Fix Github actions artifact download script (#127)

* back out release version

* git GITHUB_ARTIFACTS outside of GH Actions

Author: isaacbrodsky

pom.xml

@@ -18,7 +18,7 @@
     <groupId>com.uber</groupId>
     <artifactId>h3</artifactId>
     <packaging>jar</packaging>
-    <version>4.1.0</version>
+    <version>4.0.3-SNAPSHOT</version>
     <name>h3</name>
     <url>https://github.com/uber/h3-java</url>
     <description>Java bindings for H3, a hierarchical hexagonal geospatial indexing system.</description>
@@ -40,7 +40,7 @@
         <connection>scm:git:git://github.com/uber/h3-java.git</connection>
         <developerConnection>scm:git:ssh://[email protected]/uber/h3-java.git</developerConnection>
         <url>http://github.com/uber/h3-java/tree/master</url>
-      <tag>v4.1.0</tag>
+      <tag>HEAD</tag>
   </scm>
 
     <developers>

src/main/c/h3-java/pull-from-github.sh

@@ -35,16 +35,17 @@ GITHUB_ARTIFACTS_RUN=$1
 EXTRACT_TO=src/main/resources
 
 if [ -z "$GITHUB_ARTIFACTS_RUN" ]; then
+    GIT_REVISION=$(git rev-parse HEAD)
     mkdir -p target
     pushd target
 
     ARTIFACTS_LIST=$(gh api \
     -H "Accept: application/vnd.github+json" \
     /repos/{owner}/{repo}/actions/artifacts)
 
-    echo "downloading artifacts for run $GITHUB_ARTIFACTS_RUN"
+    echo "downloading artifacts for run $GIT_REVISION"
     TO_DOWNLOAD=$(echo "$ARTIFACTS_LIST" \
-        | jq ".artifacts[] | select(.workflow_run.id == \"$GITHUB_ARTIFACTS_RUN\")")
+        | jq ".artifacts[] | select(.workflow_run.head_sha == \"$GIT_REVISION\")")
 
     echo $TO_DOWNLOAD | jq -c '.' | while read artifactline; do
         ARTIFACT_NAME=$(echo $artifactline | jq -r .name)