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| </head> |
| <body class="manpage"> |
| <div id="header"> |
| <h1>git-interpret-trailers(1) Manual Page</h1> |
| <h2 id="_name">NAME</h2> |
| <div class="sectionbody"> |
| <p>git-interpret-trailers - Add or parse structured information in commit messages</p> |
| </div> |
| </div> |
| <div id="content"> |
| <div class="sect1"> |
| <h2 id="_synopsis">SYNOPSIS</h2> |
| <div class="sectionbody"> |
| <div class="verseblock"> |
| <pre class="content"><em>git interpret-trailers</em> [--in-place] [--trim-empty] |
| [(--trailer (<key>|<key-alias>)[(=|:)<value>])…​] |
| [--parse] [<file>…​]</pre> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_description">DESCRIPTION</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>Add or parse <em>trailer</em> lines that look similar to RFC 822 e-mail |
| headers, at the end of the otherwise free-form part of a commit |
| message. For example, in the following commit message</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre>subject |
| |
| Lorem ipsum dolor sit amet, consectetur adipiscing elit. |
| |
| Signed-off-by: Alice <alice@example.com> |
| Signed-off-by: Bob <bob@example.com></pre> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>the last two lines starting with "Signed-off-by" are trailers.</p> |
| </div> |
| <div class="paragraph"> |
| <p>This command reads commit messages from either the |
| <file> arguments or the standard input if no <file> is specified. |
| If <code>--parse</code> is specified, the output consists of the parsed trailers |
| coming from the input, without influencing them with any command line |
| options or configuration variables.</p> |
| </div> |
| <div class="paragraph"> |
| <p>Otherwise, this command applies <code>trailer.*</code> configuration variables |
| (which could potentially add new trailers, as well as reposition them), |
| as well as any command line arguments that can override configuration |
| variables (such as <code>--trailer=..</code>. which could also add new trailers), |
| to each input file. The result is emitted on the standard output.</p> |
| </div> |
| <div class="paragraph"> |
| <p>This command can also operate on the output of <a href="git-format-patch.html">git-format-patch(1)</a>, |
| which is more elaborate than a plain commit message. Namely, such output |
| includes a commit message (as above), a "---" divider line, and a patch part. |
| For these inputs, the divider and patch parts are not modified by |
| this command and are emitted as is on the output, unless |
| <code>--no-divider</code> is specified.</p> |
| </div> |
| <div class="paragraph"> |
| <p>Some configuration variables control the way the <code>--trailer</code> arguments |
| are applied to each input and the way any existing trailer in |
| the input is changed. They also make it possible to |
| automatically add some trailers.</p> |
| </div> |
| <div class="paragraph"> |
| <p>By default, a <em><key>=<value></em> or <em><key>:<value></em> argument given |
| using <code>--trailer</code> will be appended after the existing trailers only if |
| the last trailer has a different (<key>, <value>) pair (or if there |
| is no existing trailer). The <key> and <value> parts will be trimmed |
| to remove starting and trailing whitespace, and the resulting trimmed |
| <key> and <value> will appear in the output like this:</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre>key: value</pre> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>This means that the trimmed <key> and <value> will be separated by |
| ': ' (one colon followed by one space).</p> |
| </div> |
| <div class="paragraph"> |
| <p>For convenience, a <key-alias> can be configured to make using <code>--trailer</code> |
| shorter to type on the command line. This can be configured using the |
| <em>trailer.<key-alias>.key</em> configuration variable. The <keyAlias> must be a prefix |
| of the full <key> string, although case sensitivity does not matter. For |
| example, if you have</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre>trailer.sign.key "Signed-off-by: "</pre> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>in your configuration, you only need to specify <code>--trailer=</code>"sign: <code>foo</code>" |
