Add git cloner script

scripts/git_cloner.sh

@@ -0,0 +1,58 @@
+## clone git repos
+## supports both github and gitlab
+## supports using a personal access token to run git pull
+
+apt update
+apt install -y git curl jq file unzip
+
+mkdir -p /mnt/server
+cd /mnt/server
+
+if [ "${USER_UPLOAD}" == "true" ] || [ "${USER_UPLOAD}" == "1" ]; then
+    echo -e "assuming user knows what they are doing have a good day."
+    exit 0
+fi
+
+## add git ending if it's not on the address
+if [[ ${GIT_ADDRESS} != *.git ]]; then
+    GIT_ADDRESS=${GIT_ADDRESS}.git
+fi
+
+if [ -z "${USERNAME}" ] && [ -z "${ACCESS_TOKEN}" ]; then
+    echo -e "using anon api call"
+else
+    GIT_ADDRESS="https://${USERNAME}:${ACCESS_TOKEN}@$(echo -e ${GIT_ADDRESS} | cut -d/ -f3-)"
+fi
+
+## pull git js bot repo
+if [[ ! "${USERNAME}" == "" ]]; then
+    if [ "$(ls -A /mnt/server)" ]; then
+        echo -e "/mnt/server directory is not empty."
+        if [ -d .git ]; then
+            echo -e ".git directory exists"
+            if [ -f .git/config ]; then
+                echo -e "loading info from git config"
+                ORIGIN=$(git config --get remote.origin.url)
+            else
+                echo -e "files found with no git config"
+                echo -e "closing out without touching things to not break anything"
+                exit 10
+            fi
+        fi
+
+        if [ "${ORIGIN}" == "${GIT_ADDRESS}" ]; then
+            echo "pulling latest from github"
+            git pull
+        fi
+    else
+        echo -e "/mnt/server is empty.\ncloning files into repo"
+        if [ -z ${BRANCH} ]; then
+            echo -e "cloning default branch"
+            git clone ${GIT_ADDRESS} .
+        else
+            echo -e "cloning ${BRANCH}'"
+            git clone --single-branch --branch ${BRANCH} ${GIT_ADDRESS} .
+        fi
+
+    fi
+fi