- (uidvalidity (gnus-group-get-parameter
- (gnus-group-prefixed-name
- group (gnus-server-to-method
- (format "nnimap:%s" server)))
- 'uidvalidity))
- (name (nnheader-translate-file-chars
- (concat nnimap-nov-file-name
- (if (equal server "")
- "unnamed"
- server) "." group nnimap-nov-file-name-suffix) t))
- (nameuid (nnheader-translate-file-chars
- (concat nnimap-nov-file-name
- (if (equal server "")
- "unnamed"
- server) "." group "." uidvalidity
- nnimap-nov-file-name-suffix) t))
- (oldfile (if (or nnmail-use-long-file-names
- (file-exists-p (expand-file-name name dir)))
- (expand-file-name name dir)
- (expand-file-name
- (mm-encode-coding-string
- (nnheader-replace-chars-in-string name ?. ?/)
- nnmail-pathname-coding-system)
- dir)))
- (newfile (if (or nnmail-use-long-file-names
- (file-exists-p (expand-file-name nameuid dir)))
- (expand-file-name nameuid dir)
- (expand-file-name
- (mm-encode-coding-string
- (nnheader-replace-chars-in-string nameuid ?. ?/)
- nnmail-pathname-coding-system)
- dir))))
- (if (and (file-exists-p oldfile)
- (not (file-exists-p newfile)))
- (progn
- (message "nnimap: Upgrading novcache filename...")
- (sit-for 1)
- (rename-file oldfile newfile)
- newfile)
- newfile)))
+ (uidvalidity (gnus-group-get-parameter
+ (gnus-group-prefixed-name
+ group (gnus-server-to-method
+ (format "nnimap:%s" server)))
+ 'uidvalidity))
+ (name (nnheader-translate-file-chars
+ (concat nnimap-nov-file-name
+ (if (equal server "")
+ "unnamed"
+ server) "." group nnimap-nov-file-name-suffix) t))
+ (nameuid (nnheader-translate-file-chars
+ (concat nnimap-nov-file-name
+ (if (equal server "")
+ "unnamed"
+ server) "." group "." uidvalidity
+ nnimap-nov-file-name-suffix) t))
+ (oldfile (if (or nnmail-use-long-file-names
+ (file-exists-p (expand-file-name name dir)))
+ (expand-file-name name dir)
+ (expand-file-name
+ (mm-encode-coding-string
+ (nnheader-replace-chars-in-string name ?. ?/)
+ nnmail-pathname-coding-system)
+ dir)))
+ (newfile (if (or nnmail-use-long-file-names
+ (file-exists-p (expand-file-name nameuid dir)))
+ (expand-file-name nameuid dir)
+ (expand-file-name
+ (mm-encode-coding-string
+ (nnheader-replace-chars-in-string nameuid ?. ?/)
+ nnmail-pathname-coding-system)
+ dir))))
+ (when (and (file-exists-p oldfile) (not (file-exists-p newfile)))
+ (message "nnimap: Upgrading novcache filename...")
+ (sit-for 1)
+ (gnus-make-directory (file-name-directory newfile))
+ (unless (ignore-errors (rename-file oldfile newfile) t)
+ (if (ignore-errors (copy-file oldfile newfile) t)
+ (delete-file oldfile)
+ (error "Can't rename `%s' to `%s'" oldfile newfile))))
+ newfile))