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authorDerrick Stolee <dstolee@microsoft.com>2019-06-18 13:25:26 -0700
committerJunio C Hamano <gitster@pobox.com>2019-06-21 09:38:29 -0700
commitcdbd70c43773d534aa81ea2c83905a45ff0e74e4 (patch)
treeb033228d791fe81fc2b235bf044957a9658e1b6a /Documentation/fetch-options.txt
parenta6a95cd1b46e48e5fe06bdbb0839a67ebeef4682 (diff)
downloadgit-cdbd70c43773d534aa81ea2c83905a45ff0e74e4.tar.gz
fetch: add --[no-]show-forced-updates argument
After updating a set of remove refs during a 'git fetch', we walk the commits in the new ref value and not in the old ref value to discover if the update was a forced update. This results in two things happening during the command: 1. The line including the ref update has an additional "(forced-update)" marker at the end. 2. The ref log for that remote branch includes a bit saying that update is a forced update. For many situations, this forced-update message happens infrequently, or is a small bit of information among many ref updates. Many users ignore these messages, but the calculation required here slows down their fetches significantly. Keep in mind that they do not have the opportunity to calculate a commit-graph file containing the newly-fetched commits, so these comparisons can be very slow. Add a '--[no-]show-forced-updates' option that allows a user to skip this calculation. The only permanent result is dropping the forced-update bit in the reflog. Include a new fetch.showForcedUpdates config setting that allows this behavior without including the argument in every command. The config setting is overridden by the command-line arguments. Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'Documentation/fetch-options.txt')
-rw-r--r--Documentation/fetch-options.txt13
1 files changed, 13 insertions, 0 deletions
diff --git a/Documentation/fetch-options.txt b/Documentation/fetch-options.txt
index 91c47752ec..5801d23ae4 100644
--- a/Documentation/fetch-options.txt
+++ b/Documentation/fetch-options.txt
@@ -221,6 +221,19 @@ endif::git-pull[]
When multiple `--server-option=<option>` are given, they are all
sent to the other side in the order listed on the command line.
+--show-forced-updates::
+ By default, git checks if a branch is force-updated during
+ fetch. This can be disabled through fetch.showForcedUpdates, but
+ the --show-forced-updates option guarantees this check occurs.
+ See linkgit:git-config[1].
+
+--no-show-forced-updates::
+ By default, git checks if a branch is force-updated during
+ fetch. Pass --no-show-forced-updates or set fetch.showForcedUpdates
+ to false to skip this check for performance reasons. If used during
+ 'git-pull' the --ff-only option will still check for forced updates
+ before attempting a fast-forward update. See linkgit:git-config[1].
+
-4::
--ipv4::
Use IPv4 addresses only, ignoring IPv6 addresses.