* bug#26591: 26.0.50; Using local emacs+tramp with remote emacsclient @ 2017-04-21 16:15 Peder O. Klingenberg 2017-04-28 9:42 ` Eli Zaretskii 0 siblings, 1 reply; 7+ messages in thread From: Peder O. Klingenberg @ 2017-04-21 16:15 UTC (permalink / raw) To: 26591 [-- Attachment #1: Type: text/plain, Size: 1083 bytes --] My workstation is running a bleeding edge emacs full-screen in a dedicated display. When working on a server, from time to time I use programs that invoke the shell EDITOR. I can set EDITOR to emacsclient, but that will just open emacs on the remote machine, which is not what I want. I want whatever editing job needs doing to pop up in my local fullscreen emacs. I can ssh to the server, so obviously I can use my local emacs to edit files there via Tramp. And server.el already has functionality for listening on a TCP port, which is easily forwarded over ssh (there are various hacks out there for forwarding unix domain sockets as well, which I haven't tried). The missing piece is simply a way to let emacsclient instruct emacs that the files it passes to emacs are remote. Attached is a patch for your consideration which accomplishes this. Additionally, it would be handy to have some tooling for conveniently forwarding the correct ports and setting up EDITOR with the correct -T option on the remote machine, but that is outside the scope of emacs code, I think. [-- Warning: decoded text below may be mangled, UTF-8 assumed --] [-- Attachment #2: 0001-New-option-T-tramp-for-remote-editing-with-emacsclie.patch --] [-- Type: text/x-patch, Size: 5777 bytes --] From 8a9b508809bf5bef2a797340614cbc4cb0c73a5a Mon Sep 17 00:00:00 2001 From: "Peder O. Klingenberg" <peder@klingenberg.no> Date: Fri, 21 Apr 2017 17:16:08 +0200 Subject: [PATCH] New option -T / --tramp for remote editing with emacsclient In combination with existing functionality for having server.el listen on tcp ports, enables emacsclient on a remote machine to instruct the local emacs to open remote files via Tramp. Useful with remote programs that invoke EDITOR. * lib-src/emacsclient.c (main, decode_options) (print_help_and_exit, longopts): New option --tramp / -T which specifies how emacs should use tramp to find remote files. * doc/emacs/misc.texi (emacsclient Options): Document new --tramp / -T options. --- doc/emacs/misc.texi | 30 ++++++++++++++++++++++++++++++ etc/NEWS | 6 ++++++ lib-src/emacsclient.c | 20 ++++++++++++++++++-- 3 files changed, 54 insertions(+), 2 deletions(-) diff --git a/doc/emacs/misc.texi b/doc/emacs/misc.texi index bcc20a6db1..34a9d885bf 100644 --- a/doc/emacs/misc.texi +++ b/doc/emacs/misc.texi @@ -1872,6 +1872,36 @@ emacsclient Options server is using the graphical display, but if the Emacs server is running on a text terminal, it creates a new frame in the current text terminal. + +@item -T @var{tramp-prefix} +@itemx --tramp-prefix=@var{tramp-prefix} +@cindex @env{EMACSCLIENT_TRAMP} environment variable +Prefix to add to filenames for emacs to locate files on remote +machines through TRAMP. This is mostly useful in combination with +setting @code{server-use-tcp} to non-@code{nil}, ssh-forwarding the +listening port, and making the @var{server-file} available to +@command{emacsclient}. This combination allows programs on a remote +machine to use @command{emacsclient} as @env{EDITOR}, but instead of +starting emacs on the remote machine, the files will be opened in the +local emacs through TRAMP. + +Setting the environment variable @env{EMACSCLIENT_TRAMP} has the same +effect as using this option. If both are specified, the explicit +option will take precedence. + +For example, assume two hosts, @samp{local} and @samp{remote}, with +@samp{/home} on a shared file