tcwg_kernel-build.sh: Fill in clone_repo and add git_init_linaro_local_remote

Change-Id: I36ed5078a80360c42ed6079ae98f76fa94354de7

1 files changed, 61 insertions, 0 deletions

diff --git a/tcwg_kernel-build.sh b/tcwg_kernel-build.sh
index 08e88736..ad0c4d24 100755
--- a/tcwg_kernel-build.sh
+++ b/tcwg_kernel-build.sh
@@ -123,8 +123,69 @@ reset_artifacts ()
     )
 }
 
+# Clone repository for $project
+# $1: Repo / project name
 clone_repo ()
 {
+    (
+    set -euf -o pipefail
+    local project="$1"
+
+    if [ x"$mode" = x"bisect" ]; then
+	# Don't touch anything in bisect mode.
+	return 0
+    fi
+
+    local branch
+    # Select the branch to build.
+    # $current_rev specifies branch for $current_project, and everything else
+    # uses baseline branch.
+    if [ x"$project" = x"$current_project" ]; then
+	if [ x"$current_rev" = x"default" ]; then
+	    branch=${git_branch[$current_project]}
+	elif [ x"$current_rev" = x"baseline" ]; then
+	    branch="refs/remotes/baseline/$baseline"
+	else
+	    branch=$current_rev
+	fi
+    else
+	branch="refs/remotes/baseline/$baseline"
+    fi
+
+    local dir=${git_dirs[$project]}
+
+    # Decide on whether to use read-only or read-write mode for
+    # refs/remotes/baseline.  We use read-only wherever possible to allow
+    # developers without ssh keys on Linaro git servers to reproduce builds
+    # in --mode "baseline".
+    local read_only="true"
+    if [ x"$project" = x"$current_project" ]; then
+	read_only="$git_read_only"
+    fi
+
+    # Clone origin remote
+    clone_or_update_repo_no_checkout $dir ${git_repo[$project]} auto > /dev/null
+    # Add baseline remote
+    git_init_linaro_local_remote $dir baseline $read_only
+    # Checkout, now that we have both origin and baseline remotes ready.
+    clone_or_update_repo $dir $branch ${git_repo[$project]} > /dev/null
+
+    cd $dir
+
+    git rev-parse HEAD > $run_step_artifacts/revision
+    if [ x"$project" = x"$current_project" ]; then
+	baseline_rev=$(git rev-parse refs/remotes/baseline/$baseline)
+	bad_rev=$(git rev-parse HEAD)
+	# Prepare for failure.  If build fails we will bisect sha1 for
+	# $current_rev and sha1 for $baseline_rev.
+	cat > $top_artifacts/trigger-bisect-on-failure <<EOF
+current_project=$current_project
+baseline_rev=$baseline_rev
+bad_rev=$bad_rev
+EOF
+	git rev-list --count HEAD ^$baseline_rev > $top_artifacts/distance-to-baseline
+    fi
+    )
 }
 
 prepare_abe ()