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users: add support for group members

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Unlike user options this is updated if the group already exists.
This commit is contained in:
Daiderd Jordan 2018-01-14 13:26:18 +01:00
parent f0e4aabb78
commit b1645201f1
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GPG key ID: D02435D05B810C96
2 changed files with 24 additions and 9 deletions
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15
modules/users/default.nix
View file

@ -8,6 +8,8 @@ let
group = import ./group.nix;
user = import ./user.nix;
toArguments = concatMapStringsSep " " (v: "'${v}'");
isCreated = list: name: elem name list;
isDeleted = attrs: name: ! elem name (mapAttrsToList (n: v: v.name) attrs);
@ -56,10 +58,17 @@ in
echo "creating group ${v.name}..." >&2
dscl . -create '/Groups/${v.name}' PrimaryGroupID ${toString v.gid}
dscl . -create '/Groups/${v.name}' RealName '${v.description}'
else
if [ "$g" -ne ${toString v.gid} ]; then
echo "warning: existing group '${v.name}' has unexpected gid $g, skipping..." >&2
g=${toString v.gid}
fi
if [ "$g" -eq ${toString v.gid} ]; then
g=$(dscl . -read '/Groups/${v.name}' GroupMembership 2> /dev/null) || true
if [ "$g" != 'GroupMembership: ${concatStringsSep " " v.members}' ]; then
echo "updating group members ${v.name}..." >&2
dscl . -create '/Groups/${v.name}' GroupMembership ${toArguments v.members}
fi
else
echo "warning: existing group '${v.name}' has unexpected gid $g, skipping..." >&2
fi
'') createdGroups}

18
modules/users/group.nix
View file

@ -4,6 +4,14 @@ with lib;
{
options = {
name = mkOption {
type = types.str;
description = ''
The group's name. If undefined, the name of the attribute set
will be used.
'';
};
gid = mkOption {
type = mkOptionType {
name = "gid";
@ -12,12 +20,10 @@ with lib;
description = "The group's GID.";
};
name = mkOption {
type = types.str;
description = ''
The group's name. If undefined, the name of the attribute set
will be used.
'';
members = mkOption {
type = types.listOf types.string;
default = [];
description = "The group's members.";
};
description = mkOption {