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Inline the babashka scripts into the justfile   1# The work is here now, in recipe bodies, where it used to be in scripts/ —
2# babashka scripts run through a scripts/bb that went looking for a babashka.
3# That indirection bought one thing worth having, a shared way to reach nix on
4# a host that keeps it in a container, and `nix` below is the whole of it.
One frontend where there were three, and a core that is not Clojure   6# Every recipe that builds has the same shape: outside the dev shell, re-enter
7# it and come back to this same recipe; inside, do the work. The re-entry test
8# is an environment variable only the shell sets — no flag to forget, and no
9# second code path for someone who runs `nix develop --command just ...` by
Take glimmer-vidya from gitlab, so a stranger can build this   11
Write the build in babashka, and pin the babashka   12set shell := ["bash", "-euo", "pipefail", "-c"]
A freeq client in jolt, as glimmer components on Vidya   13
Give the terminal's classpath an nREPL, and hand recipes their arguments   14# Every recipe below is a `#!` script and passes its arguments on with "$@".
15# Without this that is empty in one — just interpolates into a shebang recipe
One frontend where there were three, and a core that is not Clojure   16# rather than handing it argv — and a recipe silently ignored its flags.
Give the terminal's classpath an nREPL, and hand recipes their arguments   17set positional-arguments
Inline the babashka scripts into the justfile   19# nix is not on every host this runs on: on the machine these recipes were
20# written for it lives in an Arch distrobox, at the same path — which is why
21# the container is entered rather than the tree copied into it. See CLAUDE.md.
22nix := `command -v nix >/dev/null 2>&1 && echo nix || echo "distrobox enter arch -- nix"`
24# --max-jobs 0 is what sends the work to the `builders` entry rather than
25# compiling it here. Left to the default, nix prefers the local machine, and a
One frontend where there were three, and a core that is not Clojure   26# cold Flutter toolchain is a lot of compiling on a laptop — for a derivation a
Inline the babashka scripts into the justfile   27# remote builder has likely built already. FRQ_MAX_JOBS=auto is the way out on
28# a machine with no builder configured.
29jobs := env("FRQ_MAX_JOBS", "0")
A freeq client in jolt, as glimmer components on Vidya   31
32    @just --list
Build the APK, out of ClojureDart and Flutter   34# The APK: ClojureDart compiled to Dart, then Flutter's Gradle build.
36# Impure on purpose, and worth saying why rather than leaving it to be
37# discovered. Gradle resolves its own dependencies over the network and
38# installs build-tools and a platform into ANDROID_HOME as it goes, so it
39# cannot run in a sandbox and cannot write to the store. What nix gives here
40# is the toolchain — clojure, a JDK, Flutter, and an SDK composed by
41# androidenv — and the recipe copies that SDK somewhere writable
42# (flutter/.home) for Gradle to finish off. That copy and everything Gradle
43# leaves behind are gitignored.
45# No ndkVersion in android/app/build.gradle.kts, for the same reason: the
46# Flutter template sets it, setting it makes Gradle fetch that exact NDK, and
47# there is no native code here to need one.
49#   just apk                build the debug APK
50#   just apk install        build it and put it on a connected device
51#   just apk run            install and launch
52#   just apk log            logcat, filtered to this app
53apk action="build":
54    #!/usr/bin/env bash
55    set -euo pipefail
56    cd "{{justfile_directory()}}/flutter"
Build the APK from the flake, at the rev flake.lock pins   58    # The flake's, not an --impure --expr against whatever nixos-unstable is
59    # today: the licence config the SDK needs lives in `androidPkgsFor` now,
60    # so this is an ordinary output at the rev flake.lock pins.
61    sdk="$(nix build --no-link --print-out-paths \
62        "{{justfile_directory()}}#android-sdk")/libexec/android-sdk"
Build the APK, out of ClojureDart and Flutter   63
Let adb keep its identity when the APK recipe moves HOME   64    # adb keeps the key the phone has already trusted under the real HOME, and
65    # HOME moves below so Gradle can write into the SDK copy. Told where to
66    # look, adb keeps its identity; left to find $HOME/.android it generates a
67    # new one, the device stops recognising this machine, and the deploy ends
68    # in "no devices/emulators found" while `adb devices` in any other shell
69    # lists it perfectly well.
