jjb: babeltrace: run tools/format-cpp.sh to check C++ formatting

[lttng-ci.git] / scripts / lttng-tools / gerrit-depends-on.sh

diff --git a/scripts/lttng-tools/gerrit-depends-on.sh b/scripts/lttng-tools/gerrit-depends-on.sh
index b8bcd4e9a30d6b07da061534bcaa6adbf7918c30..9e607bf257d5efbc7e6389fb030f588ef3e808e3 100755 (executable)
--- a/scripts/lttng-tools/gerrit-depends-on.sh
+++ b/scripts/lttng-tools/gerrit-depends-on.sh
@@ -24,10 +24,11 @@ WORKSPACE=${WORKSPACE:-}
 conf=${conf:-}
 
 gerrit_url="https://${GERRIT_NAME}"
-gerrit_query="?o=CURRENT_REVISION&o=DOWNLOAD_COMMANDS"
-gerrit_json_query=".revisions[.current_revision].ref"
+gerrit_query="&o=CURRENT_REVISION&o=DOWNLOAD_COMMANDS"
+gerrit_json_query=".[0].revisions[.[0].current_revision].ref"
+gerrit_json_query_status=".[0].status"
 
-possible_depends_on="lttng-ust|lttng-modules"
+possible_depends_on="lttng-ust|lttng-modules|userspace-rcu|babeltrace"
 re="Depends-on: (${possible_depends_on}): ([^'$'\n'']*)"
 property_file="${WORKSPACE}/gerrit_custom_dependencies.properties"
 
@@ -70,11 +71,70 @@ git rev-list --format=%B --max-count=1 HEAD | while read -r line; do
 
     # Export the GERRIT_DEP_... into the property file for further jenkins usage
     echo "GERRIT_DEP_${project_sanitize^^}=${gerrit_id}" >> "$property_file"
+    # Deactivate tests for the project
+    echo "${project_sanitize^^}_RUN_TESTS=no" >> "$property_file"
 
     # Get the change latest ref
-    ref=$(curl "${gerrit_url}/changes/${gerrit_id}${gerrit_query}" | tail -n+2 | jq -r "$gerrit_json_query")
-    git clone "${gerrit_url}/${project}" "$WORKSPACE/src/$project"
-    pushd "$WORKSPACE/src/$project"
+    case $project in
+        lttng-*)
+            # This is necessary since a cherry pick can have the same change id
+            # across branches. Still this is only valid for projects where the
+            # branch name fits the same branch name style of the lttng-tools
+            # project.
+            # We will need to be much more clever if the situation arise where
+            # we need to depends-on a cherry picked change id for the
+            # userspace-rcu or babeltrace project. Until then let's use this
+            # hack. The quick solution to this is to tell the committer to change
+            # the change id. We could also be clever and require that the
+            # "branch name" be included in the `Depends-on` clause.
+            local_query="${gerrit_url}/changes/?q=change:${gerrit_id}+branch:${GERRIT_BRANCH}${gerrit_query}"
+           default_branch="${GERRIT_BRANCH}"
+            ;;
+        *)
+            local_query="${gerrit_url}/changes/?q=change:${gerrit_id}${gerrit_query}"
+           default_branch="master"
+            ;;
+    esac
+
+    json_doc=$(curl "$local_query" | tail -n+2)
+    count=$(jq -r '. | length' <<< "$json_doc")
+    if [ "$count" != "1" ]; then
+           echo "Expected an array of size 1 got $count"
+           exit 1
+    fi
+
+    ref=$(jq -r "$gerrit_json_query" <<< "$json_doc")
+    change_status=$(jq -r "$gerrit_json_query_status" <<< "$json_doc")
+    if [ "$change_status" == "MERGED" ]; then
+           # When the change we depends on is merged use master as the ref.
+           # This is not ideal CI time wise since we do not reuse artifacts.
+           # This solve a tricky situation where we actually want to use master
+           # instead of the change available on gerrit. Intermediary changes
+           # present in master could have an impact on the change under test.
+           echo "Depends-on change is MERGED. Defaulting to ${default_branch}"
+           ref="refs/heads/$default_branch"
+    elif [ "$change_status" == "ABANDONED" ]; then
+           # We have a situation where the "HEAD" commit for feature branch are
+           # not merged and abandoned. Default to the master branch and hope
+           # for the best. This is far from ideal but we need might also need
+           # to find a better way to handle feature branch here. In the
+           # meantime use master for such cases.
+           echo "Depends-on change is ABANDONED. Defaulting to ${default_branch}"
+           ref="refs/heads/${default_branch}"
+    fi
+
+    # The build.sh script from userspace-rcu expects the source to be located in
+    # `liburcu` instead of userspace-rcu. Accommodate for this here.
+    if [ "$project" = "userspace-rcu" ]; then
+        clone_directory="liburcu"
+    else
+       clone_directory="$project"
+    fi
+
+    clone_directory="$WORKSPACE/src/$clone_directory"
+
+    git clone "${gerrit_url}/${project}" "$clone_directory"
+    pushd "$clone_directory"
     git fetch "${gerrit_url}/${project}" "$ref"
     git checkout FETCH_HEAD
     popd