diff --git a/CHANGES.txt b/CHANGES.txt
index cba4985..fe93949 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,3 +1,10 @@
+## Version 1.11.0 du 22/05/2015-11:41
+
+2984052 Intégration de la branche quiet-completion
+755cfa7 ne pas afficher les erreurs pour les fonctions de complétion de git
+2b5eb2a Intégration de la branche pu
+b004730 uproject update fait fetch puis merge, manuellement
+
 ## Version 1.10.0 du 20/05/2015-12:08
 
 bf1d86a Intégration de la branche pu-auto-forward
diff --git a/VERSION.txt b/VERSION.txt
index 81c871d..1cac385 100644
--- a/VERSION.txt
+++ b/VERSION.txt
@@ -1 +1 @@
-1.10.0
+1.11.0
diff --git a/lib/completion.d/ptools b/lib/completion.d/ptools
index 085c636..85bf02d 100644
--- a/lib/completion.d/ptools
+++ b/lib/completion.d/ptools
@@ -3,8 +3,8 @@
 function __pdev_branches() {
     local prefix=origin/
     {
-        git for-each-ref refs/heads/ --format='%(refname:short)'
-        git for-each-ref "refs/remotes/$prefix" --format='%(refname:short)' | grep -F "$prefix" | cut -c $((${#prefix} + 1))-
+        git for-each-ref refs/heads/ --format='%(refname:short)' 2>/dev/null
+        git for-each-ref "refs/remotes/$prefix" --format='%(refname:short)' 2>/dev/null | grep -F "$prefix" | cut -c $((${#prefix} + 1))-
     } | LANG=C sort -u |
     grep -vF HEAD |
     grep -vF master |
@@ -12,6 +12,6 @@ function __pdev_branches() {
     grep -v '^hotfix-'
 }
 function __prel_branches() {
-    git for-each-ref --format='%(refname:short)' refs/heads |
+    git for-each-ref --format='%(refname:short)' refs/heads 2>/dev/null |
     grep -E '^(master$|release-)'
 }
diff --git a/lib/ulib/vcs b/lib/ulib/vcs
index 79cbad9..9e7ccd0 100644
--- a/lib/ulib/vcs
+++ b/lib/ulib/vcs
@@ -451,26 +451,42 @@ function git_update() {
         return 1
     }
 
-    git pull "$@" || return
-    if [ -n "$autoff" ]; then
-        local orig_branch restore_branch rbranch
-        local -a branches
-        git_check_cleancheckout || return 0
-        orig_branch="$(git_get_branch)"
-        array_from_lines branches "$(git_list_branches)"
-        for branch in "${branches[@]}"; do
-            remote="$(git_get_branch_remote "$branch")"
-            rbranch="$(git_get_branch_rbranch "$branch" "$remote")"
-            [ -n "$remote" -a -n "$rbranch" ] || continue
+    if [ -z "$autoff" ]; then
+        git pull "$@"
+        return $?
+    fi
+
+    local orig_branch restore_branch remote rbranch pbranch
+    local -a branches
+
+    git fetch -p "$@" || return
+
+    git_check_cleancheckout || return 0
+    orig_branch="$(git_get_branch)"
+    array_from_lines branches "$(git_list_branches)"
+    for branch in "${branches[@]}"; do
+        remote="$(git_get_branch_remote "$branch")"
+        rbranch="$(git_get_branch_rbranch "$branch" "$remote")"
+        pbranch="${rbranch#refs/remotes/}"
+        [ -n "$remote" -a -n "$rbranch" ] || continue
+        if git_is_ancestor "$branch" "$rbranch"; then
             if git_should_ff "$branch" "$rbranch"; then
-                echo "Fast-forwarding $branch..."
+                echo "* Fast-forwarding $branch -> $pbranch"
                 git checkout -q "$branch"
                 git merge -q --ff-only "$rbranch"
                 restore_branch=1
             fi
-        done
-        [ -n "$restore_branch" ] && git checkout -q "$orig_branch"
-    fi
+        else
+            if [ "$branch" == "$orig_branch" ]; then
+                echo "* Cannot fast-forward CURRENT branch $branch from $pbranch
+Try to merge manually with: git merge $pbranch"
+            else
+                echo "* Cannot fast-forward local branch $branch from $pbranch
+You can merge manually with: git checkout $branch; git merge $pbranch"
+            fi
+        fi
+    done
+    [ -n "$restore_branch" ] && git checkout -q "$orig_branch"
     return 0
 }
 function git_push() {