Documentation / git-commit.txton commit Merge branch 'jk/diff-m-doc' into maint (7a0d54f)
   1git-commit(1)
   2=============
   3
   4NAME
   5----
   6git-commit - Record changes to the repository
   7
   8SYNOPSIS
   9--------
  10[verse]
  11'git commit' [-a | --interactive] [-s] [-v] [-u<mode>] [--amend] [--dry-run]
  12           [(-c | -C) <commit>] [-F <file> | -m <msg>] [--reset-author]
  13           [--allow-empty] [--no-verify] [-e] [--author=<author>]
  14           [--date=<date>] [--cleanup=<mode>] [--status | --no-status] [--]
  15           [[-i | -o ]<file>...]
  16
  17DESCRIPTION
  18-----------
  19Stores the current contents of the index in a new commit along
  20with a log message from the user describing the changes.
  21
  22The content to be added can be specified in several ways:
  23
  241. by using 'git add' to incrementally "add" changes to the
  25   index before using the 'commit' command (Note: even modified
  26   files must be "added");
  27
  282. by using 'git rm' to remove files from the working tree
  29   and the index, again before using the 'commit' command;
  30
  313. by listing files as arguments to the 'commit' command, in which
  32   case the commit will ignore changes staged in the index, and instead
  33   record the current content of the listed files (which must already
  34   be known to git);
  35
  364. by using the -a switch with the 'commit' command to automatically
  37   "add" changes from all known files (i.e. all files that are already
  38   listed in the index) and to automatically "rm" files in the index
  39   that have been removed from the working tree, and then perform the
  40   actual commit;
  41
  425. by using the --interactive switch with the 'commit' command to decide one
  43   by one which files should be part of the commit, before finalizing the
  44   operation.  Currently, this is done by invoking 'git add --interactive'.
  45
  46The `--dry-run` option can be used to obtain a
  47summary of what is included by any of the above for the next
  48commit by giving the same set of parameters (options and paths).
  49
  50If you make a commit and then find a mistake immediately after
  51that, you can recover from it with 'git reset'.
  52
  53
  54OPTIONS
  55-------
  56-a::
  57--all::
  58        Tell the command to automatically stage files that have
  59        been modified and deleted, but new files you have not
  60        told git about are not affected.
  61
  62-C <commit>::
  63--reuse-message=<commit>::
  64        Take an existing commit object, and reuse the log message
  65        and the authorship information (including the timestamp)
  66        when creating the commit.
  67
  68-c <commit>::
  69--reedit-message=<commit>::
  70        Like '-C', but with '-c' the editor is invoked, so that
  71        the user can further edit the commit message.
  72
  73--reset-author::
  74        When used with -C/-c/--amend options, declare that the
  75        authorship of the resulting commit now belongs of the committer.
  76        This also renews the author timestamp.
  77
  78--short::
  79        When doing a dry-run, give the output in the short-format. See
  80        linkgit:git-status[1] for details. Implies `--dry-run`.
  81
  82--porcelain::
  83        When doing a dry-run, give the output in a porcelain-ready
  84        format. See linkgit:git-status[1] for details. Implies
  85        `--dry-run`.
  86
  87-z::
  88        When showing `short` or `porcelain` status output, terminate
  89        entries in the status output with NUL, instead of LF. If no
  90        format is given, implies the `--porcelain` output format.
  91
  92-F <file>::
  93--file=<file>::
  94        Take the commit message from the given file.  Use '-' to
  95        read the message from the standard input.
  96
  97--author=<author>::
  98        Override the commit author. Specify an explicit author using the
  99        standard `A U Thor <author@example.com>` format. Otherwise <author>
 100        is assumed to be a pattern and is used to search for an existing
 101        commit by that author (i.e. rev-list --all -i --author=<author>);
 102        the commit author is then copied from the first such commit found.
 103
 104--date=<date>::
 105        Override the author date used in the commit.
 106
 107-m <msg>::
 108--message=<msg>::
 109        Use the given <msg> as the commit message.
 110
 111-t <file>::
 112--template=<file>::
 113        Use the contents of the given file as the initial version
 114        of the commit message. The editor is invoked and you can
 115        make subsequent changes. If a message is specified using
 116        the `-m` or `-F` options, this option has no effect. This
 117        overrides the `commit.template` configuration variable.
 118
 119-s::
 120--signoff::
 121        Add Signed-off-by line by the committer at the end of the commit
 122        log message.
