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GIT-MERGE(1)                                Git Manual                               GIT-MERGE(1)

NAME
       git-merge - Join two or more development histories together

SYNOPSIS
       git merge [-n] [--stat] [--no-commit] [--squash] [--[no-]edit]
               [--no-verify] [-s <strategy>] [-X <strategy-option>] [-S[<keyid>]]
               [--[no-]allow-unrelated-histories]
               [--[no-]rerere-autoupdate] [-m <msg>] [-F <file>] [<commit>...]
       git merge (--continue | --abort | --quit)

DESCRIPTION
       Incorporates changes from the named commits (since the time their histories diverged from
       the current branch) into the current branch. This command is used by git pull to
       incorporate changes from another repository and can be used by hand to merge changes from
       one branch into another.

       Assume the following history exists and the current branch is "master":

                     A---B---C topic
                    /
               D---E---F---G master

       Then "git merge topic" will replay the changes made on the topic branch since it diverged
       from master (i.e., E) until its current commit (C) on top of master, and record the result
       in a new commit along with the names of the two parent commits and a log message from the
       user describing the changes.

                     A---B---C topic
                    /         \
               D---E---F---G---H master

       The second syntax ("git merge --abort") can only be run after the merge has resulted in
       conflicts. git merge --abort will abort the merge process and try to reconstruct the
       pre-merge state. However, if there were uncommitted changes when the merge started (and
       especially if those changes were further modified after the merge was started), git merge
       --abort will in some cases be unable to reconstruct the original (pre-merge) changes.
       Therefore:

       Warning: Running git merge with non-trivial uncommitted changes is discouraged: while
       possible, it may leave you in a state that is hard to back out of in the case of a
       conflict.

       The third syntax ("git merge --continue") can only be run after the merge has resulted in
       conflicts.

OPTIONS
       --commit, --no-commit
           Perform the merge and commit the result. This option can be used to override
           --no-commit.

           With --no-commit perform the merge and stop just before creating a merge commit, to
           give the user a chance to inspect and further tweak the merge result before
           committing.

           Note that fast-forward updates do not create a merge commit and therefore there is no
           way to stop those merges with --no-commit. Thus, if you want to ensure your branch is
           not changed or updated by the merge command, use --no-ff with --no-commit.

       --edit, -e, --no-edit
           Invoke an editor before committing successful mechanical merge to further edit the
           auto-generated merge message, so that the user can explain and justify the merge. The
           --no-edit option can be used to accept the auto-generated message (this is generally
           discouraged). The --edit (or -e) option is still useful if you are giving a draft
           message with the -m option from the command line and want to edit it in the editor.

           Older scripts may depend on the historical behaviour of not allowing the user to edit
           the merge log message. They will see an editor opened when they run git merge. To make
           it easier to adjust such scripts to the updated behaviour, the environment variable
           GIT_MERGE_AUTOEDIT can be set to no at the beginning of them.

       --cleanup=<mode>
           This option determines how the merge message will be cleaned up before committing. See
           git-commit(1) for more details. In addition, if the <mode> is given a value of
           scissors, scissors will be appended to MERGE_MSG before being passed on to the commit
           machinery in the case of a merge conflict.

       --ff, --no-ff, --ff-only
           Specifies how a merge is handled when the merged-in history is already a descendant of
           the current history.  --ff is the default unless merging an annotated (and possibly
           signed) tag that is not stored in its natural place in the refs/tags/ hierarchy, in
           which case --no-ff is assumed.

           With --ff, when possible resolve the merge as a fast-forward (only update the branch
           pointer to match the merged branch; do not create a merge commit). When not possible
           (when the merged-in history is not a descendant of the current history), create a
           merge commit.

           With --no-ff, create a merge commit in all cases, even when the merge could instead be
           resolved as a fast-forward.

           With --ff-only, resolve the merge as a fast-forward when possible. When not possible,
           refuse to merge and exit with a non-zero status.

