🚸 improve support for running ugit via docker (#68)

- dont update ugit inside docker
- instead of opening browser print the guide url

ugit

@@ -449,6 +449,12 @@ get_changelog() {
 }
 
 ugit_update() {
+    if [ -n "${UGIT_RUNNING_IN_DOCKER-}" ] && [ "$UGIT_RUNNING_IN_DOCKER" = true ]; then
+        printf "%s\n\n" "You are running version ${VERSION} of ugit via Docker. Please pull the latest docker image to update."
+        printf "\t%s\n" "${BOLD_ORG_FG}docker pull bhupeshimself/ugit${RESET}"
+        return
+    fi
+
     printf "%s\n" "Checking for updates ..."
     curl -s -L "$SCRIPT_URL" > "$TMP_FILE"
     NEW_VER=$(grep "^VERSION" "$TMP_FILE" | awk -F'[="]' '{print $3}')
@@ -468,7 +474,12 @@ ugit_update() {
 }
 
 open_guide() {
-    GUIDE="https://bhupesh.gitbook.io/notes/git/how-to-undo-anything-in-git"
+    GUIDE="https://til.bhupesh.me/git/how-to-undo-anything-in-git"
+
+    if [ -n "${UGIT_RUNNING_IN_DOCKER-}" ] && [ "$UGIT_RUNNING_IN_DOCKER" = true ]; then
+        printf "%s\n" "You can find how ugit does its magic at: ${BOLD_ORG_FG}${GUIDE}${RESET}"
+        return
+    fi
 
     case "$OSTYPE" in
         darwin*)