 123
 124-n::
 125--no-verify::
 126        This option bypasses the pre-commit and commit-msg hooks.
 127        See also linkgit:githooks[5].
 128
 129--allow-empty::
 130        Usually recording a commit that has the exact same tree as its
 131        sole parent commit is a mistake, and the command prevents you
 132        from making such a commit.  This option bypasses the safety, and
 133        is primarily for use by foreign scm interface scripts.
 134
 135--cleanup=<mode>::
 136        This option sets how the commit message is cleaned up.
 137        The  '<mode>' can be one of 'verbatim', 'whitespace', 'strip',
 138        and 'default'. The 'default' mode will strip leading and
 139        trailing empty lines and #commentary from the commit message
 140        only if the message is to be edited. Otherwise only whitespace
 141        removed. The 'verbatim' mode does not change message at all,
 142        'whitespace' removes just leading/trailing whitespace lines
 143        and 'strip' removes both whitespace and commentary.
 144
 145-e::
 146--edit::
 147        The message taken from file with `-F`, command line with
 148        `-m`, and from file with `-C` are usually used as the
 149        commit log message unmodified.  This option lets you
 150        further edit the message taken from these sources.
 151
 152--amend::
 153        Used to amend the tip of the current branch. Prepare the tree
 154        object you would want to replace the latest commit as usual
 155        (this includes the usual -i/-o and explicit paths), and the
 156        commit log editor is seeded with the commit message from the
 157        tip of the current branch. The commit you create replaces the
 158        current tip -- if it was a merge, it will have the parents of
 159        the current tip as parents -- so the current top commit is
 160        discarded.
 161+
 162--
 163It is a rough equivalent for:
 164------
 165        $ git reset --soft HEAD^
 166        $ ... do something else to come up with the right tree ...
 167        $ git commit -c ORIG_HEAD
 168
 169------
 170but can be used to amend a merge commit.
 171--
 172+
 173You should understand the implications of rewriting history if you
 174amend a commit that has already been published.  (See the "RECOVERING
 175FROM UPSTREAM REBASE" section in linkgit:git-rebase[1].)
 176
 177-i::
 178--include::
 179        Before making a commit out of staged contents so far,
 180        stage the contents of paths given on the command line
 181        as well.  This is usually not what you want unless you
 182        are concluding a conflicted merge.
 183
 184-o::
 185--only::
 186        Make a commit only from the paths specified on the
 187        command line, disregarding any contents that have been
 188        staged so far. This is the default mode of operation of
 189        'git commit' if any paths are given on the command line,
 190        in which case this option can be omitted.
 191        If this option is specified together with '--amend', then
 192        no paths need to be specified, which can be used to amend
 193        the last commit without committing changes that have
 194        already been staged.
 195
 196-u[<mode>]::
 197--untracked-files[=<mode>]::
 198        Show untracked files (Default: 'all').
 199+
 200The mode parameter is optional, and is used to specify
 201the handling of untracked files.
 202+
 203The possible options are:
 204+
 205        - 'no'     - Show no untracked files
 206        - 'normal' - Shows untracked files and directories
 207        - 'all'    - Also shows individual files in untracked directories.
 208+
 209See linkgit:git-config[1] for configuration variable
 210used to change the default for when the option is not
 211specified.
 212
 213-v::
 214--verbose::
 215        Show unified diff between the HEAD commit and what
 216        would be committed at the bottom of the commit message
 217        template.  Note that this diff output doesn't have its
 218        lines prefixed with '#'.
 219
 220-q::
 221--quiet::
 222        Suppress commit summary message.
 223
 224--dry-run::
 225        Do not create a commit, but show a list of paths that are
 226        to be committed, paths with local changes that will be left
 227        uncommitted and paths that are untracked.
 228
 229--status::
 230        Include the output of linkgit:git-status[1] in the commit
 231        message template when using an editor to prepare the commit
 232        message.  Defaults to on, but can be used to override
 233        configuration variable commit.status.
 234
 235--no-status::
 236        Do not include the output of linkgit:git-status[1] in the
 237        commit message template when using an editor to prepare the
 238        default commit message.
 239
 240\--::
 241        Do not interpret any more arguments as options.
 242
 243<file>...::
 244        When files are given on the command line, the command
 245        commits the contents of the named files, without
 246        recording the changes already staged.  The contents of
 247        these files are also staged for the next commit on top
 248        of what have been staged before.
