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cli: babashka-style flags (--version, --eval, --main, nrepl-server)

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Add --version/version, -e/--eval, -f/--file, -m/--main (require NS and apply
its -main to *command-line-args*), and nrepl-server/--nrepl-server taking an
optional [host:]port (nrepl stays an alias). repl/help/-h round it out.

Also rewrite doc/tools-deps.md as design notes for the now-implemented deps
support (it still read as pre-implementation research), and note the new flags
in the README. Test: cli-test runs the flags from source.
This commit is contained in:
Yogthos 2026-06-05 23:20:29 -04:00
parent f5205e8c0b
commit ed9d5fc998
4 changed files with 160 additions and 139 deletions
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16
README.md
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@ -21,10 +21,13 @@ Clojure libraries from a `deps.edn` with the `jolt-deps` tool.
## Run
```
build/jolt # start a REPL
build/jolt file.clj [args] # run a file (binds *command-line-args* and *file*)
build/jolt -e EXPR [args] # evaluate EXPR and print the result
build/jolt -h # help
build/jolt # start a REPL
build/jolt file.clj [args] # run a file (binds *command-line-args* and *file*)
build/jolt -e EXPR [args] # evaluate EXPR and print the result
build/jolt -m NS [args] # require NS and call its -main
build/jolt nrepl-server [addr] # start an nREPL server ([host:]port, default 7888)
build/jolt --version # print the version
build/jolt -h | --help # help
```
The REPL accumulates multi-line forms until they balance:
@ -152,8 +155,9 @@ written in Clojure on top of the `janet.net/*` bridge. Start a server from the
CLI — it writes `.nrepl-port` so editors (CIDER, Calva, …) auto-connect:
```bash
jolt nrepl # listen on 127.0.0.1:7888, write .nrepl-port
jolt nrepl 12345 # choose a port
jolt nrepl-server # listen on 127.0.0.1:7888, write .nrepl-port
jolt nrepl-server 12345 # choose a port
jolt nrepl-server 0.0.0.0:12345 # choose host and port (alias: nrepl)
```
Supported ops: `clone`, `describe`, `eval`, `load-file`, `close`, `ls-sessions`,