Hello, The attached three patches implement a bug fix, a simplification, and a new feature to ob-screen.
bug fix: 001 Execute last line in block (send newline) simplify: 002 Don't add extra characters to session name feature: 003 Accept :screenrc header argument I've signed the FSF docs but do not see my name here: https://orgmode.org/worg/org-contribute.html under "Current contributors". -k.
>From cb014cd2da79b30967dd24fba37d7f75569ed92d Mon Sep 17 00:00:00 2001 From: "Kenneth D. Mankoff" <mank...@gmail.com> Date: Tue, 14 Jul 2020 13:29:36 -0700 Subject: [PATCH 1/3] ob-screen: Execute last line in block (send newline) --- lisp/ob-screen.el | 1 + 1 file changed, 1 insertion(+) diff --git a/lisp/ob-screen.el b/lisp/ob-screen.el index 75a2dc691..3edc2c265 100644 --- a/lisp/ob-screen.el +++ b/lisp/ob-screen.el @@ -108,6 +108,7 @@ In case you want to use a different screen than one selected by your $PATH") (let ((tmpfile (org-babel-temp-file "screen-"))) (with-temp-file tmpfile (insert body) + (insert "\n") ;; org-babel has superfluous spaces (goto-char (point-min)) -- 2.25.1
>From e6ee8bff913da35a0183f8e2c1db7021342492d9 Mon Sep 17 00:00:00 2001 From: "Kenneth D. Mankoff" <mank...@gmail.com> Date: Tue, 14 Jul 2020 13:41:35 -0700 Subject: [PATCH 2/3] ob-screen: Respect :session name. Don't prepend 'org-babel-session-' --- etc/ORG-NEWS | 7 +++++++ lisp/ob-screen.el | 6 ++---- 2 files changed, 9 insertions(+), 4 deletions(-) diff --git a/etc/ORG-NEWS b/etc/ORG-NEWS index c366f61e0..623fa9dc3 100644 --- a/etc/ORG-NEWS +++ b/etc/ORG-NEWS @@ -380,6 +380,13 @@ From ~org-enable-priority-commands~ to ~org-priority-enable-commands~. From ~org-show-priority~ to ~org-priority-show~. ** Miscellaneous +*** =ob-screen.el=: Respect screen =:session= name + +Screen babel session are now named based on the =:session= header +argument (defaults to ~default~). + +Previously all session names had ~org-babel-session-~ prepended. + *** Forward/backward paragraph functions in line with the rest of Emacs ~org-forward-paragraph~ and ~org-backward-paragraph~, bound to ~<C-UP>~ and ~<C-DOWN>~ functions mimic more closely behaviour of diff --git a/lisp/ob-screen.el b/lisp/ob-screen.el index 3edc2c265..fe4698203 100644 --- a/lisp/ob-screen.el +++ b/lisp/ob-screen.el @@ -62,8 +62,7 @@ In case you want to use a different screen than one selected by your $PATH") (process-name (concat "org-babel: terminal (" session ")"))) (apply 'start-process process-name "*Messages*" terminal `("-T" ,(concat "org-babel: " session) "-e" ,org-babel-screen-location - "-c" "/dev/null" "-mS" ,(concat "org-babel-session-" session) - ,cmd)) + "-c" "/dev/null" "-mS" ,session ,cmd)) ;; XXX: Is there a better way than the following? (while (not (org-babel-screen-session-socketname session)) ;; wait until screen session is available before returning @@ -97,8 +96,7 @@ In case you want to use a different screen than one selected by your $PATH") nil (mapcar (lambda (x) - (when (string-match - (concat "org-babel-session-" session) x) + (when (string-match x) x)) sockets))))) (when match-socket (car (split-string match-socket))))) -- 2.25.1
>From 866f3c4788e58bf26dcf9c90cb7638f48a6a4ecc Mon Sep 17 00:00:00 2001 From: "Kenneth D. Mankoff" <mank...@gmail.com> Date: Tue, 14 Jul 2020 13:48:52 -0700 Subject: [PATCH 3/3] ob-screen: accept :screenrc header argument --- etc/ORG-NEWS | 6 ++++++ lisp/ob-screen.el | 5 +++-- 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/etc/ORG-NEWS b/etc/ORG-NEWS index 623fa9dc3..5fb2af22e 100644 --- a/etc/ORG-NEWS +++ b/etc/ORG-NEWS @@ -229,6 +229,12 @@ directory configured for ClojureScript will /not/ work. Babel Java blocks recognize header argument =:cmdargs= and pass its value in call to =java=. +*** =ob-screen.el=: Screen now accepts =:screenrc= header argument + +Screen blocks now recognize the =:screenrc= header argument and pass +its value to the screen command via the "-c" option. The default +remains =/dev/null= (i.e. a clean screen session) + *** =RET= and =C-j= now obey ~electric-indent-mode~ Since Emacs 24.4, ~electric-indent-mode~ is enabled by default. In diff --git a/lisp/ob-screen.el b/lisp/ob-screen.el index fe4698203..7115080f8 100644 --- a/lisp/ob-screen.el +++ b/lisp/ob-screen.el @@ -40,7 +40,7 @@ In case you want to use a different screen than one selected by your $PATH") (defvar org-babel-default-header-args:screen - '((:results . "silent") (:session . "default") (:cmd . "sh") (:terminal . "xterm")) + '((:results . "silent") (:session . "default") (:cmd . "sh") (:terminal . "xterm") (:screenrc . "/dev/null")) "Default arguments to use when running screen source blocks.") (defun org-babel-execute:screen (body params) @@ -59,10 +59,11 @@ In case you want to use a different screen than one selected by your $PATH") (let* ((session (cdr (assq :session params))) (cmd (cdr (assq :cmd params))) (terminal (cdr (assq :terminal params))) + (screenrc (cdr (assq :screenrc params))) (process-name (concat "org-babel: terminal (" session ")"))) (apply 'start-process process-name "*Messages*" terminal `("-T" ,(concat "org-babel: " session) "-e" ,org-babel-screen-location - "-c" "/dev/null" "-mS" ,session ,cmd)) + "-c" ,screenrc "-mS" ,session ,cmd)) ;; XXX: Is there a better way than the following? (while (not (org-babel-screen-session-socketname session)) ;; wait until screen session is available before returning -- 2.25.1