CI (Buildkite): include the short commit hash in the artifact filename (

#41700)

(cherry picked from commit 343c2b1)

.buildkite/pipelines/main/platforms/linux64.yml

@@ -19,6 +19,17 @@ steps:
             # Include `/cache/repos` so that our `git` version introspection works.
             - "/cache/repos:/cache/repos"
     commands: |
+      echo "--- Print the short and long commit hashes"
+      SHORT_COMMIT_LENGTH=10
+      SHORT_COMMIT=`echo $$BUILDKITE_COMMIT | cut -c1-$$SHORT_COMMIT_LENGTH`
+      JULIA_DIRECTORY_NAME="julia-$$SHORT_COMMIT"
+      JULIA_BINARYDIST_FILENAME=`make print-JULIA_BINARYDIST_FILENAME | cut -c27-`
+      ARTIFACT_FILE_EXTENSION="tar.gz"
+      ARTIFACT_FILENAME="$$JULIA_BINARYDIST_FILENAME.$$ARTIFACT_FILE_EXTENSION"
+      echo "The full commit is $$BUILDKITE_COMMIT"
+      echo "The Julia directory name will be $$JULIA_DIRECTORY_NAME"
+      echo "The artifact filename will be $$ARTIFACT_FILENAME"
+
       echo "--- Build Julia from source"
       make -j 6
       make release
@@ -28,12 +39,13 @@ steps:
       ./julia -e 'using InteractiveUtils; InteractiveUtils.versioninfo()'
 
       echo "--- Compress build artifacts"
-      mv julia-* julia-artifact
-      rm -rf julia-linux64.tar.gz
-      tar czf julia-linux64.tar.gz julia-artifact/
+      ls -ld $$JULIA_DIRECTORY_NAME/
+      rm -rf $$ARTIFACT_FILENAME
+      tar czf $$ARTIFACT_FILENAME $$JULIA_DIRECTORY_NAME/
+      ls -l $$ARTIFACT_FILENAME
 
       echo "--- Upload build artifacts"
-      buildkite-agent artifact upload julia-linux64.tar.gz
+      buildkite-agent artifact upload $$ARTIFACT_FILENAME
     timeout_in_minutes: 60
     notify:
       - github_commit_status: