ci: Set PATH inside the CI env

This is needed for the next commit.

This also requires dropping CI_RETRY from the docker build step, which
is fine, because CI_RETRY should be called inside the build script, not
outside.

Also, fix a doc typo.

ci/lint/04_install.sh

@@ -6,6 +6,8 @@
 
 export LC_ALL=C
 
+export PATH=$PWD/ci/retry:$PATH
+
 ${CI_RETRY_EXE} apt-get update
 # Lint dependencies:
 # - curl/xz-utils (to install shellcheck)

ci/test/00_setup_env.sh

@@ -15,9 +15,12 @@ export BASE_ROOT_DIR
 # The depends dir.
 # This folder exists only on the ci guest, and on the ci host as a volume.
 export DEPENDS_DIR=${DEPENDS_DIR:-$BASE_ROOT_DIR/depends}
-# A folder for the ci system to put temporary files (ccache, datadirs for tests, ...)
-# This folder only exists on the ci host.
+# A folder for the ci system to put temporary files (build result, datadirs for tests, ...)
+# This folder only exists on the ci guest.
 export BASE_SCRATCH_DIR=${BASE_SCRATCH_DIR:-$BASE_ROOT_DIR/ci/scratch}
+# A folder for the ci system to put executables.
+# This folder only exists on the ci guest.
+export BINS_SCRATCH_DIR="${BASE_SCRATCH_DIR}/bins/"
 
 echo "Setting specific values in env"
 if [ -n "${FILE_ENV}" ]; then
@@ -69,5 +72,4 @@ export SDK_URL=${SDK_URL:-https://bitcoincore.org/depends-sources/sdks}
 export CI_BASE_PACKAGES=${CI_BASE_PACKAGES:-build-essential libtool autotools-dev automake pkg-config bsdmainutils curl ca-certificates ccache python3 rsync git procps bison}
 export GOAL=${GOAL:-install}
 export DIR_QA_ASSETS=${DIR_QA_ASSETS:-${BASE_SCRATCH_DIR}/qa-assets}
-export PATH=${BASE_ROOT_DIR}/ci/retry:$PATH
 export CI_RETRY_EXE=${CI_RETRY_EXE:-"retry --"}

ci/test/04_install.sh

@@ -22,14 +22,12 @@ if [[ $BITCOIN_CONFIG = *--with-sanitizers=*address* ]]; then # If ran with (ASa
   CI_CONTAINER_CAP="--cap-add SYS_PTRACE"
 fi
 
-export BINS_SCRATCH_DIR="${BASE_SCRATCH_DIR}/bins/"
-
 if [ -z "$DANGER_RUN_CI_ON_HOST" ]; then
   # Export all env vars to avoid missing some.
   # Though, exclude those with newlines to avoid parsing problems.
   python3 -c 'import os; [print(f"{key}={value}") for key, value in os.environ.items() if "\n" not in value and "HOME" not in key]' | tee /tmp/env
   echo "Creating $CI_IMAGE_NAME_TAG container to run in"
-  DOCKER_BUILDKIT=1 ${CI_RETRY_EXE} docker build \
+  DOCKER_BUILDKIT=1 docker build \
       --file "${BASE_ROOT_DIR}/ci/test_imagefile" \
       --build-arg "CI_IMAGE_NAME_TAG=${CI_IMAGE_NAME_TAG}" \
       --build-arg "FILE_ENV=${FILE_ENV}" \
@@ -62,7 +60,7 @@ else
 fi
 
 CI_EXEC () {
-  $CI_EXEC_CMD_PREFIX bash -c "export PATH=${BINS_SCRATCH_DIR}:\$PATH && cd \"${BASE_ROOT_DIR}\" && $*"
+  $CI_EXEC_CMD_PREFIX bash -c "export PATH=${BINS_SCRATCH_DIR}:${BASE_ROOT_DIR}/ci/retry:\$PATH && cd \"${BASE_ROOT_DIR}\" && $*"
 }
 export -f CI_EXEC