cleanup in fish

Use process subtitution syntax:

    . (rbenv init -|psub)

instead of:

    eval (rbenv init -)

because the latter doesn't work well with newlines.

libexec/rbenv-init

@@ -73,7 +73,14 @@ if [ -z "$print" ]; then
   { echo "# Load rbenv automatically by adding"
     echo "# the following to ${profile}:"
     echo
-    echo 'eval "$(rbenv init -)"'
+    case "$shell" in
+    fish )
+      echo '. (rbenv init -|psub)'
+      ;;
+    * )
+      echo 'eval "$(rbenv init -)"'
+      ;;
+    esac
     echo
   } >&2
 
@@ -85,7 +92,7 @@ mkdir -p "${RBENV_ROOT}/"{shims,versions}
 if [[ ":${PATH}:" != *:"${RBENV_ROOT}/shims":* ]]; then
   case "$shell" in
   fish )
-    echo 'setenv PATH "'${RBENV_ROOT}'/shims"' '$PATH' ';'
+    echo "setenv PATH '${RBENV_ROOT}/shims' \$PATH"
   ;;
   * )
     echo 'export PATH="'${RBENV_ROOT}'/shims:${PATH}"'
@@ -94,7 +101,7 @@ if [[ ":${PATH}:" != *:"${RBENV_ROOT}/shims":* ]]; then
 fi
 
 completion="${root}/completions/rbenv.${shell}"
-[ -r "$completion" ] && echo "source '$completion'"
+[ -r "$completion" ] && echo ". '$completion'"
 
 if [ -z "$no_rehash" ]; then
   echo 'rbenv rehash 2>/dev/null'
@@ -106,9 +113,7 @@ fish )
   cat <<EOS
 function rbenv
   set command \$argv[1]
-  if [ (count \$argv) -gt 0 ]
-    set -e argv[1]
-  end
+  set -e argv[1]
 
   switch "\$command"
   case ${commands[*]}

libexec/rbenv-sh-rehash

@@ -15,9 +15,11 @@ rbenv-rehash
 
 case "$shell" in
 fish )
-  # nothing to do
+  or='; or'
   ;;
 * )
-  echo "hash -r 2>/dev/null || true"
+  or='||'
   ;;
 esac
+
+echo "hash -r 2>/dev/null $or true"

test/init.bats

@@ -21,14 +21,14 @@ load test_helper
   root="$(cd $BATS_TEST_DIRNAME/.. && pwd)"
   SHELL=/bin/bash run rbenv-init -
   assert_success
-  assert_line "source '${root}/libexec/../completions/rbenv.bash'"
+  assert_line ". '${root}/libexec/../completions/rbenv.bash'"
 }
 
 @test "setup shell completions (fish)" {
   root="$(cd $BATS_TEST_DIRNAME/.. && pwd)"
   SHELL=/usr/bin/fish run rbenv-init -
   assert_success
-  assert_line '. "'${root}'/libexec/../completions/rbenv.fish";'
+  assert_line ". '${root}/libexec/../completions/rbenv.fish'"
 }
 
 @test "option to skip rehash" {
@@ -48,7 +48,7 @@ load test_helper
   export PATH="${BATS_TEST_DIRNAME}/../libexec:/usr/bin:/bin"
   SHELL=/usr/bin/fish run rbenv-init -
   assert_success
-  assert_line 0 'setenv PATH "'${RBENV_ROOT}'/shims" $PATH ;'
+  assert_line 0 "setenv PATH '${RBENV_ROOT}/shims' \$PATH"
 }
 
 @test "doesn't add shims to PATH more than once" {

test/rehash.bats

@@ -98,3 +98,17 @@ SH
   assert_success
   assert_output "HELLO=:hello:ugly:world:again"
 }
+
+@test "sh-rehash in bash" {
+  create_executable "2.0" "ruby"
+  SHELL=/bin/bash run rbenv-sh-rehash
+  assert_success "hash -r 2>/dev/null || true"
+  assert [ -x "${RBENV_ROOT}/shims/ruby" ]
+}
+
+@test "sh-rehash in fish" {
+  create_executable "2.0" "ruby"
+  SHELL=/usr/bin/fish run rbenv-sh-rehash
+  assert_success "hash -r 2>/dev/null ; or true"
+  assert [ -x "${RBENV_ROOT}/shims/ruby" ]
+}