Flatten Justfile commands

Justfile

@@ -1,8 +1,59 @@
 set shell := ["bash", "-cu"]
 
-mod bin "Commands/Bin"
+project_root := justfile_directory()
-mod lang "Commands/Lang"
+scripts_dir := project_root + "/Scripts"
-mod setup "Commands/Setup"
+bin_script_dir := scripts_dir + "/bin"
 
 help:
-    just --list --list-submodules
+    @printf '%s\n' \
+      'Dot-Zsh commands:' \
+      '' \
+      '  just setup all           # full setup flow' \
+      '  just setup base          # base layer only' \
+      '  just setup stow          # stow Zsh files into $HOME' \
+      '  just setup clean         # remove stowed Zsh files from $HOME' \
+      '  just setup update        # git pull + full setup' \
+      '' \
+      '  just lang node           # install Node tooling' \
+      '  just lang go             # install Go tooling' \
+      '  just lang rust           # install Rust tooling' \
+      '  just lang python         # install Python tooling' \
+      '  just lang r              # install R tooling' \
+      '  just lang cpp            # install C/C++ tooling' \
+      '' \
+      '  just bin install-all     # install all pinned binaries' \
+      '  just bin install nvim    # install one pinned binary' \
+      '  just bin update nvim     # update pinned version for a binary' \
+      '  just bin list nvim       # list available releases' \
+      '  just bin show            # print current pinned versions'
+
+setup action='all':
+    case '{{action}}' in \
+        all) bash '{{scripts_dir}}/setup.sh' ;; \
+        base) bash '{{scripts_dir}}/base.sh' ;; \
+        stow) bash '{{scripts_dir}}/setup.sh' --stow-only ;; \
+        clean) stow --dir='{{project_root}}' -D Zsh --target="$HOME" ;; \
+        update) git -C '{{project_root}}' pull origin main && just --justfile '{{project_root}}/Justfile' setup all ;; \
+        *) printf 'Unknown setup action: %s\n' '{{action}}' >&2; exit 1 ;; \
+    esac
+
+lang tool:
+    case '{{tool}}' in \
+        node) bash '{{scripts_dir}}/node.sh' ;; \
+        go) bash '{{scripts_dir}}/go.sh' ;; \
+        rust) bash '{{scripts_dir}}/rust.sh' ;; \
+        python) bash '{{scripts_dir}}/python.sh' ;; \
+        r) bash '{{scripts_dir}}/r.sh' ;; \
+        cpp) bash '{{scripts_dir}}/cpp.sh' ;; \
+        *) printf 'Unknown language target: %s\n' '{{tool}}' >&2; exit 1 ;; \
+    esac
+
+bin action='show' tool='' version='':
+    case '{{action}}' in \
+        install-all) bash '{{bin_script_dir}}/install.sh' --all ;; \
+        install) [ -n '{{tool}}' ] || { printf 'bin install requires a tool name\n' >&2; exit 1; }; bash '{{bin_script_dir}}/install.sh' '{{tool}}' ;; \
+        update) [ -n '{{tool}}' ] || { printf 'bin update requires a tool name\n' >&2; exit 1; }; bash '{{bin_script_dir}}/update.sh' '{{tool}}' '{{version}}' ;; \
+        list) [ -n '{{tool}}' ] || { printf 'bin list requires a tool name\n' >&2; exit 1; }; bash '{{bin_script_dir}}/update.sh' --list '{{tool}}' ;; \
+        show) cat '{{project_root}}/Bins/versions.json' ;; \
+        *) printf 'Unknown bin action: %s\n' '{{action}}' >&2; exit 1 ;; \
+    esac