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| <body class="manpage"> | |
| <div id="header"> | |
| <h1> | |
| git-credential(1) Manual Page | |
| </h1> | |
| <h2>NAME</h2> | |
| <div class="sectionbody"> | |
| <p>git-credential - | |
| Retrieve and store user credentials | |
| </p> | |
| </div> | |
| </div> | |
| <div id="content"> | |
| <div class="sect1"> | |
| <h2 id="_synopsis">SYNOPSIS</h2> | |
| <div class="sectionbody"> | |
| <div class="listingblock"> | |
| <div class="content"> | |
| <pre><code>git credential <fill|approve|reject></code></pre> | |
| </div></div> | |
| </div> | |
| </div> | |
| <div class="sect1"> | |
| <h2 id="_description">DESCRIPTION</h2> | |
| <div class="sectionbody"> | |
| <div class="paragraph"><p>Git has an internal interface for storing and retrieving credentials | |
| from system-specific helpers, as well as prompting the user for | |
| usernames and passwords. The git-credential command exposes this | |
| interface to scripts which may want to retrieve, store, or prompt for | |
| credentials in the same manner as Git. The design of this scriptable | |
| interface models the internal C API; see | |
| <a href="technical/api-credentials.html">the Git credential API</a> for more | |
| background on the concepts.</p></div> | |
| <div class="paragraph"><p>git-credential takes an "action" option on the command-line (one of | |
| <code>fill</code>, <code>approve</code>, or <code>reject</code>) and reads a credential description | |
| on stdin (see <a href="#IOFMT">INPUT/OUTPUT FORMAT</a>).</p></div> | |
| <div class="paragraph"><p>If the action is <code>fill</code>, git-credential will attempt to add "username" | |
| and "password" attributes to the description by reading config files, | |
| by contacting any configured credential helpers, or by prompting the | |
| user. The username and password attributes of the credential | |
| description are then printed to stdout together with the attributes | |
| already provided.</p></div> | |
| <div class="paragraph"><p>If the action is <code>approve</code>, git-credential will send the description | |
| to any configured credential helpers, which may store the credential | |
| for later use.</p></div> | |
| <div class="paragraph"><p>If the action is <code>reject</code>, git-credential will send the description to | |
| any configured credential helpers, which may erase any stored | |
| credential matching the description.</p></div> | |
| <div class="paragraph"><p>If the action is <code>approve</code> or <code>reject</code>, no output should be emitted.</p></div> | |
| </div> | |
| </div> | |
| <div class="sect1"> | |
| <h2 id="_typical_use_of_git_credential">TYPICAL USE OF GIT CREDENTIAL</h2> | |
| <div class="sectionbody"> | |
| <div class="paragraph"><p>An application using git-credential will typically use <code>git | |
| credential</code> following these steps:</p></div> | |
| <div class="olist arabic"><ol class="arabic"> | |
| <li> | |
| <p> | |
| Generate a credential description based on the context. | |
| </p> | |
| <div class="paragraph"><p>For example, if we want a password for | |
| <code>https://example.com/foo.git</code>, we might generate the following | |
| credential description (don’t forget the blank line at the end; it | |
| tells <code>git credential</code> that the application finished feeding all the | |
| information it has):</p></div> | |
| <div class="literalblock"> | |
| <div class="content"> | |
| <pre><code>protocol=https | |
| host=example.com | |
| path=foo.git</code></pre> | |
| </div></div> | |
| </li> | |
| <li> | |
| <p> | |
| Ask git-credential to give us a username and password for this | |
| description. This is done by running <code>git credential fill</code>, | |
| feeding the description from step (1) to its standard input. The complete | |
| credential description (including the credential per se, i.e. the | |
| login and password) will be produced on standard output, like: | |
| </p> | |
| <div class="literalblock"> | |
| <div class="content"> | |
| <pre><code>protocol=https | |
| host=example.com | |
| username=bob | |
| password=secr3t</code></pre> | |
| </div></div> | |
| <div class="paragraph"><p>In most cases, this means the attributes given in the input will be | |
| repeated in the output, but Git may also modify the credential | |
| description, for example by removing the <code>path</code> attribute when the | |
| protocol is HTTP(s) and <code>credential.useHttpPath</code> is false.</p></div> | |
