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-rw-r--r--scripts/install-nix-from-closure.sh16
1 files changed, 9 insertions, 7 deletions
diff --git a/scripts/install-nix-from-closure.sh b/scripts/install-nix-from-closure.sh
index e00708f6c..21915b37d 100644
--- a/scripts/install-nix-from-closure.sh
+++ b/scripts/install-nix-from-closure.sh
@@ -130,13 +130,15 @@ if [ -z "$NIX_SSL_CERT_FILE" ] || ! [ -f "$NIX_SSL_CERT_FILE" ]; then
fi
# Subscribe the user to the Nixpkgs channel and fetch it.
-if ! $nix/bin/nix-channel --list | grep -q "^nixpkgs "; then
- $nix/bin/nix-channel --add https://nixos.org/channels/nixpkgs-unstable
-fi
-if [ -z "$_NIX_INSTALLER_TEST" ]; then
- if ! $nix/bin/nix-channel --update nixpkgs; then
- echo "Fetching the nixpkgs channel failed. (Are you offline?)"
- echo "To try again later, run \"nix-channel --update nixpkgs\"."
+if [ -z "$NIX_INSTALLER_NO_CHANNEL_ADD" ]; then
+ if ! $nix/bin/nix-channel --list | grep -q "^nixpkgs "; then
+ $nix/bin/nix-channel --add https://nixos.org/channels/nixpkgs-unstable
+ fi
+ if [ -z "$_NIX_INSTALLER_TEST" ]; then
+ if ! $nix/bin/nix-channel --update nixpkgs; then
+ echo "Fetching the nixpkgs channel failed. (Are you offline?)"
+ echo "To try again later, run \"nix-channel --update nixpkgs\"."
+ fi
fi
fi