CI: Support uploading tarball to release

.github/workflows/CI.yml

@@ -493,3 +493,32 @@ jobs:
         run: |
             cd integration_tests
             ./run_tests.py -b cpython c_py
+
+  upload_tarball:
+    name: Upload Tarball
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - uses: mamba-org/setup-micromamba@v1
+        with:
+          environment-file: ci/environment.yml
+          create-args: >-
+            python=3.10
+
+      - name: Create Source Tarball
+        shell: bash -e -l {0}
+        run: |
+          ./build0.sh
+          lpython_version=$(<version)
+          ci/create_source_tarball.sh $lpython_version
+
+      - name: Upload Tarball to Release
+        if: ${{ startsWith(github.ref, 'refs/tags/v') }}
+        shell: bash -e -l {0}
+        run: |
+          ci/upload_tarball_to_release.sh
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

ci/create_source_tarball.sh

@@ -2,6 +2,6 @@
 
 set -ex
 
-lfortran_version=$1
-export dest=lfortran-$lfortran_version
+lpython_version=$1
+export dest=lpython-$lpython_version
 bash -x -o errexit ci/create_source_tarball0.sh

ci/upload_tarball_to_release.sh

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+
+set -ex
+
+lpython_version=$(<version)
+
+cd ./dist
+
+
+RELEASE_ID=$(\
+curl -s 'https://api.github.com/repos/lcompilers/lpython/releases/latest' | \
+python -c "import sys, json; print(json.load(sys.stdin)['id'], end='')")
+
+echo "RELEASE_ID=$RELEASE_ID"
+
+curl --fail -L \
+-X POST \
+-H "Accept: application/vnd.github+json" \
+-H "Authorization: Bearer $GITHUB_TOKEN" \
+-H "X-GitHub-Api-Version: 2022-11-28" \
+-H "Content-Type: application/octet-stream" \
+"https://uploads.github.com/repos/lcompilers/lpython/releases/$RELEASE_ID/assets?name=lpython-${lpython_version}.tar.gz" \
+--data-binary "@lpython-${lpython_version}.tar.gz"