[Refctor] Improve profile detection in install script

install.sh

@@ -183,6 +183,15 @@ install_nvm_as_script() {
   }
 }
 
+nvm_try_profile() {
+  local PROFILE_PATH
+  PROFILE_PATH="${1}"
+  if [ ! -f "${PROFILE_PATH}" ]; then
+    return 1
+  fi
+  echo "${PROFILE_PATH}"
+}
+
 #
 # Detect profile file if not specified as environment variable
 # (eg: PROFILE=~/.myprofile)
@@ -211,15 +220,12 @@ nvm_detect_profile() {
   fi
 
   if [ -z "$DETECTED_PROFILE" ]; then
-    if [ -f "$HOME/.profile" ]; then
-      DETECTED_PROFILE="$HOME/.profile"
-    elif [ -f "$HOME/.bashrc" ]; then
-      DETECTED_PROFILE="$HOME/.bashrc"
-    elif [ -f "$HOME/.bash_profile" ]; then
-      DETECTED_PROFILE="$HOME/.bash_profile"
-    elif [ -f "$HOME/.zshrc" ]; then
-      DETECTED_PROFILE="$HOME/.zshrc"
-    fi
+    for EACH_PROFILE in ".profile" ".bashrc" ".bash_profile" ".zshrc"
+    do
+      if DETECTED_PROFILE=$(nvm_try_profile "${HOME}/${EACH_PROFILE}"); then
+        break
+      fi
+    done
   fi
 
   if [ ! -z "$DETECTED_PROFILE" ]; then