| on the command line instead of <code>--trailer=</code>"Signed-off-by: <code>foo</code>".</p> |
| </div> |
| <div class="paragraph"> |
| <p>By default the new trailer will appear at the end of all the existing |
| trailers. If there is no existing trailer, the new trailer will appear |
| at the end of the input. A blank line will be added before the new |
| trailer if there isn’t one already.</p> |
| </div> |
| <div class="paragraph"> |
| <p>Existing trailers are extracted from the input by looking for |
| a group of one or more lines that (i) is all trailers, or (ii) contains at |
| least one Git-generated or user-configured trailer and consists of at |
| least 25% trailers. |
| The group must be preceded by one or more empty (or whitespace-only) lines. |
| The group must either be at the end of the input or be the last |
| non-whitespace lines before a line that starts with <em>---</em> (followed by a |
| space or the end of the line).</p> |
| </div> |
| <div class="paragraph"> |
| <p>When reading trailers, there can be no whitespace before or inside the |
| <key>, but any number of regular space and tab characters are allowed |
| between the <key> and the separator. There can be whitespaces before, |
| inside or after the <value>. The <value> may be split over multiple lines |
| with each subsequent line starting with at least one whitespace, like |
| the "folding" in RFC 822. Example:</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre>key: This is a very long value, with spaces and |
| newlines in it.</pre> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>Note that trailers do not follow (nor are they intended to follow) many of the |
| rules for RFC 822 headers. For example they do not follow the encoding rule.</p> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_options">OPTIONS</h2> |
| <div class="sectionbody"> |
| <div class="dlist"> |
| <dl> |
| <dt class="hdlist1">--in-place</dt> |
| <dd> |
| <p>Edit the files in place.</p> |
| </dd> |
| <dt class="hdlist1">--trim-empty</dt> |
| <dd> |
| <p>If the <value> part of any trailer contains only whitespace, |
| the whole trailer will be removed from the output. |
| This applies to existing trailers as well as new trailers.</p> |
| </dd> |
| <dt class="hdlist1">--trailer <key>[(=|:)<value>]</dt> |
| <dd> |
| <p>Specify a (<key>, <value>) pair that should be applied as a |
| trailer to the inputs. See the description of this |
| command.</p> |
| </dd> |
| <dt class="hdlist1">--where <placement></dt> |
| <dt class="hdlist1">--no-where</dt> |
| <dd> |
| <p>Specify where all new trailers will be added. A setting |
| provided with <em>--where</em> overrides the <code>trailer.where</code> and any |
| applicable <code>trailer.</code><em><keyAlias></em><code>.where</code> configuration variables |
| and applies to all <em>--trailer</em> options until the next occurrence of |
| <em>--where</em> or <em>--no-where</em>. Upon encountering <em>--no-where</em>, clear the |
| effect of any previous use of <em>--where</em>, such that the relevant configuration |
| variables are no longer overridden. Possible placements are <code>after</code>, |
| <code>before</code>, <code>end</code> or <code>start</code>.</p> |
| </dd> |
| <dt class="hdlist1">--if-exists <action></dt> |
| <dt class="hdlist1">--no-if-exists</dt> |
| <dd> |
| <p>Specify what action will be performed when there is already at |
| least one trailer with the same <key> in the input. A setting |
| provided with <em>--if-exists</em> overrides the <code>trailer.ifExists</code> and any |
| applicable <code>trailer.</code><em><keyAlias></em><code>.ifExists</code> configuration variables |
| and applies to all <em>--trailer</em> options until the next occurrence of |
| <em>--if-exists</em> or <em>--no-if-exists</em>. Upon encountering <em>--no-if-exists</em>, clear the |
| effect of any previous use of <em>--if-exists</em>, such that the relevant configuration |
| variables are no longer overridden. Possible actions are <code>addIfDifferent</code>, |
| <code>addIfDifferentNeighbor</code>, <code>add</code>, <code>replace</code> and <code>doNothing</code>.</p> |
| </dd> |
| <dt class="hdlist1">--if-missing <action></dt> |
| <dt class="hdlist1">--no-if-missing</dt> |
| <dd> |
| <p>Specify what action will be performed when there is no other |
| trailer with the same <key> in the input. A setting |
