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feat(shell-integration): add automatic integration for Elvish

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Fish automatic integration taken as an example.
Just like fish, Elvish checks `XDG_DATA_DIRS` for its modules.
Thus, Fish integration in zig is reused, and integration in
Elvish now removes `GHOSTTY_FISH_XDG_DIR` environment variable
on launch.
This commit is contained in:
ilk
2024-05-16 23:59:02 +03:00
committed by Mitchell Hashimoto
parent 1032cdb68f
commit 1fa830cc73
4 changed files with 39 additions and 5 deletions
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14
src/shell-integration/README.md
View File

@@ -19,9 +19,20 @@ its normal startup files, which becomes our script's responsibility (along with
disabling POSIX mode).
Bash shell integration can also be sourced manually from `bash/ghostty.bash`.
### Elvish
For [Elvish](https://elv.sh), `$GHOSTTY_RESOURCES_DIR/src/shell-integration`
contains an `./elvish/lib/ghostty-integration.elv` file.
Elvish, on startup, searches for paths defined in `XDG_DATA_DIRS`
variable for `./elvish/lib/*.elv` files and imports them. They are thus
made available for use as modules by way of `use <filename>`.
Ghostty launches Elvish, passing the environment with `XDG_DATA_DIRS`prepended
with `$GHOSTTY_RESOURCES_DIR/src/shell-integration`. It contains
`./elvish/lib/ghostty-integration.elv`. The user can then import it
by `use ghostty-integration`, which will run the integration routines.
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.
@@ -43,3 +54,4 @@ For `zsh`, Ghostty sets `ZDOTDIR` so that it loads our configuration
from the `zsh` directory. The existing `ZDOTDIR` is retained so that
after loading the Ghostty shell integration the normal Zsh loading
sequence occurs.

7
src/shell-integration/elvish/lib/ghostty-integration.elv
View File

@@ -1,6 +1,6 @@
{
fn restore-xdg-dirs {
var integration-dir = $E:GHOSTTY_FISH_XDG_DIR
var integration-dir = $E:GHOSTTY_INTEGRATION_DIR
var xdg-dirs = [(str:split ':' $E:XDG_DATA_DIRS)]
var len = (count $xdg-dirs)
@@ -27,9 +27,9 @@
} else {
set-env XDG_DATA_DIRS (str:join ':' $xdg-dirs)
}
unset-env GHOSTTY_FISH_XDG_DIR
unset-env GHOSTTY_INTEGRATION_DIR
}
if (and (has-env GHOSTTY_FISH_XDG_DIR) (has-env XDG_DATA_DIRS)) {
if (and (has-env GHOSTTY_INTEGRATION_DIR) (has-env XDG_DATA_DIRS)) {
restore-xdg-dirs
}
}
@@ -117,4 +117,3 @@
edit:add-var sudo~ $sudo-with-terminfo~
}
}