70    export ANDROID_USER_HOME="${ANDROID_USER_HOME:-$HOME/.android}"
Build the APK, out of ClojureDart and Flutter   72    export HOME="$PWD/.home"
73    export ANDROID_HOME="$HOME/android-sdk"
74    export ANDROID_SDK_ROOT="$ANDROID_HOME"
75    mkdir -p "$HOME"
77    # Gradle writes into ANDROID_HOME, so it is a copy rather than the store
78    # path. Made once and kept: re-copying would throw away the build-tools
79    # and platform Gradle installed into it on the last run.
80    if [ ! -d "$ANDROID_HOME" ]; then
81        cp -r "$sdk" "$ANDROID_HOME"
82        chmod -R u+w "$ANDROID_HOME"
Seed the ClojureDart caches out of the flake   85    # The compile's three caches, same flake-output-and-copy shape as the SDK
86    # and for the same reason: tools.deps and pub both write into theirs, and
87    # the store is read-only. What this buys is the "Resolving dependencies…
88    # Downloading packages…" that used to open every run.
89    deps="$(nix build --no-link --print-out-paths \
90        "{{justfile_directory()}}#cljd-deps")"
92    # Neither of these follows HOME. Both are read off the JVM's user.home,
93    # which comes from /etc/passwd rather than the environment — so moving
94    # HOME below is not enough to move them, and left alone they would be the
95    # real ~/.m2 and ~/.gitlibs, shared with every other project on the box.
96    export GITLIBS="$HOME/gitlibs"
97    m2="$HOME/m2"
98    export PUB_CACHE="$HOME/.pub-cache"
100    # Seeded once each and then left alone, exactly as ANDROID_HOME is: after
101    # the first compile these hold whatever the working tree has asked for
102    # since, and re-copying would throw that away.
103    seed() {
104        [ -e "$2" ] && return 0
105        mkdir -p "$(dirname "$2")"
106        cp -r "$deps/$1" "$2"
107        chmod -R u+w "$2"
109    seed m2 "$m2"
110    seed gitlibs "$GITLIBS"
111    seed pub-cache "$PUB_CACHE"
112    seed clojuredart/cache "$PWD/.clojuredart/cache"
Build the APK from the flake, at the rev flake.lock pins   114    # Also the flake's. `nix shell nixpkgs#...` read the registry, which is a
115    # different and unlocked nixpkgs — the Flutter that built the APK could
116    # move under it without flake.lock changing a line.
117    flutter="nix develop {{justfile_directory()}}#flutter --command"
Build the APK, out of ClojureDart and Flutter   118
Seed the ClojureDart caches out of the flake   119    # cljd-deps ships the analyzer project unresolved — a fixed-output
120    # derivation may not name the store, and a resolved pub project is
121    # nothing but store paths. So it is resolved here instead, offline,
122    # against the cache that derivation did fetch. ClojureDart reaches for the
123    # network only when bin/analyzer.dart is missing, and after this it is not.
124    for helper in .clojuredart/cache/*/cljd_helper; do
125        [ -d "$helper" ] || continue
126        [ -e "$helper/.dart_tool/package_config.json" ] && continue
127        ( cd "$helper" && $flutter flutter pub get --offline )
128
130    $flutter clojure -Sdeps "{:mvn/local-repo \"$m2\"}" -M:cljd compile
Build the APK, out of ClojureDart and Flutter   131
132    # Rewritten every run: it carries absolute store paths, and the flutter
133    # one moves whenever nixpkgs does.
134    $flutter flutter config --android-sdk "$ANDROID_HOME" >/dev/null
136    apk=build/app/outputs/flutter-apk/app-debug.apk
137    adb="${ADB:-$ANDROID_HOME/platform-tools/adb}"
139    case "{{action}}" in
140        build)   $flutter flutter build apk --debug ;;
141        install) $flutter flutter build apk --debug && "$adb" install -r "$apk" ;;
142        run)     $flutter flutter build apk --debug && "$adb" install -r "$apk" \
143                     && "$adb" shell monkey -p uk.nandi.frq -c android.intent.category.LAUNCHER 1 ;;
144        log)     "$adb" logcat -s flutter ;;
145        *)       echo "usage: just apk [build|install|run|log]" >&2; exit 1 ;;
146
One frontend where there were three, and a core that is not Clojure   148# What may appear in common/, checked. Needs nothing built: it reads the
149# source, so it is the one check that runs anywhere, and CI runs exactly this.
Check what common/ may contain, on every push   150check-common:
151    #!/usr/bin/env bash
152    python3 tools/check-common.py common
One frontend where there were three, and a core that is not Clojure   154# The desktop GUI: the same screens the APK paints, on Flutter's Linux target.
