diff options
Diffstat (limited to 'images/defs.bzl')
| -rw-r--r-- | images/defs.bzl | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/images/defs.bzl b/images/defs.bzl index 61d7bbf73..c1f96e312 100644 --- a/images/defs.bzl +++ b/images/defs.bzl @@ -2,30 +2,33 @@ def _docker_image_impl(ctx): importer = ctx.actions.declare_file(ctx.label.name) + importer_content = [ "#!/bin/bash", "set -euo pipefail", + "source_file='%s'" % ctx.file.data.path, + "if [[ ! -f \"$source_file\" ]]; then", + " source_file='%s'" % ctx.file.data.short_path, + "fi", "exec docker import " + " ".join([ "-c '%s'" % attr for attr in ctx.attr.statements - ]) + " " + " ".join([ - "'%s'" % f.path - for f in ctx.files.data - ]) + " $1", + ]) + " \"$source_file\" $1", "", ] + ctx.actions.write(importer, "\n".join(importer_content), is_executable = True) return [DefaultInfo( - runfiles = ctx.runfiles(ctx.files.data), + runfiles = ctx.runfiles([ctx.file.data]), executable = importer, )] docker_image = rule( implementation = _docker_image_impl, - doc = "Tool to load a Docker image; takes a single parameter (image name).", + doc = "Tool to import a Docker image; takes a single parameter (image name).", attrs = { "statements": attr.string_list(doc = "Extra Dockerfile directives."), - "data": attr.label_list(doc = "All image data."), + "data": attr.label(doc = "Image filesystem tarball", allow_single_file = [".tgz", ".tar.gz"]), }, executable = True, ) |