Track last build rev per package, not per project.

satellites/functions/vcs/git.sh

@@ -9,9 +9,10 @@ vcs_git() {
 _hook_git() {
     cd "$dir_source/$name/vcs"
 
-    git remote update
-    if [ "$(git rev-parse @)" != "$(git rev-parse @{u})" ]; then
-        git pull
+    git pull > /dev/null
+    _func_rev="$(git rev-parse @)"
+    if [ "$_func_rev" != "$(cat "$dir_source/$name/vcs_rev_$_satname" 2> /dev/null || true)" ]; then
+        echo "$_func_rev" > "$dir_source/$name/vcs_rev_$_satname"
         vcs_compile=true
     fi
     version="$(git rev-list HEAD --count)_$(git rev-parse --short HEAD)"