       -S[<keyid>], --gpg-sign[=<keyid>], --no-gpg-sign
           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.
           --no-gpg-sign is useful to countermand both commit.gpgSign configuration variable, and
           earlier --gpg-sign.

       --log[=<n>], --no-log
           In addition to branch names, populate the log message with one-line descriptions from
           at most <n> actual commits that are being merged. See also git-fmt-merge-msg(1).

           With --no-log do not list one-line descriptions from the actual commits being merged.

       --signoff, --no-signoff
           Add a Signed-off-by trailer by the committer at the end of the commit log message. The
           meaning of a signoff depends on the project to which you're committing. For example,
           it may certify that the committer has the rights to submit the work under the
           project's license or agrees to some contributor representation, such as a Developer
           Certificate of Origin. (See http://developercertificate.org for the one used by the
           Linux kernel and Git projects.) Consult the documentation or leadership of the project
           to which you're contributing to understand how the signoffs are used in that project.

           The --no-signoff option can be used to countermand an earlier --signoff option on the
           command line.

       --stat, -n, --no-stat
           Show a diffstat at the end of the merge. The diffstat is also controlled by the
           configuration option merge.stat.

           With -n or --no-stat do not show a diffstat at the end of the merge.

       --squash, --no-squash
           Produce the working tree and index state as if a real merge happened (except for the
           merge information), but do not actually make a commit, move the HEAD, or record
           $GIT_DIR/MERGE_HEAD (to cause the next git commit command to create a merge commit).
           This allows you to create a single commit on top of the current branch whose effect is
           the same as merging another branch (or more in case of an octopus).

           With --no-squash perform the merge and commit the result. This option can be used to
           override --squash.

           With --squash, --commit is not allowed, and will fail.

       --[no-]verify
           By default, the pre-merge and commit-msg hooks are run. When --no-verify is given,
           these are bypassed. See also githooks(5).

       -s <strategy>, --strategy=<strategy>
           Use the given merge strategy; can be supplied more than once to specify them in the
           order they should be tried. If there is no -s option, a built-in list of strategies is
           used instead (ort when merging a single head, octopus otherwise).

       -X <option>, --strategy-option=<option>
           Pass merge strategy specific option through to the merge strategy.

       --verify-signatures, --no-verify-signatures
           Verify that the tip commit of the side branch being merged is signed with a valid key,
           i.e. a key that has a valid uid: in the default trust model, this means the signing
           key has been signed by a trusted key. If the tip commit of the side branch is not
           signed with a valid key, the merge is aborted.

       --summary, --no-summary
           Synonyms to --stat and --no-stat; these are deprecated and will be removed in the
           future.

       -q, --quiet
           Operate quietly. Implies --no-progress.

       -v, --verbose
           Be verbose.

       --progress, --no-progress
           Turn progress on/off explicitly. If neither is specified, progress is shown if
           standard error is connected to a terminal. Note that not all merge strategies may
           support progress reporting.

       --autostash, --no-autostash
           Automatically create a temporary stash entry before the operation begins, record it in
           the special ref MERGE_AUTOSTASH and apply it after the operation ends. This means that
           you can run the operation on a dirty worktree. However, use with care: the final stash
           application after a successful merge might result in non-trivial conflicts.

       --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.

       -m <msg>
           Set the commit message to be used for the merge commit (in case one is created).

           If --log is specified, a shortlog of the commits being merged 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. The automated message can include the branch description.

       -F <file>, --file=<file>
           Read the commit message to be used for the merge commit (in case one is created).

           If --log is specified, a shortlog of the commits being merged will be appended to the
           specified message.

       --rerere-autoupdate, --no-rerere-autoupdate
           Allow the rerere mechanism to update the index with the result of auto-conflict
           resolution if possible.

       --overwrite-ignore, --no-overwrite-ignore
           Silently overwrite ignored files from the merge result. This is the default behavior.
           Use --no-overwrite-ignore to abort.

