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Fix Nix installation on older versions of fish

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The `fish_add_path` function is only available for fish 3.2.0 or newer,
and not on older versions.
This commit adds an alternative way to update the PATH when
`fish_add_path` does not exist.
This commit is contained in:
Alexandre Thomas 2023-01-03 21:06:47 +01:00
parent 15341334b5
commit 49e058f1cf
2 changed files with 31 additions and 3 deletions
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18
scripts/nix-profile-daemon.fish.in
View file

@ -1,3 +1,15 @@
function add_path --argument-names new_path
if type -q fish_add_path
# fish 3.2.0 or newer
fish_add_path --prepend --global $new_path
else
# older versions of fish
if not contains $new_path $fish_user_paths
set --global fish_user_paths $new_path $fish_user_paths
end
end
end
# Only execute this file once per shell.
if test -n "$__ETC_PROFILE_NIX_SOURCED"
exit
@ -31,5 +43,7 @@ else
end
end
fish_add_path --prepend --global "@localstatedir@/nix/profiles/default/bin"
fish_add_path --prepend --global "$HOME/.nix-profile/bin"
add_path "@localstatedir@/nix/profiles/default/bin"
add_path "$HOME/.nix-profile/bin"
functions -e add_path

16
scripts/nix-profile.fish.in
View file

@ -1,3 +1,15 @@
function add_path --argument-names new_path
if type -q fish_add_path
# fish 3.2.0 or newer
fish_add_path --prepend --global $new_path
else
# older versions of fish
if not contains $new_path $fish_user_paths
set --global fish_user_paths $new_path $fish_user_paths
end
end
end
if test -n "$HOME" && test -n "$USER"
# Set up the per-user profile.
@ -32,6 +44,8 @@ if test -n "$HOME" && test -n "$USER"
set --export --prepend --path MANPATH "$NIX_LINK/share/man"
end
fish_add_path --prepend --global "$NIX_LINK/bin"
add_path "$NIX_LINK/bin"
set --erase NIX_LINK
end
functions -e add_path