With auto-image-file-mode turned on, `!' (`dired-do-shell-command')
called on a image file in the *Locate* buffer (created by the
`M-x locate' command) doesn't work, because `dired-get-filename'
puts "/:" at the beginning of the file name, and then the file name
with the leading "/:" is given as an argument to the shell command.
It seems the correct fix is to put safe-magic property:
(put 'image-file-handler 'safe-magic t)
in image-file.el.
But generally, the solution of using safe-magic doesn't seem
right to me. Maybe a better solution would be to eliminate
safe-magic property entirely, and to let `dired-get-filename'
to always add "/:", but to remove it somewhere in low-level
functions (e.g. in `call-process' or `file-name-non-special')
just before giving a file name to the external command.
This will also allow the correct processing of commands
where users put "/:" explicitly, for example:
C-x C-f /:/some/dir/file.gz RET
which currently doesn't work.
BTW, auto-image-file-mode doesn't handle image files visited
inside compressed files visited with auto-compression-mode.
Are there plans to improve auto-image-file-mode to handle
such situations? This is a necessary feature.
--
Juri Linkov
http://www.jurta.org/emacs/
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