system, and that the local emacs listens +on tcp port 12345: + +@example +local$ ssh -R12345:localhost:12345 remote +remote$ export EDITOR="emacsclient \ + --server-file=server \ + --tramp=/ssh:remote:' +remote$ $EDITOR /tmp/foo.txt #Should open in local emacs. +@end example + +@xref{Top, The Tramp Manual,,tramp, The Tramp Manual} @end table The new graphical or text terminal frames created by the @samp{-c} diff --git a/etc/NEWS b/etc/NEWS index 76c9dbc331..4599efd7da 100644 --- a/etc/NEWS +++ b/etc/NEWS @@ -340,6 +340,12 @@ want to reverse the direction of the scroll, customize ** Emacsclient has a new option -u/--suppress-output. The option suppresses display of return values from the server process. ++++ +** Emacsclient has a new option -T/--tramp. This helps with using a +local emacs as the target for a remote emacsclient. With appropriate +setup, one can now set EDITOR on a remote machine to emacsclient, and +use the local emacs to edit remote files via Tramp. + \f * Editing Changes in Emacs 26.1 diff --git a/lib-src/emacsclient.c b/lib-src/emacsclient.c index 7b735dfb05..0661480f58 100644 --- a/lib-src/emacsclient.c +++ b/lib-src/emacsclient.c @@ -149,6 +149,9 @@ const char *socket_name = NULL; /* If non-NULL, the filename of the authentication file. */ const char *server_file = NULL; +/* If non-NULL, the tramp prefix emacs must use to find the files. */ +const char *tramp_prefix = NULL; + /* PID of the Emacs server process. */ int emacs_pid = 0; @@ -178,6 +181,7 @@ struct option longopts[] = { "server-file", required_argument, NULL, 'f' }, { "display", required_argument, NULL, 'd' }, { "parent-id", required_argument, NULL, 'p' }, + { "tramp", required_argument, NULL, 'T' }, { 0, 0, 0, 0 } }; @@ -468,14 +472,15 @@ static void decode_options (int argc, char **argv) { alternate_editor = egetenv ("ALTERNATE_EDITOR"); + tramp_prefix = egetenv ("EMACSCLIENT_TRAMP"); while (1) { int opt = getopt_long_only (argc, argv, #ifndef NO_SOCKETS_IN_FILE_SYSTEM - "VHnequa:s:f:d:F:tc", + "VHnequa:s:f:d:F:tcT:", #else - "VHnequa:f:d:F:tc", + "VHnequa:f:d:F:tcT:", #endif longopts, 0); @@ -554,6 +559,10 @@ decode_options (int argc, char **argv) frame_parameters = optarg; break; + case 'T': + tramp_prefix = optarg; + break; + default: message (true, "Try '%s --help' for more information\n", progname); exit (EXIT_FAILURE); @@ -654,6 +663,9 @@ The following OPTIONS are accepted:\n\ Editor to fallback to if the server is not running\n" " If EDITOR is the empty string, start Emacs in daemon\n\ mode and try connecting again\n" +"-T PREFIX, --tramp=PREFIX\n\ + PREFIX to filenames emacs needs to use to find files\n\ + local to emacsclient\n" "\n\ Report bugs with M-x report-emacs-bug.\n"); exit (EXIT_SUCCESS); @@ -1687,6 +1699,8 @@ main (int argc, char **argv) } } send_to_emacs (emacs_socket, "-dir "); + if (tramp_prefix) + quote_argument (emacs_socket, tramp_prefix); quote_argument (emacs_socket, cwd); send_to_emacs (emacs_socket, "/"); send_to_emacs (emacs_socket, " "); @@ -1791,6 +1805,8 @@ main (int argc, char **argv) #endif send_to_emacs (emacs_socket, "-file "); + if (tramp_prefix && file_name_absolute_p (argv[i])) + quote_argument (emacs_socket, tramp_prefix); quote_argument (emacs_socket, argv[i]); send_to_emacs (emacs_socket, " "); } -- 2.11.0 [-- Attachment #3: Type: text/plain, Size: 19009 bytes --] In GNU Emacs 26.0.50 (build 1, x86_64-apple-darwin14.5.0, NS appkit-1348.17 Version 10.10.5 (Build 14F2315)) of 2017-04-14 built on modesty.local Repository revision: e6750596ef55352c260c200747bec3303e181fe8 Windowing system distributor 'Apple', version 10.3.1348 Recent messages: Searching for ‘0000’.... 