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doom/env: fix -a switch, add -r switch #2434

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Can now white and blacklist envvars
This commit is contained in:
Henrik Lissner 2020-05-15 21:56:04 -04:00
parent 3d10e984ec
commit 2e1c706c73
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GPG key ID: 5F6C0EA160557395
1 changed files with 20 additions and 10 deletions
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28
core/cli/env.el
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@ -1,7 +1,8 @@
;;; core/cli/env.el -*- lexical-binding: t; -*-
(defcli! env
((allow ["-a" "--allow"] "An envvar whitelist regexp")
((allow ["-a" "--allow" regexp] "An envvar whitelist regexp")
(reject ["-r" "--reject" regexp] "An envvar blacklist regexp")
(clear-p ["-c" "--clear"] "Clear and delete your envvar file")
(outputfile ["-o" PATH]
"Generate the envvar file at PATH. Envvar files that aren't in
@ -47,17 +48,18 @@ Why this over exec-path-from-shell?
(print! (success "Successfully deleted %S")
(path env-file)))
(args
((and args (not (or allow reject)))
(user-error "I don't understand 'doom env %s'"
(string-join args " ")))
((doom-cli-reload-env-file 'force env-file)))))
((doom-cli-reload-env-file
'force env-file (list allow) (list reject))))))
;;
;; Helpers
(defvar doom-env-ignored-vars
(defvar doom-env-blacklist
'("^DBUS_SESSION_BUS_ADDRESS$"
"^GPG_AGENT_INFO$" "^\\(SSH\\|GPG\\)_TTY$"
"^SSH_\\(AUTH_SOCK\\|AGENT_PID\\)$"
@ -69,7 +71,13 @@ Why this over exec-path-from-shell?
Each string is a regexp, matched against variable names to omit from
`doom-env-file'.")
(defun doom-cli-reload-env-file (&optional force-p env-file whitelist)
(defvar doom-env-whitelist '()
"A whitelist for envvars to save in `doom-env-file'.
This overrules `doom-env-ignored-vars'. Each string is a regexp, matched against
variable names to omit from `doom-env-file'.")
(defun doom-cli-reload-env-file (&optional force-p env-file whitelist blacklist)
"Generates `doom-env-file', if it doesn't exist (or if FORCE-P).
This scrapes the variables from your shell environment by running
@ -112,11 +120,13 @@ default, on Linux, this is '$SHELL -ic /usr/bin/env'. Variables in
;; user's interactive shell, therefore we just dump
;; `process-environment' to a file.
(dolist (env process-environment)
(if (and (cl-find-if (doom-rpartial #'string-match-p (car (split-string env "=")))
doom-env-ignored-vars)
(not (cl-find-if (doom-rpartial #'string-match-p (car (split-string env "=")))
whitelist)))
(if (cl-find-if (doom-rpartial #'string-match-p (car (split-string env "=")))
(remq nil (append blacklist doom-env-blacklist)))
(if (not (cl-find-if (doom-rpartial #'string-match-p (car (split-string env "=")))
(remq nil (append whitelist doom-env-whitelist))))
(print! (info "Ignoring %s") env)
(print! (info "Whitelisted %s") env)
(insert env "\0\n"))
(insert env "\0\n")))
(print! (success "Successfully generated %S")
(path env-file))