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support default target attrs for attrSets

This commit is contained in:
Erik Arvstedt 2020-04-18 23:36:53 +02:00
parent 2cafddd78d
commit 8a8b2cf861
1 changed files with 12 additions and 7 deletions
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19
lib/default.nix
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@ -43,17 +43,22 @@ let {
lib.elem target.host [origin.host "localhost"];
mkTarget = s: let
default = defVal: val: if val != null then val else defVal;
parse = lib.match "(([^@]*)@)?(([^:/]+))?(:([^/]+))?(/.*)?" s;
elemAt' = xs: i: if lib.length xs > i then lib.elemAt xs i else null;
in if lib.isString s then {
user = default (lib.getEnv "LOGNAME") (elemAt' parse 1);
host = default (lib.maybeEnv "HOSTNAME" lib.getHostName) (elemAt' parse 3);
port = default "22" /* "ssh"? */ (elemAt' parse 5);
path = default "/var/src" /* no default? */ (elemAt' parse 6);
filterNull = lib.filterAttrs (n: v: v != null);
in {
user = lib.getEnv "LOGNAME";
host = lib.maybeEnv "HOSTNAME" lib.getHostName;
port = "22";
path = "/var/src";
sudo = false;
extraOptions = [];
} else s;
} // (if lib.isString s then filterNull {
user = elemAt' parse 1;
host = elemAt' parse 3;
port = elemAt' parse 5;
path = elemAt' parse 6;
} else s);
shell = let
isSafeChar = lib.testString "[-+./0-9:=A-Z_a-z]";