make toolchain using current user docker config

build_defs/containers.build_defs

@@ -39,10 +39,10 @@ def container_pull(name: str, image: str, tag:str='latest', registry:str='index.
         visibility = visibility,
         labels = labels,
         cmd = " && ".join([
-            f"if [[ {registry} =~ gcr\.io && ! -e /usr/local/bin/docker-credential-gcloud ]]; then echo This target requires /usr/local/bin/docker-credential-gcloud; exit 1; fi",
-            f"if [[ {registry} =~ gcr\.io && -z $CLOUDSDK_CONFIG ]]; then echo This target requires CLOUDSDK_CONFIG to point to where gcloud keeps its configuration; exit 1; fi",
-            f"if [[ {registry} =~ gcr\.io && -z $DOCKER_CONFIG ]]; then echo This target requires DOCKER_CONFIG to point to where docker keeps its configuration; exit 1; fi",
             f"mkdir -p {name}",
+            "export USER=$(whoami)",
+            "export HOME=$(eval echo ~$(whoami))",
+            "export DOCKER_CONFIG=$HOME/.docker",
             f"$TOOLS_PULLER -name {registry}/{image}:{tag} -directory {name} -os linux -architecture amd64",
             f"cd {name}",
             "for i in *.sha256; do mv $i ${i%.*}.tar.gz.sha256; done",
@@ -222,6 +222,10 @@ def container_push(name:str, srcs:list, repository:str = CONFIG.CONTAINERS.DEFAU
             'fqn': [ fqn ],
         },
         cmd = " && ".join([
+            "export USER=$(whoami)",
+            "export HOME=$(eval echo ~$(whoami))",
+            "export DOCKER_CONFIG=$HOME/.docker",
+            f"$TOOLS_PULLER -name {registry}/{image}:{tag} -directory {name} -os linux -architecture amd64", 
             f"outfile={outfile}",
             "prefix=plz-out/gen",
             "tarfiles=\"\"",

examples/BUILD

@@ -30,6 +30,13 @@ container_pull(
     tag = '20.04',
 )
 
+# pull private image from private registry
+container_pull(
+    name = 'cibuild',
+    image = 'm/ci-please/build',
+    registry = "registry.tcncloud.net",
+    tag = '58'
+)
 # DESCRIPTION: 
 # This rule's srcs MUST be a multi-layer container_pull rule; it creates a container one with a single merged layer