Add --quiet option to activate and deactivate

bin/pyenv-sh-activate

@@ -20,6 +20,12 @@ if [ "$1" = "--complete" ]; then
   exec pyenv-virtualenvs --bare
 fi
 
+unset QUIET
+if [ "$1" = "--quiet" ]; then
+  QUIET=1
+  shift 1
+fi
+
 if [ "$1" = "--unset" ]; then
   echo "pyenv deactivate"
   exit
@@ -40,12 +46,13 @@ if [ -z "${PYENV_VIRTUALENV_INIT}" ]; then
 fi
 
 if [ "${#versions[@]}" -gt 1 ]; then
-  echo "pyenv-virtualenv: cannot activate multiple versions at once: ${versions[@]}" 1>&2
+  [ -n "$QUIET" ] || echo "pyenv-virtualenv: cannot activate multiple versions at once: ${versions[@]}" 1>&2
   echo "false"
   exit 1
 fi
 
-if ! pyenv-virtualenv-prefix "${versions}" 1>/dev/null; then
+if ! pyenv-virtualenv-prefix "${versions}" 1>/dev/null 2>&1; then
+  [ -n "$QUIET" ] || echo "pyenv-virtualenv: version \`${versions}' is not a virtualenv" 1>&2
   echo "false"
   exit 1
 fi
@@ -70,9 +77,11 @@ fish )
 esac
 
 # Display setup instruction if 'pyenv virtualenv-init -' is not found in "$profile"
+if [ -z "$QUIET" ]; then
   if [ -f "$profile" ] && grep -q 'pyenv init -' "$profile" && ! grep -q 'pyenv virtualenv-init -' "$profile"; then
     pyenv-virtualenv-init >&2 || true
   fi
+fi
 
 if [ -z "$no_shell" ]; then
   echo "pyenv shell \"${versions}\";"

bin/pyenv-sh-deactivate

@@ -9,6 +9,12 @@
 set -e
 [ -n "$PYENV_DEBUG" ] && set -x
 
+unset QUIET
+if [ "$1" = "--quiet" ]; then
+  QUIET=1
+  shift 1
+fi
+
 shell="$(basename "${PYENV_SHELL:-$SHELL}")"
 case "$shell" in
 fish )
@@ -27,23 +33,29 @@ fi
 
 case "$shell" in
 fish )
-  cat <<EOS
+  echo "  setenv PYENV_DEACTIVATE \"\$VIRTUAL_ENV\";"
-  setenv PYENV_DEACTIVATE "\$VIRTUAL_ENV";
-  deactivate;
-else
-  echo "pyenv-virtualenv: no virtualenv has been activated." 1>&2;
-  false;
-end;
-EOS
   ;;
 *    )
-  cat <<EOS
+  echo "  export PYENV_DEACTIVATE=\"\$VIRTUAL_ENV\";"
-  export PYENV_DEACTIVATE="\$VIRTUAL_ENV";
+  ;;
-  deactivate;
+esac
-else
+
-  echo "pyenv-virtualenv: no virtualenv has been activated." 1>&2;
+cat <<EOS
-  false;
+  deactivate;
-fi;
+else
-EOS
+EOS
+
+if [ -z "$QUIET" ]; then
+  echo "  echo \"pyenv-virtualenv: no virtualenv has been activated.\" 1>&2;"
+fi
+
+echo "  false;"
+
+case "$shell" in
+fish )
+  echo "end;"
+  ;;
+*    )
+  echo "fi;"
   ;;
 esac

test/activate.bats

@@ -137,7 +137,7 @@ EOS
 }
 
 @test "should fail if the version is not a virtualenv" {
-  stub pyenv-virtualenv-prefix "3.3.3 : echo \"not a virtualenv\" 1>&2; false"
+  stub pyenv-virtualenv-prefix "3.3.3 : false"
 
   run pyenv-sh-activate "3.3.3"
 
