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>
1 parent 23a32ff
exec_cmd.h
#ifndef GIT_EXEC_CMD_H
#define GIT_EXEC_CMD_H
extern void git_set_argv_exec_path(const char *exec_path);
extern const char *git_extract_argv0_path(const char *path);
extern const char *git_exec_path(void);
extern void setup_path(void);
extern const char **prepare_git_cmd(const char **argv);
extern int execv_git_cmd(const char **argv); /* NULL terminated */
extern int execl_git_cmd(const char *cmd, ...);
extern const char *system_path(const char *path);
#endif /* GIT_EXEC_CMD_H */
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