Give the terminal's classpath an nREPL, and hand recipes their arguments   155
One frontend where there were three, and a core that is not Clojure   156# This recipe and `just apk` are two targets over one tree, and the split is
157# the one the APK already draws. Everything under `common/` — the screens, the
158# cells, `frq.io` — is shared; what differs is who answers the host. So this
159# is `just apk` with the Android half taken out: the same `clojure -M:cljd compile` over the same flutter/src,
Paint the desktop with Flutter too, beside libcosmic   160# then Flutter's Linux target rather than its Android one. CMake and Ninja
161# instead of Gradle, `flutter/linux/` as the runner, no SDK and no JDK.
163# Still impure, for one of the two reasons `apk` is: pub.dev resolution and
164# Flutter's own engine artifacts are network. What it does NOT need is the
165# writable-ANDROID_HOME dance — nothing here writes into the store — so there
166# is no `flutter/.home` on this path.
One frontend where there were three, and a core that is not Clojure   168# nixGL because Flutter paints through GL, and off NixOS the driver is the
169
Paint the desktop with Flutter too, beside libcosmic   170
171#   just flutter-desktop            build the debug bundle
172#   just flutter-desktop run        build it and open the window
173flutter-desktop action="build":
174    #!/usr/bin/env bash
175    set -euo pipefail
176    cd "{{justfile_directory()}}"
177    if [ -z "${FRQ_FLUTTER_DESKTOP:-}" ]; then
178        exec {{nix}} develop .#flutter-desktop --max-jobs {{jobs}} \
179            --command just flutter-desktop "$@"
181    cd flutter
Seed the ClojureDart caches out of the flake   183    # The same three caches `just apk` seeds, in the same place and out of the
184    # same flake output — one compiler, one set of dependencies, and no reason
185    # for the two frontends to keep a copy each. `.home/` is `apk`'s directory
186    # by name and this is the only thing put there from here, which is the
187    # point: whichever recipe runs first pays for the copy and the other finds
188    # it warm.
190    # No `nix build` here, unlike `apk`: this recipe is already inside the
191    # shell that names FRQ_CLJD_DEPS by the time it gets this far, and `apk`
192    # needs the path before it enters anything.
194    # m2 and gitlibs are set here for the reason they are set there — the JVM
195    # reads user.home out of /etc/passwd, so neither follows HOME and left
196    # alone they are the real ~/.m2 and ~/.gitlibs.
197    export PUB_CACHE="$PWD/.home/.pub-cache"
198    export GITLIBS="$PWD/.home/gitlibs"
199    m2="$PWD/.home/m2"
201    seed() {
202        [ -e "$2" ] && return 0
203        mkdir -p "$(dirname "$2")"
204        cp -r "$FRQ_CLJD_DEPS/$1" "$2"
205        chmod -R u+w "$2"
207    seed m2 "$m2"
208    seed gitlibs "$GITLIBS"
209    seed pub-cache "$PUB_CACHE"
210    seed clojuredart/cache "$PWD/.clojuredart/cache"
212    # Resolved here rather than in cljd-deps, which was not allowed to name
213    # the store — see the same loop in `apk`.
214    for helper in .clojuredart/cache/*/cljd_helper; do
215        [ -d "$helper" ] || continue
216        [ -e "$helper/.dart_tool/package_config.json" ] && continue
217        ( cd "$helper" && flutter pub get --offline )
218
220    clojure -Sdeps "{:mvn/local-repo \"$m2\"}" -M:cljd compile
Paint the desktop with Flutter too, beside libcosmic   221    flutter build linux --debug
223    # x64/arm64 is Flutter's own name for the host arch, not uname's.
224    case "$(uname -m)" in
225        x86_64)  arch=x64 ;;
226        aarch64) arch=arm64 ;;
227        *)       echo "unknown arch $(uname -m)" >&2; exit 1 ;;
228
229    bundle="build/linux/$arch/debug/bundle"
231    case "{{action}}" in
232        build) echo "built $PWD/$bundle/frq" ;;
233        run)
234            runner=()
235            [ -e /run/current-system ] || runner=("$NIXGL")
236            exec "${runner[@]}" "$bundle/frq"
238        *) echo "usage: just flutter-desktop [build|run]" >&2; exit 1 ;;
239
A shell that is already the devShell, and two recipes to reach it   240
A third target, and the seam that was already waiting for it   241# The third frontend: the same screens again, compiled to JavaScript.
