🔧 Improve performances

Author: jpolo

lib/function/self_updated.sh

@@ -2,28 +2,30 @@
 
 laptop_self_updated() {
   local current_branch
-  local behind_count
+  local remote_sha
+  local local_sha
 
   # Homebrew install: check if a newer formula version is available
+  # HOMEBREW_NO_AUTO_UPDATE=1 avoids slow tap updates when only checking one formula
   if [[ -n "$LAPTOP_INSTALL_BREW_PACKAGE" ]] && brew list "$LAPTOP_INSTALL_BREW_PACKAGE" &>/dev/null; then
-    if brew outdated --quiet "$LAPTOP_INSTALL_BREW_PACKAGE" 2>/dev/null | grep -q .; then
+    if HOMEBREW_NO_AUTO_UPDATE=1 brew outdated --quiet "$LAPTOP_INSTALL_BREW_PACKAGE" 2>/dev/null | grep -q .; then
       return 1 # Outdated
     fi
     return 0 # Up-to-date
   fi
 
   # Git install (e.g. zinit or manual clone): check if remote is ahead
+  # Use ls-remote instead of fetch so we don't download objects on every check
   if [[ -d "$LAPTOP_HOME/.git" ]]; then
     current_branch=$(git -C "$LAPTOP_HOME" rev-parse --abbrev-ref HEAD 2>/dev/null)
+    [[ -z "$current_branch" ]] && return 0
 
-    # Fetch updates from the remote
-    git -C "$LAPTOP_HOME" --git-dir="$LAPTOP_HOME/.git" fetch origin >/dev/null 2>&1 || true
+    remote_sha=$(git -C "$LAPTOP_HOME" ls-remote origin "$current_branch" 2>/dev/null | cut -f1)
+    [[ -z "$remote_sha" ]] && return 0 # Can't tell, assume up-to-date
 
-    # Check if the working directory is outdated
-    behind_count=$(git -C "$LAPTOP_HOME" rev-list --left-right --count HEAD...origin/"$current_branch" 2>/dev/null | awk '{print $2}')
-
-    # If behind_count is greater than 0, the repo is outdated
-    if [[ "$behind_count" -gt 0 ]]; then
+    local_sha=$(git -C "$LAPTOP_HOME" rev-parse HEAD 2>/dev/null)
+    # Behind = local is ancestor of remote and not equal
+    if [[ -n "$local_sha" ]] && git -C "$LAPTOP_HOME" merge-base --is-ancestor HEAD "$remote_sha" 2>/dev/null && [[ "$local_sha" != "$remote_sha" ]]; then
       return 1 # Outdated
     fi
   fi