Failed to build chart

[yujunz]

❯ ./bazel build //charts/ambassador --sandbox_debug
DEBUG: Rule 'helm_tiller' modified arguments {"shallow_since": "1556633566 +0300"}
INFO: Analysed target //charts/ambassador:ambassador (0 packages loaded, 0 targets configured).
INFO: Found 1 target...
ERROR: /Users/yujunz/Code/code.nvda.ai/nucleus/devops/clusters/erica.nvda.dev/helm/charts/ambassador/BUILD:5:1: Executing genrule //charts/ambassador:ambassador failed (Exit 1) sandbox-exec failed: error executing command
  (cd /private/var/tmp/_bazel_yujunz/97b934e4ff9ba842077d328c454b94e4/sandbox/darwin-sandbox/1/execroot/erica_helm && \
  exec env - \
    PATH=/Users/yujunz/.pyenv/shims:/Users/yujunz/.local/bin:/Users/yujunz/bin:/usr/local/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/go/bin:/Users/yujunz/go/bin:/Users/yujunz/Library/Python/2.7/bin \
    TMPDIR=/var/folders/yg/b9s479_51fg8lx95k3kk2p1c0000gn/T/ \
  /usr/bin/sandbox-exec -f /private/var/tmp/_bazel_yujunz/97b934e4ff9ba842077d328c454b94e4/sandbox/darwin-sandbox/1/sandbox.sb /var/tmp/_bazel_yujunz/install/a134bf748a9bb448b9801b24812c57ec/_embedded_binaries/process-wrapper '--timeout=0' '--kill_delay=15' /bin/bash -c 'source external/bazel_tools/tools/genrule/genrule-setup.sh;
# find Chart.yaml in the filegroup
CHARTLOC=missing
for s in charts/ambassador/.helmignore charts/ambassador/BUILD charts/ambassador/CHANGELOG.md charts/ambassador/Chart.yaml charts/ambassador/README.md charts/ambassador/ci/ci-values.yaml charts/ambassador/ci/default-values.yaml charts/ambassador/templates/NOTES.txt charts/ambassador/templates/_helpers.tpl charts/ambassador/templates/admin-service.yaml charts/ambassador/templates/ambassador-pro-crd.yaml charts/ambassador/templates/ambassador-pro-license-key-secret.yaml charts/ambassador/templates/ambassador-pro-redis.yaml charts/ambassador/templates/ambassador-pro-service.yaml charts/ambassador/templates/config.yaml charts/ambassador/templates/crds.yaml charts/ambassador/templates/deployment.yaml charts/ambassador/templates/exporter-config.yaml charts/ambassador/templates/hpa.yaml charts/ambassador/templates/rbac.yaml charts/ambassador/templates/service.yaml charts/ambassador/templates/serviceaccount.yaml charts/ambassador/templates/tests/test-ready.yaml charts/ambassador/values.yaml; do
  if [[ $s =~ .*Chart.yaml ]]; then
    CHARTLOC=$(dirname $s)
    break
  fi
done
bazel-out/host/bin/external/com_github_tmc_rules_helm/helm package  $CHARTLOC
mv *tgz bazel-out/darwin-fastbuild/genfiles/charts/ambassador/ambassador_chart.tar.gz
')
usage: dirname path
Error: This command needs 1 argument: plugin
Target //charts/ambassador:ambassador failed to build
Use --verbose_failures to see the command lines of failed build steps.
INFO: Elapsed time: 2.242s, Critical Path: 2.11s
INFO: 0 processes.
FAILED: Build did NOT complete successfully

[yujunz]

It seems failed in rlocation

+ grep -qc tiller
+++ rlocation __main__/external/helm_tiller/WORKSPACE
+++ [[ '' == 1 ]]
+++ [[ __main__/external/helm_tiller/WORKSPACE =~ ^/[^/].* ]]
+++ [[ __main__/external/helm_tiller/WORKSPACE == ../* ]]
+++ [[ __main__/external/helm_tiller/WORKSPACE == */.. ]]
+++ [[ __main__/external/helm_tiller/WORKSPACE == ./* ]]
+++ [[ __main__/external/helm_tiller/WORKSPACE == */./* ]]
+++ [[ __main__/external/helm_tiller/WORKSPACE == \*\/\. ]]
+++ [[ __main__/external/helm_tiller/WORKSPACE == *//* ]]
+++ [[ __main__/external/helm_tiller/WORKSPACE == \\* ]]
+++ [[ -e /dev/null/__main__/external/helm_tiller/WORKSPACE ]]
+++ [[ -f bazel-out/host/bin/external/com_github_tmc_rules_helm/helm.runfiles_manifest ]]
+++ [[ '' == 1 ]]
++++ grep -m1 '^__main__/external/helm_tiller/WORKSPACE ' bazel-out/host/bin/external/com_github_tmc_rules_helm/helm.runfiles_manifest
++++ cut -d ' ' -f 2-
+++ local -r result=
+++ [[ -e /dev/null ]]
+++ [[ '' == 1 ]]
+++ echo ''
++ dirname
usage: dirname path