style: format entire depot with nixpkgs-fmt

This CL can be used to compare the style of nixpkgs-fmt against other
formatters (nixpkgs, alejandra).

Change-Id: I87c6abff6bcb546b02ead15ad0405f81e01b6d9e
Reviewed-on: https://cl.tvl.fyi/c/depot/+/4397
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
Reviewed-by: lukegb <lukegb@tvl.fyi>
Reviewed-by: wpcarro <wpcarro@gmail.com>
Reviewed-by: Profpatsch <mail@profpatsch.de>
Reviewed-by: kanepyork <rikingcoding@gmail.com>
Reviewed-by: tazjin <tazjin@tvl.su>
Reviewed-by: cynthia <cynthia@tvl.fyi>
Reviewed-by: edef <edef@edef.eu>
Reviewed-by: eta <tvl@eta.st>
Reviewed-by: grfn <grfn@gws.fyi>

users/sterni/nix/string/default.nix

@@ -21,7 +21,8 @@ let
   charAt = i: s:
     let
       r = builtins.substring i 1 s;
-    in if r == "" then null else r;
+    in
+    if r == "" then null else r;
 
   charIndex = char: s:
     let
@@ -32,7 +33,8 @@ let
           [ (charAt i s == char) i ]
           [ true (go (i + 1)) ]
         ];
-    in go 0;
+    in
+    go 0;
 
   toChars = lib.stringToCharacters;
   fromChars = lib.concatStrings;
@@ -46,15 +48,16 @@ let
     let
       leftS = fromChars (builtins.genList (_: char) left);
       rightS = fromChars (builtins.genList (_: char) right);
-    in "${leftS}${s}${rightS}";
+    in
+    "${leftS}${s}${rightS}";
 
   fit = { char ? " ", width, side ? "left" }: s:
     let
       diff = width - builtins.stringLength s;
     in
-      if diff <= 0
-      then s
-      else pad { inherit char; "${side}" = diff; } s;
+    if diff <= 0
+    then s
+    else pad { inherit char; "${side}" = diff; } s;
 
   # pattern matching for strings only
   match = val: matcher: matcher."${val}";
@@ -80,23 +83,28 @@ let
       tokens = lib.flatten (builtins.split "(%.)" formatString);
       argsNeeded = builtins.length (builtins.filter specifierWithArg tokens);
 
-      format = args: (builtins.foldl' ({ out ? "", argIndex ? 0 }: token: {
-        argIndex = argIndex + (if specifierWithArg token then 1 else 0);
-        out =
-          /**/ if token == "%s" then out + builtins.elemAt args argIndex
-          else if token == "%%" then out + "%"
-          else if isSpecifier token then throw "Unsupported format specifier ${token}"
-          else out + token;
-      }) {} tokens).out;
+      format = args: (builtins.foldl'
+        ({ out ? "", argIndex ? 0 }: token: {
+          argIndex = argIndex + (if specifierWithArg token then 1 else 0);
+          out =
+            /**/
+            if token == "%s" then out + builtins.elemAt args argIndex
+            else if token == "%%" then out + "%"
+            else if isSpecifier token then throw "Unsupported format specifier ${token}"
+            else out + token;
+        })
+        { }
+        tokens).out;
 
       accumulateArgs = argCount: args:
         if argCount > 0
         then arg: accumulateArgs (argCount - 1) (args ++ [ arg ])
         else format args;
     in
-      accumulateArgs argsNeeded [];
+    accumulateArgs argsNeeded [ ];
 
-in {
+in
+{
   inherit
     take
     drop

users/sterni/nix/string/tests/default.nix

@@ -63,10 +63,10 @@ let
   ];
 
 in
-  runTestsuite "nix.string" [
-    testTakeDrop
-    testIndexing
-    testFinding
-    testMatch
-    testPrintf
-  ]
+runTestsuite "nix.string" [
+  testTakeDrop
+  testIndexing
+  testFinding
+  testMatch
+  testPrintf
+]