e3e3c6a43e
This is the "theoretically more correct" approach of simply stepping back to the state before plumbing commands started paying attention to "color.ui" configuration variable. * jk/ref-filter-colors-fix: tag: respect color.ui config Revert "color: check color.ui in git_default_config()" Revert "t6006: drop "always" color config tests" Revert "color: make "always" the same as "auto" in config" color: make "always" the same as "auto" in config provide --color option for all ref-filter users t3205: use --color instead of color.branch=always t3203: drop "always" color test t6006: drop "always" color config tests t7502: use diff.noprefix for --verbose test t7508: use test_terminal for color output t3701: use test-terminal to collect color output t4015: prefer --color to -c color.diff=always test-terminal: set TERM=vt100
360 lines
12 KiB
Plaintext
360 lines
12 KiB
Plaintext
git-for-each-ref(1)
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===================
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NAME
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----
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git-for-each-ref - Output information on each ref
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SYNOPSIS
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--------
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[verse]
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'git for-each-ref' [--count=<count>] [--shell|--perl|--python|--tcl]
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[(--sort=<key>)...] [--format=<format>] [<pattern>...]
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[--points-at=<object>]
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(--merged[=<object>] | --no-merged[=<object>])
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[--contains[=<object>]] [--no-contains[=<object>]]
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DESCRIPTION
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-----------
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Iterate over all refs that match `<pattern>` and show them
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according to the given `<format>`, after sorting them according
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to the given set of `<key>`. If `<count>` is given, stop after
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showing that many refs. The interpolated values in `<format>`
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can optionally be quoted as string literals in the specified
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host language allowing their direct evaluation in that language.
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OPTIONS
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-------
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<pattern>...::
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If one or more patterns are given, only refs are shown that
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match against at least one pattern, either using fnmatch(3) or
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literally, in the latter case matching completely or from the
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beginning up to a slash.
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--count=<count>::
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By default the command shows all refs that match
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`<pattern>`. This option makes it stop after showing
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that many refs.
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--sort=<key>::
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A field name to sort on. Prefix `-` to sort in
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descending order of the value. When unspecified,
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`refname` is used. You may use the --sort=<key> option
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multiple times, in which case the last key becomes the primary
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key.
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--format=<format>::
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A string that interpolates `%(fieldname)` from a ref being shown
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and the object it points at. If `fieldname`
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is prefixed with an asterisk (`*`) and the ref points
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at a tag object, use the value for the field in the object
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which the tag object refers to (instead of the field in the tag object).
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When unspecified, `<format>` defaults to
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`%(objectname) SPC %(objecttype) TAB %(refname)`.
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It also interpolates `%%` to `%`, and `%xx` where `xx`
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are hex digits interpolates to character with hex code
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`xx`; for example `%00` interpolates to `\0` (NUL),
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`%09` to `\t` (TAB) and `%0a` to `\n` (LF).
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--color[=<when>]:
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Respect any colors specified in the `--format` option. The
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`<when>` field must be one of `always`, `never`, or `auto` (if
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`<when>` is absent, behave as if `always` was given).
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--shell::
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--perl::
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--python::
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--tcl::
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If given, strings that substitute `%(fieldname)`
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placeholders are quoted as string literals suitable for
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the specified host language. This is meant to produce
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a scriptlet that can directly be `eval`ed.
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--points-at=<object>::
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Only list refs which points at the given object.
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--merged[=<object>]::
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Only list refs whose tips are reachable from the
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specified commit (HEAD if not specified),
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incompatible with `--no-merged`.
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--no-merged[=<object>]::
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Only list refs whose tips are not reachable from the
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specified commit (HEAD if not specified),
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incompatible with `--merged`.
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--contains[=<object>]::
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Only list refs which contain the specified commit (HEAD if not
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specified).
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--no-contains[=<object>]::
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Only list refs which don't contain the specified commit (HEAD
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if not specified).
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--ignore-case::
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Sorting and filtering refs are case insensitive.
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FIELD NAMES
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-----------
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Various values from structured fields in referenced objects can
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be used to interpolate into the resulting output, or as sort
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keys.
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For all objects, the following names can be used:
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refname::
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The name of the ref (the part after $GIT_DIR/).
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For a non-ambiguous short name of the ref append `:short`.
