tcwg_kernel-build.sh: Add new --mode reproduce

... to reproduce a previous build using manifest.

Change-Id: I21521204a3d8b409c7dbf1c45137ddb8c6f85f15

1 files changed, 18 insertions, 10 deletions

diff --git a/round-robin.sh b/round-robin.sh
index 278c9b07..e257b776 100644
--- a/round-robin.sh
+++ b/round-robin.sh
@@ -59,7 +59,11 @@ reset_artifacts ()
     # steps.
     # TODO: base-artifacts repo is starting to get big, so we should
     # fetch only the $baseline branch, instead of all branches.
+    rr[base-artifacts_rev]="${rr[base-artifacts_rev]-${rr[baseline_branch]}}"
     clone_or_update_repo base-artifacts ${rr[baseline_branch]} https://git-us.linaro.org/toolchain/ci/base-artifacts.git
+    cat <<EOF | manifest_out
+rr[base-artifacts_rev]=$(git_rev_parse_long base-artifacts HEAD)
+EOF
     )
 }
 
@@ -78,8 +82,8 @@ clone_repo ()
 
     local branch
     # Select the branch to build.
-    # ${rr[current_rev]} specifies branch for ${rr[current_project]}, and everything else
-    # uses baseline branch.
+    # ${rr[current_rev]} specifies branch for ${rr[current_project]},
+    # and everything else uses baseline branch.
     if [ x"$project" = x"${rr[current_project]}" ]; then
 	if [ x"${rr[current_rev]}" = x"default" ]; then
 	    branch=${rr[${current_project}_rev]}
@@ -88,6 +92,8 @@ clone_repo ()
 	else
 	    branch=${rr[current_rev]}
 	fi
+    elif [ x"${rr[mode]}" = x"reproduce" ]; then
+	branch="${rr[${project}_rev]}"
     else
 	branch="refs/remotes/baseline/${rr[baseline_branch]}"
     fi
@@ -109,22 +115,24 @@ clone_repo ()
     # Checkout, now that we have both origin and baseline remotes ready.
     clone_or_update_repo $project $branch ${rr[${project}_url]} > /dev/null
 
-    cd $project
+    local cur_rev
+    cur_rev=$(git_rev_parse_long $project HEAD)
 
-    git rev-parse HEAD > $run_step_artifacts/revision
-    if [ x"$project" = x"${rr[current_project]}" ]; then
-	local baseline_rev bad_rev
+    cat <<EOF | manifest_out
+rr[${project}_rev]=$cur_rev
+EOF
 
-	baseline_rev=$(git rev-parse refs/remotes/baseline/${rr[baseline_branch]})
-	bad_rev=$(git rev-parse HEAD)
+    if [ x"$project" = x"${rr[current_project]}" ]; then
+	local baseline_rev
+	baseline_rev=$(git_rev_parse_long $project ${rr[baseline_branch]} baseline)
 	# Prepare for failure.  If build fails we will bisect sha1 for
 	# ${rr[current_rev]} and sha1 for $baseline_rev.
 	cat > ${rr[top_artifacts]}/trigger-bisect-on-failure <<EOF
 current_project=${rr[current_project]}
 baseline_rev=$baseline_rev
-bad_rev=$bad_rev
+bad_rev=$cur_rev
 EOF
-	git rev-list --count HEAD ^$baseline_rev > ${rr[top_artifacts]}/distance-to-baseline
+	git -C $project rev-list --count HEAD ^$baseline_rev > ${rr[top_artifacts]}/distance-to-baseline
     fi
     )
 }