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-rw-r--r--Documentation/git-merge.txt25
1 files changed, 22 insertions, 3 deletions
diff --git a/Documentation/git-merge.txt b/Documentation/git-merge.txt
index 1f94908e3c..689aa4c57c 100644
--- a/Documentation/git-merge.txt
+++ b/Documentation/git-merge.txt
@@ -10,7 +10,7 @@ SYNOPSIS
--------
[verse]
'git merge' [-n] [--stat] [--no-commit] [--squash] [--[no-]edit]
- [-s <strategy>] [-X <strategy-option>] [-S[<key-id>]]
+ [-s <strategy>] [-X <strategy-option>] [-S[<keyid>]]
[--[no-]rerere-autoupdate] [-m <msg>] [<commit>...]
'git merge' <msg> HEAD <commit>...
'git merge' --abort
@@ -67,7 +67,9 @@ include::merge-options.txt[]
-S[<keyid>]::
--gpg-sign[=<keyid>]::
- GPG-sign the resulting merge commit.
+ GPG-sign the resulting merge commit. The `keyid` argument is
+ optional and defaults to the committer identity; if specified,
+ it must be stuck to the option without a space.
-m <msg>::
Set the commit message to be used for the merge commit (in
@@ -78,7 +80,7 @@ will be appended to the specified message.
+
The 'git fmt-merge-msg' command can be
used to give a good default for automated 'git merge'
-invocations.
+invocations. The automated message can include the branch description.
--[no-]rerere-autoupdate::
Allow the rerere mechanism to update the index with the
@@ -96,6 +98,19 @@ commit or stash your changes before running 'git merge'.
'git merge --abort' is equivalent to 'git reset --merge' when
`MERGE_HEAD` is present.
+--allow-unrelated-histories::
+ By default, `git merge` command refuses to merge histories
+ that do not share a common ancestor. This option can be
+ used to override this safety when merging histories of two
+ projects that started their lives independently. As that is
+ a very rare occasion, no configuration variable to enable
+ this by default exists and will not be added, and the list
+ of options at the top of this documentation does not mention
+ this option. Also `git pull` does not pass this option down
+ to `git merge` (instead, you `git fetch` first, examine what
+ you will be merging and then `git merge` locally with this
+ option).
+
<commit>...::
Commits, usually other branch heads, to merge into our branch.
Specifying more than one commit will create a merge with
@@ -104,6 +119,10 @@ commit or stash your changes before running 'git merge'.
If no commit is given from the command line, merge the remote-tracking
branches that the current branch is configured to use as its upstream.
See also the configuration section of this manual page.
++
+When `FETCH_HEAD` (and no other commit) is specified, the branches
+recorded in the `.git/FETCH_HEAD` file by the previous invocation
+of `git fetch` for merging are merged to the current branch.
PRE-MERGE CHECKS