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* bug#26591: 26.0.50; Using local emacs+tramp with remote emacsclient 2017-04-21 16:15 bug#26591: 26.0.50; Using local emacs+tramp with remote emacsclient Peder O. Klingenberg @ 2017-04-28 9:42 ` Eli Zaretskii 2017-04-28 11:29 ` Peder O. Klingenberg 2017-04-29 19:45 ` Peder O. Klingenberg 0 siblings, 2 replies; 7+ messages in thread From: Eli Zaretskii @ 2017-04-28 9:42 UTC (permalink / raw) To: Peder O. Klingenberg; +Cc: 26591 > From: peder@klingenberg.no (Peder O. Klingenberg) > Date: Fri, 21 Apr 2017 18:15:25 +0200 > > My workstation is running a bleeding edge emacs full-screen in a > dedicated display. When working on a server, from time to time I use > programs that invoke the shell EDITOR. I can set EDITOR to emacsclient, > but that will just open emacs on the remote machine, which is not what I > want. I want whatever editing job needs doing to pop up in my local > fullscreen emacs. > > I can ssh to the server, so obviously I can use my local emacs to edit > files there via Tramp. And server.el already has functionality for > listening on a TCP port, which is easily forwarded over ssh (there are > various hacks out there for forwarding unix domain sockets as well, > which I haven't tried). > > The missing piece is simply a way to let emacsclient instruct emacs that > the files it passes to emacs are remote. Attached is a patch for your > consideration which accomplishes this. > > Additionally, it would be handy to have some tooling for conveniently > forwarding the correct ports and setting up EDITOR with the correct -T > option on the remote machine, but that is outside the scope of emacs > code, I think. Thanks, I think this will be a welcome feature. Please see a few comments below. > --- a/doc/emacs/misc.texi > +++ b/doc/emacs/misc.texi > @@ -1872,6 +1872,36 @@ emacsclient Options > server is using the graphical display, but if the Emacs server is > running on a text terminal, it creates a new frame in the current text > terminal. > + > +@item -T @var{tramp-prefix} > +@itemx --tramp-prefix=@var{tramp-prefix} > +@cindex @env{EMACSCLIENT_TRAMP} environment variable > +Prefix to add to filenames for emacs to locate files on remote > +machines through TRAMP. This is mostly useful in combination with > +setting @code{server-use-tcp} to non-@code{nil}, ssh-forwarding the > +listening port, and making the @var{server-file} available to > +@command{emacsclient}. server-use-tcp is not described in the manual, so I think we should add its description somewhere, and then reference that place from this text. > +For example, assume two hosts, @samp{local} and @samp{remote}, with > +@samp{/home} on a shared file system, and that the local emacs listens > +on tcp port 12345: "/home" should be in @file, not @samp. Also, I don't see "/home" used anywhere in the example, so something is missing here. > +@example > +local$ ssh -R12345:localhost:12345 remote > +remote$ export EDITOR="emacsclient \ > + --server-file=server \ > + --tramp=/ssh:remote:' The value of EDITOR begins with a ", but ends with a ', which is probably a mistake. > + if (tramp_prefix && file_name_absolute_p (argv[i])) > + quote_argument (emacs_socket, tramp_prefix); Why the test for argv[i] being an absolute file name? And if relative file names cannot be supported, I think emacsclient should emit an error message rather than silently ignoring --tramp. ^ permalink raw reply [flat|nested] 7+ messages in thread