 249
 250:git-commit: 1
 251include::date-formats.txt[]
 252
 253EXAMPLES
 254--------
 255When recording your own work, the contents of modified files in
 256your working tree are temporarily stored to a staging area
 257called the "index" with 'git add'.  A file can be
 258reverted back, only in the index but not in the working tree,
 259to that of the last commit with `git reset HEAD -- <file>`,
 260which effectively reverts 'git add' and prevents the changes to
 261this file from participating in the next commit.  After building
 262the state to be committed incrementally with these commands,
 263`git commit` (without any pathname parameter) is used to record what
 264has been staged so far.  This is the most basic form of the
 265command.  An example:
 266
 267------------
 268$ edit hello.c
 269$ git rm goodbye.c
 270$ git add hello.c
 271$ git commit
 272------------
 273
 274Instead of staging files after each individual change, you can
 275tell `git commit` to notice the changes to the files whose
 276contents are tracked in
 277your working tree and do corresponding `git add` and `git rm`
 278for you.  That is, this example does the same as the earlier
 279example if there is no other change in your working tree:
 280
 281------------
 282$ edit hello.c
 283$ rm goodbye.c
 284$ git commit -a
 285------------
 286
 287The command `git commit -a` first looks at your working tree,
 288notices that you have modified hello.c and removed goodbye.c,
 289and performs necessary `git add` and `git rm` for you.
 290
 291After staging changes to many files, you can alter the order the
 292changes are recorded in, by giving pathnames to `git commit`.
 293When pathnames are given, the command makes a commit that
 294only records the changes made to the named paths:
 295
 296------------
 297$ edit hello.c hello.h
 298$ git add hello.c hello.h
 299$ edit Makefile
 300$ git commit Makefile
 301------------
 302
 303This makes a commit that records the modification to `Makefile`.
 304The changes staged for `hello.c` and `hello.h` are not included
 305in the resulting commit.  However, their changes are not lost --
 306they are still staged and merely held back.  After the above
 307sequence, if you do:
 308
 309------------
 310$ git commit
 311------------
 312
 313this second commit would record the changes to `hello.c` and
 314`hello.h` as expected.
 315
 316After a merge (initiated by 'git merge' or 'git pull') stops
 317because of conflicts, cleanly merged
 318paths are already staged to be committed for you, and paths that
 319conflicted are left in unmerged state.  You would have to first
 320check which paths are conflicting with 'git status'
 321and after fixing them manually in your working tree, you would
 322stage the result as usual with 'git add':
 323
 324------------
 325$ git status | grep unmerged
 326unmerged: hello.c
 327$ edit hello.c
 328$ git add hello.c
 329------------
 330
 331After resolving conflicts and staging the result, `git ls-files -u`
 332would stop mentioning the conflicted path.  When you are done,
 333run `git commit` to finally record the merge:
 334
 335------------
 336$ git commit
 337------------
 338
 339As with the case to record your own changes, you can use `-a`
 340option to save typing.  One difference is that during a merge
 341resolution, you cannot use `git commit` with pathnames to
 342alter the order the changes are committed, because the merge
 343should be recorded as a single commit.  In fact, the command
 344refuses to run when given pathnames (but see `-i` option).
 345
 346
 347DISCUSSION
 348----------
 349
 350Though not required, it's a good idea to begin the commit message
 351with a single short (less than 50 character) line summarizing the
 352change, followed by a blank line and then a more thorough description.
 353Tools that turn commits into email, for example, use the first line
 354on the Subject: line and the rest of the commit in the body.
 355
 356include::i18n.txt[]
 357
 358ENVIRONMENT AND CONFIGURATION VARIABLES
 359---------------------------------------
 360The editor used to edit the commit log message will be chosen from the
 361GIT_EDITOR environment variable, the core.editor configuration variable, the
 362VISUAL environment variable, or the EDITOR environment variable (in that
 363order).  See linkgit:git-var[1] for details.
 364
 365HOOKS
 366-----
 367This command can run `commit-msg`, `prepare-commit-msg`, `pre-commit`,
 368and `post-commit` hooks.  See linkgit:githooks[5] for more
 369information.
 370
 371
 372SEE ALSO
 373--------
 374linkgit:git-add[1],
 375linkgit:git-rm[1],
 376linkgit:git-mv[1],
 377linkgit:git-merge[1],
 378linkgit:git-commit-tree[1]
 379
 380Author
 381------
 382Written by Linus Torvalds <torvalds@osdl.org> and
 383Junio C Hamano <gitster@pobox.com>
 384
 385
 386GIT
 387---
 388Part of the linkgit:git[1] suite