christoph/flake-nixinator
1
Fork 0
Code Activity

Modules/Fish: Add mechanism to load/unload fish environment shells with direnv

Browse Source
This commit is contained in:
Christoph Urlacher
2026-04-20 11:27:18 +02:00
parent f259b7d326
commit 2533183d80
7 changed files with 258 additions and 45 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
home/homemodules/fish/default.nix
View File

@ -87,6 +87,40 @@ in {
shellInit = ''
set fish_greeting
yes | fish_config theme save "system-theme"
# Because we can't source that in a project flake's shellHook (is POSIX), source it here
function __project_shell_reload --on-variable INIT_PROJECT_SHELL
# Leaving the environment
if not set -q INIT_PROJECT_SHELL; or test -z "$INIT_PROJECT_SHELL"
if test -n "$__last_unload_project_shell"; and test -f "$__last_unload_project_shell"
source "$__last_unload_project_shell"
end
set -e __last_init_project_shell
set -e __last_unload_project_shell
return
end
# Entering or switching environments
if test "$INIT_PROJECT_SHELL" != "$__last_init_project_shell"
# Cleanup the previous environment
if test -n "$__last_unload_project_shell"; and test -f "$__last_unload_project_shell"
source "$__last_unload_project_shell"
end
# Store into variables to persist until next environment switch in the same shell
set -g __last_init_project_shell "$INIT_PROJECT_SHELL"
if set -q UNLOAD_PROJECT_SHELL; and test -f "$UNLOAD_PROJECT_SHELL"
set -g __last_unload_project_shell "$UNLOAD_PROJECT_SHELL"
else
set -e __last_unload_project_shell
end
# Source the new environment
if test -f "$INIT_PROJECT_SHELL"
source "$INIT_PROJECT_SHELL"
end
end
end
'';
functions = lib.mergeAttrsList [