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The option core.warnAmbiguousRefs is used to select the strict
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abbreviation mode. If `lstrip=<N>` (`rstrip=<N>`) is appended, strips `<N>`
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slash-separated path components from the front (back) of the refname
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(e.g. `%(refname:lstrip=2)` turns `refs/tags/foo` into `foo` and
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`%(refname:rstrip=2)` turns `refs/tags/foo` into `refs`).
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If `<N>` is a negative number, strip as many path components as
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necessary from the specified end to leave `-<N>` path components
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(e.g. `%(refname:lstrip=-2)` turns
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`refs/tags/foo` into `tags/foo` and `%(refname:rstrip=-1)`
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turns `refs/tags/foo` into `refs`). When the ref does not have
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enough components, the result becomes an empty string if
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stripping with positive <N>, or it becomes the full refname if
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stripping with negative <N>. Neither is an error.
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+
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`strip` can be used as a synomym to `lstrip`.
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objecttype::
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The type of the object (`blob`, `tree`, `commit`, `tag`).
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objectsize::
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The size of the object (the same as 'git cat-file -s' reports).
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objectname::
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The object name (aka SHA-1).
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For a non-ambiguous abbreviation of the object name append `:short`.
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For an abbreviation of the object name with desired length append
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`:short=<length>`, where the minimum length is MINIMUM_ABBREV. The
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length may be exceeded to ensure unique object names.
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upstream::
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The name of a local ref which can be considered ``upstream''
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from the displayed ref. Respects `:short`, `:lstrip` and
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`:rstrip` in the same way as `refname` above. Additionally
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respects `:track` to show "[ahead N, behind M]" and
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`:trackshort` to show the terse version: ">" (ahead), "<"
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(behind), "<>" (ahead and behind), or "=" (in sync). `:track`
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also prints "[gone]" whenever unknown upstream ref is
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encountered. Append `:track,nobracket` to show tracking
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information without brackets (i.e "ahead N, behind M"). Has
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no effect if the ref does not have tracking information
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associated with it. All the options apart from `nobracket`
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are mutually exclusive, but if used together the last option
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is selected.
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push::
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The name of a local ref which represents the `@{push}`
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location for the displayed ref. Respects `:short`, `:lstrip`,
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`:rstrip`, `:track`, and `:trackshort` options as `upstream`
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does. Produces an empty string if no `@{push}` ref is
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configured.
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HEAD::
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'*' if HEAD matches current ref (the checked out branch), ' '
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otherwise.
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color::
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Change output color. Followed by `:<colorname>`, where color
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names are described under Values in the "CONFIGURATION FILE"
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section of linkgit:git-config[1]. For example,
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`%(color:bold red)`.
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align::
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Left-, middle-, or right-align the content between
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%(align:...) and %(end). The "align:" is followed by
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`width=<width>` and `position=<position>` in any order
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separated by a comma, where the `<position>` is either left,
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right or middle, default being left and `<width>` is the total
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length of the content with alignment. For brevity, the
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"width=" and/or "position=" prefixes may be omitted, and bare
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<width> and <position> used instead. For instance,
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`%(align:<width>,<position>)`. If the contents length is more
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than the width then no alignment is performed. If used with
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`--quote` everything in between %(align:...) and %(end) is
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quoted, but if nested then only the topmost level performs
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quoting.
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if::
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Used as %(if)...%(then)...%(end) or
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%(if)...%(then)...%(else)...%(end). If there is an atom with
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value or string literal after the %(if) then everything after
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the %(then) is printed, else if the %(else) atom is used, then
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everything after %(else) is printed. We ignore space when
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evaluating the string before %(then), this is useful when we
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use the %(HEAD) atom which prints either "*" or " " and we
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want to apply the 'if' condition only on the 'HEAD' ref.
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Append ":equals=<string>" or ":notequals=<string>" to compare
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the value between the %(if:...) and %(then) atoms with the
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given string.
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symref::
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The ref which the given symbolic ref refers to. If not a
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symbolic ref, nothing is printed. Respects the `:short`,
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`:lstrip` and `:rstrip` options in the same way as `refname`
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above.
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In addition to the above, for commit and tag objects, the header
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field names (`tree`, `parent`, `object`, `type`, and `tag`) can
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be used to specify the value in the header field.
