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-rw-r--r--third_party/nix/scripts/nix-profile.sh.in39
1 files changed, 39 insertions, 0 deletions
diff --git a/third_party/nix/scripts/nix-profile.sh.in b/third_party/nix/scripts/nix-profile.sh.in
new file mode 100644
index 000000000000..e15f7cd46b76
--- /dev/null
+++ b/third_party/nix/scripts/nix-profile.sh.in
@@ -0,0 +1,39 @@
+if [ -n "$HOME" ] && [ -n "$USER" ]; then
+
+    # Set up the per-user profile.
+    # This part should be kept in sync with nixpkgs:nixos/modules/programs/shell.nix
+
+    NIX_LINK=$HOME/.nix-profile
+
+    NIX_USER_PROFILE_DIR=@localstatedir@/nix/profiles/per-user/$USER
+
+    # Append ~/.nix-defexpr/channels to $NIX_PATH so that <nixpkgs>
+    # paths work when the user has fetched the Nixpkgs channel.
+    export NIX_PATH=${NIX_PATH:+$NIX_PATH:}$HOME/.nix-defexpr/channels
+
+    # Set up environment.
+    # This part should be kept in sync with nixpkgs:nixos/modules/programs/environment.nix
+    export NIX_PROFILES="@localstatedir@/nix/profiles/default $HOME/.nix-profile"
+
+    # Set $NIX_SSL_CERT_FILE so that Nixpkgs applications like curl work.
+    if [ -e /etc/ssl/certs/ca-certificates.crt ]; then # NixOS, Ubuntu, Debian, Gentoo, Arch
+        export NIX_SSL_CERT_FILE=/etc/ssl/certs/ca-certificates.crt
+    elif [ -e /etc/ssl/ca-bundle.pem ]; then # openSUSE Tumbleweed
+        export NIX_SSL_CERT_FILE=/etc/ssl/ca-bundle.pem
+    elif [ -e /etc/ssl/certs/ca-bundle.crt ]; then # Old NixOS
+        export NIX_SSL_CERT_FILE=/etc/ssl/certs/ca-bundle.crt
+    elif [ -e /etc/pki/tls/certs/ca-bundle.crt ]; then # Fedora, CentOS
+        export NIX_SSL_CERT_FILE=/etc/pki/tls/certs/ca-bundle.crt
+    elif [ -e "$NIX_LINK/etc/ssl/certs/ca-bundle.crt" ]; then # fall back to cacert in Nix profile
+        export NIX_SSL_CERT_FILE="$NIX_LINK/etc/ssl/certs/ca-bundle.crt"
+    elif [ -e "$NIX_LINK/etc/ca-bundle.crt" ]; then # old cacert in Nix profile
+        export NIX_SSL_CERT_FILE="$NIX_LINK/etc/ca-bundle.crt"
+    fi
+
+    if [ -n "${MANPATH-}" ]; then
+        export MANPATH="$NIX_LINK/share/man:$MANPATH"
+    fi
+
+    export PATH="$NIX_LINK/bin:$PATH"
+    unset NIX_LINK NIX_USER_PROFILE_DIR
+fi