* bug#26591: 26.0.50; Using local emacs+tramp with remote emacsclient 2017-04-28 9:42 ` Eli Zaretskii @ 2017-04-28 11:29 ` Peder O. Klingenberg 2017-04-29 19:45 ` Peder O. Klingenberg 1 sibling, 0 replies; 7+ messages in thread From: Peder O. Klingenberg @ 2017-04-28 11:29 UTC (permalink / raw) To: 26591 On Fri, Apr 28 2017 at 12:42, Eli Zaretskii wrote: > Also, I don't see "/home" used anywhere in the example, so something > is missing here. The shared file system is just the easiest way for emacs and emacsclient to both see the same server file, containing port number and security cookie. The default placement of that file is in ~/.emacs.d/server, and a shared /home makes sure it's reachable from both server and client. I can see how that would be unclear. I'll improve it, and fix the other things you pointed out. > Why the test for argv[i] being an absolute file name? And if relative > file names cannot be supported, I think emacsclient should emit an > error message rather than silently ignoring --tramp. The previous hunk of the patch adds the tramp prefix to the -dir argument, which ends up setting `default-directory' for the server buffers. That makes relative filenames work. With an absolute filename, if we don't prepend the tramp prefix, the `default-directory' is ignored serverside and emacs tries to open a local-to-emacs absolute file. So we need to prepend the tramp formula to tell emacs that the absolute filename is remote. It would probably do no harm to include the tramp prefix on non-absolute filenames as well, but it's not necessary, due to the previous -dir. ...Peder... -- I wish a new life awaited _me_ in some off-world colony. ^ permalink raw reply [flat|nested] 7+ messages in thread
* bug#26591: 26.0.50; Using local emacs+tramp with remote emacsclient 2017-04-28 9:42 ` Eli Zaretskii 2017-04-28 11:29 ` Peder O. Klingenberg @ 2017-04-29 19:45 ` Peder O. Klingenberg 2017-05-19 8:54 ` Eli Zaretskii 1 sibling, 1 reply; 7+ messages in thread From: Peder O. Klingenberg @ 2017-04-29 19:45 UTC (permalink / raw) To: Eli Zaretskii; +Cc: 26591 [-- Attachment #1: Type: text/plain, Size: 1391 bytes --] Eli Zaretskii <eliz@gnu.org> writes: > server-use-tcp is not described in the manual, so I think we should > add its description somewhere, and then reference that place from this > text. I added a new node to the manual, "TCP Emacs server", and collected/wrote documentation on the various related variables there. Does this type of doc reorganization require its own NEWS entry? I didn't see the point, and so didn't write any. As this is only tangentially related to the new feature, I made it into a separate patch. The updated feature patch applies on top of this documentation patch, and references the new node. > "/home" should be in @file, not @samp. Also, I don't see "/home" used > anywhere in the example, so something is missing here. I have hopefully clarified the wording and fixed the tagging and typos. I noticed while writing the TCP server doc that Emacs was capitalized elsewhere in the docs, so I updated the capitalization in the paragraphs on the new option. Jeez, writing good docs is hard. Criticisms welcome. :) > Why the test for argv[i] being an absolute file name? And if relative > file names cannot be supported, I think emacsclient should emit an > error message rather than silently ignoring --tramp. As I explained in my previous mail, both absolute and relative filenames are supported. There are no code changes in this updated patch set. [-- Warning: decoded text below may be mangled, UTF-8 assumed --] [-- Attachment #2: 0001-Improve-documentation-of-TCP-mode-of-server.el.patch --] [-- Type: text/x-patch, Size: 5240 bytes --] From f5a4c2ef877a476a1f2bfb8f3eb07cba7c641234 Mon Sep 17 00:00:00 2001 From: "Peder O. Klingenberg" <peder@klingenberg.no> Date: Sat, 29 Apr 2017 01:18:30 +0200 Subject: [PATCH] Improve documentation of TCP mode of server.el * doc/emacs/misc.texi (TCP Emacs server): New subsection describing the various knobs to