diff --git a/ardumont/sync-mirror-to-github.sh b/ardumont/sync-mirror-to-github.sh
new file mode 100755
index 0000000..673bc89
--- /dev/null
+++ b/ardumont/sync-mirror-to-github.sh
@@ -0,0 +1,104 @@
+#!/bin/bash
+
+GHB_API_TOKEN_FILE=$HOME/.config/swh/github-token
+FORGE_API_TOKEN_FILE=$HOME/.config/swh/forge-token
+
+[ ! -f "$GHB_API_TOKEN_FILE" ] && cat << EOF && exit 1
+Install the github api's token in $GHB_API_TOKEN_FILE.
+It must have the scope public_repo.
+You must be associated to https://github.com/softwareheritage organization.
+Once the installation is done, you can trigger this script again.
+EOF
+
+[ ! -f "$FORGE_API_TOKEN_FILE" ] && cat << EOF && exit 1
+Install the github api's token in $FORGE_API_TOKEN_FILE.
+Once the installation is done, you can trigger this script again.
+EOF
+
+[[ ( $# -lt 4 ) ]] && cat << EOF && exit 1
+Use: $0 <FORGE_REPO_CALLSIGN> <FORGE_REPO_NAME> <FORGE_REPO_URL> <FORGE_REPO_DESCRIPTION>
+FORGE_REPO_CALLSIGN      Repository's callsign (we will deduce the phid from it)
+FORGE_REPO_NAME          Repository's name (we will use it for github name)
+FORGE_REPO_URL           Repository's forge url
+FORGE_REPO_DESCRIPTION   Repository's forge description
+
+Example:
+sync-mirror-to-github.sh swh-indexer https://forge.softwareheritage.org/source/swh-indexer.git "Software Heritage content (as in "blob") indexers"
+
+EOF
+
+FORGE_REPO_CALLSIGN=$1
+FORGE_REPO_NAME=$2
+FORGE_REPO_URL=$3
+FORGE_REPO_DESCRIPTION=$4
+TRYOUT=$5
+
+#### Retrieve phabricator information
+
+FORGE_API_TOKEN=$(cat $FORGE_API_TOKEN_FILE)
+
+# Retrieve the repository's phid
+FORGE_REPO_PHID=$(curl -d api.token=$FORGE_API_TOKEN \
+                       -d "constraints[callsigns][0]=$FORGE_REPO_CALLSIGN" \
+                       https://forge.softwareheritage.org/api/diffusion.repository.search 2>/dev/null \
+                       jq '.result.data[].phid')
+
+echo $FORGE_REPO_PHID
+
+#### Create the repository in github
+
+GHB_USER_TOKEN=$(cat $GHB_API_TOKEN_FILE)
+
+if [ ! -z "$TRYOUT"]; then
+
+    TMP_FILE=$(mktemp)
+    cat <<EOF > $TMP_FILE
+{
+  "name": "$FORGE_REPO_NAME",
+  "description": "$FORGE_REPO_DESCRIPTION",
+  "homepage": "$FORGE_REPO_URL",
+  "private": false,
+  "has_issues": false,
+  "has_wiki": false,
+  "has_downloads": true
+}
+EOF
+
+    # Create the repository in github
+    curl -H "Authorization: token $GHB_USER_TOKEN" \
+         -X POST \
+         -d @${TMP_FILE} \
+         https://api.github.com/v3/orgs/SoftwareHeritage/repos
+
+    # clean up
+    [ -f $TMP_FILE ] && rm $TMP_FILE
+
+fi
+
+#### phabricator
+
+GITHUB_REPOSITORY_URI=git@github.com:SoftwareHeritage/$FORGE_REPO_NAME.git
+
+K2_PHID=$(curl -d "api.token=$FORGE_API_TOKEN" \
+               -d 'ids[0]=2' \
+               https://forge.softwareheritage.org/api/passphrase.query \
+               2>/dev/null \
+              | jq '.result.data[].phid')
+
+echo $K2_PHID
+
+
+if [ ! -z "$TRYOUT" ]; then
+    curl https://forge.softwareheritage.org/api/diffusion.uri.edit \
+         -d api.token=$FORGE_API_TOKEN \
+         -d transactions[0][type]=repository \
+         -d transactions[0][value]=$FORGE_REPO_PHID \
+         -d transactions[1][type]=uri \
+         -d transactions[1][value]=$GITHUB_REPOSITORY_URI \
+         -d transactions[2][type]=io \
+         -d transactions[2][value]=mirror \
+         -d transactions[3][type]=display \
+         -d transactions[3][value]=never \
+         -d transactions[4][type]=credential \
+         -d transactions[4][value]=$K2_PHID
+fi