| provided with <em>--if-missing</em> overrides the <code>trailer.ifMissing</code> and any |
| applicable <code>trailer.</code><em><keyAlias></em><code>.ifMissing</code> configuration variables |
| and applies to all <em>--trailer</em> options until the next occurrence of |
| <em>--if-missing</em> or <em>--no-if-missing</em>. Upon encountering <em>--no-if-missing</em>, |
| clear the effect of any previous use of <em>--if-missing</em>, such that the relevant |
| configuration variables are no longer overridden. Possible actions are <code>doNothing</code> |
| or <code>add</code>.</p> |
| </dd> |
| <dt class="hdlist1">--only-trailers</dt> |
| <dd> |
| <p>Output only the trailers, not any other parts of the input.</p> |
| </dd> |
| <dt class="hdlist1">--only-input</dt> |
| <dd> |
| <p>Output only trailers that exist in the input; do not add any |
| from the command-line or by applying <code>trailer.*</code> configuration |
| variables.</p> |
| </dd> |
| <dt class="hdlist1">--unfold</dt> |
| <dd> |
| <p>If a trailer has a value that runs over multiple lines (aka "folded"), |
| reformat the value into a single line.</p> |
| </dd> |
| <dt class="hdlist1">--parse</dt> |
| <dd> |
| <p>A convenience alias for <code>--only-trailers</code> <code>--only-input</code> |
| <code>--unfold</code>. This makes it easier to only see the trailers coming from the |
| input without influencing them with any command line options or |
| configuration variables, while also making the output machine-friendly with |
| --unfold.</p> |
| </dd> |
| <dt class="hdlist1">--no-divider</dt> |
| <dd> |
| <p>Do not treat <code>---</code> as the end of the commit message. Use this |
| when you know your input contains just the commit message itself |
| (and not an email or the output of <code>git</code> <code>format-patch</code>).</p> |
| </dd> |
| </dl> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_configuration_variables">CONFIGURATION VARIABLES</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>Everything below this line in this section is selectively included |
| from the <a href="git-config.html">git-config(1)</a> documentation. The content is the same |
| as what’s found there:</p> |
| </div> |
| <div class="dlist"> |
| <dl> |
| <dt class="hdlist1">trailer.separators</dt> |
| <dd> |
| <p>This option tells which characters are recognized as trailer |
| separators. By default only <em>:</em> is recognized as a trailer |
| separator, except that <em>=</em> is always accepted on the command |
| line for compatibility with other git commands.</p> |
| <div class="paragraph"> |
| <p>The first character given by this option will be the default character |
| used when another separator is not specified in the config for this |
| trailer.</p> |
| </div> |
| <div class="paragraph"> |
| <p>For example, if the value for this option is "%=$", then only lines |
| using the format <em><key><sep><value></em> with <sep> containing <em>%</em>, <em>=</em> |
| or <em>$</em> and then spaces will be considered trailers. And <em>%</em> will be |
| the default separator used, so by default trailers will appear like: |
| <em><key>% <value></em> (one percent sign and one space will appear between |
| the key and the value).</p> |
| </div> |
| </dd> |
| <dt class="hdlist1">trailer.where</dt> |
| <dd> |
| <p>This option tells where a new trailer will be added.</p> |
| <div class="paragraph"> |
| <p>This can be <code>end</code>, which is the default, <code>start</code>, <code>after</code> or <code>before</code>.</p> |
| </div> |
| <div class="paragraph"> |
| <p>If it is <code>end</code>, then each new trailer will appear at the end of the |
| existing trailers.</p> |
| </div> |
| <div class="paragraph"> |
| <p>If it is <code>start</code>, then each new trailer will appear at the start, |
| instead of the end, of the existing trailers.</p> |
| </div> |
| <div class="paragraph"> |
| <p>If it is <code>after</code>, then each new trailer will appear just after the |
| last trailer with the same <key>.</p> |
| </div> |
| <div class="paragraph"> |
| <p>If it is <code>before</code>, then each new trailer will appear just before the |
| first trailer with the same <key>.</p> |
| </div> |
| </dd> |
| <dt class="hdlist1">trailer.ifexists</dt> |
| <dd> |
| <p>This option makes it possible to choose what action will be |
