chore: make rules_distroless generate no diff

distroless/private/group.bzl

@@ -5,6 +5,13 @@ load("@aspect_bazel_lib//lib:tar.bzl", "tar")
 load("@aspect_bazel_lib//lib:utils.bzl", "propagate_common_rule_attributes")
 load("@bazel_skylib//rules:write_file.bzl", "write_file")
 
+def _get_attr(o, k, d):
+    if k in o:
+        return o[k]
+    if hasattr(o, k):
+        return getattr(o, k)
+    return d
+
 def group(name, groups, **kwargs):
     """
     Create a group file from array of dicts.
@@ -23,12 +30,12 @@ def group(name, groups, **kwargs):
             # See https://www.ibm.com/docs/en/aix/7.2?topic=files-etcgroup-file#group_security__a3179518__title__1
             ":".join([
                 entry["name"],
-                "!",  # not used. Group administrators are provided instead of group passwords.
+                _get_attr(entry, "password", "!"),  # not used. Group administrators are provided instead of group passwords.
                 str(entry["gid"]),
                 ",".join(entry["users"]),
             ])
             for entry in groups
-        ],
+        ] + [""],
         out = "%s.content" % name,
         **common_kwargs
     )

distroless/private/os_release.bzl

@@ -25,7 +25,7 @@ def os_release(name, content, path = "/usr/lib/os-release", **kwargs):
         content = [
             "{}={}".format(key, value)
             for (key, value) in content.items()
-        ],
+        ] + [""],
         out = "%s.content" % name,
         **common_kwargs
     )

distroless/private/passwd.bzl

@@ -40,7 +40,7 @@ def passwd(name, passwds, mode = "644", **kwargs):
                 entry["shell"],
             ])
             for entry in passwds
-        ],
+        ] + [""],
         out = "%s.content" % name,
         **common_kwargs
     )

examples/flatten/BUILD.bazel

@@ -52,7 +52,7 @@ assert_tar_listing(
     actual = "flatten",
     expected = """\
 #mtree
-./etc/passwd nlink=0 time=0.0 mode=644 gid=0 uid=0 type=file size=33 cksum=3891093834 sha1digest=94f013494b98f8ed618ce2e670d405f818ec3915
+./etc/passwd nlink=0 time=0.0 mode=644 gid=0 uid=0 type=file size=34 cksum=3470383902 sha1digest=240bc4b96dc5e13ffcc715bda7aaa9665fc1069c
 ./examples time=1672560000.0 mode=755 gid=0 uid=0 type=dir
 ./examples/flatten time=1672560000.0 mode=755 gid=0 uid=0 type=dir
 ./examples/flatten/dir time=1672560000.0 mode=755 gid=0 uid=0 type=dir

examples/group/BUILD.bazel

@@ -14,6 +14,15 @@ group(
                 "cjf",
             ],
         ),
+        dict(
+            name = "nonroot",
+            gid = 4656,
+            password = "x",
+            users = [
+                "shadow",
+                "cjf",
+            ],
+        ),
     ],
 )
 
@@ -28,6 +37,6 @@ assert_tar_listing(
     actual = "group",
     expected = """\
 #mtree
-./etc/group nlink=0 time=0.0 mode=644 gid=0 uid=0 type=file size=19 cksum=290415485 sha1digest=20c70f96d7939eb77c7f07bb8c0f200d89ce33b0
+./etc/group nlink=0 time=0.0 mode=644 gid=0 uid=0 type=file size=46 cksum=1308212548 sha1digest=73eab1fb5cf810c5811e9594a9180bee97011ed1
 """,
 )

examples/group/group.expected.txt

@@ -1 +1,2 @@
-root:!:0:shadow,cjf
+root:!:0:shadow,cjf
+nonroot:x:4656:shadow,cjf

examples/os_release/BUILD.bazel

@@ -21,7 +21,7 @@ assert_tar_listing(
     actual = "os_release",
     expected = """\
 #mtree
-./usr/lib/os-release nlink=0 time=0.0 mode=755 gid=0 uid=0 type=file size=47 cksum=1353493935 sha1digest=ae180d07c7e29e34e1e74ee7c49f371c8cf006d5
+./usr/lib/os-release nlink=0 time=0.0 mode=755 gid=0 uid=0 type=file size=48 cksum=107085711 sha1digest=956eb93b9476f9fc8f93cb450adc4f716d158500
 """,
 )
 
@@ -40,6 +40,6 @@ assert_tar_listing(
     actual = "os_release_alternative_path",
     expected = """\
 #mtree
-./etc/os-release nlink=0 time=0.0 mode=755 gid=0 uid=0 type=file size=66 cksum=187595121 sha1digest=7db059bd2ee4a8606f310fa84fb29f56f151b218
+./etc/os-release nlink=0 time=0.0 mode=755 gid=0 uid=0 type=file size=67 cksum=1175356314 sha1digest=ebdde6fdd9cf9876b4b592772d85817b4b482327
 """,
 )

examples/os_release/content.expected.txt

@@ -1,2 +1,2 @@
 PRETTY_NAME=Distroless
-VERSION=Debian GNU/Linux
+VERSION=Debian GNU/Linux

examples/passwd/BUILD.bazel

@@ -27,6 +27,6 @@ assert_tar_listing(
     actual = "passwd",
     expected = """\
 #mtree
-./etc/passwd nlink=0 time=0.0 mode=644 gid=0 uid=0 type=file size=35 cksum=2298809208 sha1digest=31ad675c1210fd0413dd9b2441aaaf13c18d1547
+./etc/passwd nlink=0 time=0.0 mode=644 gid=0 uid=0 type=file size=36 cksum=216816702 sha1digest=a158dcecfd75d6502cdb1086eb5b0756d08fc423
 """,
 )

examples/passwd/passwd.expected.txt

@@ -1 +1 @@
-root:!:0:0:root:/root:/usr/bin/bash
+root:!:0:0:root:/root:/usr/bin/bash