[PATCH 04 of 10 shelve-ext v3] shelve: add a function to check whether obs-based shelve is enabled

Kostia Balytskyi ikostia at fb.com
Fri Feb 3 05:54:48 EST 2017


# HG changeset patch
# User Kostia Balytskyi <ikostia at fb.com>
# Date 1484740179 28800
#      Wed Jan 18 03:49:39 2017 -0800
# Node ID ceb709491816f84789b77a18bfcab15eaa9860fe
# Parent  249273f6db8bf0fdfbbf36bcbd9e3553e5715212
shelve: add a function to check whether obs-based shelve is enabled

A central place to check whether code should use traditional or
obsolescense-based shelve behavior.

diff --git a/hgext/shelve.py b/hgext/shelve.py
--- a/hgext/shelve.py
+++ b/hgext/shelve.py
@@ -40,6 +40,7 @@ from mercurial import (
     mdiff,
     merge,
     node as nodemod,
+    obsolete,
     patch,
     phases,
     repair,
@@ -70,6 +71,18 @@ patchextension = 'patch'
 # generic user for all shelve operations
 shelveuser = 'shelve at localhost'
 
+def isobsshelve(repo, ui):
+    """Check whether obsolescense-based shelve is enabled"""
+    obsshelve = ui.configbool('experimental', 'obsshelve')
+    if not obsshelve:
+        return False
+    if not obsolete.isenabled(repo, obsolete.createmarkersopt):
+        w = _('ignoring experimental.obsshelve because createmarkers option '
+              'is disabled')
+        ui.warn(w)
+        return False
+    return True
+
 class obsshelvefile(scmutil.simplekeyvaluefile):
     KEYS = [('node', True)]
 


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