* lisp/net/tramp-compat.el (ls-lisp): Require.
* lisp/net/tramp.el (ls-lisp-use-insert-directory-program):
Don't declare.
(tramp-current-connection): Adapt docstring.
(tramp-debug-message): Adapt function names.
(tramp-error, tramp-run-real-handler): Let-bind `signal-hook-function'.
(tramp-signal-hook-function): New defun.
(tramp-debug-on-error, tramp-condition-case-unless-debug): Remove.
(tramp-file-name-handler): Handle `tramp-current-connection'.
Let-bind `signal-hook-function'. Use `unwind-protect' instead of
`tramp-condition-case-unless-debug'.
(tramp-handle-insert-directory): Don't require ls-lisp.
(tramp-process-actions): Check, that
`tramp-password-save-function' is non-nil.
(tramp-equal-remote): Handle the case both files are local.
* test/lisp/net/tramp-tests.el (tramp--test-instrument-test-case):
Do not bind `tramp-debug-on-error'.
(tramp--test-ignore-make-symbolic-link-error): Make error handler
more explicit about the error.
* lisp/net/tramp.el (tramp-handle-file-notify-rm-watch):
Read pending output.
* test/lisp/net/tramp-tests.el (tramp-test31-interrupt-process):
Use a timeout when reading process output.
* test/lisp/net/tramp-tests.el (tramp-list-tramp-buffers):
Declare `tramp-list-tramp-buffers'.
(tramp--test-ignore-make-symbolic-link-error)
(tramp--test-ignore-add-name-to-file-error): Improve declaration.
(tramp--test-with-proper-process-name-and-buffer): New macro.
(tramp-test43-asynchronous-requests): Use the macro for timer,
process filter and process sentinel. Comment the remote file
operation in the timer. Remove further async events. Accept
output from all processes.
* test/lisp/net/tramp-tests.el (tramp-test32-shell-command):
Check for backward compatibility.
(tramp-test33-environment-variables): Apply a better check for
unset variable.
* test/lisp/filenotify-tests.el (file-notify--deftest-remote):
Use tag :unstable if SKIP is non-nil.
* test/lisp/net/tramp-tests.el (tramp-test36-vc-registered):
Use ert-skip instead of (skip-unless nil).
* test/lisp/progmodes/python-tests.el
(python-tests--python-nav-end-of-statement--infloop): Use tag
:unstable instead of (skip-unless nil).
* lisp/files-x.el (cl-lib): Require when compiling.
(hack-connection-local-variables): Regard connection-local
variables as safe. (Bug#34943)
* lisp/shell.el (shell): Use `with-connection-local-variables' for
the whole code block. (Bug#34943)
* lisp/net/tramp-adb.el (tramp-connection-local-safe-shell-file-names):
Do not set values.
* lisp/net/tramp-integration.el
(tramp-connection-local-safe-shell-file-names): Remove.
(shell-file-name, shell-command-switch): Do not add safe-local-variable
property.
* lisp/net/tramp.el (tramp-handle-shell-command): Use proper
buffer name.
* test/lisp/net/tramp-tests.el (tramp-test34-explicit-shell-file-name):
Tag it :unstable.
* lisp/subr.el (process-file-shell-command):
Use `with-connection-local-variables'. Do not set "/bin/sh" for
remote buffers, trust settings of `shell-file-name'.
* lisp/net/tramp-adb.el (tramp-methods) <adb>:
* lisp/net/tramp-smb.el (tramp-methods) <smb>:
Remove `tramp-remote-shell' and `tramp-remote-shell-args'.
* lisp/net/tramp-sh.el (tramp-sh-handle-file-notify-add-watch)
(tramp-maybe-open-connection): Use proper read syntax for function
names.
* lisp/net/tramp.el (tramp-handle-shell-command): Do not use shell
file names from `tramp-methods'.
Respect `async-shell-command-buffer'. (Bug#24394, Bug#34172)
Use `start-file-process-shell-command' and `process-file-shell-command'.
* test/lisp/net/tramp-tests.el (tramp-test32-shell-command):
Let it run partly for tramp-adb.
* doc/emacs/custom.texi (Connection Variables): New node.
