use \#\!/usr/bin/env bash for portability

Makefile

@@ -494,9 +494,9 @@ $(TEST_TARGET): $(MXENV_TARGET)
 
 .PHONY: test
 test: $(FILES_TARGET) $(SOURCES_TARGET) $(PACKAGES_TARGET) $(TEST_TARGET) $(TEST_DEPENDENCY_TARGETS)
-	@echo "Run tests"
-	@test -z "$(TEST_COMMAND)" && echo "No test command defined"
-	@test -z "$(TEST_COMMAND)" || bash -c "$(TEST_COMMAND)"
+	@test -z "$(TEST_COMMAND)" && echo "No test command defined" && exit 1 || :
+	@echo "Run tests using $(TEST_COMMAND)"
+	@/usr/bin/env bash -c "$(TEST_COMMAND)"
 
 .PHONY: test-dirty
 test-dirty:

src/mxmake/templates/script.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # THIS SCRIPT IS GENERATED BY MXMAKE.
 # CHANGES MADE IN THIS FILE WILL BE LOST.

src/mxmake/tests/test_templates.py

@@ -161,7 +161,7 @@ def test_TestScript(self, tempdir):
         with open(os.path.join(tempdir, "run-tests.sh")) as f:
             self.checkOutput(
                 """
-                #!/bin/bash
+                #!/usr/bin/env bash
                 #
                 # THIS SCRIPT IS GENERATED BY MXMAKE.
                 # CHANGES MADE IN THIS FILE WILL BE LOST.
@@ -205,7 +205,7 @@ def test_TestScript(self, tempdir):
         with open(os.path.join(tempdir, "run-tests.sh")) as f:
             self.checkOutput(
                 """
-                #!/bin/bash
+                #!/usr/bin/env bash
                 #
                 # THIS SCRIPT IS GENERATED BY MXMAKE.
                 # CHANGES MADE IN THIS FILE WILL BE LOST.
@@ -237,7 +237,7 @@ def test_TestScript(self, tempdir):
         with open(os.path.join(tempdir, "run-tests.sh")) as f:
             self.checkOutput(
                 """
-                #!/bin/bash
+                #!/usr/bin/env bash
                 #
                 # THIS SCRIPT IS GENERATED BY MXMAKE.
                 # CHANGES MADE IN THIS FILE WILL BE LOST.
@@ -324,7 +324,7 @@ def test_CoverageScript(self, tempdir):
         with open(os.path.join(tempdir, "run-coverage.sh")) as f:
             self.checkOutput(
                 """
-                #!/bin/bash
+                #!/usr/bin/env bash
                 #
                 # THIS SCRIPT IS GENERATED BY MXMAKE.
                 # CHANGES MADE IN THIS FILE WILL BE LOST.
@@ -391,7 +391,7 @@ def test_CoverageScript(self, tempdir):
         with open(os.path.join(tempdir, "run-coverage.sh")) as f:
             self.checkOutput(
                 """
-                #!/bin/bash
+                #!/usr/bin/env bash
                 #
                 # THIS SCRIPT IS GENERATED BY MXMAKE.
                 # CHANGES MADE IN THIS FILE WILL BE LOST.
@@ -436,7 +436,7 @@ def test_CoverageScript(self, tempdir):
         with open(os.path.join(tempdir, "run-coverage.sh")) as f:
             self.checkOutput(
                 """
-                #!/bin/bash
+                #!/usr/bin/env bash
                 #
                 # THIS SCRIPT IS GENERATED BY MXMAKE.
                 # CHANGES MADE IN THIS FILE WILL BE LOST.

src/mxmake/topics/qa/test.mk

@@ -33,9 +33,9 @@ $(TEST_TARGET): $(MXENV_TARGET)
 
 .PHONY: test
 test: $(FILES_TARGET) $(SOURCES_TARGET) $(PACKAGES_TARGET) $(TEST_TARGET) $(TEST_DEPENDENCY_TARGETS)
-	@echo "Run tests"
-	@test -z "$(TEST_COMMAND)" && echo "No test command defined"
-	@test -z "$(TEST_COMMAND)" || bash -c "$(TEST_COMMAND)"
+	@test -z "$(TEST_COMMAND)" && echo "No test command defined" && exit 1 || :
+	@echo "Run tests using $(TEST_COMMAND)"
+	@/usr/bin/env bash -c "$(TEST_COMMAND)"
 
 .PHONY: test-dirty
 test-dirty: