Revision 3ba2e8653c88d220b0b22f35260477bb0afa7d7b authored by Johannes Sixt on 16 March 2011, 08:18:49 UTC, committed by Junio C Hamano on 17 March 2011, 21:54:11 UTC
'git stash create' must operate with a temporary index. For this purpose, it used 'cp -p' to create a copy. -p is needed to preserve the timestamp of the index file. Now Jakob Pfender reported a certain combination of a Linux NFS client, OpenBSD NFS server, and cp implementation where this operation failed. Luckily, the first operation in git-stash after copying the index is to call 'git read-tree'. Therefore, use --index-output instead of 'cp -p' to write the copy of the index. --index-output requires that the specified file is on the same volume as the source index, so that the lock file can be rename()d. For this reason, the name of the temporary index is constructed in a way different from the other temporary files. The code path of 'stash -p' also needs a temporary index, but we do not use the new name because it does not depend on the same precondition as --index-output. Signed-off-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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attr.h
#ifndef ATTR_H
#define ATTR_H
/* An attribute is a pointer to this opaque structure */
struct git_attr;
/*
* Given a string, return the gitattribute object that
* corresponds to it.
*/
struct git_attr *git_attr(const char *);
/* Internal use */
extern const char git_attr__true[];
extern const char git_attr__false[];
/* For public to check git_attr_check results */
#define ATTR_TRUE(v) ((v) == git_attr__true)
#define ATTR_FALSE(v) ((v) == git_attr__false)
#define ATTR_UNSET(v) ((v) == NULL)
/*
* Send one or more git_attr_check to git_checkattr(), and
* each 'value' member tells what its value is.
* Unset one is returned as NULL.
*/
struct git_attr_check {
struct git_attr *attr;
const char *value;
};
int git_checkattr(const char *path, int, struct git_attr_check *);
enum git_attr_direction {
GIT_ATTR_CHECKIN,
GIT_ATTR_CHECKOUT,
GIT_ATTR_INDEX
};
void git_attr_set_direction(enum git_attr_direction, struct index_state *);
#endif /* ATTR_H */
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