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Use envvars NIX_CACHE_HOME, NIX_CONFIG_HOME, NIX_DATA_HOME, NIX_STATE_HOME if defined (#11351)

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Noam Yorav-Raphael 2024-09-11 13:36:46 +03:00 • committed by GitHub
parent c60e1be62c
commit 38bfbb297c
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17 changed files with 118 additions and 48 deletions
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46
scripts/nix-profile.sh.in
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@ -3,29 +3,33 @@ if [ -n "$HOME" ] && [ -n "$USER" ]; then
# Set up the per-user profile.
NIX_LINK="$HOME/.nix-profile"
if [ -n "${XDG_STATE_HOME-}" ]; then
NIX_LINK_NEW="$XDG_STATE_HOME/nix/profile"
if [ -n "$NIX_STATE_HOME" ]; then
NIX_LINK="$NIX_STATE_HOME/profile"
else
NIX_LINK_NEW="$HOME/.local/state/nix/profile"
fi
if [ -e "$NIX_LINK_NEW" ]; then
if [ -t 2 ] && [ -e "$NIX_LINK" ]; then
warning="\033[1;35mwarning:\033[0m"
printf "$warning Both %s and legacy %s exist; using the former.\n" "$NIX_LINK_NEW" "$NIX_LINK" 1>&2
if [ "$(realpath "$NIX_LINK")" = "$(realpath "$NIX_LINK_NEW")" ]; then
printf " Since the profiles match, you can safely delete either of them.\n" 1>&2
else
# This should be an exceptionally rare occasion: the only way to get it would be to
# 1. Update to newer Nix;
# 2. Remove .nix-profile;
# 3. Set the $NIX_LINK_NEW to something other than the default user profile;
# 4. Roll back to older Nix.
# If someone did all that, they can probably figure out how to migrate the profile.
printf "$warning Profiles do not match. You should manually migrate from %s to %s.\n" "$NIX_LINK" "$NIX_LINK_NEW" 1>&2
fi
NIX_LINK="$HOME/.nix-profile"
if [ -n "${XDG_STATE_HOME-}" ]; then
NIX_LINK_NEW="$XDG_STATE_HOME/nix/profile"
else
NIX_LINK_NEW="$HOME/.local/state/nix/profile"
fi
if [ -e "$NIX_LINK_NEW" ]; then
if [ -t 2 ] && [ -e "$NIX_LINK" ]; then
warning="\033[1;35mwarning:\033[0m"
printf "$warning Both %s and legacy %s exist; using the former.\n" "$NIX_LINK_NEW" "$NIX_LINK" 1>&2
if [ "$(realpath "$NIX_LINK")" = "$(realpath "$NIX_LINK_NEW")" ]; then
printf " Since the profiles match, you can safely delete either of them.\n" 1>&2
else
# This should be an exceptionally rare occasion: the only way to get it would be to
# 1. Update to newer Nix;
# 2. Remove .nix-profile;
# 3. Set the $NIX_LINK_NEW to something other than the default user profile;
# 4. Roll back to older Nix.
# If someone did all that, they can probably figure out how to migrate the profile.
printf "$warning Profiles do not match. You should manually migrate from %s to %s.\n" "$NIX_LINK" "$NIX_LINK_NEW" 1>&2
fi
fi
NIX_LINK="$NIX_LINK_NEW"
fi
NIX_LINK="$NIX_LINK_NEW"
fi
# Set up environment.