From 79c9c0747e876c0b97a4fb3fe91fa9825e462722 Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Sun, 15 Nov 2020 16:25:57 +0100
Subject: Add a dry run mode.

---
 dotbot/plugins/shell.py | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

(limited to 'dotbot/plugins/shell.py')

diff --git a/dotbot/plugins/shell.py b/dotbot/plugins/shell.py
index f0121e6..75d4dca 100644
--- a/dotbot/plugins/shell.py
+++ b/dotbot/plugins/shell.py
@@ -11,7 +11,7 @@ class Shell(dotbot.Plugin):
 
     _directive = 'shell'
 
-    def handle(self, directive, data):
+    def handle(self, directive, data, dry_run):
         success = True
         defaults = self._context.defaults().get('shell', {})
         for item in data:
@@ -38,6 +38,10 @@ class Shell(dotbot.Plugin):
                 self._log.info('%s' % msg)
             else:
                 self._log.info('%s [%s]' % (msg, cmd))
+
+            if dry_run:
+                continue
+
             ret = dotbot.util.shell_command(
                 cmd,
                 cwd=self._context.base_directory(),
@@ -48,8 +52,13 @@ class Shell(dotbot.Plugin):
             if ret != 0:
                 success = False
                 self._log.warning('Command [%s] failed' % cmd)
-        if success:
+
+        if dry_run:
+            self._log.verbose('shell/dry run: commands not executed')
+            success = False
+        elif success:
             self._log.verbose('All commands have been executed')
         else:
             self._log.error('Some commands were not successfully executed')
+
         return success
-- 
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