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transport_get() can call transport_native_helper_init() to have list and fetch-ref operations handled by running a separate program as: git remote-<something> <remote> [<url>] This program then accepts, on its stdin, "list" and "fetch <hex> <name>" commands; the former prints out a list of available refs and either their hashes or what they are symrefs to, while the latter fetches them into the local object database and prints a newline when done. Signed-off-by: Daniel Barkalow <barkalow@iabervon.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
72 lines
2.0 KiB
Plaintext
72 lines
2.0 KiB
Plaintext
git-remote-helpers(1)
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=====================
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NAME
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----
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git-remote-helpers - Helper programs for interoperation with remote git
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SYNOPSIS
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--------
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'git remote-<transport>' <remote>
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DESCRIPTION
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-----------
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These programs are normally not used directly by end users, but are
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invoked by various git programs that interact with remote repositories
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when the repository they would operate on will be accessed using
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transport code not linked into the main git binary. Various particular
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helper programs will behave as documented here.
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COMMANDS
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--------
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Commands are given by the caller on the helper's standard input, one per line.
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'capabilities'::
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Lists the capabilities of the helper, one per line, ending
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with a blank line.
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'list'::
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Lists the refs, one per line, in the format "<value> <name>
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[<attr> ...]". The value may be a hex sha1 hash, "@<dest>" for
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a symref, or "?" to indicate that the helper could not get the
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value of the ref. A space-separated list of attributes follows
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the name; unrecognized attributes are ignored. After the
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complete list, outputs a blank line.
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'fetch' <sha1> <name>::
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Fetches the given object, writing the necessary objects to the
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database. Outputs a blank line when the fetch is
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complete. Only objects which were reported in the ref list
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with a sha1 may be fetched this way.
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+
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Supported if the helper has the "fetch" capability.
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If a fatal error occurs, the program writes the error message to
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stderr and exits. The caller should expect that a suitable error
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message has been printed if the child closes the connection without
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completing a valid response for the current command.
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Additional commands may be supported, as may be determined from
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capabilities reported by the helper.
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CAPABILITIES
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------------
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'fetch'::
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This helper supports the 'fetch' command.
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REF LIST ATTRIBUTES
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-------------------
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None are defined yet, but the caller must accept any which are supplied.
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Documentation
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-------------
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Documentation by Daniel Barkalow.
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GIT
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---
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Part of the linkgit:git[1] suite
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