Add auto-builds on M1

Support `CARGO_TARGET_DIR` in Makefile

.ci.yml

@@ -2,7 +2,7 @@
 
 kind: pipeline
 type: ssh
-name: Run tests on M1
+name: Build on M1
 
 server:
   host:
@@ -28,3 +28,30 @@ steps:
       - source $SRCENV/.cargo/env
       - export RUSTUP_HOME=$SRCENV/.rustup
       - make test
+    when:
+      event:
+        exclude:
+          - tag
+  - name: Build bundle
+    environment:
+      SRCENV:
+        from_secret: srcenv
+      CARGO_HOME:
+        from_secret: cargohome
+      CARGO_TARGET_DIR:
+        from_secret: cargotarget
+      TARGET: aarch64-apple-darwin
+      VERSION: ${DRONE_TAG}
+      ARTIFACT: aarch64-apple-darwin
+      HUBPATH:
+        from_secret: hubpath
+      GITHUB_TOKEN:
+        from_secret: github_token
+    commands:
+      - source $SRCENV/.cargo/env
+      - export RUSTUP_HOME=$SRCENV/.rustup
+      - make bundle
+      - $HUBPATH release edit $(find . -type f -name "*.zip" -printf "-a %p ") -m "" "$VERSION"
+    when:
+      event:
+        - tag

Makefile

@@ -86,6 +86,11 @@ BUNDLE += cd target/${TARGET}/release &&
 BUNDLE+=7z a ../../../sky-bundle-${VERSION}-${ARTIFACT}.zip skysh.exe skyd.exe sky-bench.exe
 else
 # not windows, so no exe
+ifneq ($(origin CARGO_TARGET_DIR),undefined)
+# target defined and target dir. use this instead of target/
+BUNDLE+=zip -j sky-bundle-${VERSION}-${ARTIFACT}.zip ${CARGO_TARGET_DIR}/${TARGET}/release/skysh ${CARGO_TARGET_DIR}/${TARGET}/release/skyd ${CARGO_TARGET_DIR}/${TARGET}/release/sky-bench
+endif
+# just the plain old target/${TARGET} path
 BUNDLE+=zip -j sky-bundle-${VERSION}-${ARTIFACT}.zip target/${TARGET}/release/skysh target/${TARGET}/release/skyd target/${TARGET}/release/sky-bench
 endif
 endif