Documentation / git-notes.txton commit Documentation/reset: promote 'examples' one section up (28bb4b2)
   1git-notes(1)
   2============
   3
   4NAME
   5----
   6git-notes - Add or inspect object notes
   7
   8SYNOPSIS
   9--------
  10[verse]
  11'git notes' [list [<object>]]
  12'git notes' add [-f] [-F <file> | -m <msg> | (-c | -C) <object>] [<object>]
  13'git notes' copy [-f] ( --stdin | <from-object> <to-object> )
  14'git notes' append [-F <file> | -m <msg> | (-c | -C) <object>] [<object>]
  15'git notes' edit [<object>]
  16'git notes' show [<object>]
  17'git notes' remove [<object>]
  18'git notes' prune [-n | -v]
  19
  20
  21DESCRIPTION
  22-----------
  23Adds, removes, or reads notes attached to objects, without touching
  24the objects themselves.
  25
  26By default, notes are saved to and read from `refs/notes/commits`, but
  27this default can be overridden.  See the OPTIONS, CONFIGURATION, and
  28ENVIRONMENT sections below.  If this ref does not exist, it will be
  29quietly created when it is first needed to store a note.
  30
  31A typical use of notes is to supplement a commit message without
  32changing the commit itself. Notes can be shown by 'git log' along with
  33the original commit message. To distinguish these notes from the
  34message stored in the commit object, the notes are indented like the
  35message, after an unindented line saying "Notes (<refname>):" (or
  36"Notes:" for `refs/notes/commits`).
  37
  38To change which notes are shown by 'git log', see the
  39"notes.displayRef" configuration in linkgit:git-log[1].
  40
  41See the "notes.rewrite.<command>" configuration for a way to carry
  42notes across commands that rewrite commits.
  43
  44
  45SUBCOMMANDS
  46-----------
  47
  48list::
  49        List the notes object for a given object. If no object is
  50        given, show a list of all note objects and the objects they
  51        annotate (in the format "<note object> <annotated object>").
  52        This is the default subcommand if no subcommand is given.
  53
  54add::
  55        Add notes for a given object (defaults to HEAD). Abort if the
  56        object already has notes (use `-f` to overwrite an
  57        existing note).
  58
  59copy::
  60        Copy the notes for the first object onto the second object.
  61        Abort if the second object already has notes, or if the first
  62        object has none (use -f to overwrite existing notes to the
  63        second object). This subcommand is equivalent to:
  64        `git notes add [-f] -C $(git notes list <from-object>) <to-object>`
  65+
  66In `\--stdin` mode, take lines in the format
  67+
  68----------
  69<from-object> SP <to-object> [ SP <rest> ] LF
  70----------
  71+
  72on standard input, and copy the notes from each <from-object> to its
  73corresponding <to-object>.  (The optional `<rest>` is ignored so that
  74the command can read the input given to the `post-rewrite` hook.)
  75
  76append::
  77        Append to the notes of an existing object (defaults to HEAD).
  78        Creates a new notes object if needed.
  79
  80edit::
  81        Edit the notes for a given object (defaults to HEAD).
  82
  83show::
  84        Show the notes for a given object (defaults to HEAD).
  85
  86remove::
  87        Remove the notes for a given object (defaults to HEAD).
  88        This is equivalent to specifying an empty note message to
  89        the `edit` subcommand.
  90
  91prune::
  92        Remove all notes for non-existing/unreachable objects.
  93
  94OPTIONS
  95-------
  96-f::
  97--force::
  98        When adding notes to an object that already has notes,
  99        overwrite the existing notes (instead of aborting).
 100
 101-m <msg>::
 102--message=<msg>::
 103        Use the given note message (instead of prompting).
 104        If multiple `-m` options are given, their values
 105        are concatenated as separate paragraphs.
 106        Lines starting with `#` and empty lines other than a
 107        single line between paragraphs will be stripped out.
 108
 109-F <file>::
 110--file=<file>::
 111        Take the note message from the given file.  Use '-' to
 112        read the note message from the standard input.
 113        Lines starting with `#` and empty lines other than a
 114        single line between paragraphs will be stripped out.
 115
 116-C <object>::
 117--reuse-message=<object>::
 118        Take the note message from the given blob object (for
 119        example, another note).
 120
 121-c <object>::
 122--reedit-message=<object>::
 123        Like '-C', but with '-c' the editor is invoked, so that
 124        the user can further edit the note message.
 125
 126--ref <ref>::
 127        Manipulate the notes tree in <ref>.  This overrides
 128        'GIT_NOTES_REF' and the "core.notesRef" configuration.  The ref
 129        is taken to be in `refs/notes/` if it is not qualified.
 130
 131-n::
 132        Do not remove anything; just report the object names whose notes
 133        would be removed.
 134
 135-v::
 136        Report all object names whose notes are removed.
 137
 138
 139DISCUSSION
 140----------
 141
 142Commit notes are blobs containing extra information about an object
 143(usually information to supplement a commit's message).  These blobs
 144are taken from notes refs.  A notes ref is usually a branch which
 145contains "files" whose paths are the object names for the objects
 146they describe, with some directory separators included for performance
 147reasons footnote:[Permitted pathnames have the form
 148'ab'`/`'cd'`/`'ef'`/`'...'`/`'abcdef...': a sequence of directory
 149names of two hexadecimal digits each followed by a filename with the
 150rest of the object ID.].