243# `flutter-desktop` with the Linux half taken out. One `clojure -M:cljd
244# compile` over the same flutter/src and common/, then Flutter's web target
245# instead of its Linux one — dart2js instead of CMake and Ninja, and a
246# directory of static files instead of a bundle with an executable in it.
Three tarballs where a devShell was   248# And the one target with no nix in it. The other two need the host: a JDK
249# and the Android SDK for `apk`, GTK and a C++ toolchain and nixGL for
250# `flutter-desktop`. This one needs a Dart, a JVM and a browser, and the
251# browser is not ours — so `tools/toolchain.sh` fetches the first two as
252# pinned tarballs into `.toolchain/` and there is nothing left for a devShell
253# to supply. That is what lets the container in `.modal/flutter-web/` drop
254# its image build too: same script, same three pins, no store to populate.
256# Impure for the reason the other two are: pub.dev resolution and Flutter's
257# engine artifacts are network, and now the toolchain is as well — pinned by
258# sha256, which is the reproducibility that was worth having out of the store.
A third target, and the seam that was already waiting for it   259
260# The entry point is `frq.main-web`, not `frq.main`: path_provider has no web
261# implementation, so the `getApplicationSupportDirectory` that `frq.main`
262# awaits throws MissingPluginException before any widget is built. The web
263# entry installs `frq.io.web` — localStorage behind the same seam — and awaits
264# nothing. `frq.net.dart` is still the socket half, so connecting will want a
265# WebSocket before this does more than paint.
Three tarballs where a devShell was   267# One build and no `--debug` variant, because there is nothing to gain from
268# one: dart2js at -O1 measured 52.5s against the release build's 49.8s on the
269# same source change here, so a second, larger bundle would buy noise. See
270# `tools/build-web.sh`, which writes the numbers down.
A third target, and the seam that was already waiting for it   272#   just flutter-web                build build/web
273#   just flutter-web serve          build it and serve it on $PORT (8080)
Three tarballs where a devShell was   274#   just flutter-web serve 3000     ...on another port
A third target, and the seam that was already waiting for it   275flutter-web action="build" port="8080":
276    #!/usr/bin/env bash
277    set -euo pipefail
Three tarballs where a devShell was   278    # A wrapper and nothing else. The build is a shell script because the
279    # container runs it too, and a container that had to install `just` to
280    # start would be one dependency away from the point.
281    exec "{{justfile_directory()}}/tools/build-web.sh" {{action}} {{port}}
A third target, and the seam that was already waiting for it   282
A shell that is already the devShell, and two recipes to reach it   283# The containers in `.modal/`, run on Modal rather than here. This machine
284# evaluates and Modal builds — see CLAUDE.md, which says so rather more
285# firmly — and these two recipes are the whole interface to that.
One frontend where there were three, and a core that is not Clojure   287# Named for where the work happens, the way `flutter-desktop` is named for
288# what paints: there is no re-entry test here because nothing
A Mesa nobody needed, and the AppImage that carried it   289# re-enters. There is no `nix` variable either, and that used to be because
One frontend where there were three, and a core that is not Clojure   290# nix ran out there — now it is because neither of these containers has any
291# nix in it at all.
A shell that is already the devShell, and two recipes to reach it   292
293#   just modal flutter-dev         the incremental Flutter loop
One frontend where there were three, and a core that is not Clojure   294#   just modal flutter-web         the web bundle
295modal container="flutter-dev" *args:
A shell that is already the devShell, and two recipes to reach it   296    #!/usr/bin/env bash
297    set -euo pipefail
298    cd "{{justfile_directory()}}"
299
300    exec modal run ".modal/{{container}}/container.py" "$@"
A third target, and the seam that was already waiting for it   302# The Modal-built web bundle, served from this machine on localhost.
304# Not a local build: `modal volume get` pulls what `just modal flutter-web`
305# already compiled out of the devshell volume, so this needs no Flutter, no
306# Dart and no nix — only python, which the flake shell has and so does the
307
309# It exists for one reason, and the reason is the auth broker rather than
310# convenience. freeq's broker finishes an OAuth login by redirecting the
311# browser to `return_to`, and it will only redirect to an origin on its
312# allowlist: its own https hosts, and `http://localhost` or `http://127.0.0.1`
313# on ANY port. A build served from anywhere else — the Modal URL included —
314# gets `400 Invalid return_to URL` and can never complete a Bluesky sign-in,
315# no matter what the client does. localhost is the one allowlisted origin we
316# can serve from, so this is how Bluesky sign-in is tested.
