131 lines
4.4 KiB
Plaintext
131 lines
4.4 KiB
Plaintext
git-mergetool(1)
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================
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NAME
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----
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git-mergetool - Run merge conflict resolution tools to resolve merge conflicts
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SYNOPSIS
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--------
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[verse]
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'git mergetool' [--tool=<tool>] [-y | --[no-]prompt] [<file>...]
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DESCRIPTION
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-----------
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Use `git mergetool` to run one of several merge utilities to resolve
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merge conflicts. It is typically run after 'git merge'.
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If one or more <file> parameters are given, the merge tool program will
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be run to resolve differences in each file (skipping those without
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conflicts). Specifying a directory will include all unresolved files in
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that path. If no <file> names are specified, 'git mergetool' will run
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the merge tool program on every file with merge conflicts.
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OPTIONS
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-------
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-t <tool>::
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--tool=<tool>::
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Use the merge resolution program specified by <tool>.
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Valid values include emerge, gvimdiff, kdiff3,
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meld, vimdiff, and tortoisemerge. Run `git mergetool --tool-help`
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for the list of valid <tool> settings.
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+
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If a merge resolution program is not specified, 'git mergetool'
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will use the configuration variable `merge.tool`. If the
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configuration variable `merge.tool` is not set, 'git mergetool'
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will pick a suitable default.
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+
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You can explicitly provide a full path to the tool by setting the
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configuration variable `mergetool.<tool>.path`. For example, you
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can configure the absolute path to kdiff3 by setting
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`mergetool.kdiff3.path`. Otherwise, 'git mergetool' assumes the
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tool is available in PATH.
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+
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Instead of running one of the known merge tool programs,
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'git mergetool' can be customized to run an alternative program
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by specifying the command line to invoke in a configuration
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variable `mergetool.<tool>.cmd`.
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+
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When 'git mergetool' is invoked with this tool (either through the
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`-t` or `--tool` option or the `merge.tool` configuration
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variable), the configured command line will be invoked with `$BASE`
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set to the name of a temporary file containing the common base for
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the merge, if available; `$LOCAL` set to the name of a temporary
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file containing the contents of the file on the current branch;
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`$REMOTE` set to the name of a temporary file containing the
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contents of the file to be merged, and `$MERGED` set to the name
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of the file to which the merge tool should write the result of the
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merge resolution.
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+
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If the custom merge tool correctly indicates the success of a
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merge resolution with its exit code, then the configuration
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variable `mergetool.<tool>.trustExitCode` can be set to `true`.
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Otherwise, 'git mergetool' will prompt the user to indicate the
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success of the resolution after the custom tool has exited.
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--tool-help::
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Print a list of merge tools that may be used with `--tool`.
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-y::
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--no-prompt::
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Don't prompt before each invocation of the merge resolution
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program.
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This is the default if the merge resolution program is
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explicitly specified with the `--tool` option or with the
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`merge.tool` configuration variable.
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--prompt::
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Prompt before each invocation of the merge resolution program
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to give the user a chance to skip the path.
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-g::
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--gui::
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When 'git-mergetool' is invoked with the `-g` or `--gui` option,
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the default merge tool will be read from the configured
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`merge.guitool` variable instead of `merge.tool`. If
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`merge.guitool` is not set, we will fallback to the tool
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configured under `merge.tool`. This may be autoselected using
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the configuration variable `mergetool.guiDefault`.
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--no-gui::
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This overrides a previous `-g` or `--gui` setting or
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`mergetool.guiDefault` configuration and reads the default merge
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tool from the configured `merge.tool` variable.
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-O<orderfile>::
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Process files in the order specified in the
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<orderfile>, which has one shell glob pattern per line.
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This overrides the `diff.orderFile` configuration variable
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(see linkgit:git-config[1]). To cancel `diff.orderFile`,
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use `-O/dev/null`.
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CONFIGURATION
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-------------
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:git-mergetool: 1
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include::includes/cmd-config-section-all.adoc[]
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include::config/mergetool.adoc[]
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TEMPORARY FILES
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---------------
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`git mergetool` creates `*.orig` backup files while resolving merges.
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These are safe to remove once a file has been merged and its
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`git mergetool` session has completed.
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Setting the `mergetool.keepBackup` configuration variable to `false`
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causes `git mergetool` to automatically remove the backup files as files
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are successfully merged.
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BACKEND SPECIFIC HINTS
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----------------------
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vimdiff
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~~~~~~~
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include::mergetools/vimdiff.adoc[]
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GIT
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---
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Part of the linkgit:git[1] suite
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