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; Add some comments in Tramp

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Michael Albinus 2023-09-16 20:36:28 +02:00
parent 9e736d254a
commit 41a45373c1
2 changed files with 13 additions and 1 deletions
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2
lisp/net/tramp-gvfs.el
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@ -980,8 +980,8 @@ or `dbus-call-method-asynchronously'."
(vec bus service path interface)
"Return all properties of INTERFACE.
The call will be traced by Tramp with trace level 6."
;; Check, that interface exists at object path. Retrieve properties.
(declare (indent 1) (debug t))
;; Check, that interface exists at object path. Retrieve properties.
`(when (member
,interface
(tramp-dbus-function

12
lisp/net/tramp-sh.el
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@ -4166,6 +4166,18 @@ This function expects to be in the right *tramp* buffer."
;; On hydra.nixos.org, the $PATH environment variable is too long to
;; send it. This is likely not due to PATH_MAX, but PIPE_BUF. We
;; check it, and use a temporary file in case of. See Bug#33781.
;; The PIPE_BUF in POSIX [1] can be as low as 512 [2]. Here are the values
;; on various platforms:
;; - 512 on macOS, FreeBSD, NetBSD, OpenBSD, MirBSD, native Windows.
;; - 4 KiB on Linux, OSF/1, Cygwin, Haiku.
;; - 5 KiB on Solaris.
;; - 8 KiB on HP-UX, Plan9.
;; - 10 KiB on IRIX.
;; - 32 KiB on AIX, Minix.
;; [1] https://pubs.opengroup.org/onlinepubs/9699919799/functions/write.html
;; [2] https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/limits.h.html
;; See Bug#65324.
(defun tramp-set-remote-path (vec)
"Set the remote environment PATH to existing directories.
I.e., for each directory in `tramp-remote-path', it is tested