diff options
Diffstat (limited to 'Emacs/.config/emacs/elisp/eshell-prompt.el')
| -rw-r--r-- | Emacs/.config/emacs/elisp/eshell-prompt.el | 134 |
1 files changed, 79 insertions, 55 deletions
diff --git a/Emacs/.config/emacs/elisp/eshell-prompt.el b/Emacs/.config/emacs/elisp/eshell-prompt.el index af5c55f..83e5943 100644 --- a/Emacs/.config/emacs/elisp/eshell-prompt.el +++ b/Emacs/.config/emacs/elisp/eshell-prompt.el @@ -28,13 +28,41 @@ "Prompt for user to input.") (defvar ep/dir-colour "deepskyblue") -(defvar ep/success-colour "forestgreen") +(defvar ep/success-colour "green2") (defvar ep/failure-colour "red") (defvar ep/branch-name-colour "LightSalmon") -(defvar ep/pipe-colour "green2") +(defvar ep/pipe-colour "green4") (defvar ep/ahead-colour "dodger blue") (defvar ep/remote-colour "DarkGoldenrod") +(defun ep/make-prompt () + (let ((git (ep/--git-status))) + (thread-last + `(("┌──" :foreground ,ep/pipe-colour) + "[" + (,(ep/--user-and-remote) :foreground ,ep/remote-colour) + (,(abbreviate-file-name (tramp-file-local-name (eshell/pwd))) + :foreground ,ep/dir-colour) + ,(if (string= git "") + "" + (concat "]─[" git)) + "]" + "\n" + ("└─>" :foreground ,ep/pipe-colour) + (,ep/user-prompt :foreground ,(ep/--colour-on-last-command))) + (mapconcat + #'(lambda (item) + (if (listp item) + (propertize (car item) + 'font-lock-face (cdr item) + 'front-sticky '(font-lock-face read-only) + 'rear-nonsticky '(font-lock-face read-only)) + item)))))) + +(defun ep/--with-fg-colour (s colour) + "Helper which propertises a string `s' with foreground colour `colour'" + (propertize s 'font-lock-face `(:foreground ,colour))) + (defun ep/--colour-on-last-command () "Returns an Emacs colour based on ESHELL-LAST-COMMAND-STATUS." (if (zerop eshell-last-command-status) @@ -57,38 +85,58 @@ behind or ahead the local repository is." (status (nth 3 branch-status)) (diff (cl-position "by" branch-status :test #'string=))) (if (null diff) - (propertize "=" 'font-lock-face `(:foreground ,ep/success-colour)) + (ep/--with-fg-colour "=" ep/success-colour) (let ((n (nth (+ 1 diff) branch-status))) (concat (cond ((string= status "ahead") - (propertize "→" 'font-lock-face `(:foreground ,ep/ahead-colour))) + (ep/--with-fg-colour "→" ep/ahead-colour)) ((string= status "behind") - (propertize "←" 'font-lock-face `(:foreground ,ep/failure-colour)))) + (ep/--with-fg-colour "←" ep/failure-colour))) n))))) (defun ep/--git-change-status () "Returns a propertized string for the condition of the worktree in -a repository. If there are no changes i.e. the worktree is clean -then a green tick is returned, but if there are changes then the -number of files affected are returned in red." +a repository. + +If there are no changes i.e. the worktree is clean then a green tick is +returned. + +If there are changes then we characterise it by the following parameters: +- staged changes in green +- unstaged but tracked changes in blue +- untracked files in red +" (let* ((git-cmd "git status -s") - (command-output (split-string (shell-command-to-string git-cmd) "\n")) - (changed-files (- (length command-output) 1))) - (if (= changed-files 0) - (propertize "✓" - 'font-lock-face - `(:foreground ,ep/success-colour)) - (propertize (number-to-string changed-files) - 'font-lock-face - `(:foreground ,ep/failure-colour))))) + (command-output + (thread-first (shell-command-to-string git-cmd) + (split-string "\n") + butlast)) + (status-codes (mapcar #'(lambda (s) (cons (substring s 0 1) (substring s 1 2))) + command-output)) + (filter-f (lambda (x) (not (or (string= x "?") (string= x " "))))) + (total (length status-codes)) + (staged (cl-count-if (lambda (x) (funcall filter-f (car x))) status-codes)) + (modified (cl-count-if (lambda (x) (funcall filter-f (cdr x))) status-codes)) + (not-tracked (cl-count-if (lambda (x) (string= (cdr x) "?")) status-codes))) + (if (= total 0) + (ep/--with-fg-colour "✓" ep/success-colour) + (thread-last + (list + (ep/--with-fg-colour (number-to-string staged) ep/success-colour) + (ep/--with-fg-colour (number-to-string modified) ep/ahead-colour) + (ep/--with-fg-colour (number-to-string not-tracked) ep/failure-colour)) + (cl-remove-if #'(lambda (s) (string= s "0"))) + (mapconcat #'(lambda (s) (concat s "/"))))))) (defun ep/--git-branch-name () - "Get the branch name of the current working directory. W" + "Get the branch name of the current working directory. + +If a deteached head, return the SHA." (let* ((branch-name (thread-last (split-string (shell-command-to-string "git branch") "\n") - (cl-remove-if (lambda (s) (= (length s) 0))) - (cl-find-if (lambda (s) (string= "*" (substring s 0 1)))))) + (cl-remove-if #'(lambda (s) (= (length s) 0))) + (cl-find-if #'(lambda (s) (string= "*" (substring s 0 1)))))) (branch-name (if (null branch-name) nil (substring branch-name 2)))) (cond @@ -100,57 +148,33 @@ number of files affected are returned in red." (t branch-name)))) (defun ep/--git-status () - "Returns a completely formatted string of - form (BRANCH-NAME<CHANGES>[REMOTE-STATUS])." + "Returns a completely formatted string of form +BRANCH-NAME(REMOTE-STATUS)(CHANGES)." (let ((git-branch (ep/--git-branch-name))) (if (null git-branch) "" (format "%s(%s)(%s)" - (propertize git-branch 'font-lock-face `(:foreground ,ep/branch-name-colour)) + (ep/--with-fg-colour git-branch ep/branch-name-colour) (ep/--git-remote-status) (ep/--git-change-status))))) (defun ep/--user-and-remote () + "If in a remote directory, return a string representing that host, +otherwise empty string." (if (file-remote-p default-directory) (let ((user (file-remote-p default-directory 'user)) (host (file-remote-p default-directory 'host))) - (if user - (format "%s@%s " user host) - (concat host " "))) + (concat + (if user + (format "%s@%s" user host) + host) + ":")) "")) -(defun ep/make-prompt () - (let ((git (ep/--git-status))) - (mapconcat - (lambda (item) - (if (listp item) - (propertize (car item) - 'font-lock-face (cdr item) - 'front-sticky '(font-lock-face read-only) - 'rear-nonsticky '(font-lock-face read-only)) - item)) - (list - `("┌──" - :foreground ,ep/pipe-colour) - "[" - `(,(ep/--user-and-remote) - :foreground ,ep/remote-colour) - `(,(abbreviate-file-name (tramp-file-local-name (eshell/pwd))) - :foreground ,ep/dir-colour) - (if (string= git "") - "" - (concat "]─[" git)) - "]" - "\n" - `("└─>" - :foreground ,ep/pipe-colour) - (list ep/user-prompt ':foreground (ep/--colour-on-last-command)))))) - - (provide 'eshell-prompt) ;;; eshell-prompt.el ends here ;; Local Variables: -;; read-symbol-shorthands: (("ep" . "+eshell-prompt")) +;; read-symbol-shorthands: (("ep" . "eshell-prompt")) ;; End: |