@@ -145,7 +145,20 @@ EOS
 
   assert_failure
   assert_output <<EOS
-not a virtualenv
+pyenv-virtualenv: version \`3.3.3' is not a virtualenv
+false
+EOS
+}
+
+@test "should fail if the version is not a virtualenv (quiet)" {
+  stub pyenv-virtualenv-prefix "3.3.3 : false"
+
+  run pyenv-sh-activate --quiet "3.3.3"
+
+  unstub pyenv-virtualenv-prefix
+
+  assert_failure
+  assert_output <<EOS
 false
 EOS
 }
@@ -160,6 +173,15 @@ false
 EOS
 }
 
+@test "should fail if there are multiple versions (quiet)" {
+  run pyenv-sh-activate --quiet "venv" "venv27"
+
+  assert_failure
+  assert_output <<EOS
+false
+EOS
+}
+
 @test "should fail if activate is invoked as a command" {
   run pyenv-activate
 

test/deactivate.bats

@@ -23,7 +23,23 @@ fi;
 EOS
 }
 
-@test "deactivate virtualenv (without pyenv-virtualenv-init)" {
+@test "deactivate virtualenv (quiet)" {
+  export PYENV_VIRTUALENV_INIT=1
+
+  PYENV_SHELL="bash" run pyenv-sh-deactivate --quiet
+
+  assert_success
+  assert_output <<EOS
+if declare -f deactivate 1>/dev/null 2>&1; then
+  export PYENV_DEACTIVATE="\$VIRTUAL_ENV";
+  deactivate;
+else
+  false;
+fi;
+EOS
+}
+
+@test "deactivate virtualenv (w/o pyenv-virtualenv-init)" {
   export PYENV_VIRTUALENV_INIT=
 
   PYENV_SHELL="bash" run pyenv-sh-deactivate
@@ -41,6 +57,23 @@ fi;
 EOS
 }
 
+@test "deactivate virtualenv (w/o pyenv-virtualenv-init) (quiet)" {
+  export PYENV_VIRTUALENV_INIT=
+
+  PYENV_SHELL="bash" run pyenv-sh-deactivate --quiet
+
+  assert_success
+  assert_output <<EOS
+if declare -f deactivate 1>/dev/null 2>&1; then
+  pyenv shell --unset;
+  export PYENV_DEACTIVATE="\$VIRTUAL_ENV";
+  deactivate;
+else
+  false;
+fi;
+EOS
+}
+
 @test "deactivate virtualenv (fish)" {
   export PYENV_VIRTUALENV_INIT=1
 
@@ -58,7 +91,23 @@ end;
 EOS
 }
 
-@test "deactivate virtualenv (fish) (without pyenv-virtualenv-init)" {
+@test "deactivate virtualenv (fish) (quiet)" {
+  export PYENV_VIRTUALENV_INIT=1
+
+  PYENV_SHELL="fish" run pyenv-sh-deactivate --quiet
+
+  assert_success
+  assert_output <<EOS
+if functions -q deactivate
+  setenv PYENV_DEACTIVATE "\$VIRTUAL_ENV";
+  deactivate;
+else
+  false;
+end;
+EOS
+}
+
+@test "deactivate virtualenv (fish) (w/o pyenv-virtualenv-init)" {
   export PYENV_VIRTUALENV_INIT=
 
   PYENV_SHELL="fish" run pyenv-sh-deactivate
@@ -76,6 +125,22 @@ end;
 EOS
 }
 
+@test "deactivate virtualenv (fish) (w/o pyenv-virtualenv-init) (quiet)" {
+  export PYENV_VIRTUALENV_INIT=
+
+  PYENV_SHELL="fish" run pyenv-sh-deactivate --quiet
+
+  assert_success
+  assert_output <<EOS
+if functions -q deactivate
+  pyenv shell --unset;
+  setenv PYENV_DEACTIVATE "\$VIRTUAL_ENV";
+  deactivate;
+else
+  false;
+end;
+EOS
+}
 @test "should fail if deactivate is invoked as a command" {
   run pyenv-deactivate