Add jpkg packaging

ober

16f1af1204dbcb3c526d293c62b90b281293b9fe

diff --git a/.build.yml b/.build.yml
index 19411d1..3ec8a96 100644
--- a/.build.yml
+++ b/.build.yml
@@ -10,10 +10,22 @@ packages:
 sources:
   - https://git.sr.ht/~lisp/jerboa
   - https://git.sr.ht/~lisp/jerboa-shell
+artifacts:
+  - jerboa-shell/jerboa-shell-0.2.0.jpkg
 tasks:
   - build-jerboa-tools: |
       cd jerboa
       make jerboa
+      echo 'export PATH="$HOME/jerboa/dist:$PATH"' >> ~/.buildenv
   - test-shell: |
       cd jerboa-shell
       JERBUILD=$HOME/jerboa/dist/jerbuild make test
+  - package: |
+      cd jerboa-shell
+      J="$HOME/jerboa/dist/jerboa"
+      "$J" pkg verify
+      "$J" pkg policy
+      "$J" pkg build
+      "$J" pkg pack --output "$PWD/jerboa-shell-0.2.0.jpkg"
+      "$J" pkg verify "$PWD/jerboa-shell-0.2.0.jpkg"
+      "$J" pkg verify --reproduce
diff --git a/jpkg.sexp b/jpkg.sexp
new file mode 100644
index 0000000..3f84828
--- /dev/null
+++ b/jpkg.sexp
@@ -0,0 +1,11 @@
+(package
+  (name "@lisp/jerboa-shell")
+  (version "0.2.0")
+  (description "Jerboa shell (jsh)")
+  (license "MIT")
+  (source "https://git.sr.ht/~lisp/jerboa-shell")
+  (jerboa ">=0.2.0")
+  (modules ((root ".")))
+  (dependencies ())
+  (dev-dependencies ())
+  (capabilities ()))