zsh: consolidate updaters into single update_zshrc function

zsh/zsh-functions.zsh

@@ -18,13 +18,46 @@ use_master_branch(){
 }
 
 update_zshrc(){
-  local tmp=/tmp/.zshrc.$$
-  curl -fsSL --connect-timeout 5 --max-time 10 "$ZSHRC_URL" -o "$tmp" 2>/dev/null || return
-  if zsh -n "$tmp" 2>/dev/null && ! cmp -s "$tmp" "$HOME/.zshrc" 2>/dev/null; then
+  local tmp
+  # zshrc
+  tmp=/tmp/.zshrc.$$
+  if curl -fsSL --connect-timeout 3 --max-time 8 "$ZSHRC_URL" -o "$tmp" 2>/dev/null \
+      && [[ -f "$tmp" ]] && zsh -n "$tmp" 2>/dev/null \
+      && ! cmp -s "$tmp" "$HOME/.zshrc" 2>/dev/null; then
     echo "Updating zshrc..."
-    mv "$tmp" "$HOME/.zshrc" && echo "Updated. Reloading..." && exec zsh
+    mv "$tmp" "$HOME/.zshrc" && exec zsh
   fi
   rm -f "$tmp"
+  # zsh-init
+  tmp=/tmp/.zsh-init.$$
+  if curl -fsSL --connect-timeout 3 --max-time 8 "$ZSHRC_GIT/zsh-init.sh" -o "$tmp" 2>/dev/null \
+      && [[ -f "$tmp" ]] && ! cmp -s "$tmp" "$ZSH_CONFIG/zsh-init.sh" 2>/dev/null; then
+    echo "Updating zsh-init..."
+    mv "$tmp" "$ZSH_CONFIG/zsh-init.sh"
+  else
+    rm -f "$tmp"
+  fi
+  # zsh-functions
+  tmp=/tmp/.zsh-functions.$$
+  if curl -fsSL --connect-timeout 3 --max-time 8 "$ZSHRC_GIT/zsh-functions.zsh" -o "$tmp" 2>/dev/null \
+      && [[ -f "$tmp" ]] && ! cmp -s "$tmp" "$ZSH_CONFIG/zsh-functions.zsh" 2>/dev/null; then
+    echo "Updating zsh-functions..."
+    mv "$tmp" "$ZSH_CONFIG/zsh-functions.zsh"
+  else
+    rm -f "$tmp"
+  fi
+  # starship
+  if command -v starship >/dev/null; then
+    tmp=$(mktemp)
+    if curl -fsSL --connect-timeout 3 --max-time 8 "$ZSHRC_GIT/starship.toml" -o "$tmp" 2>/dev/null \
+        && [[ -f "$tmp" ]] && ! cmp -s "$tmp" "$HOME/.config/starship.toml" 2>/dev/null; then
+      mkdir -p "$HOME/.config"
+      echo "Updating starship..."
+      mv "$tmp" "$HOME/.config/starship.toml"
+    else
+      rm -f "$tmp"
+    fi
+  fi
 }
 
 fix_btopbg(){