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-rw-r--r--arch-nspawn.in6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch-nspawn.in b/arch-nspawn.in
index bde77b6..7dcd8ca 100644
--- a/arch-nspawn.in
+++ b/arch-nspawn.in
@@ -96,6 +96,12 @@ eval $(grep '^CARCH=' "$working_dir/etc/makepkg.conf")
machine_name="${working_dir//[![:alnum:]_-]/-}"
machine_name="${machine_name#-}"
+#HOST_NAME_MAX="$(printf '%s\n' '#include <limits.h>' 'HOST_NAME_MAX'|cpp -|sed -n '$p')"
+HOST_NAME_MAX=64
+if [[ ${#machine_name} -gt "$HOST_NAME_MAX" ]]; then
+ machine_name="${machine_name:(-${HOST_NAME_MAX})}"
+ machine_name="${machine_name#-}"
+fi
exec ${CARCH:+setarch "$CARCH"} systemd-nspawn \
-D "$working_dir" \