ci: Set DEPENDS_DIR when setting BASE_ROOT_DIR

The depends dir can not be overwritten by a FILE_ENV file. Also, a FILE_ENV file
might depend on the DEPENDS_DIR value. Thus, set it before reading FILE_ENV.

This commit does not change behavior, but is required for later commits.

Can be reviewed with --color-moved=dimmed-zebra

ci/test/00_setup_env.sh

@@ -11,6 +11,9 @@ export LC_ALL=C.UTF-8
 # This is where the depends build is done.
 BASE_ROOT_DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )"/../../ >/dev/null 2>&1 && pwd )
 export BASE_ROOT_DIR
+# The depends dir.
+# This folder exists on the ci host and ci guest. Changes are propagated back and forth.
+export DEPENDS_DIR=${DEPENDS_DIR:-$BASE_ROOT_DIR/depends}
 
 echo "Setting specific values in env"
 if [ -n "${FILE_ENV}" ]; then
@@ -56,9 +59,6 @@ export CCACHE_COMPRESS=${CCACHE_COMPRESS:-1}
 # The cache dir.
 # This folder exists on the ci host and ci guest. Changes are propagated back and forth.
 export CCACHE_DIR=${CCACHE_DIR:-$BASE_SCRATCH_DIR/.ccache}
-# The depends dir.
-# This folder exists on the ci host and ci guest. Changes are propagated back and forth.
-export DEPENDS_DIR=${DEPENDS_DIR:-$BASE_ROOT_DIR/depends}
 # Folder where the build result is put (bin and lib).
 export BASE_OUTDIR=${BASE_OUTDIR:-$BASE_SCRATCH_DIR/out/$HOST}
 # Folder where the build is done (dist and out-of-tree build).