ccls: hardcode script directory (#492035)

pkgs/by-name/cc/ccls/package.nix

@@ -44,7 +44,8 @@ stdenv.mkDerivation (finalAttrs: {
     substitute ${./wrapper} $out/bin/ccls \
       --replace-fail '@clang@' '${llvmPackages.clang}' \
       --replace-fail '@shell@' '${runtimeShell}' \
-      --replace-fail '@wrapped@' "$wrapped"
+      --replace-fail '@wrapped@' "$wrapped" \
+      --replace-fail '@out@' "$out"
     chmod --reference=$out/bin/$wrapped $out/bin/ccls
   '';
 

pkgs/by-name/cc/ccls/wrapper

@@ -1,11 +1,9 @@
 #! @shell@ -e
 
-dirpath=$(CDPATH=  cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
-
 printf -v extraArgs ',\"%s\"' \
   $(cat @clang@/nix-support/libc-cflags \
         @clang@/nix-support/libcxx-cxxflags) \
   ${NIX_CFLAGS_COMPILE}
 initString="--init={\"clang\":{\"extraArgs\":[${extraArgs:1}],\"resourceDir\":\"@clang@/resource-root\"}}"
 
-exec -a "$0" "$dirpath/@wrapped@" "${initString}" "$@"
+exec -a "$0" "@out@/bin/@wrapped@" "${initString}" "$@"