# HG changeset patch
# User Joerg Sonnenberger <joerg@bec.de>
# Date 2018-04-17 01:07:01
# Node ID 6a7ff5816c5f182e535466972ba080c0c0118f63
# Parent  5527aa808dea5bc7b53d6f1f3afd450af6bbaf10

bundle: introduce per-engine compression level

If experimental.bundlecomplevel.$engine is set, prefer it over the
generic experimental.bundlecomplevel. Given that compression levels have
widely different meanings across engines, this allows much saner
configuration.

Differential Revision: https://phab.mercurial-scm.org/D3393

diff --git a/mercurial/commands.py b/mercurial/commands.py
--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -1260,7 +1260,10 @@ def bundle(ui, repo, fname, dest=None, *
     # level without a) formalizing the bundlespec changes to declare it
     # b) introducing a command flag.
     compopts = {}
-    complevel = ui.configint('experimental', 'bundlecomplevel')
+    complevel = ui.configint('experimental',
+                             'bundlecomplevel.' + bundlespec.compression)
+    if complevel is None:
+        complevel = ui.configint('experimental', 'bundlecomplevel')
     if complevel is not None:
         compopts['level'] = complevel
 
diff --git a/mercurial/configitems.py b/mercurial/configitems.py
--- a/mercurial/configitems.py
+++ b/mercurial/configitems.py
@@ -440,6 +440,18 @@ coreconfigitem('experimental', 'bundle2l
 coreconfigitem('experimental', 'bundlecomplevel',
     default=None,
 )
+coreconfigitem('experimental', 'bundlecomplevel.bzip2',
+    default=None,
+)
+coreconfigitem('experimental', 'bundlecomplevel.gzip',
+    default=None,
+)
+coreconfigitem('experimental', 'bundlecomplevel.none',
+    default=None,
+)
+coreconfigitem('experimental', 'bundlecomplevel.zstd',
+    default=None,
+)
 coreconfigitem('experimental', 'changegroup3',
     default=False,
 )
diff --git a/tests/test-bundle-type.t b/tests/test-bundle-type.t
--- a/tests/test-bundle-type.t
+++ b/tests/test-bundle-type.t
@@ -154,6 +154,11 @@ Compression level can be adjusted for bu
   $ f --size gzip-v2-level1.hg
   gzip-v2-level1.hg: size=475
 
+  $ hg --config experimental.bundlecomplevel.gzip=1 --config experimental.bundlelevel=9 bundle -a -t gzip-v2 gzip-v2-level1.hg
+  1 changesets found
+  $ f --size gzip-v2-level1.hg
+  gzip-v2-level1.hg: size=475
+
   $ cd ..
 
 #if zstd