fix(autobuild): add doas as privilege escalation fallback

Alpine Linux deprecated sudo in favor of doas. Add doas support to
exec_privileged() so autobuild works on Alpine without requiring users
to install and configure sudo.

Fixes #323

1 files changed, 3 insertions, 1 deletions

diff --git a/server/autobuild b/server/autobuild
index beef702..6166c62 100755
--- a/server/autobuild
+++ b/server/autobuild
@@ -95,10 +95,12 @@ exec_privileged() {
         retval=$?
         sudo -k
         return $retval
+    elif which doas >/dev/null 2>&1; then
+        doas -- "$@"
     elif which su >/dev/null 2>&1; then
         su -c "$(quote "$@")"
     else
-        echo "No such program: sudo or su"
+        echo "No such program: sudo, doas or su"
         exit 1
     fi
 }