tune server.el for TCP opereation. (emacsclient Options): Reference "TCP Emacs server" from description of --server-file. --- doc/emacs/misc.texi | 80 +++++++++++++++++++++++++++++++++++++++++------------ 1 file changed, 63 insertions(+), 17 deletions(-) diff --git a/doc/emacs/misc.texi b/doc/emacs/misc.texi index bcc20a6db1..c8504fef49 100644 --- a/doc/emacs/misc.texi +++ b/doc/emacs/misc.texi @@ -1661,10 +1661,66 @@ Emacs Server signaled.) Currently, this feature is mainly useful for developers. @menu +* TCP Emacs server:: Listening to a TCP socket. * Invoking emacsclient:: Connecting to the Emacs server. * emacsclient Options:: Emacs client startup options. @end menu +@node TCP Emacs server +@subsection TCP Emacs server +@cindex TCP Emacs server + +@vindex server-use-tcp + By default, the Emacs server will listen to a local unix domain +socket. In some cases it is useful to have it listen on a TCP socket +instead. Examples of such cases are operating systems like Microsoft +Windows that don't support local sockets, and if you need to contact +the Emacs server from a remote machine. You can set +@code{server-use-tcp} to non-@code{nil} to have Emacs listen on a TCP +socket instead of a local socket. This is the default if your OS does +not support local sockets. + +@vindex server-host +@vindex server-port + If the Emacs server is set to use TCP, it will by default listen to +a random port on the localhost interface. This can be changed to +another interface and/or a fixed port using the variables +@code{server-host} and @code{server-port}. + +@vindex server-auth-key + A TCP socket is not subject to file system permissions. To retain +some control over who can talk to a TCP Emacs server, the +@command{emacsclient} program must send an authorization key to the +server. This key is normally randomly generated by the Emacs server. +This is the recommended mode of operation. + +@findex server-generate-key + If needed, you can set it to a static value by setting the +@code{server-auth-key} variable. The key must consist of 64 ASCII +printable characters except for space (this means characters from ! to +~; or from code 33 to 126). You can use @kbd{M-x server-generate-key} +to get a random key. + +@vindex server-auth-dir +@cindex server file + When you start a TCP Emacs server, Emacs creates a @dfn{server file} +containing the TCP information to be used by @command{emacsclient} to +connect to the server. The variable @code{server-auth-dir} specifies +the directory containing the server file; by default, this is +@file{~/.emacs.d/server/}. In the absence of a local socket with file +permissions, it is the permissions of this directory that determines +who can talk to the Emacs server. + +@cindex @env{EMACS_SERVER_FILE} environment variable + To tell @command{emacsclient} to connect to the server over TCP with a +specific server file, use the @samp{-f} or @samp{--server-file} +option, or set the @env{EMACS_SERVER_FILE} environment variable +(@pxref{emacsclient Options}). If @code{server-auth-dir} is set to a +non-standard value, @command{emacsclient} needs an absolute path to the +server file, as the default @code{server-auth-dir} is hardcoded in +@command{emacsclient} as the base of relative filenames. + + @node Invoking emacsclient @subsection Invoking @code{emacsclient} @cindex @code{emacsclient} invocation @@ -1810,25 +1866,15 @@ emacsclient Options @item -f @var{server-file} @itemx --server-file=@var{server-file} -@cindex @env{EMACS_SERVER_FILE} environment variable Specify a @dfn{server file} for connecting to an Emacs server via TCP. -An Emacs server usually uses a -local socket to listen for connections. Some operating systems, -such as Microsoft Windows, do