318# Guest and app-password sign-in need none of this; they work on the deployed
319# URL, because neither goes near the broker.
321#   just web-local             fetch and serve on :8080
322#   just web-local 3000        another port; any port is allowlisted
323web-local port="8080":
324    #!/usr/bin/env bash
325    set -euo pipefail
326    cd "{{justfile_directory()}}"
327    out="{{justfile_directory()}}/.web-local"
328    mkdir -p "$out"
329    echo "fetching the Modal-built bundle…"
330    # --force: this is a mirror of the volume, and a stale file left behind
331    # would be served in preference to the one just built.
332    modal volume get --force devshell frq-flutter-web/flutter/build/web "$out"
333
334    echo "  http://localhost:{{port}}"
335
336    echo "Bluesky sign-in works here and not on the Modal URL: the broker"
337    echo "allowlists localhost on any port. Put wss://irc.freeq.at/irc in the"
338    echo "Server field — a browser has no TCP."
339    exec python3 -m http.server {{port}} --bind 127.0.0.1 --directory "$out/web"
A shell that is already the devShell, and two recipes to reach it   341# A sandbox left running with the container's own image, volumes and
342# environment, and the command to get into it. `modal shell --image` cannot
343# be pointed at a published Modal image like arch-nix, so attaching to a
344# running sandbox is the only way to get a shell that is the container.
346# It blocks: an ephemeral app stops when its entrypoint returns and takes the
347# sandbox with it. Attach from a second terminal, and Ctrl-C here when done —
348# the sandbox bills until you do.
350#   just modal-shell               flutter-dev, the usual one
One frontend where there were three, and a core that is not Clojure   351#   just modal-shell flutter-web   the web bundle container
A shell that is already the devShell, and two recipes to reach it   352modal-shell container="flutter-dev":
353    #!/usr/bin/env bash
354    set -euo pipefail
355    cd "{{justfile_directory()}}"
356    exec modal run ".modal/{{container}}/container.py" --shell
One frontend where there were three, and a core that is not Clojure   357
358# The Nim core's test suite.
360# It needs no Flutter, no Dart and no Android SDK — which is the point of
361# having the logic here rather than under `common/`: a rule about the IRC wire
362# format can be checked in a second, on any machine, without a toolchain that
363# takes minutes to enter.
365#   just nim-test               the whole suite
366#   just nim-test tircparse     one file
367nim-test file="":
368    #!/usr/bin/env bash
369    set -euo pipefail
370    cd "{{justfile_directory()}}"
371    if [ -z "${FRQ_NIM:-}" ]; then
372        exec {{nix}} develop .#nim --max-jobs {{jobs}} --command just nim-test "$@"
374
375    if [ -n "{{file}}" ]; then
376        exec nim c -r --hints:off --path:src "tests/{{file}}.nim"
378    for t in tests/t*.nim; do
379        echo "== $t"
380        nim c -r --hints:off --path:src "$t"
381
383# The Nim core as a shared library, into build/nim.
The renderer, and a transport bug that took four tries   385# `--mm:orc` and not refc, and it is not a preference: refc gives each thread
386# its own GC heap, so the Socket the reader and writer threads share is a ref
387# from another heap and dereferencing it segfaults. ORC's heap is shared.
One frontend where there were three, and a core that is not Clojure   388
389# `-d:release` and not `-d:danger`: the bounds checks are what turn a
390# malformed line off a socket into an exception instead of a read past the end
391# of a buffer, and this parses exactly that.
392
393    #!/usr/bin/env bash
394    set -euo pipefail
395    cd "{{justfile_directory()}}"
396    if [ -z "${FRQ_NIM:-}" ]; then
397        exec {{nix}} develop .#nim --max-jobs {{jobs}} --command just nim-lib
399    out="{{justfile_directory()}}/build/nim"
400    mkdir -p "$out"
401
402    nim c --app:lib --mm:orc -d:release --hints:off \
403        --path:src --out:"$out/libfrqcore.so" src/frq_core.nim
404    echo "built $out/libfrqcore.so"
405    nm -D --defined-only "$out/libfrqcore.so" | grep ' T frq_' || true
The binding is Dart, and it works   406
407# The Dart side of the Nim boundary, on the plain Dart VM.
