From e7c427461d3b12ac3feff3e6eb1c7bb92194b63d Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Wed, 3 Apr 2024 04:38:22 +0000
Subject: project: custom cfgdefs.sh: added --with-default-sys-path support.

---
 project/config/cfgdefs.sh | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

(limited to 'project/config/cfgdefs.sh')

diff --git a/project/config/cfgdefs.sh b/project/config/cfgdefs.sh
index 2ff7631..a4e859f 100644
--- a/project/config/cfgdefs.sh
+++ b/project/config/cfgdefs.sh
@@ -17,10 +17,27 @@
 
 for arg ; do
 	case "$arg" in
+		--with-default-sys-path=*)
+			cfgdefs_default_sys_path=${arg##*=}
+			;;
 		*)
 			error_msg ${arg#}: "unsupported config argument."
 			exit 2
 	esac
+
+	case "${cfgdefs_default_sys_path:-empty}" in
+		/*)
+			;;
+
+		empty)
+			error_msg "$mb_script: --with-default-sys-path: empty paths are not allowed."
+			exit 2
+			;;
+
+		*)
+			error_msg "$mb_script: --with-default-sys-path: relative paths are not allowed."
+			exit 2
+	esac
 done
 
 
@@ -121,7 +138,12 @@ cfgdefs_bootstrap()
 
 cfgdefs_output_custom_defs()
 {
-	cat "$mb_project_dir/project/config/cfgdefs.in" > cfgdefs.mk
+	cfgdefs_default_sys_path="${cfgdefs_default_sys_path:-/usr/share/mk}"
+
+	sed                                                                       \
+		-e 's#@cfgdefs_default_sys_path@#'"$cfgdefs_default_sys_path"'#g' \
+			"$mb_project_dir/project/config/cfgdefs.in"               \
+		> cfgdefs.mk
 }
 
 
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