$ pwd
/Users/teodorlu/repo/babashka/bbin
$ # in bbin repo
$ cat README.md | grep -A 5 "development version"
-To install a development version of bbin, first install bbin stable, then install bbin with bbin.

```
$ bbin install . --as bbin-dev --main-opts '["-m" babashka.bbin.cli/-main]'
```

$ bbin install . --as bbin-dev --main-opts '["-m" babashka.bbin.cli/-main]'

Starting install...

bin       location
────────  ─────────────────────────────────────────
bbin-dev  file:///Users/teodorlu/repo/babashka/bbin

Install complete.

$ bbin-dev --version
----- Error --------------------------------------------------------------------
Type:     clojure.lang.ExceptionInfo
Message:  Unable to resolve symbol: babashka.bbin.cli/-main
Data:     {:type :sci/error, :line 14, :column 1, :file "/Users/teodorlu/.local/bin/bbin-dev", :phase "analysis"}
Location: /Users/teodorlu/.local/bin/bbin-dev:14:1
Phase:    analysis

----- Context ------------------------------------------------------------------
10:          '[babashka.fs :as fs]
11:          '[clojure.string :as str])
12:
13: (def script-root "/Users/teodorlu/repo/babashka/bbin")
14: (def script-main-opts ["-m" babashka.bbin.cli/-main])
    ^--- Unable to resolve symbol: babashka.bbin.cli/-main
15:
16: (def tmp-edn
17:   (doto (fs/file (fs/temp-dir) (str (gensym "bbin")))
18:     (spit (str "{:deps {local/deps {:local/root " (pr-str script-root) "}}}"))
19:     (fs/delete-on-exit)))

----- Stack trace --------------------------------------------------------------
user - /Users/teodorlu/.local/bin/bbin-dev:14:1