not support local sockets; in that case, -the server communicates with @command{emacsclient} via TCP. - -@vindex server-auth-dir -@cindex server file -@vindex server-port -When you start a TCP Emacs server, Emacs creates a @dfn{server file} -containing the TCP information to be used by @command{emacsclient} to -connect to the server. The variable @code{server-auth-dir} specifies -the directory containing the server file; by default, this is -@file{~/.emacs.d/server/}. To tell @command{emacsclient} to connect -to the server over TCP with a specific server file, use the @samp{-f} -or @samp{--server-file} option, or set the @env{EMACS_SERVER_FILE} -environment variable. +An Emacs server usually uses a local socket to listen for connections, +but also supports connections over TCP. To connect to a TCP Emacs +server, @command{emacsclient} needs to read a @dfn{server file} +containing the connection details of the Emacs server. The name of +this file is specified with this option, either as a file name +relative to @file{~/.emacs.d/server} or as an absolute file name. +@xref{TCP Emacs server}. @item -n @itemx --no-wait -- 2.11.0 [-- Warning: decoded text below may be mangled, UTF-8 assumed --] [-- Attachment #3: 0002-New-option-T-tramp-for-remote-editing-with-emacsclie.patch --] [-- Type: text/x-patch, Size: 6189 bytes --] From 724e7d83948e7efd93f22c18d534321c461f6cbc Mon Sep 17 00:00:00 2001 From: "Peder O. Klingenberg" <peder@klingenberg.no> Date: Fri, 21 Apr 2017 17:16:08 +0200 Subject: [PATCH] New option -T / --tramp for remote editing with emacsclient In combination with existing functionality for having server.el listen on tcp ports, enables emacsclient on a remote machine to instruct the local emacs to open remote files via Tramp. Useful with remote programs that invoke EDITOR. * lib-src/emacsclient.c (main, decode_options) (print_help_and_exit, longopts): New option --tramp / -T which specifies how emacs should use tramp to find remote files. * doc/emacs/misc.texi (emacsclient Options): Document new --tramp / -T options. (Bug#26591) --- doc/emacs/misc.texi | 34 +++++++++++++++++++++++++++++++++- etc/NEWS | 6 ++++++ lib-src/emacsclient.c | 20 ++++++++++++++++++-- 3 files changed, 57 insertions(+), 3 deletions(-) diff --git a/doc/emacs/misc.texi b/doc/emacs/misc.texi index c8504fef49..3c6a192ca6 100644 --- a/doc/emacs/misc.texi +++ b/doc/emacs/misc.texi @@ -1720,7 +1720,6 @@ TCP Emacs server server file, as the default @code{server-auth-dir} is hardcoded in @command{emacsclient} as the base of relative filenames. - @node Invoking emacsclient @subsection Invoking @code{emacsclient} @cindex @code{emacsclient} invocation @@ -1918,6 +1917,39 @@ emacsclient Options server is using the graphical display, but if the Emacs server is running on a text terminal, it creates a new frame in the current text terminal. + +@item -T @var{tramp-prefix} +@itemx --tramp-prefix=@var{tramp-prefix} +@cindex @env{EMACSCLIENT_TRAMP} environment variable +Prefix to add to filenames for Emacs to locate files on remote +machines through TRAMP. This is mostly useful in combination with +using the Emacs server over TCP. By ssh-forwarding the listening port +and making the @var{server-file} available on a remote machine, +programs on the remote machine can use @command{emacsclient} as +@env{EDITOR}, but instead of starting Emacs on the remote machine, the +files will be opened in the local Emacs through TRAMP. + +Setting the environment variable @env{EMACSCLIENT_TRAMP} has the same +effect as using this option. If both are specified, the explicit +option will take precedence. + +For example, assume two hosts, @samp{local} and @samp{remote}, and +that the local Emacs listens on tcp