diff --git a/src/git_update.sh b/src/git_update.sh
new file mode 100755
index 0000000..7781165
--- /dev/null
+++ b/src/git_update.sh
@@ -0,0 +1,107 @@
+#!/bin/bash
+
+# Clone un dépôt git au bon endroit
+# Stocker un minum de données (et donc nettoyer)
+# Télécharger un minimum de données
+# En cas de conflit donner raison au remote (on écrase les versions locales)
+
+
+declare -A usage
+declare -A varia
+
+summary="$0 [options] <repo>"
+
+usage[b]="Branch of git repo"
+varia[b]=branch
+branch=master
+
+usage[t]="Tog of git repo"
+varia[t]=tag
+tag=
+
+usage[d]="Destination of clone"
+varia[d]=dst
+dst='.'
+
+usage[i]="privkey used to ssh pull"
+varia[i]=privkey
+privkey=''
+
+usage[N]="Clone to a Non-empty target. Existing files will be overwriten"
+varia[N]=nonempty_target
+nonempty_target=false
+
+usage[K]="Remote host key file (known_hosts) for ssh connections"
+varia[K]=hostkeyfile
+hostkeyfile=''
+
+usage[H]="Use real home dir"
+varia[H]=use_home
+use_home=false
+
+
+. driglibash-args
+
+
+# Some SSH options
+ssh_opt='ssh'
+if [ -n "$privkey" ] ; then
+	ssh_opt="$ssh_opt -i $privkey"
+fi
+
+if [ -n "$hostkeyfile" ] ; then
+	ssh_opt="$ssh_opt -o 'UserKnownHostsFile $hostkeyfile'"
+fi
+
+repo="$1"
+if [ -z "$repo" ] ; then
+	die "$0: Empty repo given\n$summary"
+fi
+
+if [ ! $use_home ] ; then
+	set -a
+	export HOME=/dev/null
+	set +a
+fi
+
+run mkdir -p "$dst"
+run cd "$dst"
+
+
+if [ -d .git ] ; then
+
+	# Compute git branch and tag
+	tagref=
+    if [ -n "$tag" ] ; then
+        tagref="tags/$tag"
+    fi
+
+	run git fetch origin "$branch" --tags -f
+	run git checkout --force $tagref "origin/$branch"
+    run git reset --hard # TODO we can keep some files?
+	# Preserve existing files in some cases
+	if ! "$nonempty_target" ; then
+		git clean -qffdx
+	fi
+	run git submodule update --init --recursive --force --recommend-shallow
+	run git submodule foreach git fetch
+	run git submodule foreach git checkout --force HEAD
+	run git submodule foreach git reset --hard
+	run git submodule foreach git clean -fdx
+else
+	clone_dst='.'
+
+	# To override an existing dir, we need to clone elsewhere first
+	if "$nonempty_target" ; then
+		clone_dst="$(mktemp -d)"
+	fi
+
+    run git clone -b "$branch" --single-branch --recurse-submodules --shallow-submodules --depth 1 --config core.sshCommand="$ssh_opt" "$repo" "$clone_dst"
+
+	# To override an existing dir, we then move everything to that dir
+	if "$nonempty_target" ; then
+		run mv "$clone_dst/"{*,.*} .
+		run rmdir "$clone_dst"
+	fi
+fi
+
diff --git a/src/pre-push b/src/pre-push
new file mode 100755
index 0000000..de70fc2
--- /dev/null
+++ b/src/pre-push
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+# Get package version
+# TODO Add some well-known version provider mechanisms
+version=""
+[ -f package.json ] && version=$(npm pkg get version | tr -d '\"')
+[ -f version ] && version=$(cat version)
+[ -f VERSION ] && version=$(cat VERSION)
+
+# Create semver tags
+git tag -f v${version%.*.*}
+git tag -f v${version%.*}
+git tag -f v$version
+
+# Push the tags
+git push --no-verify --tags -f