diff options
| -rw-r--r-- | buildtools/wafsamba/samba_utils.py | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/buildtools/wafsamba/samba_utils.py b/buildtools/wafsamba/samba_utils.py index cb055043a7..7c0f4644ab 100644 --- a/buildtools/wafsamba/samba_utils.py +++ b/buildtools/wafsamba/samba_utils.py @@ -298,14 +298,23 @@ def mkdir_p(dir): os.mkdir(dir) +def SUBST_VARS_RECURSIVE(string, env): + '''recursively expand variables''' + if string is None: + return string + limit=100 + while (string.find('${') != -1 and limit > 0): + string = Utils.subst_vars(string, env) + limit -= 1 + return string + + def RUN_COMMAND(cmd, env=None, shell=False): '''run a external command, return exit code or signal''' - # recursively expand variables if env: - while cmd.find('${') != -1: - cmd = Utils.subst_vars(cmd, env) + cmd = SUBST_VARS_RECURSIVE(cmd, env) status = os.system(cmd) if os.WIFEXITED(status): |