| performed when there is already at least one trailer with the |
| same <key> in the input.</p> |
| <div class="paragraph"> |
| <p>The valid values for this option are: <code>addIfDifferentNeighbor</code> (this |
| is the default), <code>addIfDifferent</code>, <code>add</code>, <code>replace</code> or <code>doNothing</code>.</p> |
| </div> |
| <div class="paragraph"> |
| <p>With <code>addIfDifferentNeighbor</code>, a new trailer will be added only if no |
| trailer with the same (<key>, <value>) pair is above or below the line |
| where the new trailer will be added.</p> |
| </div> |
| <div class="paragraph"> |
| <p>With <code>addIfDifferent</code>, a new trailer will be added only if no trailer |
| with the same (<key>, <value>) pair is already in the input.</p> |
| </div> |
| <div class="paragraph"> |
| <p>With <code>add</code>, a new trailer will be added, even if some trailers with |
| the same (<key>, <value>) pair are already in the input.</p> |
| </div> |
| <div class="paragraph"> |
| <p>With <code>replace</code>, an existing trailer with the same <key> will be |
| deleted and the new trailer will be added. The deleted trailer will be |
| the closest one (with the same <key>) to the place where the new one |
| will be added.</p> |
| </div> |
| <div class="paragraph"> |
| <p>With <code>doNothing</code>, nothing will be done; that is no new trailer will be |
| added if there is already one with the same <key> in the input.</p> |
| </div> |
| </dd> |
| <dt class="hdlist1">trailer.ifmissing</dt> |
| <dd> |
| <p>This option makes it possible to choose what action will be |
| performed when there is not yet any trailer with the same |
| <key> in the input.</p> |
| <div class="paragraph"> |
| <p>The valid values for this option are: <code>add</code> (this is the default) and |
| <code>doNothing</code>.</p> |
| </div> |
| <div class="paragraph"> |
| <p>With <code>add</code>, a new trailer will be added.</p> |
| </div> |
| <div class="paragraph"> |
| <p>With <code>doNothing</code>, nothing will be done.</p> |
| </div> |
| </dd> |
| <dt class="hdlist1">trailer.<keyAlias>.key</dt> |
| <dd> |
| <p>Defines a <keyAlias> for the <key>. The <keyAlias> must be a |
| prefix (case does not matter) of the <key>. For example, in <code>git</code> |
| <code>config</code> <code>trailer.ack.key</code> "Acked-by" the "Acked-by" is the <key> and |
| the "ack" is the <keyAlias>. This configuration allows the shorter |
| <code>--trailer</code> "ack:<code>...</code>" invocation on the command line using the "ack" |
| <keyAlias> instead of the longer <code>--trailer</code> "Acked-by:<code>...</code>".</p> |
| <div class="paragraph"> |
| <p>At the end of the <key>, a separator can appear and then some |
| space characters. By default the only valid separator is <em>:</em>, |
| but this can be changed using the <code>trailer.separators</code> config |
| variable.</p> |
| </div> |
| <div class="paragraph"> |
| <p>If there is a separator in the key, then it overrides the default |
| separator when adding the trailer.</p> |
| </div> |
| </dd> |
| <dt class="hdlist1">trailer.<keyAlias>.where</dt> |
| <dd> |
| <p>This option takes the same values as the <em>trailer.where</em> |
| configuration variable and it overrides what is specified by |
| that option for trailers with the specified <keyAlias>.</p> |
| </dd> |
| <dt class="hdlist1">trailer.<keyAlias>.ifexists</dt> |
| <dd> |
| <p>This option takes the same values as the <em>trailer.ifexists</em> |
| configuration variable and it overrides what is specified by |
| that option for trailers with the specified <keyAlias>.</p> |
| </dd> |
| <dt class="hdlist1">trailer.<keyAlias>.ifmissing</dt> |
| <dd> |
| <p>This option takes the same values as the <em>trailer.ifmissing</em> |
| configuration variable and it overrides what is specified by |
| that option for trailers with the specified <keyAlias>.</p> |
| </dd> |
| <dt class="hdlist1">trailer.<keyAlias>.command</dt> |
| <dd> |
| <p>Deprecated in favor of <em>trailer.<keyAlias>.cmd</em>. |
| This option behaves in the same way as <em>trailer.<keyAlias>.cmd</em>, except |
| that it doesn’t pass anything as argument to the specified command. |
| Instead the first occurrence of substring $ARG is replaced by the |
| <value> that would be passed as argument.</p> |
