/Config.in"
 	source "package/efibootmgr/Config.in"

package/docker-credential-gcr/Config.in

@@ -0,0 +1,11 @@
+config BR2_PACKAGE_DOCKER_CREDENTIAL_GCR
+	bool "docker-credential-gcr"
+	depends on BR2_PACKAGE_HOST_GO_TARGET_ARCH_SUPPORTS
+	help
+	  docker-credential-gcr is Google Container Registry's
+	  standalone, gcloud SDK-independent Docker credential
+	  helper. It allows for v18.03+ Docker clients to easily make
+	  authenticated requests to GCR's repositories (gcr.io,
+	  eu.gcr.io, etc.).
+
+	  https://github.com/GoogleCloudPlatform/docker-credential-gcr/

package/docker-credential-gcr/docker-credential-gcr.hash

@@ -0,0 +1,2 @@
+# Locally computed
+sha256  126fdbf7351d2c7aaee6c525d9660738519eae53eeef77920b105fd4d1bc5dbd  docker-credential-gcr-v2.1.26-git4-go2.tar.gz

package/docker-credential-gcr/docker-credential-gcr.mk

@@ -0,0 +1,16 @@
+################################################################################
+#
+# docker-credential-gcr
+#
+################################################################################
+
+DOCKER_CREDENTIAL_GCR_VERSION = v2.1.26
+DOCKER_CREDENTIAL_GCR_SITE = https://github.com/GoogleCloudPlatform/docker-credential-gcr
+DOCKER_CREDENTIAL_GCR_SITE_METHOD = git
+
+DOCKER_CREDENTIAL_GCR_LICENSE = Apache-2.0
+DOCKER_CREDENTIAL_GCR_LICENSE_FILES = LICENSE
+
+DOCKER_CREDENTIAL_GCR_GOMOD = github.com/GoogleCloudPlatform/docker-credential-gcr/v2
+
+$(eval $(golang-package))