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For commit and tag objects, the special `creatordate` and `creator`
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fields will correspond to the appropriate date or name-email-date tuple
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from the `committer` or `tagger` fields depending on the object type.
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These are intended for working on a mix of annotated and lightweight tags.
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Fields that have name-email-date tuple as its value (`author`,
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`committer`, and `tagger`) can be suffixed with `name`, `email`,
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and `date` to extract the named component.
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The complete message in a commit and tag object is `contents`.
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Its first line is `contents:subject`, where subject is the concatenation
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of all lines of the commit message up to the first blank line. The next
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line is 'contents:body', where body is all of the lines after the first
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blank line. The optional GPG signature is `contents:signature`. The
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first `N` lines of the message is obtained using `contents:lines=N`.
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Additionally, the trailers as interpreted by linkgit:git-interpret-trailers[1]
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are obtained as 'contents:trailers'.
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For sorting purposes, fields with numeric values sort in numeric order
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(`objectsize`, `authordate`, `committerdate`, `creatordate`, `taggerdate`).
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All other fields are used to sort in their byte-value order.
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There is also an option to sort by versions, this can be done by using
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the fieldname `version:refname` or its alias `v:refname`.
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In any case, a field name that refers to a field inapplicable to
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the object referred by the ref does not cause an error. It
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returns an empty string instead.
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As a special case for the date-type fields, you may specify a format for
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the date by adding `:` followed by date format name (see the
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values the `--date` option to linkgit:git-rev-list[1] takes).
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Some atoms like %(align) and %(if) always require a matching %(end).
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We call them "opening atoms" and sometimes denote them as %($open).
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When a scripting language specific quoting is in effect, everything
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between a top-level opening atom and its matching %(end) is evaluated
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according to the semantics of the opening atom and only its result
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from the top-level is quoted.
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EXAMPLES
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--------
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An example directly producing formatted text. Show the most recent
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3 tagged commits:
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------------
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#!/bin/sh
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git for-each-ref --count=3 --sort='-*authordate' \
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--format='From: %(*authorname) %(*authoremail)
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Subject: %(*subject)
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Date: %(*authordate)
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Ref: %(*refname)
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%(*body)
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' 'refs/tags'
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------------
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A simple example showing the use of shell eval on the output,
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demonstrating the use of --shell. List the prefixes of all heads:
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------------
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#!/bin/sh
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git for-each-ref --shell --format="ref=%(refname)" refs/heads | \
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while read entry
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do
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eval "$entry"
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echo `dirname $ref`
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done
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------------
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A bit more elaborate report on tags, demonstrating that the format
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may be an entire script:
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------------
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#!/bin/sh
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fmt='
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r=%(refname)
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t=%(*objecttype)
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T=${r#refs/tags/}
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o=%(*objectname)
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n=%(*authorname)
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e=%(*authoremail)
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s=%(*subject)
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d=%(*authordate)
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b=%(*body)
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kind=Tag
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if test "z$t" = z
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then
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# could be a lightweight tag
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t=%(objecttype)
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kind="Lightweight tag"
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o=%(objectname)
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n=%(authorname)
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e=%(authoremail)
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s=%(subject)
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d=%(authordate)
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b=%(body)
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fi
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echo "$kind $T points at a $t object $o"
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if test "z$t" = zcommit
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then
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echo "The commit was authored by $n $e
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at $d, and titled
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$s
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Its message reads as:
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"
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echo "$b" | sed -e "s/^/ /"
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echo
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fi
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'
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eval=`git for-each-ref --shell --format="$fmt" \
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--sort='*objecttype' \
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--sort=-taggerdate \
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refs/tags`
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eval "$eval"
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------------
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An example to show the usage of %(if)...%(then)...%(else)...%(end).
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This prefixes the current branch with a star.
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------------
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git for-each-ref --format="%(if)%(HEAD)%(then)* %(else) %(end)%(refname:short)" refs/heads/
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------------
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An example to show the usage of %(if)...%(then)...%(end).
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This prints the authorname, if present.
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------------
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git for-each-ref --format="%(refname)%(if)%(authorname)%(then) Authored by: %(authorname)%(end)"
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------------
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SEE ALSO
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--------
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linkgit:git-show-ref[1]
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GIT
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---
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Part of the linkgit:git[1] suite
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