6eb1d20b68
* gnu/packages/admin.scm (debops): New variable. * gnu/packages/patches/debops-constants-for-external-program-names.patch, gnu/packages/patches/debops-debops-defaults-fall-back-to-less.patch: New files. * gnu/local.mk: Add them.
45 lines
1.6 KiB
Diff
45 lines
1.6 KiB
Diff
From 5059daf8bd59a83f520c14731173ea76ce8b8661 Mon Sep 17 00:00:00 2001
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From: Hartmut Goebel <h.goebel@crazy-compilers.com>
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Date: Sun, 8 Sep 2019 13:09:15 +0200
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Subject: [PATCH] [debops-defaults] If `view` is not available, try less, etc.
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---
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bin/debops-defaults | 21 +++++++++++++++------
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1 file changed, 15 insertions(+), 6 deletions(-)
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diff --git a/bin/debops-defaults b/bin/debops-defaults
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index 9dd87fe0a..3e3db4c41 100755
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--- a/bin/debops-defaults
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+++ b/bin/debops-defaults
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@@ -96,13 +96,22 @@ def main(role_list):
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config = read_config(project_root)
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playbooks_path = find_playbookpath(config, project_root, required=True)
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- # Make sure required commands are present
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- require_commands('view')
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-
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- if sys.stdout.isatty():
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+ # Check if one of the output commands is present
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+ sys.stdout = io.BytesIO() # suppress error message, if any
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+ for cmd_args in (('view', '+set ft=yaml', '-'),
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+ ('less', '-'),
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+ ('more', '-')):
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+ try:
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+ require_commands(cmd_args[0])
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+ break
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+ except SystemExit:
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+ # this command was not found
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+ cmd_args = None
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+ sys.stdout = sys.__stdout__
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+
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+ if cmd_args and sys.stdout.isatty():
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# if script is run as standalone, redirect to view
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- view = subprocess.Popen(['view', '+set ft=yaml', '-'],
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- stdin=subprocess.PIPE)
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+ view = subprocess.Popen(cmd_args, stdin=subprocess.PIPE)
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try:
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aggregate_defaults(playbooks_path, role_list, view.stdin)
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except IOError as e:
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--
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2.21.0
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