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| -rw-r--r-- | arch-nspawn.in | 6 |
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" \ |