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[PATCH] Add a bit of developer documentation to pull.h 

Describe what to implement in fetch() and fetch_ref() for
pull backend writers a bit better.

Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Junio C Hamano 2005-06-25 02:26:29 -07:00 committed by Linus Torvalds
parent 613d872cfb
commit a81efcba8c
1 changed files with 15 additions and 6 deletions
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21
pull.h
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@ -1,24 +1,33 @@
#ifndef PULL_H
#define PULL_H
/** To be provided by the particular implementation. **/
/*
* Fetch object given SHA1 from the remote, and store it locally under
* GIT_OBJECT_DIRECTORY. Return 0 on success, -1 on failure. To be
* provided by the particular implementation.
*/
extern int fetch(unsigned char *sha1);
/*
* Fetch ref (relative to $GIT_DIR/refs) from the remote, and store
* the 20-byte SHA1 in sha1. Return 0 on success, -1 on failure. To
* be provided by the particular implementation.
*/
extern int fetch_ref(char *ref, unsigned char *sha1);
/** If set, the ref filename to write the target value to. **/
/* If set, the ref filename to write the target value to. */
extern const char *write_ref;
/** If set, the hash that the current value of write_ref must be. **/
/* If set, the hash that the current value of write_ref must be. */
extern const unsigned char *current_ref;
/** Set to fetch the target tree. */
/* Set to fetch the target tree. */
extern int get_tree;
/** Set to fetch the commit history. */
/* Set to fetch the commit history. */
extern int get_history;
/** Set to fetch the trees in the commit history. **/
/* Set to fetch the trees in the commit history. */
extern int get_all;
/* Set to zero to skip the check for delta object base;