handle TMPDIR from include/export.sh

it looks a bit cluttered just sitting there in
the main script. make it an include.

Signed-off-by: Leah Rowe <leah@libreboot.org>

1 files changed, 22 insertions, 0 deletions

diff --git a/include/export.sh b/include/export.sh
new file mode 100755
index 00000000..9e393485
--- /dev/null
+++ b/include/export.sh
@@ -0,0 +1,22 @@
+# Copyright (c) 2023 Leah Rowe <leah@libreboot.org>
+# SPDX-License-Identifier: MIT
+
+tmpdir=""
+tmpdir_was_set="y"
+set | grep TMPDIR 1>/dev/null 2>/dev/null || tmpdir_was_set="n"
+if [ "${tmpdir_was_set}" = "y" ]; then
+	tmpdir="${TMPDIR##*/}"
+	tmpdir="${TMPDIR%_*}"
+	if [ "${tmpdir}" = "lbmk" ]; then
+		tmpdir=""
+		tmpdir_was_set="n"
+	fi
+fi
+if [ "${tmpdir_was_set}" = "n" ]; then
+	export TMPDIR="/tmp"
+	tmpdir="$(mktemp -d -t lbmk_XXXXXXXX)"
+	export TMPDIR="${tmpdir}"
+else
+	export TMPDIR="${TMPDIR}"
+fi
+tmpdir="${TMPDIR}"