| <div class="paragraph"> |
| <p>Note that $ARG in the user’s command is |
| only replaced once and that the original way of replacing $ARG is not safe.</p> |
| </div> |
| <div class="paragraph"> |
| <p>When both <em>trailer.<keyAlias>.cmd</em> and <em>trailer.<keyAlias>.command</em> are given |
| for the same <keyAlias>, <em>trailer.<keyAlias>.cmd</em> is used and |
| <em>trailer.<keyAlias>.command</em> is ignored.</p> |
| </div> |
| </dd> |
| <dt class="hdlist1">trailer.<keyAlias>.cmd</dt> |
| <dd> |
| <p>This option can be used to specify a shell command that will be called |
| once to automatically add a trailer with the specified <keyAlias>, and then |
| called each time a <em>--trailer <keyAlias>=<value></em> argument is specified to |
| modify the <value> of the trailer that this option would produce.</p> |
| <div class="paragraph"> |
| <p>When the specified command is first called to add a trailer |
| with the specified <keyAlias>, the behavior is as if a special |
| <em>--trailer <keyAlias>=<value></em> argument was added at the beginning |
| of the "git interpret-trailers" command, where <value> |
| is taken to be the standard output of the command with any |
| leading and trailing whitespace trimmed off.</p> |
| </div> |
| <div class="paragraph"> |
| <p>If some <em>--trailer <keyAlias>=<value></em> arguments are also passed |
| on the command line, the command is called again once for each |
| of these arguments with the same <keyAlias>. And the <value> part |
| of these arguments, if any, will be passed to the command as its |
| first argument. This way the command can produce a <value> computed |
| from the <value> passed in the <em>--trailer <keyAlias>=<value></em> argument.</p> |
| </div> |
| </dd> |
| </dl> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_examples">EXAMPLES</h2> |
| <div class="sectionbody"> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>Configure a <em>sign</em> trailer with a <em>Signed-off-by</em> key, and then |
| add two of these trailers to a commit message file:</p> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre>$ git config trailer.sign.key "Signed-off-by" |
| $ cat msg.txt |
| subject |
| |
| body text |
| $ git interpret-trailers --trailer 'sign: Alice <alice@example.com>' --trailer 'sign: Bob <bob@example.com>' <msg.txt |
| subject |
| |
| body text |
| |
| Signed-off-by: Alice <alice@example.com> |
| Signed-off-by: Bob <bob@example.com></pre> |
| </div> |
| </div> |
| </li> |
| <li> |
| <p>Use the <code>--in-place</code> option to edit a commit message file in place:</p> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre>$ cat msg.txt |
| subject |
| |
| body text |
| |
| Signed-off-by: Bob <bob@example.com> |
| $ git interpret-trailers --trailer 'Acked-by: Alice <alice@example.com>' --in-place msg.txt |
| $ cat msg.txt |
| subject |
| |
| body text |
| |
| Signed-off-by: Bob <bob@example.com> |
| Acked-by: Alice <alice@example.com></pre> |
| </div> |
| </div> |
| </li> |
| <li> |
| <p>Extract the last commit as a patch, and add a <em>Cc</em> and a |
| <em>Reviewed-by</em> trailer to it:</p> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre>$ git format-patch -1 |
| 0001-foo.patch |
| $ git interpret-trailers --trailer 'Cc: Alice <alice@example.com>' --trailer 'Reviewed-by: Bob <bob@example.com>' 0001-foo.patch >0001-bar.patch</pre> |
| </div> |
| </div> |
| </li> |
| <li> |
| <p>Configure a <em>sign</em> trailer with a command to automatically add a |
| 'Signed-off-by: ' with the author information only if there is no |
| 'Signed-off-by: ' already, and show how it works:</p> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre>$ cat msg1.txt |
| subject |
| |
| body text |
| $ git config trailer.sign.key "Signed-off-by: " |
| $ git config trailer.sign.ifmissing add |
| $ git config trailer.sign.ifexists doNothing |
| $ git config trailer.sign.cmd 'echo "$(git config user.name) <$(git config user.email)>"' |
| $ git interpret-trailers --trailer sign <msg1.txt |
| subject |
| |
| body text |
| |
| Signed-off-by: Bob <bob@example.com> |
| $ cat msg2.txt |
| subject |
| |
| body text |
| |
| Signed-off-by: Alice <alice@example.com> |
| $ git interpret-trailers --trailer sign <msg2.txt |
| subject |
| |
| body text |
| |
| Signed-off-by: Alice <alice@example.com></pre> |