port 12345. Assume further that +@file{/home} is on a shared file system, so that the server file +@file{~/.emacs.d/server/server} is readable on both hosts without +further magic. + +@example +local$ ssh -R12345:localhost:12345 remote +remote$ export EDITOR="emacsclient \ + --server-file=server \ + --tramp=/ssh:remote:" +remote$ $EDITOR /tmp/foo.txt #Should open in local emacs. +@end example + +@xref{TCP Emacs server}, and @xref{Top, The Tramp Manual,,tramp, The +Tramp Manual}. + @end table The new graphical or text terminal frames created by the @samp{-c} diff --git a/etc/NEWS b/etc/NEWS index 76c9dbc331..4599efd7da 100644 --- a/etc/NEWS +++ b/etc/NEWS @@ -340,6 +340,12 @@ want to reverse the direction of the scroll, customize ** Emacsclient has a new option -u/--suppress-output. The option suppresses display of return values from the server process. ++++ +** Emacsclient has a new option -T/--tramp. This helps with using a +local emacs as the target for a remote emacsclient. With appropriate +setup, one can now set EDITOR on a remote machine to emacsclient, and +use the local emacs to edit remote files via Tramp. + \f * Editing Changes in Emacs 26.1 diff --git a/lib-src/emacsclient.c b/lib-src/emacsclient.c index 7b735dfb05..0661480f58 100644 --- a/lib-src/emacsclient.c +++ b/lib-src/emacsclient.c @@ -149,6 +149,9 @@ const char *socket_name = NULL; /* If non-NULL, the filename of the authentication file. */ const char *server_file = NULL; +/* If non-NULL, the tramp prefix emacs must use to find the files. */ +const char *tramp_prefix = NULL; + /* PID of the Emacs server process. */ int emacs_pid = 0; @@ -178,6 +181,7 @@ struct option longopts[] = { "server-file", required_argument, NULL, 'f' }, { "display", required_argument, NULL, 'd' }, { "parent-id", required_argument, NULL, 'p' }, + { "tramp", required_argument, NULL, 'T' }, { 0, 0, 0, 0 } }; @@ -468,14 +472,15 @@ static void decode_options (int argc, char **argv) { alternate_editor = egetenv ("ALTERNATE_EDITOR"); + tramp_prefix = egetenv ("EMACSCLIENT_TRAMP"); while (1) { int opt = getopt_long_only (argc, argv, #ifndef NO_SOCKETS_IN_FILE_SYSTEM - "VHnequa:s:f:d:F:tc", + "VHnequa:s:f:d:F:tcT:", #else - "VHnequa:f:d:F:tc", + "VHnequa:f:d:F:tcT:", #endif longopts, 0); @@ -554,6 +559,10 @@ decode_options (int argc, char **argv) frame_parameters = optarg; break; + case 'T': + tramp_prefix = optarg; + break; + default: message (true, "Try '%s --help' for more information\n", progname); exit (EXIT_FAILURE); @@ -654,6 +663,9 @@ The following OPTIONS are accepted:\n\ Editor to fallback to if the server is not running\n" " If EDITOR is the empty string, start Emacs in daemon\n\ mode and try connecting again\n" +"-T PREFIX, --tramp=PREFIX\n\ + PREFIX to filenames emacs needs to use to find files\n\ + local to emacsclient\n" "\n\ Report bugs with M-x report-emacs-bug.\n"); exit (EXIT_SUCCESS); @@ -1687,6 +1699,8 @@ main (int argc, char **argv) } } send_to_emacs (emacs_socket, "-dir "); + if (tramp_prefix) + quote_argument (emacs_socket, tramp_prefix); quote_argument (emacs_socket, cwd); send_to_emacs (emacs_socket, "/"); send_to_emacs (emacs_socket, " "); @@ -1791,6 +1805,8 @@ main (int argc, char **argv) #endif send_to_emacs (emacs_socket, "-file "); + if (tramp_prefix && file_name_absolute_p (argv[i])) + quote_argument (emacs_socket, tramp_prefix); quote_argument (emacs_socket, argv[i]); send_to_emacs (emacs_socket, " "); } -- 2.11.0 [-- Attachment #4: Type: text/plain, Size: 13 bytes --] ...Peder... ^ permalink raw reply related [flat|nested] 7+ messages in thread
