Merge branch 'ImproveShellScriptsChangeDirException' into 'master'

Execute `exit 1` when shell script `cd` fails

See merge request gitlab-org/gitlab!46122

bin/background_jobs

 #!/usr/bin/env bash
 
-cd $(dirname $0)/..
+cd $(dirname $0)/.. || exit 1
 
 if [ -n "$SIDEKIQ_WORKERS" ] ; then
   exec bin/background_jobs_sk_cluster "$@"

bin/mail_room

 #!/bin/sh
 
-cd $(dirname $0)/..
+cd $(dirname $0)/.. || exit 1
 app_root=$(pwd)
 
 mail_room_pidfile="$app_root/tmp/pids/mail_room.pid"

bin/web_unicorn

 #!/bin/sh
 
-cd $(dirname $0)/..
+cd $(dirname $0)/.. || exit 1
 app_root=$(pwd)
 
 unicorn_pidfile="$app_root/tmp/pids/unicorn.pid"

changelogs/unreleased/ImproveShellScriptsChangeDirException.yml

+---
+title: Execute `exit 1` when shell script `cd` fails
+merge_request: 46122
+author: Peter Dave Hello
+type: other

scripts/lint-doc.sh

 #!/usr/bin/env bash
 
-cd "$(dirname "$0")/.."
+cd "$(dirname "$0")/.." || exit 1
 echo "=> Linting documents at path $(pwd) as $(whoami)..."
 echo
 ERRORCODE=0