* doc/emacs/emacs.texi (Top): Add entry for Connection Variables.
* doc/emacs/misc.texi (Single Shell): Mention default value for
remote buffers.
* doc/lispref/variables.texi (Connection Local Variables):
Describe `with-connection-local-variables' instead of
`with-connection-local-profiles'.
* doc/misc/tramp.texi (Remote processes): Refer to Emacs manual.
Mention default connection-local settings for `shell-file-name'
and `shell-command-switch'.
* etc/NEWS: Mention connection-local variables changes.
* lisp/files-x.el (hack-connection-local-variables):
Push connection-local variables to `file-local-variables-alist'.
(connection-local-criteria-for-default-directory): New defsubst.
(with-connection-local-variables): Rename from
`with-connection-local-profiles'. Adapt implementation.
* lisp/files.el (hack-local-variables):
Call `hack-connection-local-variables'.
* lisp/shell.el (shell): Use `with-connection-local-variables'.
* lisp/subr.el (start-file-process-shell-command):
* lisp/progmodes/compile.el (compilation-start):
Use `with-connection-local-variables'. Do not set "/bin/sh" for
remote buffers, trust settings of `shell-file-name'. (Bug#24338),
(Bug#29723)
* lisp/net/ange-ftp.el (ange-ftp-compress, ange-ftp-uncompress):
Use `shell-command-switch'.
* lisp/net/tramp-adb.el (tramp-adb-connection-local-default-profile):
New defvar. Add it to connection-local profiles after loading "shell".
* lisp/net/tramp-integration.el (tramp-compat): Require tramp-compat.
(tramp-compat-exec-path): Do not declare anymore.
(tramp-connection-local-safe-shell-file-names): New defvar.
(tramp-connection-local-default-profile): New defconst. Activate
it after loading "shell".
(shell-file-name, shell-command-switch): Add safe-local-variable
property.
* lisp/net/tramp-sh.el (tramp-display-escape-sequence-regexp):
Add tramp-autoload cookie.
* test/lisp/files-x-tests.el (remote-shell-file-name):
Add safe-local-variable property to remote-* variables.
(tramp-connection-local-default-profile): Declare.
(files-x-test-with-connection-local-variables):
Rename from `files-x-test-with-connection-local-profiles'. Adapt
implementation.
* test/lisp/net/tramp-tests.el
(tramp-test34-connection-local-variables): New test.
(tramp-test34-explicit-shell-file-name): Run it also for tramp-adb.
Bind connection-local-{profile,criteria}-alist. Use tramp-adb
specific `shell-file-name'. Add safe-local-variable property to
`explicit-shell-file-name' and `explicit-sh-args'.
* lisp/net/tramp.el (tramp-accept-process-output): Rework timer
handling.
(tramp-call-process): Adapt VEC if nil.
(tramp-interrupt-process): Use `tramp-accept-process-output'.
(tramp-process-lines): New defun.
* lisp/net/tramp-adb.el (tramp-adb-parse-device-names):
* lisp/net/tramp-rclone.el (tramp-rclone-parse-device-names): Use it.
* lisp/net/tramp-gvfs.el (tramp-gvfs-handle-file-notify-add-watch):
Use timeout 0 in `tramp-accept-process-output'.
* test/lisp/net/tramp-tests.el (tramp--test-timeout-handler): Move up.
(tramp-test29-start-file-process, tramp-test30-make-process)
(tramp-test32-shell-command)
(tramp--test-shell-command-to-string-asynchronously): Use it.
(tramp-test35-remote-path): Suppress warning.
(tramp--test-asynchronous-requests-timeout): New defconst.
(tramp-test43-asynchronous-requests): Skip if not the only test.
Use `tramp--test-asynchronous-requests-timeout'.
Remove instrumentation. Use `start-process-shell-command' for
watchdog. Add timeout in timer function. Print status messages.
Remove file operations from sentinel. Suppress timers in
`accept-process-output'.
* test/lisp/net/tramp-tests.el (tramp-test06-directory-file-name):
Bind `tramp-default-method'.
(tramp--test-file-attributes-equal-p): New defsubst.
(tramp-test19-directory-files-and-attributes): Use it.