Support multiple targets in repl

Also fixed a bug where the json failed to parse correctly.

1 files changed, 17 insertions, 19 deletions

diff --git a/Biz/Ide/repl b/Biz/Ide/repl
index 836bed9..0a6815f 100755
--- a/Biz/Ide/repl
+++ b/Biz/Ide/repl
@@ -2,35 +2,33 @@
 #
 # a simple complement to bild which only deals with launching repls
 #
-# > repl <target>
+# > repl <target..>
 #
-# Starts a repl/shell for target.
-#
-#  - if target.hs, load ghci
-#  - TODO: if target.scm, load scheme repl
-#  - TODO: if target.nix, load 'nix repl'
+# Starts a repl/shell for one or more targets. (Currently, all targets must have
+# the same extension for this to work.)
 ##
   set -e
-  target=${1:?}
-  json=$(bild --json "$target")
-  langdeps=$(jq --raw-output '.[].langdeps | join(" ")' <<< $json)
-  case $target in
-    *.hs)
+  targets=${@:?}
+  json=$(bild --json ${targets[@]})
+  langdeps=$(jq --raw-output '.langdeps | join(" ")' <<< $json)
+  exts=$(jq --raw-output '.namespace.ext' <<< $json | sort | uniq)
+  case $exts in
+    Hs)
        nix-shell \
-         --packages "(import $BIZ_ROOT/Biz/Bild.nix {}).ghcWith (h: with h; [$langdeps])" \
-         --command "ghci -i$BIZ_ROOT -ghci-script $BIZ_ROOT/.ghci $target"
+         --packages "(import $BIZ_ROOT/Biz/Bild.nix {}).private.ghcWith (h: with h; [$langdeps])" \
+         --command "ghci -i$BIZ_ROOT -ghci-script $BIZ_ROOT/.ghci ${targets[@]}"
     ;;
-    *.scm)
+    Scm)
       echo "scheme repl not supported yet: $target"
       exit 1
     ;;
-    *.lisp)
-        swank-lisp-launcher.sh \
-            --eval "(asdf:load-system 'swank)" \
-            --eval "(swank:create-server :dont-close t)"
+    Lisp)
+      swank-lisp-launcher.sh \
+        --eval "(asdf:load-system 'swank)" \
+        --eval "(swank:create-server :dont-close t)"
     ;;
     *)
-      echo "unsupported target: $target"
+      echo "unsupported targets: ${targets[@]}"
       exit 1
     ;;
   esac