Basic working root link setup

src/lib/attributes/source-path.sh

@@ -5,6 +5,13 @@ dotify-get-source-path() {
   echo "$(dirname "$dotfile")"
 }
 
+dotify-get-absolute-source-path() {
+  local dotfile="$(dotify-get-dotfile-path)"
+  if [ "$?" != "0" ]; then return 1; fi
+
+  echo "$(abs_dirname "$dotfile")"
+}
+
 dotify-valid-source-path() {
   dotify-get-source-path >/dev/null 2>&1
   return "$?"

src/lib/internals/setup-root-link.sh

@@ -1,3 +1,14 @@
 dotify-setup-root-link() {
-  return 0
+  if [ -n "$DOTIFY_ROOT_LINK_IS_SETUP" ]; then
+    return 0
+  fi
+
+  local source="$(dotify-get-absolute-source-path)"
+  local target="$(dotify-get-target-path)/$(dotify-get-root-link)"
+
+  if [ "$source" != "$(abs_path "$target")" ]; then
+    dotify-create-symlink "$source" "$target"
+  fi
+
+  DOTIFY_ROOT_LINK_IS_SETUP="1"
 }

test/integration/root-link.test.sh

@@ -0,0 +1,31 @@
+#! /usr/bin/env bash
+source "../test-helper.sh"
+
+#
+# Integration test: root link
+#
+
+# Create temp files/folders used for tests.
+TEST_SOURCE="tmp/source"
+TEST_TARGET="tmp/target"
+ABS_TEST_SOURCE="$(pwd)/$TEST_SOURCE"
+MY_DOTFILE="$TEST_SOURCE/Dotfile"
+mkdir -p "$TEST_SOURCE" "$TEST_TARGET"
+
+PROFILE_TXT="# I am a .profile file"
+echo "$PROFILE_TXT" > "$TEST_SOURCE/profile"
+
+# Creates root link.
+echo -e "profile -> .profile" > "$MY_DOTFILE"
+assert "dotify -f '$MY_DOTFILE' -t '$TEST_TARGET' | head -n 1" \
+  "   create: $TEST_TARGET/.dotfiles --> $ABS_TEST_SOURCE"
+assert "readlink '$TEST_TARGET/.dotfiles'" "$ABS_TEST_SOURCE"
+rm "$TEST_TARGET/.dotfiles"
+rm "$TEST_TARGET/.profile"
+rm "$MY_DOTFILE"
+
+# Remove temp files/folders used for locate-dotfile() tests.
+rm "$TEST_SOURCE/profile"
+rmdir "$TEST_SOURCE" "$TEST_TARGET" "tmp"
+
+assert_end 'Integration: root link'