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diff --git a/Documentation/git-mergetool.txt b/Documentation/git-mergetool.txt new file mode 100644 index 000000000000..6b14702e7849 --- /dev/null +++ b/Documentation/git-mergetool.txt @@ -0,0 +1,114 @@ +git-mergetool(1) +================ + +NAME +---- +git-mergetool - Run merge conflict resolution tools to resolve merge conflicts + +SYNOPSIS +-------- +[verse] +'git mergetool' [--tool=<tool>] [-y | --[no-]prompt] [<file>...] + +DESCRIPTION +----------- + +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. + +OPTIONS +------- +-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. + +-g:: +--gui:: + When 'git-mergetool' is invoked with the `-g` or `--gui` option + the default merge tool will be read from the configured + `merge.guitool` variable instead of `merge.tool`. If + `merge.guitool` is not set, we will fallback to the tool + configured under `merge.tool`. + +--no-gui:: + This overrides a previous `-g` or `--gui` setting and reads the + default merge tool will be read from the configured `merge.tool` + variable. + +-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 linkgit:git-config[1]). To cancel `diff.orderFile`, + use `-O/dev/null`. + +TEMPORARY FILES +--------------- +`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. + +GIT +--- +Part of the linkgit:git[1] suite |