| </div> |
| </div> |
| </li> |
| <li> |
| <p>Configure a <em>fix</em> trailer with a key that contains a <em>#</em> and no |
| space after this character, and show how it works:</p> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre>$ git config trailer.separators ":#" |
| $ git config trailer.fix.key "Fix #" |
| $ echo "subject" | git interpret-trailers --trailer fix=42 |
| subject |
| |
| Fix #42</pre> |
| </div> |
| </div> |
| </li> |
| <li> |
| <p>Configure a <em>help</em> trailer with a cmd use a script <code>glog-find-author</code> |
| which search specified author identity from git log in git repository |
| and show how it works:</p> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre>$ cat ~/bin/glog-find-author |
| #!/bin/sh |
| test -n "$1" && git log --author="$1" --pretty="%an <%ae>" -1 || true |
| $ cat msg.txt |
| subject |
| |
| body text |
| $ git config trailer.help.key "Helped-by: " |
| $ git config trailer.help.ifExists "addIfDifferentNeighbor" |
| $ git config trailer.help.cmd "~/bin/glog-find-author" |
| $ git interpret-trailers --trailer="help:Junio" --trailer="help:Couder" <msg.txt |
| subject |
| |
| body text |
| |
| Helped-by: Junio C Hamano <gitster@pobox.com> |
| Helped-by: Christian Couder <christian.couder@gmail.com></pre> |
| </div> |
| </div> |
| </li> |
| <li> |
| <p>Configure a <em>ref</em> trailer with a cmd use a script <code>glog-grep</code> |
| to grep last relevant commit from git log in the git repository |
| and show how it works:</p> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre>$ cat ~/bin/glog-grep |
| #!/bin/sh |
| test -n "$1" && git log --grep "$1" --pretty=reference -1 || true |
| $ cat msg.txt |
| subject |
| |
| body text |
| $ git config trailer.ref.key "Reference-to: " |
| $ git config trailer.ref.ifExists "replace" |
| $ git config trailer.ref.cmd "~/bin/glog-grep" |
| $ git interpret-trailers --trailer="ref:Add copyright notices." <msg.txt |
| subject |
| |
| body text |
| |
| Reference-to: 8bc9a0c769 (Add copyright notices., 2005-04-07)</pre> |
| </div> |
| </div> |
| </li> |
| <li> |
| <p>Configure a <em>see</em> trailer with a command to show the subject of a |
| commit that is related, and show how it works:</p> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre>$ cat msg.txt |
| subject |
| |
| body text |
| |
| see: HEAD~2 |
| $ cat ~/bin/glog-ref |
| #!/bin/sh |
| git log -1 --oneline --format="%h (%s)" --abbrev-commit --abbrev=14 |
| $ git config trailer.see.key "See-also: " |
| $ git config trailer.see.ifExists "replace" |
| $ git config trailer.see.ifMissing "doNothing" |
| $ git config trailer.see.cmd "glog-ref" |
| $ git interpret-trailers --trailer=see <msg.txt |
| subject |
| |
| body text |
| |
| See-also: fe3187489d69c4 (subject of related commit)</pre> |
| </div> |
| </div> |
| </li> |
| <li> |
| <p>Configure a commit template with some trailers with empty values |
| (using sed to show and keep the trailing spaces at the end of the |
| trailers), then configure a commit-msg hook that uses |
| <em>git interpret-trailers</em> to remove trailers with empty values and |
| to add a <em>git-version</em> trailer:</p> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre>$ cat temp.txt |
| ***subject*** |
| |
| ***message*** |
| |
| Fixes: Z |
| Cc: Z |
| Reviewed-by: Z |
| Signed-off-by: Z |
| $ sed -e 's/ Z$/ /' temp.txt > commit_template.txt |
| $ git config commit.template commit_template.txt |
| $ cat .git/hooks/commit-msg |
| #!/bin/sh |
| git interpret-trailers --trim-empty --trailer "git-version: \$(git describe)" "\$1" > "\$1.new" |
| mv "\$1.new" "\$1" |
| $ chmod +x .git/hooks/commit-msg</pre> |
| </div> |
| </div> |
| </li> |
| </ul> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_see_also">SEE ALSO</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p><a href="git-commit.html">git-commit(1)</a>, <a href="git-format-patch.html">git-format-patch(1)</a>, <a href="git-config.html">git-config(1)</a></p> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_git">GIT</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>Part of the <a href="git.html">git(1)</a> suite</p> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div id="footer"> |
| <div id="footer-text"> |
| Last updated 2025-09-02 11:08:10 -0700 |
| </div> |
| </div> |
| </body> |
| </html> |
