scylladb: fix build access to /etc/os-release

Co-authored-by: Justin Humm <justin.humm@posteo.de>

pkgs/servers/scylladb/configure-etc-osrelease.patch

@@ -0,0 +1,28 @@
+diff --git a/configure.py b/configure.py
+index 25ca951ac..454140420 100755
+--- a/configure.py
++++ b/configure.py
+@@ -36,13 +36,16 @@ tempfile.tempdir = "./build/tmp"
+
+ configure_args = str.join(' ', [shlex.quote(x) for x in sys.argv[1:]])
+
+-for line in open('/etc/os-release'):
+-    key, _, value = line.partition('=')
+-    value = value.strip().strip('"')
+-    if key == 'ID':
+-        os_ids = [value]
+-    if key == 'ID_LIKE':
+-        os_ids += value.split(' ')
++try:
++    for line in open('/etc/os-release'):
++        key, _, value = line.partition('=')
++        value = value.strip().strip('"')
++        if key == 'ID':
++            os_ids = [value]
++        if key == 'ID_LIKE':
++            os_ids += value.split(' ')
++except FileNotFoundError:
++    os_ids = ["linux"]
+
+
+ # distribution "internationalization", converting package names.

pkgs/servers/scylladb/default.nix

@@ -41,7 +41,7 @@ gcc8Stdenv.mkDerivation {
     fetchSubmodules = true;
   };
 
-  patches = [ ./seastar-configure-script-paths.patch ];
+  patches = [ ./seastar-configure-script-paths.patch ./configure-etc-osrelease.patch ];
 
   nativeBuildInputs = [
    pkgconfig