* bug#26591: 26.0.50; Using local emacs+tramp with remote emacsclient 2017-04-29 19:45 ` Peder O. Klingenberg @ 2017-05-19 8:54 ` Eli Zaretskii 2017-05-19 13:36 ` Peder O. Klingenberg 0 siblings, 1 reply; 7+ messages in thread From: Eli Zaretskii @ 2017-05-19 8:54 UTC (permalink / raw) To: Peder O. Klingenberg; +Cc: 26591-done > From: peder@klingenberg.no (Peder O. Klingenberg) > Cc: 26591@debbugs.gnu.org > Date: Sat, 29 Apr 2017 21:45:15 +0200 > > Eli Zaretskii <eliz@gnu.org> writes: > > > server-use-tcp is not described in the manual, so I think we should > > add its description somewhere, and then reference that place from this > > text. > > I added a new node to the manual, "TCP Emacs server", and > collected/wrote documentation on the various related variables there. Thanks. > Does this type of doc reorganization require its own NEWS entry? No. > Jeez, writing good docs is hard. Criticisms welcome. :) I made minor changes in your wording, see the commit for details. One thing I'd like you to try to remember for the future: any additional nodes you add need to be added to the master menu in emacs.texi, otherwise makeinfo might barf (did you run it?). Thanks for your work, I pushed your changes to the master branch. ^ permalink raw reply [flat|nested] 7+ messages in thread
* bug#26591: 26.0.50; Using local emacs+tramp with remote emacsclient 2017-05-19 8:54 ` Eli Zaretskii @ 2017-05-19 13:36 ` Peder O. Klingenberg 2017-05-19 14:35 ` Eli Zaretskii 0 siblings, 1 reply; 7+ messages in thread From: Peder O. Klingenberg @ 2017-05-19 13:36 UTC (permalink / raw) To: Eli Zaretskii; +Cc: 26591-done On Fri, May 19 2017 at 11:54, Eli Zaretskii wrote: > One thing I'd like you to try to remember for the future: any > additional nodes you add need to be added to the master menu in > emacs.texi, otherwise makeinfo might barf Thanks, I'll try to remember that next time. (Sorry, I'm just cargo-culting the docs, I don't really know texinfo.) > (did you run it?). I tested my edits by running `make install-info`, killing the *info* buffer and starting anew with C-h i and navigating down. I assumed that did all that needed doing, as my changes were in fact installed and browsable. I did not notice any errors from the make runs. (That was a bit cumbersome, btw. Is there a better way of testing info output?) ...Peder... -- I wish a new life awaited _me_ in some off-world colony. ^ permalink raw reply [flat|nested] 7+ messages in thread
* bug#26591: 26.0.50; Using local emacs+tramp with remote emacsclient 2017-05-19 13:36 ` Peder O. Klingenberg @ 2017-05-19 14:35 ` Eli Zaretskii 0 siblings, 0 replies; 7+ messages in thread From: Eli Zaretskii @ 2017-05-19 14:35 UTC (permalink / raw) To: Peder O. Klingenberg; +Cc: 26591 > From: peder@klingenberg.no (Peder O. Klingenberg) > Cc: 26591-done@debbugs.gnu.org > Date: Fri, 19 May 2017 15:36:40 +0200 > > > (did you run it?). > > I tested my edits by running `make install-info`, killing the *info* > buffer and starting anew with C-h i and navigating down. I assumed that > did all that needed doing, as my changes were in fact installed and > browsable. I did not notice any errors from the make runs. > > (That was a bit cumbersome, btw. Is there a better way of testing info > output?) What I do is run "make", then "M-x revert-buffer RET" in the *info* buffer. ^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2017-05-19 14:35 UTC | newest] Thread overview: 7+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2017-04-21 16:15 bug#26591: 26.0.50; Using local emacs+tramp with remote emacsclient Peder O. Klingenberg 2017-04-28 9:42 ` Eli Zaretskii 2017-04-28 11:29 ` Peder O. Klingenberg 2017-04-29 19:45 ` Peder O. Klingenberg 2017-05-19 8:54 ` Eli Zaretskii 2017-05-19 13:36 ` Peder O. Klingenberg 2017-05-19 14:35 ` Eli Zaretskii
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