| <div class="paragraph"><p>If the <code>git credential</code> knew about the password, this step may | |
| not have involved the user actually typing this password (the | |
| user may have typed a password to unlock the keychain instead, | |
| or no user interaction was done if the keychain was already | |
| unlocked) before it returned <code>password=secr3t</code>.</p></div> | |
| </li> | |
| <li> | |
| <p> | |
| Use the credential (e.g., access the URL with the username and | |
| password from step (2)), and see if it’s accepted. | |
| </p> | |
| </li> | |
| <li> | |
| <p> | |
| Report on the success or failure of the password. If the | |
| credential allowed the operation to complete successfully, then | |
| it can be marked with an "approve" action to tell <code>git | |
| credential</code> to reuse it in its next invocation. If the credential | |
| was rejected during the operation, use the "reject" action so | |
| that <code>git credential</code> will ask for a new password in its next | |
| invocation. In either case, <code>git credential</code> should be fed with | |
| the credential description obtained from step (2) (which also | |
| contain the ones provided in step (1)). | |
| </p> | |
| </li> | |
| </ol></div> | |
| </div> | |
| </div> | |
| <div class="sect1"> | |
| <h2 id="IOFMT">INPUT/OUTPUT FORMAT</h2> | |
| <div class="sectionbody"> | |
| <div class="paragraph"><p><code>git credential</code> reads and/or writes (depending on the action used) | |
| credential information in its standard input/output. This information | |
| can correspond either to keys for which <code>git credential</code> will obtain | |
| the login/password information (e.g. host, protocol, path), or to the | |
| actual credential data to be obtained (login/password).</p></div> | |
| <div class="paragraph"><p>The credential is split into a set of named attributes, with one | |
| attribute per line. Each attribute is | |
| specified by a key-value pair, separated by an <code>=</code> (equals) sign, | |
| followed by a newline. The key may contain any bytes except <code>=</code>, | |
| newline, or NUL. The value may contain any bytes except newline or NUL. | |
| In both cases, all bytes are treated as-is (i.e., there is no quoting, | |
| and one cannot transmit a value with newline or NUL in it). The list of | |
| attributes is terminated by a blank line or end-of-file. | |
| Git understands the following attributes:</p></div> | |
| <div class="dlist"><dl> | |
| <dt class="hdlist1"> | |
| <code>protocol</code> | |
| </dt> | |
| <dd> | |
| <p> | |
| The protocol over which the credential will be used (e.g., | |
| <code>https</code>). | |
| </p> | |
| </dd> | |
| <dt class="hdlist1"> | |
| <code>host</code> | |
| </dt> | |
| <dd> | |
| <p> | |
| The remote hostname for a network credential. | |
| </p> | |
| </dd> | |
| <dt class="hdlist1"> | |
| <code>path</code> | |
| </dt> | |
| <dd> | |
| <p> | |
| The path with which the credential will be used. E.g., for | |
| accessing a remote https repository, this will be the | |
| repository’s path on the server. | |
| </p> | |
| </dd> | |
| <dt class="hdlist1"> | |
| <code>username</code> | |
| </dt> | |
| <dd> | |
| <p> | |
| The credential’s username, if we already have one (e.g., from a | |
| URL, from the user, or from a previously run helper). | |
| </p> | |
| </dd> | |
| <dt class="hdlist1"> | |
| <code>password</code> | |
| </dt> | |
| <dd> | |
| <p> | |
| The credential’s password, if we are asking it to be stored. | |
| </p> | |
| </dd> | |
| <dt class="hdlist1"> | |
| <code>url</code> | |
| </dt> | |
| <dd> | |
| <p> | |
| When this special attribute is read by <code>git credential</code>, the | |
| value is parsed as a URL and treated as if its constituent parts | |
| were read (e.g., <code>url=https://example.com</code> would behave as if | |
| <code>protocol=https</code> and <code>host=example.com</code> had been provided). This | |
| can help callers avoid parsing URLs themselves. Note that any | |
| components which are missing from the URL (e.g., there is no | |
| username in the example above) will be set to empty; if you want | |
| to provide a URL and override some attributes, provide the URL | |
| attribute first, followed by any overrides. | |
| </p> | |
| </dd> | |
| </dl></div> | |
| </div> | |
| </div> | |
| </div> | |
| <div id="footnotes"><hr /></div> | |
| <div id="footer"> | |
| <div id="footer-text"> | |
| Last updated | |
| 2018-01-26 15:11:04 PST | |
| </div> | |
| </div> | |
| </body> | |
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