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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archive.h
#ifndef ARCHIVE_H
#define ARCHIVE_H
struct archiver_args {
const char *base;
size_t baselen;
struct tree *tree;
const unsigned char *commit_sha1;
const struct commit *commit;
time_t time;
const char **pathspec;
unsigned int verbose : 1;
unsigned int worktree_attributes : 1;
int compression_level;
};
typedef int (*write_archive_fn_t)(struct archiver_args *);
typedef int (*write_archive_entry_fn_t)(struct archiver_args *args, const unsigned char *sha1, const char *path, size_t pathlen, unsigned int mode, void *buffer, unsigned long size);
/*
* Archive-format specific backends.
*/
extern int write_tar_archive(struct archiver_args *);
extern int write_zip_archive(struct archiver_args *);
extern int write_archive_entries(struct archiver_args *args, write_archive_entry_fn_t write_entry);
extern int write_archive(int argc, const char **argv, const char *prefix, int setup_prefix);
#endif /* ARCHIVE_H */
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