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redo-if{change,create}: print a useful message if REDO isn't set.

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Again, I forgot to make vars.py not crash if the variables aren't set, so we
can print a useful error message.  But this time I have the right solution:
vars.py will do the checking for itself, and abort with a nice message.
This commit is contained in:
Avery Pennarun 2010-11-22 02:45:00 -08:00
commit dd937d6102
3 changed files with 6 additions and 8 deletions
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6
vars.py
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@ -1,6 +1,12 @@
import os
import atoi
if not os.environ.get('REDO'):
import sys
sys.stderr.write('%s: error: must be run from inside a .do\n'
% sys.argv[0])
sys.exit(100)
PWD = os.environ.get('REDO_PWD', '')
TARGET = os.environ.get('REDO_TARGET', '')
DEPTH = os.environ.get('REDO_DEPTH', '')