round-robin.sh: Remove handling of "==rr[update_baseline] rebase"

... which was never used.

Change-Id: Ic3725f43ab29e395fb5fa03636fb1c7acae2de5a

1 files changed, 2 insertions, 36 deletions

diff --git a/round-robin.sh b/round-robin.sh
index b31132f0..afc1e23e 100644
--- a/round-robin.sh
+++ b/round-robin.sh
@@ -36,9 +36,7 @@ declare -gA rr
 #          ignored) as new commit to base-artifacts, and update baseline
 #          branches.  This is useful for user projects, e.g., to generate
 #          historical results for several toolchain versions.
-# - rebase: treat results of this build as historically eldest, and
-#           rebase base-artifacts commits on top of this build's artifacts.
-#rr[update_baseline]=update/reset/init/rebase
+#rr[update_baseline]=update/reset/init/push
 
 # Target architecture to build for: arm or aarch64.
 #rr[target]="$target"
@@ -595,22 +593,7 @@ check_regression ()
 	exit $EXTERNAL_FAIL
     fi
 
-    if [ x"${rr[update_baseline]}" = x"rebase" ]; then
-	# No-one ever used "rebase" mode.  It's now obsoleted by custom ci_projects.
-	local base_artifacts_head base_artifacts_tail
-	base_artifacts_head=$(git -C base-artifacts rev-parse HEAD)
-	base_artifacts_tail=$(git -C base-artifacts rev-list --max-parents=0 HEAD)
-	git -C base-artifacts reset --hard $base_artifacts_tail
-
-	${rr[no_regression_p]} ${rr[top_artifacts]} base-artifacts &
-	if wait $!; then
-	    echo "Current results are no better then the all-time-best results. \
-No reason to rebase base-artifacts."
-	    false
-	fi
-
-	git -C base-artifacts reset --hard $base_artifacts_head
-    else
+    if true; then
 	# Generate comparison artifacts for update, reset, init and push modes.
 	${rr[no_regression_p]} base-artifacts ${rr[top_artifacts]} &
 	if wait $!; then
@@ -702,17 +685,11 @@ update_baseline ()
     set -euf -o pipefail
 
     local amend=""
-    local rebase_head rebase_tail
 
     if [ x"${rr[update_baseline]}" = x"init" ]; then
 	amend="--amend"
     elif [ x"${rr[update_baseline]}" = x"push" ]; then
 	:
-    elif [ x"${rr[update_baseline]}" = x"rebase" ]; then
-	rebase_head=$(git -C base-artifacts rev-parse HEAD)
-	rebase_tail=$(git -C base-artifacts rev-list --max-parents=0 HEAD)
-	git -C base-artifacts reset --hard $rebase_tail
-	amend="--amend"
     else
 	# ${rr[update_baseline]} == update, reset
 	local prev_head=""
@@ -790,13 +767,6 @@ BUILD_URL: ${BUILD_URL-$(pwd)}
 
 results:
 $(cat ${rr[top_artifacts]}/results)"
-
-    if [ x"${rr[update_baseline]}" = x"rebase" ]; then
-	for rebase_tail in $(git -C base-artifacts rev-list --reverse $rebase_head); do
-	    git -C base-artifacts checkout $rebase_tail -- .
-	    git -C base-artifacts commit -C $rebase_tail
-	done
-    fi
     )
 }
 
@@ -809,10 +779,6 @@ push_baseline ()
     git_init_linaro_local_remote base-artifacts baseline false
     git_push base-artifacts baseline ${rr[baseline_branch]}
 
-    if [ x"${rr[update_baseline]}" = x"rebase" ]; then
-	return
-    fi
-
     local url
     local c
     for c in $(print_updated_components); do