kup - Online in the Cloud

PROGRAM:

NAME

kup - kernel.org upload utility

SYNOPSIS

kup [global options] command [-- command...]

DESCRIPTION

This utility is used to upload files to kernel.org and other systems using the same upload
system (kup-server). Each upload is required to have a PGP signature, and the server will
generate multiple compressed formats if the content uploaded is intended to be compressed.

Additionally, if the user has content from a git(1) tree already on server, it is possible
to reproduce the content server-side, thereby reducing bandwidth needs. The user still
has to generate the content locally and sign it.

GLOBAL OPTIONS

-b, --batch
Instead of connecting to a remote host, output the protocol content to standard
output. The output from an arbitrary number of kup invocations can be concatenated
into a single batchfile and then sent to the server as a single session, e.g.:

cat batchfile | ssh -a -x -k -T [user@]host

-e, --rsh, --ssh command
Override the default command used to connect to the server. The default is set by
the environment variable KUP_RSH or if that is not set, ssh -a -x -k -T.

-H, --host [user@]host
Override the default user and host to which to connect. The default is set by the
environment variable KUP_HOST or if that is not set, kup.kernel.org.

COMMANDS

A series of commands can be specified on a single command line, separated by a double dash
argument (--).

In all cases, PGP signatures are detached signature files corresponding to the
uncompressed content. If a remote_path ends in .gz then gzip, bzip2 and xz compressed
files are generated on the server; otherwise the content is stored uncompressed.

put local_file signature_file remote_path
Upload the file local_file signed with signature_file. local_file can be
compressed with gzip, bzip2 or xz; this may reduce upload time. The content will
be stored compressed or uncompressed depending solely on the extension of
remote_path.

put --tar remote_tree ref signature_file remote_path
Generate a tar archive file from ref ref of git tree remote_tree (using git archive
--format=tar) with signature signature_file generated locally, and place it in
remote_path.

git archive has been found to be relatively stable, so this command is relatively
robust to git version changes.

put --diff remote_tree ref1 ref2 signature_file remote_path
Generate a patch file between refs ref1 and ref2 of git tree remote_tree (using git
diff-tree -p) with signature signature_file generated locally, and place it in
remote_path.

The output of git diff-tree has been found to vary between git versions, so
successful use of this command may require the same version of git locally as on
the server in order to produce a valid signature.

mkdir remote_path
Create a new directory on the server.

mv|move old_path new_path
Move the file or directory old_path to new_path. For a file, the .sign files are
also moved, and for compressed files, all the compression formats are moved
together.

ln|link old_path new_path
Hard link the file or directory old_path to new_path. For a file, the .sign files
are also linked, and for compressed files, all the compression formats are linked
together.

rm|del|delete old_path
Delete the file or directory old_path. For a file, the .sign files are also
deleted, and for compressed files, all the compression formats are deleted
together.

ls|dir path...
Lists back the contents of one or more directories on the server.

PATHNAME HANDLING

Remote (server) pathnames all need to be absolute paths, starting with a slash (/). The
sole exception is new_path for the mv and link commands, which if it is not absolute is
taken to be relative to the old_path minus the final component. Similarly, if new_path
ends in a slash then the final component of old_path will be appended.

For the put command, except when --tar or --diff is specified, if the remote_path ends in
a slash then the final (filename) component of local_file will be appended to the final
pathname.

CONFIG FILE

Kup checks the presence of $HOME/.kuprc and can load the host and rsh parameters from the
config file. The environment variables KUP_HOST and KUP_RSH will override the values set
in this config file.

SAMPLE $HOME/.kuprc:

host = [email protected]
rsh = /usr/bin/ssh -a -x -k -T

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