       --abort
           Abort the current conflict resolution process, and try to reconstruct the pre-merge
           state. If an autostash entry is present, apply it to the worktree.

           If there were uncommitted worktree changes present when the merge started, git merge
           --abort will in some cases be unable to reconstruct these changes. It is therefore
           recommended to always commit or stash your changes before running git merge.

           git merge --abort is equivalent to git reset --merge when MERGE_HEAD is present unless
           MERGE_AUTOSTASH is also present in which case git merge --abort applies the stash
           entry to the worktree whereas git reset --merge will save the stashed changes in the
           stash list.

       --quit
           Forget about the current merge in progress. Leave the index and the working tree
           as-is. If MERGE_AUTOSTASH is present, the stash entry will be saved to the stash list.

       --continue
           After a git merge stops due to conflicts you can conclude the merge by running git
           merge --continue (see "HOW TO RESOLVE CONFLICTS" section below).

       <commit>...
           Commits, usually other branch heads, to merge into our branch. Specifying more than
           one commit will create a merge with more than two parents (affectionately called an
           Octopus 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
       Before applying outside changes, you should get your own work in good shape and committed
       locally, so it will not be clobbered if there are conflicts. See also git-stash(1). git
       pull and git merge will stop without doing anything when local uncommitted changes overlap
       with files that git pull/git merge may need to update.

       To avoid recording unrelated changes in the merge commit, git pull and git merge will also
       abort if there are any changes registered in the index relative to the HEAD commit.
       (Special narrow exceptions to this rule may exist depending on which merge strategy is in
       use, but generally, the index must match HEAD.)

       If all named commits are already ancestors of HEAD, git merge will exit early with the
       message "Already up to date."

FAST-FORWARD MERGE
       Often the current branch head is an ancestor of the named commit. This is the most common
       case especially when invoked from git pull: you are tracking an upstream repository, you
       have committed no local changes, and now you want to update to a newer upstream revision.
       In this case, a new commit is not needed to store the combined history; instead, the HEAD
       (along with the index) is updated to point at the named commit, without creating an extra
       merge commit.

       This behavior can be suppressed with the --no-ff option.

TRUE MERGE
       Except in a fast-forward merge (see above), the branches to be merged must be tied
       together by a merge commit that has both of them as its parents.

       A merged version reconciling the changes from all branches to be merged is committed, and
       your HEAD, index, and working tree are updated to it. It is possible to have modifications
       in the working tree as long as they do not overlap; the update will preserve them.

       When it is not obvious how to reconcile the changes, the following happens:

        1. The HEAD pointer stays the same.

        2. The MERGE_HEAD ref is set to point to the other branch head.

        3. Paths that merged cleanly are updated both in the index file and in your working tree.

        4. For conflicting paths, the index file records up to three versions: stage 1 stores the
           version from the common ancestor, stage 2 from HEAD, and stage 3 from MERGE_HEAD (you
           can inspect the stages with git ls-files -u). The working tree files contain the
           result of the "merge" program; i.e. 3-way merge results with familiar conflict markers
           <<< === >>>.

        5. No other changes are made. In particular, the local modifications you had before you
           started merge will stay the same and the index entries for them stay as they were,
           i.e. matching HEAD.

       If you tried a merge which resulted in complex conflicts and want to start over, you can
       recover with git merge --abort.

MERGING TAG
       When merging an annotated (and possibly signed) tag, Git always creates a merge commit
       even if a fast-forward merge is possible, and the commit message template is prepared with
       the tag message. Additionally, if the tag is signed, the signature check is reported as a
       comment in the message template. See also git-tag(1).

       When you want to just integrate with the work leading to the commit that happens to be
       tagged, e.g. synchronizing with an upstream release point, you may not want to make an
       unnecessary merge commit.

