README.md: add PI_GEN_RELEASE (#720)

This is the text written to "/etc/issue.txt" by update_issue(). The default is the name used by official Raspberry Pi builds. Fixes #719
2023-10-23 14:11:43 +03:00
parent 0ef867e5eb
commit d966897395
3 changed files with 7 additions and 1 deletions
--- a/build.sh
+++ b/build.sh
@@ -194,6 +194,7 @@ trap term EXIT INT TERM

 export PI_GEN=${PI_GEN:-pi-gen}
 export PI_GEN_REPO=${PI_GEN_REPO:-https://github.com/RPi-Distro/pi-gen}
+export PI_GEN_RELEASE=${PI_GEN_RELEASE:-Raspberry Pi reference}

 if [ -z "${IMG_NAME}" ]; then
 	echo "IMG_NAME not set" 1>&2