1 files changed, 129 insertions, 0 deletions
diff --git a/precommit-ssh-apply.sh b/precommit-ssh-apply.sh
new file mode 100755
index 00000000..32375ae2
--- /dev/null
+++ b/precommit-ssh-apply.sh
@@ -0,0 +1,129 @@
+#!/bin/bash
+
+set -euf -o pipefail +x
+
+scripts=$(dirname $0)
+# shellcheck source=jenkins-helpers.sh
+. $scripts/jenkins-helpers.sh
+# shellcheck source=pw-helpers.sh
+. $scripts/pw-helpers.sh
+
+convert_args_to_variables "$@"
+
+obligatory_variables pw_url
+declare              pw_url
+
+fetch_only="${fetch_only-false}"
+series_dir="${series_dir-}"
+verbose="${verbose-true}"
+
+if $verbose; then
+    set -x
+fi
+
+case "$pw_url" in
+    "ssh://"*)
+	# ssh://ssh_host:path/to/maildir[#num_patch]
+	# Note that CI will ssh to $ssh_host as tcwg-buildslave user.
+	true
+	;;
+    *) assert_with_msg "pw_url does not match ssh://*" false ;;
+esac
+
+series_url=$(echo "$pw_url" | cut -d/ -f 3- | sed -e "s/#.*//")
+case "$series_url" in
+    *".patch") ;;
+    *"/") ;;
+    *) series_url="$series_url/" ;;
+esac
+
+num_patch=$(echo "$pw_url" | cut -s -d# -f 2)
+if [ "$num_patch" = "" ]; then
+    num_patch="0"
+fi
+
+if [ "$series_dir" = "" ]; then
+    series_dir=$(mktemp -d)
+    trap 'rm -rf "$series_dir"' EXIT
+fi
+rsync -a "$series_url" "$series_dir/new/"
+
+if $fetch_only; then
+    exit 0
+fi
+
+obligatory_variables project pw_dir build_url patch_submitter
+declare              project pw_dir build_url patch_submitter
+
+url=$(get_baseline_git "${project}_url")
+rev=$(get_baseline_git "${project}_rev")
+echo "Fetching baseline $url#$rev"
+clone_or_update_repo "$project" "$rev" "$url" > /dev/null
+
+# Create a state file for this patch.  This is sourced by pw-report.sh to avoid
+# passing a bunch of parameters on the command line.
+mkdir -p "$pw_dir"
+cat > "$pw_dir/$project" <<EOF
+pw[project]='$project'
+pw[${project}]='$project'
+pw[${project}_patch_id]='$num_patch'
+pw[${project}_check_cmd]='echo REPORT'
+pw[${project}_build_url]='$build_url'
+pw[${project}_patch_url]='$pw_url'
+pw[${project}_patch_message_id]='no_message_id'
+pw[${project}_patch_submitter]='$patch_submitter'
+EOF
+
+prev_head=$(git -C "$project" rev-parse HEAD)
+
+apply_series_with_retry "$project" "$prev_head" am "$series_dir/" \
+			"$series_url" &
+res=0 && wait $! || res=$?
+patches_applied=$(git -C "$project" rev-list --count HEAD "^$prev_head")
+
+if [ "$patches_applied" -le "$num_patch" ]; then
+    apply_result="fail"
+    if [ "$res" = "0" ] && [ "$patches_applied" = "0" ]; then
+	# "series apply" finished successfully, but no patch was applied;
+	# this means that the patch is already merged.
+	apply_result="merged"
+    fi
+
+    cat > "$pw_dir/mail-recipients.txt" <<EOF
+$patch_submitter
+EOF
+    cat > "$pw_dir/mail-subject.txt" <<EOF
+[Linaro-TCWG-CI] $pw_url failed to apply
+EOF
+    cat > "$pw_dir/mail-body.txt" <<EOF
+${build_url}artifact/artifacts/jenkins/precommit-ssh-apply.log/*view*/
+
+Patch series $pw_url applied fewer patches than expected: $patches_applied vs expected $(($num_patch + 1))"
+EOF
+    if [ "$apply_result" = "merged" ]; then
+	cat >> "$pw_dir/mail-body.txt" <<EOF
+
+Most likely the patch series is now merged into mainline"
+EOF
+    fi
+
+    if [ $res != 0 ]; then
+	exit $res
+    fi
+
+
+    exit 5
+fi
+
+git -C "$project" checkout --detach HEAD~$num_patch
+
+# Some debug traces, to check which files were modified and their time stamps
+(
+    set +e
+    cd "$project"
+    git status
+    git status -s | awk '{print $NF;}' | while IFS='' read -r line
+    do
+	ls -l "$line"
+    done
+)