phundrak/eshell-info-banner.el
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Merge pull request #7 from juergenhoetzel/tramp

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Use tramp aware functions and paths
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Lucien Cartier-Tilet 2021-05-14 10:24:57 +02:00 committed by GitHub
commit c2c7093c58
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1 changed files with 28 additions and 17 deletions
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eshell-info-banner.el
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@ -47,6 +47,11 @@
; Custom variables ;;;;;;;;;;;;;;;;;;;; ; Custom variables ;;;;;;;;;;;;;;;;;;;;
(defcustom eshell-info-banner-tramp-aware t
"Make `eshell-info-banner' TRAMP aware."
:group 'eshell-info-banner
:type 'boolean)
(defcustom eshell-info-banner-shorten-path-from 7 (defcustom eshell-info-banner-shorten-path-from 7
"From which length should a path be shortened?" "From which length should a path be shortened?"
:group 'eshell-info-banner :group 'eshell-info-banner
@ -297,18 +302,20 @@ the warning face with a battery level of 25% or less."
"Read the operating system from the given RELEASE-FILE. "Read the operating system from the given RELEASE-FILE.
If RELEASE-FILE is nil, use '/etc/os-release'." If RELEASE-FILE is nil, use '/etc/os-release'."
(with-temp-buffer (let ((prefix (if eshell-info-banner-tramp-aware (file-remote-p default-directory) "")))
(insert-file-contents (or release-file "/etc/os-release")) (with-temp-buffer
(goto-char (point-min)) (insert-file-contents (concat prefix (or release-file "/etc/os-release")))
(re-search-forward "PRETTY_NAME=\"\\(.*\\)\"") (goto-char (point-min))
(match-string 1))) (re-search-forward "PRETTY_NAME=\"\\(.*\\)\"")
(match-string 1))))
(defun eshell-info-banner--get-os-information-from-hostnamectl () (defun eshell-info-banner--get-os-information-from-hostnamectl ()
"Read the operating system via hostnamectl." "Read the operating system via hostnamectl."
(with-temp-buffer (let ((default-directory (if eshell-info-banner-tramp-aware default-directory "~")))
(call-process "hostnamectl" nil t nil) (with-temp-buffer
(re-search-backward "Operating System: \\(.*\\)") (process-file "hostnamectl" nil t nil)
(match-string 1))) (re-search-backward "Operating System: \\(.*\\)")
(match-string 1))))
(defun eshell-info-banner--get-os-information-from-lsb-release () (defun eshell-info-banner--get-os-information-from-lsb-release ()
"Read the operating system information from lsb_release" "Read the operating system information from lsb_release"
@ -329,21 +336,25 @@ If RELEASE-FILE is nil, use '/etc/os-release'."
(defun eshell-info-banner--get-os-information () (defun eshell-info-banner--get-os-information ()
"Get operating system identifying information." "Get operating system identifying information."
(cond (let ((prefix (if eshell-info-banner-tramp-aware (file-remote-p default-directory) "")))
((executable-find "hostnamectl") (eshell-info-banner--get-os-information-from-hostnamectl)) (cond
((executable-find "lsb_release") (eshell-info-banner--get-os-information-from-lsb-release)) ((executable-find "hostnamectl" eshell-info-banner-tramp-aware) (eshell-info-banner--get-os-information-from-hostnamectl))
((file-exists-p "/etc/os-release") (eshell-info-banner--get-os-information-from-release-file)) ((executable-find "lsb_release" eshell-info-banner-tramp-aware) (eshell-info-banner--get-os-information-from-lsb-release))
((executable-find "reg") (eshell-info-banner--get-os-information-from-registry)) ((file-exists-p (concat prefix "/etc/os-release")) (eshell-info-banner--get-os-information-from-release-file))
(t "Unknown"))) ((executable-find "reg") (eshell-info-banner--get-os-information-from-registry))
(t "Unknown"))))
; Public functions ;;;;;;;;;;;;;;;;;;;; ; Public functions ;;;;;;;;;;;;;;;;;;;;
;;;###autoload ;;;###autoload
(defun eshell-info-banner () (defun eshell-info-banner ()
"Banner for Eshell displaying system information." "Banner for Eshell displaying system information."
(let* ((partitions (eshell-info-banner--get-mounted-partitions)) (let* ((default-directory (if eshell-info-banner-tramp-aware default-directory "~"))
(partitions (eshell-info-banner--get-mounted-partitions))
(os (eshell-info-banner--get-os-information)) (os (eshell-info-banner--get-os-information))
(hostname (system-name)) (hostname (if eshell-info-banner-tramp-aware
(or (file-remote-p default-directory 'host) (system-name))
system-name))
(uptime (s-chop-prefix "up " (uptime (s-chop-prefix "up "
(s-trim (shell-command-to-string "uptime -p")))) (s-trim (shell-command-to-string "uptime -p"))))
(kernel (concat (s-trim (shell-command-to-string "uname -s")) (kernel (concat (s-trim (shell-command-to-string "uname -s"))