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git/Documentation/config/ssh.adoc
brian m. carlson 1f010d6bdf doc: use .adoc extension for AsciiDoc files
We presently use the ".txt" extension for our AsciiDoc files.  While not
wrong, most editors do not associate this extension with AsciiDoc,
meaning that contributors don't get automatic editor functionality that
could be useful, such as syntax highlighting and prose linting.

It is much more common to use the ".adoc" extension for AsciiDoc files,
since this helps editors automatically detect files and also allows
various forges to provide rich (HTML-like) rendering.  Let's do that
here, renaming all of the files and updating the includes where
relevant.  Adjust the various build scripts and makefiles to use the new
extension as well.

Note that this should not result in any user-visible changes to the
documentation.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-01-21 12:56:06 -08:00

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ssh.variant::
By default, Git determines the command line arguments to use
based on the basename of the configured SSH command (configured
using the environment variable `GIT_SSH` or `GIT_SSH_COMMAND` or
the config setting `core.sshCommand`). If the basename is
unrecognized, Git will attempt to detect support of OpenSSH
options by first invoking the configured SSH command with the
`-G` (print configuration) option and will subsequently use
OpenSSH options (if that is successful) or no options besides
the host and remote command (if it fails).
+
The config variable `ssh.variant` can be set to override this detection.
Valid values are `ssh` (to use OpenSSH options), `plink`, `putty`,
`tortoiseplink`, `simple` (no options except the host and remote command).
The default auto-detection can be explicitly requested using the value
`auto`. Any other value is treated as `ssh`. This setting can also be
overridden via the environment variable `GIT_SSH_VARIANT`.
+
The current command-line parameters used for each variant are as
follows:
+
--
* `ssh` - [-p port] [-4] [-6] [-o option] [username@]host command
* `simple` - [username@]host command
* `plink` or `putty` - [-P port] [-4] [-6] [username@]host command
* `tortoiseplink` - [-P port] [-4] [-6] -batch [username@]host command
--
+
Except for the `simple` variant, command-line parameters are likely to
change as git gains new features.