diff --git a/src/shell-integration/README.md b/src/shell-integration/README.md index 8aa9e8a6f..c27b45891 100644 --- a/src/shell-integration/README.md +++ b/src/shell-integration/README.md @@ -20,6 +20,14 @@ disabling POSIX mode). Bash shell integration can also be sourced manually from `bash/ghostty.bash`. +### Elvish + +The [Elvish](https://elv.sh) shell integration is supported by +the community and is not officially supported by Ghostty. We distribute +it for ease of access and use but do not provide support for it. +If you experience issues with the Elvish shell integration, I welcome +any contributions to fix them. Thank you! + ### Fish For [Fish](https://fishshell.com/), Ghostty prepends to the diff --git a/src/shell-integration/elvish/lib/ghostty-integration.elv b/src/shell-integration/elvish/lib/ghostty-integration.elv new file mode 100644 index 000000000..6af878ba5 --- /dev/null +++ b/src/shell-integration/elvish/lib/ghostty-integration.elv @@ -0,0 +1,120 @@ +{ + fn restore-xdg-dirs { + var integration-dir = $E:GHOSTTY_FISH_XDG_DIR + var xdg-dirs = [(str:split ':' $E:XDG_DATA_DIRS)] + var len = (count $xdg-dirs) + + var index = $nil + range $len | each {|dir-index| + if (eq $xdg-dirs[$dir-index] $integration-dir) { + set index = $dir-index + break + } + } + if (eq $nil $index) { return } # will appear as an error + + if (== 0 $index) { + set xdg-dirs = $xdg-dirs[1..] + } elif (== (- $len 1) $index) { + set xdg-dirs = $xdg-dirs[0..(- $len 1)] + } else { + # no builtin function for this : ) + set xdg-dirs = [ (take $index $xdg-dirs) (drop (+ 1 $index) $xdg-dirs) ] + } + + if (== 0 (count $xdg-dirs)) { + unset-env XDG_DATA_DIRS + } else { + set-env XDG_DATA_DIRS (str:join ':' $xdg-dirs) + } + unset-env GHOSTTY_FISH_XDG_DIR + } + if (and (has-env GHOSTTY_FISH_XDG_DIR) (has-env XDG_DATA_DIRS)) { + restore-xdg-dirs + } +} + +{ + # helper used by `mark-*` functions + fn set-prompt-state {|new| set-env __ghostty_prompt_state $new } + + fn mark-prompt-start { + if (not-eq prompt-start (constantly $E:__ghostty_prompt_state)) { + printf "\e]133;D\a" + } + set-prompt-state 'prompt-start' + printf "\e]133;A\a" + } + + fn mark-output-start {|_| + set-prompt-state 'pre-exec' + printf "\e]133;C\a" + } + + fn mark-output-end {|cmd-info| + set-prompt-state 'post-exec' + + var exit-status = 0 + + # in case of error: retrieve exit status, + # unless does not exist (= builtin function failure), then default to 1 + if (not-eq $nil $cmd-info[error]) { + set exit-status = 1 + + if (has-key $cmd-info[error] reason) { + if (has-key $cmd-info[error][reason] exit-status) { + set exit-status = $cmd-info[error][reason][exit-status] + } + } + } + + printf "\e]133;D;"$exit-status"\a" + } + + fn report-pwd { + printf "\e]7;file://%s%s\a" (hostname) (pwd) + } + + fn sudo-with-terminfo {|@args| + var sudoedit = $false + put $args | each {|arg| + use str + if (str:has-prefix $arg -) { + if (has-value [e -edit] $arg[1..]) { + set sudoedit = $true + break + } + continue + } + + if (not (has-value $arg =)) { break } + } + + if $sudoedit { set args = [ TERMINFO=$E:TERMINFO $@args ] } + command sudo $@args + } + + defer { + mark-prompt-start + report-pwd + } + + var no-cursor = (eq 1 $E:GHOSTTY_SHELL_INTEGRATION_NO_CURSOR) + var no-sudo = (eq 1 $E:GHOSTTY_SHELL_INTEGRATION_NO_SUDO) + + set edit:before-readline = (conj $edit:before-readline $mark-prompt-start~) + set edit:after-readline = (conj $edit:after-readline $mark-output-start~) + set edit:after-command = (conj $edit:after-command $mark-output-end~) + set after-chdir = (conj $after-chdir {|_| report-pwd }) + + if $no-cursor { + fn beam { printf "\e[5 q" } + fn block { printf "\e[0 q" } + set edit:before-readline = (conj $edit:before-readline $beam~) + set edit:after-readline = (conj $edit:after-readline {|_| block }) + } + if (and $no-sudo (not-eq ""$E:TERMINFO) (eq file (type -t sudo))) { + edit:add-var sudo~ $sudo-with-terminfo~ + } +} +