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From 5059daf8bd59a83f520c14731173ea76ce8b8661 Mon Sep 17 00:00:00 2001
From: Hartmut Goebel <h.goebel@crazy-compilers.com>
Date: Sun, 8 Sep 2019 13:09:15 +0200
Subject: [PATCH] [debops-defaults] If `view` is not available, try less, etc.
---
bin/debops-defaults | 21 +++++++++++++++------
1 file changed, 15 insertions(+), 6 deletions(-)
diff --git a/bin/debops-defaults b/bin/debops-defaults
index 9dd87fe0a..3e3db4c41 100755
--- a/bin/debops-defaults
+++ b/bin/debops-defaults
@@ -96,13 +96,22 @@ def main(role_list):
config = read_config(project_root)
playbooks_path = find_playbookpath(config, project_root, required=True)
- # Make sure required commands are present
- require_commands('view')
-
- if sys.stdout.isatty():
+ # Check if one of the output commands is present
+ sys.stdout = io.BytesIO() # suppress error message, if any
+ for cmd_args in (('view', '+set ft=yaml', '-'),
+ ('less', '-'),
+ ('more', '-')):
+ try:
+ require_commands(cmd_args[0])
+ break
+ except SystemExit:
+ # this command was not found
+ cmd_args = None
+ sys.stdout = sys.__stdout__
+
+ if cmd_args and sys.stdout.isatty():
# if script is run as standalone, redirect to view
- view = subprocess.Popen(['view', '+set ft=yaml', '-'],
- stdin=subprocess.PIPE)
+ view = subprocess.Popen(cmd_args, stdin=subprocess.PIPE)
try:
aggregate_defaults(playbooks_path, role_list, view.stdin)
except IOError as e:
--
2.21.0
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