       In such a case, you can "unwrap" the tag yourself before feeding it to git merge, or pass
       --ff-only when you do not have any work on your own. e.g.

           git fetch origin
           git merge v1.2.3^0
           git merge --ff-only v1.2.3

HOW CONFLICTS ARE PRESENTED
       During a merge, the working tree files are updated to reflect the result of the merge.
       Among the changes made to the common ancestor's version, non-overlapping ones (that is,
       you changed an area of the file while the other side left that area intact, or vice versa)
       are incorporated in the final result verbatim. When both sides made changes to the same
       area, however, Git cannot randomly pick one side over the other, and asks you to resolve
       it by leaving what both sides did to that area.

       By default, Git uses the same style as the one used by the "merge" program from the RCS
       suite to present such a conflicted hunk, like this:

           Here are lines that are either unchanged from the common
           ancestor, or cleanly resolved because only one side changed.
           <<<<<<< yours:sample.txt
           Conflict resolution is hard;
           let's go shopping.
           =======
           Git makes conflict resolution easy.
           >>>>>>> theirs:sample.txt
           And here is another line that is cleanly resolved or unmodified.

       The area where a pair of conflicting changes happened is marked with markers <<<<<<<,
       =======, and >>>>>>>. The part before the ======= is typically your side, and the part
       afterwards is typically their side.

       The default format does not show what the original said in the conflicting area. You
       cannot tell how many lines are deleted and replaced with Barbie's remark on your side. The
       only thing you can tell is that your side wants to say it is hard and you'd prefer to go
       shopping, while the other side wants to claim it is easy.

       An alternative style can be used by setting the "merge.conflictStyle" configuration
       variable to "diff3". In "diff3" style, the above conflict may look like this:

           Here are lines that are either unchanged from the common
           ancestor, or cleanly resolved because only one side changed.
           <<<<<<< yours:sample.txt
           Conflict resolution is hard;
           let's go shopping.
           |||||||
           Conflict resolution is hard.
           =======
           Git makes conflict resolution easy.
           >>>>>>> theirs:sample.txt
           And here is another line that is cleanly resolved or unmodified.

       In addition to the <<<<<<<, =======, and >>>>>>> markers, it uses another ||||||| marker
       that is followed by the original text. You can tell that the original just stated a fact,
       and your side simply gave in to that statement and gave up, while the other side tried to
       have a more positive attitude. You can sometimes come up with a better resolution by
       viewing the original.

HOW TO RESOLVE CONFLICTS
       After seeing a conflict, you can do two things:

       o   Decide not to merge. The only clean-ups you need are to reset the index file to the
           HEAD commit to reverse 2. and to clean up working tree changes made by 2. and 3.; git
           merge --abort can be used for this.

       o   Resolve the conflicts. Git will mark the conflicts in the working tree. Edit the files
           into shape and git add them to the index. Use git commit or git merge --continue to
           seal the deal. The latter command checks whether there is a (interrupted) merge in
           progress before calling git commit.

       You can work through the conflict with a number of tools:

       o   Use a mergetool.  git mergetool to launch a graphical mergetool which will work you
           through the merge.

       o   Look at the diffs.  git diff will show a three-way diff, highlighting changes from
           both the HEAD and MERGE_HEAD versions.

       o   Look at the diffs from each branch.  git log --merge -p <path> will show diffs first
           for the HEAD version and then the MERGE_HEAD version.

       o   Look at the originals.  git show :1:filename shows the common ancestor, git show
           :2:filename shows the HEAD version, and git show :3:filename shows the MERGE_HEAD
           version.

EXAMPLES
       o   Merge branches fixes and enhancements on top of the current branch, making an octopus
           merge:

               $ git merge fixes enhancements

       o   Merge branch obsolete into the current branch, using ours merge strategy:

               $ git merge -s ours obsolete

       o   Merge branch maint into the current branch, but do not make a new commit
           automatically:

               $ git merge --no-commit maint

           This can be used when you want to include further changes to the merge, or want to
           write your own merge commit message.

           You should refrain from abusing this option to sneak substantial changes into a merge
           commit. Small fixups like bumping release/version name would be acceptable.

