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NAME | SYNOPSIS | DESCRIPTION | OPTIONS | TEMPORARY FILES | GIT | COLOPHON |
GIT-MERGETOOL(1) Git Manual GIT-MERGETOOL(1)
git-mergetool - Run merge conflict resolution tools to resolve merge
conflicts
git mergetool [--tool=<tool>] [-y | --[no-]prompt] [<file>...]
Use git mergetool to run one of several merge utilities to resolve
merge conflicts. It is typically run after git merge.
If one or more <file> parameters are given, the merge tool program
will be run to resolve differences on each file (skipping those
without conflicts). Specifying a directory will include all
unresolved files in that path. If no <file> names are specified, git
mergetool will run the merge tool program on every file with merge
conflicts.
-t <tool>, --tool=<tool>
Use the merge resolution program specified by <tool>. Valid
values include emerge, gvimdiff, kdiff3, meld, vimdiff, and
tortoisemerge. Run git mergetool --tool-help for the list of
valid <tool> settings.
If a merge resolution program is not specified, git mergetool
will use the configuration variable merge.tool. If the
configuration variable merge.tool is not set, git mergetool will
pick a suitable default.
You can explicitly provide a full path to the tool by setting the
configuration variable mergetool.<tool>.path. For example, you
can configure the absolute path to kdiff3 by setting
mergetool.kdiff3.path. Otherwise, git mergetool assumes the tool
is available in PATH.
Instead of running one of the known merge tool programs, git
mergetool can be customized to run an alternative program by
specifying the command line to invoke in a configuration variable
mergetool.<tool>.cmd.
When git mergetool is invoked with this tool (either through the
-t or --tool option or the merge.tool configuration variable) the
configured command line will be invoked with $BASE set to the
name of a temporary file containing the common base for the
merge, if available; $LOCAL set to the name of a temporary file
containing the contents of the file on the current branch;
$REMOTE set to the name of a temporary file containing the
contents of the file to be merged, and $MERGED set to the name of
the file to which the merge tool should write the result of the
merge resolution.
If the custom merge tool correctly indicates the success of a
merge resolution with its exit code, then the configuration
variable mergetool.<tool>.trustExitCode can be set to true.
Otherwise, git mergetool will prompt the user to indicate the
success of the resolution after the custom tool has exited.
--tool-help
Print a list of merge tools that may be used with --tool.
-y, --no-prompt
Don’t prompt before each invocation of the merge resolution
program. This is the default if the merge resolution program is
explicitly specified with the --tool option or with the
merge.tool configuration variable.
--prompt
Prompt before each invocation of the merge resolution program to
give the user a chance to skip the path.
-O<orderfile>
Process files in the order specified in the <orderfile>, which
has one shell glob pattern per line. This overrides the
diff.orderFile configuration variable (see git-config(1)). To
cancel diff.orderFile, use -O/dev/null.
git mergetool creates *.orig backup files while resolving merges.
These are safe to remove once a file has been merged and its git
mergetool session has completed.
Setting the mergetool.keepBackup configuration variable to false
causes git mergetool to automatically remove the backup as files are
successfully merged.
Part of the git(1) suite
This page is part of the git (Git distributed version control system)
project. Information about the project can be found at
⟨http://git-scm.com/⟩. If you have a bug report for this manual page,
see ⟨http://git-scm.com/community⟩. This page was obtained from the
project's upstream Git repository ⟨https://github.com/git/git.git⟩ on
2017-07-05. If you discover any rendering problems in this HTML ver‐
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information in this COLOPHON (which is not part of the original man‐
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Git 2.11.0.22.g8d7a455 12/10/2016 GIT-MERGETOOL(1)
Pages that refer to this page: git(1), git-config(1), git-difftool(1), git-gui(1), git-merge(1)