#!/bin/bash

# This scripts iterates over a base-artifact BRANCH and for each base-artifact :
# - recreates the dashboard directory if necessary
# - push the results to squad
#
# Example to push a base-artifacts branch :
#   dashboard-push-one-branch.sh --top_artifacts base-artifacts --baseline_branch linaro-local/ci/tcwg_bmk_gnu_apm/gnu-master-aarch64-spec2k6-Os_LTO
#
# This required the squad project to exist

set -e

dryrun=false

# shellcheck source=jenkins-helpers.sh
. "$(dirname $0)/jenkins-helpers.sh"
# shellcheck source=round-robin.sh
. "$(dirname $0)/round-robin.sh"

convert_args_to_variables "$@"

obligatory_variables top_artifacts baseline_branch

declare top_artifacts baseline_branch

# rebuild component list from the artifacts state.
get_components()
{
  (
  local components=""

  manifest=""
  [ -f "$top_artifacts/manifest.sh" ] && manifest=manifest.sh
  [ -f "$top_artifacts/jenkins/manifest.sh" ] && manifest=jenkins/manifest.sh
  [ x"$manifest" == x"" ] && error "Manifest not found"
  # shellcheck disable=SC1090
  source $top_artifacts/$manifest

  for c in binutils gcc glibc llvm linux; do
    if [ -f $top_artifacts/git/${c}_rev ] || [ -v rr[${c}_rev] ] ; then
      components="$components $c"
    fi
  done
  echo $components
  )
}

# --------------------------- MAIN PROCEDURE --------------------------------
gitserver=https://git-us.linaro.org/toolchain/ci/base-artifacts.git
top_artifacts=base-artifacts
baseline_branch=${baseline_branch#refs/heads/}

if [ ! -d $top_artifacts ]; then
 git clone --single-branch --branch empty $gitserver $top_artifacts
fi

echo "# base_artifact : fetch $baseline_branch"
git -C $top_artifacts reset -q --hard
git -C $top_artifacts fetch -q origin $baseline_branch
git -C $top_artifacts clean -d -f
git -C $top_artifacts checkout -q FETCH_HEAD
git -C $top_artifacts branch -f $baseline_branch FETCH_HEAD

for sha1 in $(git -C $top_artifacts log FETCH_HEAD --pretty=%H | tac); do
  (
  echo "# base-artifact : rev=$sha1 ($baseline_branch)"
  git -C $top_artifacts reset -q --hard
  git -C $top_artifacts checkout -q -f $sha1

  if [ -f $top_artifacts/dashboard/dashboard-generate.sh ] &&
     [ -f $top_artifacts/dashboard/dashboard-push.sh ]; then

    # If dashboard-generate.sh already exists : just run it.
    $top_artifacts/dashboard/dashboard-generate.sh

    $top_artifacts/dashboard/dashboard-push.sh

  else

    # Otherwise, create dashboard-generate.sh & dashboard-push.sh
    # and run them
    declare -A rr

    rr[top_artifacts]=$top_artifacts
    rr[baseline_branch]=$baseline_branch
    rr[components]=$(get_components)
    rr[start_date]=$(git -C $top_artifacts show --no-patch --pretty="%ct" HEAD)

    # create dashboard-generate.sh & dashboard-push.sh,
    # run dashboard-generate.sh
    create_dashboard_dir

    # run dashboard-push.sh
    if ! $dryrun; then
      $top_artifacts/dashboard/dashboard-push.sh
    fi
  fi

  # clean artifacts dir
  git -C $top_artifacts clean -d -f
  )
done