MERGE STRATEGIES
       The merge mechanism (git merge and git pull commands) allows the backend merge strategies
       to be chosen with -s option. Some strategies can also take their own options, which can be
       passed by giving -X<option> arguments to git merge and/or git pull.

       ort
           This is the default merge strategy when pulling or merging one branch. This strategy
           can only resolve two heads using a 3-way merge algorithm. When there is more than one
           common ancestor that can be used for 3-way merge, it creates a merged tree of the
           common ancestors and uses that as the reference tree for the 3-way merge. This has
           been reported to result in fewer merge conflicts without causing mismerges by tests
           done on actual merge commits taken from Linux 2.6 kernel development history.
           Additionally this strategy can detect and handle merges involving renames. It does not
           make use of detected copies. The name for this algorithm is an acronym ("Ostensibly
           Recursive's Twin") and came from the fact that it was written as a replacement for the
           previous default algorithm, recursive.

           The ort strategy can take the following options:

           ours
               This option forces conflicting hunks to be auto-resolved cleanly by favoring our
               version. Changes from the other tree that do not conflict with our side are
               reflected in the merge result. For a binary file, the entire contents are taken
               from our side.

               This should not be confused with the ours merge strategy, which does not even look
               at what the other tree contains at all. It discards everything the other tree did,
               declaring our history contains all that happened in it.

           theirs
               This is the opposite of ours; note that, unlike ours, there is no theirs merge
               strategy to confuse this merge option with.

           ignore-space-change, ignore-all-space, ignore-space-at-eol, ignore-cr-at-eol
               Treats lines with the indicated type of whitespace change as unchanged for the
               sake of a three-way merge. Whitespace changes mixed with other changes to a line
               are not ignored. See also git-diff(1) -b, -w, --ignore-space-at-eol, and
               --ignore-cr-at-eol.

               o   If their version only introduces whitespace changes to a line, our version is
                   used;

               o   If our version introduces whitespace changes but their version includes a
                   substantial change, their version is used;

               o   Otherwise, the merge proceeds in the usual way.

           renormalize
               This runs a virtual check-out and check-in of all three stages of a file when
               resolving a three-way merge. This option is meant to be used when merging branches
               with different clean filters or end-of-line normalization rules. See "Merging
               branches with differing checkin/checkout attributes" in gitattributes(5) for
               details.

           no-renormalize
               Disables the renormalize option. This overrides the merge.renormalize
               configuration variable.

           find-renames[=<n>]
               Turn on rename detection, optionally setting the similarity threshold. This is the
               default. This overrides the merge.renames configuration variable. See also git-
               diff(1) --find-renames.

           rename-threshold=<n>
               Deprecated synonym for find-renames=<n>.

           subtree[=<path>]
               This option is a more advanced form of subtree strategy, where the strategy makes
               a guess on how two trees must be shifted to match with each other when merging.
               Instead, the specified path is prefixed (or stripped from the beginning) to make
               the shape of two trees to match.

       recursive
           This can only resolve two heads using a 3-way merge algorithm. When there is more than
           one common ancestor that can be used for 3-way merge, it creates a merged tree of the
           common ancestors and uses that as the reference tree for the 3-way merge. This has
           been reported to result in fewer merge conflicts without causing mismerges by tests
           done on actual merge commits taken from Linux 2.6 kernel development history.
           Additionally this can detect and handle merges involving renames. It does not make use
           of detected copies. This was the default strategy for resolving two heads from Git
           v0.99.9k until v2.33.0.