 151
 152Every notes change creates a new commit at the specified notes ref.
 153You can therefore inspect the history of the notes by invoking, e.g.,
 154`git log -p notes/commits`.  Currently the commit message only records
 155which operation triggered the update, and the commit authorship is
 156determined according to the usual rules (see linkgit:git-commit[1]).
 157These details may change in the future.
 158
 159It is also permitted for a notes ref to point directly to a tree
 160object, in which case the history of the notes can be read with
 161`git log -p -g <refname>`.
 162
 163
 164EXAMPLES
 165--------
 166
 167You can use notes to add annotations with information that was not
 168available at the time a commit was written.
 169
 170------------
 171$ git notes add -m 'Tested-by: Johannes Sixt <j6t@kdbg.org>' 72a144e2
 172$ git show -s 72a144e
 173[...]
 174    Signed-off-by: Junio C Hamano <gitster@pobox.com>
 175
 176Notes:
 177    Tested-by: Johannes Sixt <j6t@kdbg.org>
 178------------
 179
 180In principle, a note is a regular Git blob, and any kind of
 181(non-)format is accepted.  You can binary-safely create notes from
 182arbitrary files using 'git hash-object':
 183
 184------------
 185$ cc *.c
 186$ blob=$(git hash-object -w a.out)
 187$ git notes --ref=built add -C "$blob" HEAD
 188------------
 189
 190Of course, it doesn't make much sense to display non-text-format notes
 191with 'git log', so if you use such notes, you'll probably need to write
 192some special-purpose tools to do something useful with them.
 193
 194
 195CONFIGURATION
 196-------------
 197
 198core.notesRef::
 199        Notes ref to read and manipulate instead of
 200        `refs/notes/commits`.  Must be an unabbreviated ref name.
 201        This setting can be overridden through the environment and
 202        command line.
 203
 204notes.displayRef::
 205        Which ref (or refs, if a glob or specified more than once), in
 206        addition to the default set by `core.notesRef` or
 207        'GIT_NOTES_REF', to read notes from when showing commit
 208        messages with the 'git log' family of commands.
 209        This setting can be overridden on the command line or by the
 210        'GIT_NOTES_DISPLAY_REF' environment variable.
 211        See linkgit:git-log[1].
 212
 213notes.rewrite.<command>::
 214        When rewriting commits with <command> (currently `amend` or
 215        `rebase`), if this variable is `false`, git will not copy
 216        notes from the original to the rewritten commit.  Defaults to
 217        `true`.  See also "`notes.rewriteRef`" below.
 218+
 219This setting can be overridden by the 'GIT_NOTES_REWRITE_REF'
 220environment variable.
 221
 222notes.rewriteMode::
 223        When copying notes during a rewrite, what to do if the target
 224        commit already has a note.  Must be one of `overwrite`,
 225        `concatenate`, and `ignore`.  Defaults to `concatenate`.
 226+
 227This setting can be overridden with the `GIT_NOTES_REWRITE_MODE`
 228environment variable.
 229
 230notes.rewriteRef::
 231        When copying notes during a rewrite, specifies the (fully
 232        qualified) ref whose notes should be copied.  May be a glob,
 233        in which case notes in all matching refs will be copied.  You
 234        may also specify this configuration several times.
 235+
 236Does not have a default value; you must configure this variable to
 237enable note rewriting.
 238+
 239Can be overridden with the 'GIT_NOTES_REWRITE_REF' environment variable.
 240
 241
 242ENVIRONMENT
 243-----------
 244
 245'GIT_NOTES_REF'::
 246        Which ref to manipulate notes from, instead of `refs/notes/commits`.
 247        This overrides the `core.notesRef` setting.
 248
 249'GIT_NOTES_DISPLAY_REF'::
 250        Colon-delimited list of refs or globs indicating which refs,
 251        in addition to the default from `core.notesRef` or
 252        'GIT_NOTES_REF', to read notes from when showing commit
 253        messages.
 254        This overrides the `notes.displayRef` setting.
 255+
 256A warning will be issued for refs that do not exist, but a glob that
 257does not match any refs is silently ignored.
 258
 259'GIT_NOTES_REWRITE_MODE'::
 260        When copying notes during a rewrite, what to do if the target
 261        commit already has a note.
 262        Must be one of `overwrite`, `concatenate`, and `ignore`.
 263        This overrides the `core.rewriteMode` setting.
 264
 265'GIT_NOTES_REWRITE_REF'::
 266        When rewriting commits, which notes to copy from the original
 267        to the rewritten commit.  Must be a colon-delimited list of
 268        refs or globs.
 269+
 270If not set in the environment, the list of notes to copy depends
 271on the `notes.rewrite.<command>` and `notes.rewriteRef` settings.
 272
 273
 274Author
 275------
 276Written by Johannes Schindelin <johannes.schindelin@gmx.de> and
 277Johan Herland <johan@herland.net>
 278
 279Documentation
 280-------------
 281Documentation by Johannes Schindelin and Johan Herland
 282
 283GIT
 284---
 285Part of the linkgit:git[7] suite