409# No Flutter, no emulator, no ClojureDart — `dart/frq_core` is ordinary Dart
410# over `dart:ffi` and is not a Flutter package, so the test that proves the
411# marshalling runs in a second. Passing `just nim-test` and failing this one is a
412# marshalling bug, which is the whole reason the two suites are separate.
414# Builds the library first: the test dlopens a real .so and there is no point
415# reporting that it could not find one.
416
417    #!/usr/bin/env bash
418    set -euo pipefail
419    cd "{{justfile_directory()}}"
420    if [ -z "${FRQ_DART:-}" ]; then
421        # nim-lib before the re-entry, not after: it enters a shell of its own
422        # and doing it on the far side would build the library twice.
423        just nim-lib
424        exec {{nix}} develop .#dart --max-jobs {{jobs}} --command just dart-test
426    cd dart/frq_core
427    dart pub get
428    dart test -r expanded
Nim owns the screen, Dart owns the pixels   429
The renderer, and a transport bug that took four tries   430# The whole Nim stack against a real freeq: socket, state and screens.
432# Connects, waits for the room list, opens a room and prints what the tree
433# actually contains — through the FFI, so it is the path the window uses.
434# Not in any suite: it needs a network and a running freeq.
435nim-live *args:
436    #!/usr/bin/env bash
437    set -euo pipefail
438    cd "{{justfile_directory()}}"
439    if [ -z "${FRQ_DART:-}" ]; then
440        just nim-lib
441        exec {{nix}} develop .#dart --max-jobs {{jobs}} --command just nim-live "$@"
443    shift || true
444    cd dart/frq_core
445    dart pub get >/dev/null
446    exec dart run tool/live_ui.dart "$@"
448# frq with Nim owning the state and the screens, rendered by Flutter.
450# No ClojureDart on this path. `lib/main_nim.dart` asks the Nim core for a
451# widget tree and paints it; the screens are ports of `common/frq/screens/`.
453#   just nim-ui             build it
454#   just nim-ui run         open the window
455nim-ui action="build":
456    #!/usr/bin/env bash
457    set -euo pipefail
458    cd "{{justfile_directory()}}"
459    if [ -z "${FRQ_FLUTTER_DESKTOP:-}" ]; then
460        just nim-lib
461        exec {{nix}} develop .#flutter-desktop --max-jobs {{jobs}} \
462            --command just nim-ui "$@"
464    cd flutter
465    flutter pub get
466    export LD_LIBRARY_PATH="${FRQ_OPENSSL_LIB:-}${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}"
467    runner=()
468    [ -e /run/current-system ] || runner=("$NIXGL")
469    case "{{action}}" in
470        build) exec "${runner[@]}" flutter build linux --debug -t lib/main_nim.dart ;;
471        run)   exec "${runner[@]}" flutter run -d linux -t lib/main_nim.dart ;;
472        *)     echo "usage: just nim-ui [build|run]" >&2; exit 1 ;;
473
475# The ClojureDart app, with the Nim core as its transport only.
Nim under the existing UI, not instead of it   476
477# This is the wiring that matters: `frq.main-nim` is `frq.main` with one line
478# changed — `frq.net.nim/install!` where it says `frq.net.dart/install!`. Every
479# screen, every cell and every action is the one that was already there. Nim
480# owns the socket, the TLS and the line framing, and nothing else.
482#   just nim-app            build it
483#   just nim-app run        open the window
484nim-app action="build":
485    #!/usr/bin/env bash
486    set -euo pipefail
487    cd "{{justfile_directory()}}"
488    if [ -z "${FRQ_FLUTTER_DESKTOP:-}" ]; then
489        just nim-lib
490        exec {{nix}} develop .#flutter-desktop --max-jobs {{jobs}} \
491            --command just nim-app "$@"
493    cd flutter
494    flutter pub get
495    export LD_LIBRARY_PATH="${FRQ_OPENSSL_LIB:-}${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}"
496    clojure -M:cljd compile frq.main-nim
497    runner=()
498    [ -e /run/current-system ] || runner=("$NIXGL")
499    case "{{action}}" in
500        build) exec "${runner[@]}" flutter build linux --debug -t lib/main_nim_app.dart ;;
501        run)   exec "${runner[@]}" flutter run -d linux -t lib/main_nim_app.dart ;;
502        *)     echo "usage: just nim-app [build|run]" >&2; exit 1 ;;
503