           The recursive strategy takes the same options as ort. However, there are three
           additional options that ort ignores (not documented above) that are potentially useful
           with the recursive strategy:

           patience
               Deprecated synonym for diff-algorithm=patience.

           diff-algorithm=[patience|minimal|histogram|myers]
               Use a different diff algorithm while merging, which can help avoid mismerges that
               occur due to unimportant matching lines (such as braces from distinct functions).
               See also git-diff(1) --diff-algorithm. Note that ort specifically uses
               diff-algorithm=histogram, while recursive defaults to the diff.algorithm config
               setting.

           no-renames
               Turn off rename detection. This overrides the merge.renames configuration
               variable. See also git-diff(1) --no-renames.

       resolve
           This can only resolve two heads (i.e. the current branch and another branch you pulled
           from) using a 3-way merge algorithm. It tries to carefully detect criss-cross merge
           ambiguities. It does not handle renames.

       octopus
           This resolves cases with more than two heads, but refuses to do a complex merge that
           needs manual resolution. It is primarily meant to be used for bundling topic branch
           heads together. This is the default merge strategy when pulling or merging more than
           one branch.

       ours
           This resolves any number of heads, but the resulting tree of the merge is always that
           of the current branch head, effectively ignoring all changes from all other branches.
           It is meant to be used to supersede old development history of side branches. Note
           that this is different from the -Xours option to the recursive merge strategy.

       subtree
           This is a modified ort strategy. When merging trees A and B, if B corresponds to a
           subtree of A, B is first adjusted to match the tree structure of A, instead of reading
           the trees at the same level. This adjustment is also done to the common ancestor tree.

       With the strategies that use 3-way merge (including the default, ort), if a change is made
       on both branches, but later reverted on one of the branches, that change will be present
       in the merged result; some people find this behavior confusing. It occurs because only the
       heads and the merge base are considered when performing a merge, not the individual
       commits. The merge algorithm therefore considers the reverted change as no change at all,
       and substitutes the changed version instead.

CONFIGURATION
       merge.conflictStyle
           Specify the style in which conflicted hunks are written out to working tree files upon
           merge. The default is "merge", which shows a <<<<<<< conflict marker, changes made by
           one side, a ======= marker, changes made by the other side, and then a >>>>>>> marker.
           An alternate style, "diff3", adds a ||||||| marker and the original text before the
           ======= marker.

       merge.defaultToUpstream
           If merge is called without any commit argument, merge the upstream branches configured
           for the current branch by using their last observed values stored in their
           remote-tracking branches. The values of the branch.<current branch>.merge that name
           the branches at the remote named by branch.<current branch>.remote are consulted, and
           then they are mapped via remote.<remote>.fetch to their corresponding remote-tracking
           branches, and the tips of these tracking branches are merged. Defaults to true.

       merge.ff
           By default, Git does not create an extra merge commit when merging a commit that is a
           descendant of the current commit. Instead, the tip of the current branch is
           fast-forwarded. When set to false, this variable tells Git to create an extra merge
           commit in such a case (equivalent to giving the --no-ff option from the command line).
           When set to only, only such fast-forward merges are allowed (equivalent to giving the
           --ff-only option from the command line).

       merge.verifySignatures
           If true, this is equivalent to the --verify-signatures command line option. See git-
           merge(1) for details.

       merge.branchdesc
           In addition to branch names, populate the log message with the branch description text
           associated with them. Defaults to false.

       merge.log
           In addition to branch names, populate the log message with at most the specified
           number of one-line descriptions from the actual commits that are being merged.
           Defaults to false, and true is a synonym for 20.

       merge.suppressDest
           By adding a glob that matches the names of integration branches to this multi-valued
           configuration variable, the default merge message computed for merges into these
           integration branches will omit "into <branch name>" from its title.

           An element with an empty value can be used to clear the list of globs accumulated from
           previous configuration entries. When there is no merge.suppressDest variable defined,
           the default value of master is used for backward compatibility.

       merge.renameLimit
           The number of files to consider in the exhaustive portion of rename detection during a
           merge. If not specified, defaults to the value of diff.renameLimit. If neither
           merge.renameLimit nor diff.renameLimit are specified, currently defaults to 7000. This
           setting has no effect if rename detection is turned off.

       merge.renames
           Whether Git detects renames. If set to "false", rename detection is disabled. If set
           to "true", basic rename detection is enabled. Defaults to the value of diff.renames.

