Merge pull request #117570 from FRidh/python2alias

Python: be explicit on whether it is python2 or python3 that is used

pkgs/development/tools/build-managers/bam/default.nix

@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, lua5_3, python }:
+{ lib, stdenv, fetchFromGitHub, lua5_3, python3 }:
 
 stdenv.mkDerivation rec {
   pname = "bam";
@@ -11,11 +11,13 @@ stdenv.mkDerivation rec {
     sha256 = "13br735ig7lygvzyfd15fc2rdygrqm503j6xj5xkrl1r7w2wipq6";
   };
 
-  buildInputs = [ lua5_3 python ];
+  nativeBuildInputs = [ lua5_3 python3 ];
 
   buildPhase = "${stdenv.shell} make_unix.sh";
 
-  checkPhase = "${python.interpreter} scripts/test.py";
+  checkPhase = "${python3.interpreter} scripts/test.py";
+
+  strictDeps = true;
 
   installPhase = ''
     mkdir -p "$out/share/bam"

pkgs/development/tools/build-managers/bazel/bazel_0_26/default.nix

@@ -1,6 +1,6 @@
 { stdenv, callPackage, lib, fetchurl, fetchpatch, runCommand, makeWrapper
 , zip, unzip, bash, writeCBin, coreutils
-, which, python, perl, gawk, gnused, gnutar, gnugrep, gzip, findutils
+, which, python3, perl, gawk, gnused, gnutar, gnugrep, gzip, findutils
 # Apple dependencies
 , cctools, llvmPackages_8, CoreFoundation, CoreServices, Foundation
 # Allow to independently override the jdks used to build and run respectively
@@ -210,8 +210,8 @@ stdenv'.mkDerivation rec {
       # Substitute python's stub shebang to plain python path. (see TODO add pr URL)
       # See also `postFixup` where python is added to $out/nix-support
       substituteInPlace src/main/java/com/google/devtools/build/lib/bazel/rules/python/python_stub_template.txt\
-          --replace "/usr/bin/env python" "${python}/bin/python" \
-          --replace "NIX_STORE_PYTHON_PATH" "${python}/bin/python" \
+          --replace "/usr/bin/env python" "${python3.interpreter}" \
+          --replace "NIX_STORE_PYTHON_PATH" "${python3.interpreter}" \
 
       # md5sum is part of coreutils
       sed -i 's|/sbin/md5|md5sum|' \
@@ -287,11 +287,13 @@ stdenv'.mkDerivation rec {
     buildJdk
   ];
 
+  strictDeps = true;
+
   # when a command can’t be found in a bazel build, you might also
   # need to add it to `defaultShellPath`.
   nativeBuildInputs = [
     zip
-    python
+    python3
     unzip
     makeWrapper
     which
@@ -380,7 +382,7 @@ stdenv'.mkDerivation rec {
     echo "${customBash} ${defaultShellPath}" >> $out/nix-support/depends
     # The templates get tar’d up into a .jar,
     # so nix can’t detect python is needed in the runtime closure
-    echo "${python}" >> $out/nix-support/depends
+    echo "${python3}" >> $out/nix-support/depends
   '';
 
   dontStrip = true;