       merge.directoryRenames
           Whether Git detects directory renames, affecting what happens at merge time to new
           files added to a directory on one side of history when that directory was renamed on
           the other side of history. If merge.directoryRenames is set to "false", directory
           rename detection is disabled, meaning that such new files will be left behind in the
           old directory. If set to "true", directory rename detection is enabled, meaning that
           such new files will be moved into the new directory. If set to "conflict", a conflict
           will be reported for such paths. If merge.renames is false, merge.directoryRenames is
           ignored and treated as false. Defaults to "conflict".

       merge.renormalize
           Tell Git that canonical representation of files in the repository has changed over
           time (e.g. earlier commits record text files with CRLF line endings, but recent ones
           use LF line endings). In such a repository, Git can convert the data recorded in
           commits to a canonical form before performing a merge to reduce unnecessary conflicts.
           For more information, see section "Merging branches with differing checkin/checkout
           attributes" in gitattributes(5).

       merge.stat
           Whether to print the diffstat between ORIG_HEAD and the merge result at the end of the
           merge. True by default.

       merge.autoStash
           When set to true, automatically create a temporary stash entry before the operation
           begins, and apply it after the operation ends. This means that you can run merge on a
           dirty worktree. However, use with care: the final stash application after a successful
           merge might result in non-trivial conflicts. This option can be overridden by the
           --no-autostash and --autostash options of git-merge(1). Defaults to false.

       merge.tool
           Controls which merge tool is used by git-mergetool(1). The list below shows the valid
           built-in values. Any other value is treated as a custom merge tool and requires that a
           corresponding mergetool.<tool>.cmd variable is defined.

       merge.guitool
           Controls which merge tool is used by git-mergetool(1) when the -g/--gui flag is
           specified. The list below shows the valid built-in values. Any other value is treated
           as a custom merge tool and requires that a corresponding mergetool.<guitool>.cmd
           variable is defined.

           o   araxis

           o   bc

           o   bc3

           o   bc4

           o   codecompare

           o   deltawalker

           o   diffmerge

           o   diffuse

           o   ecmerge

           o   emerge

           o   examdiff

           o   guiffy

           o   gvimdiff

           o   gvimdiff1

           o   gvimdiff2

           o   gvimdiff3

           o   kdiff3

           o   meld

           o   nvimdiff

           o   nvimdiff1

           o   nvimdiff2

           o   nvimdiff3

           o   opendiff

           o   p4merge

           o   smerge

           o   tkdiff

           o   tortoisemerge

           o   vimdiff

           o   vimdiff1

           o   vimdiff2

           o   vimdiff3

           o   winmerge

           o   xxdiff

       merge.verbosity
           Controls the amount of output shown by the recursive merge strategy. Level 0 outputs
           nothing except a final error message if conflicts were detected. Level 1 outputs only
           conflicts, 2 outputs conflicts and file changes. Level 5 and above outputs debugging
           information. The default is level 2. Can be overridden by the GIT_MERGE_VERBOSITY
           environment variable.

       merge.<driver>.name
           Defines a human-readable name for a custom low-level merge driver. See
           gitattributes(5) for details.

       merge.<driver>.driver
           Defines the command that implements a custom low-level merge driver. See
           gitattributes(5) for details.

       merge.<driver>.recursive
           Names a low-level merge driver to be used when performing an internal merge between
           common ancestors. See gitattributes(5) for details.

       branch.<name>.mergeOptions
           Sets default options for merging into branch <name>. The syntax and supported options
           are the same as those of git merge, but option values containing whitespace characters
           are currently not supported.

SEE ALSO
       git-fmt-merge-msg(1), git-pull(1), gitattributes(5), git-reset(1), git-diff(1), git-ls-
       files(1), git-add(1), git-rm(1), git-mergetool(1)

GIT
       Part of the git(1) suite

Git 2.34.1                                  05/20/2024                               GIT-MERGE(1)

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