b9b4c3fa59
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* Move the Nix bootstrap from *scripts/init-nix.sh* to *scripts/nix/init.sh* with split-out helpers in *scripts/nix/lib/* * Update Arch/Debian/Fedora packaging hooks to call */usr/lib/package-manager/nix/init.sh* * Keep bootstrap behavior the same while improving maintainability and reuse https://chatgpt.com/share/693c7159-b340-800f-929e-2515eeb0dd03
96 lines
2.7 KiB
Bash
96 lines
2.7 KiB
Bash
#!/usr/bin/env bash
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if [[ -n "${PKGMGR_NIX_SYMLINKS_SH:-}" ]]; then
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return 0
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fi
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PKGMGR_NIX_SYMLINKS_SH=1
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# Requires: real_exe, resolve_nix_bin
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# shellcheck disable=SC2034
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# Ensure globally reachable nix symlink(s) (CI / non-login shells) - root only
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ensure_global_nix_symlinks() {
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local nix_bin="${1:-}"
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[[ -z "$nix_bin" ]] && nix_bin="$(resolve_nix_bin 2>/dev/null || true)"
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if [[ -z "$nix_bin" || ! -x "$nix_bin" ]]; then
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echo "[init-nix] WARNING: nix binary not found, cannot create global symlink(s)."
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return 0
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fi
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# Always link to the real executable to avoid /usr/local/bin/nix -> /usr/local/bin/nix
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nix_bin="$(real_exe "$nix_bin" 2>/dev/null || echo "$nix_bin")"
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local targets=()
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# Always provide /usr/local/bin/nix for CI shells
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mkdir -p /usr/local/bin 2>/dev/null || true
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targets+=("/usr/local/bin/nix")
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# Provide sudo-friendly locations only if they are NOT present (do not override distro paths)
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if [[ ! -e /usr/bin/nix ]]; then
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targets+=("/usr/bin/nix")
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fi
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if [[ ! -e /usr/sbin/nix ]]; then
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targets+=("/usr/sbin/nix")
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fi
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local target current_real
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for target in "${targets[@]}"; do
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current_real=""
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if [[ -e "$target" ]]; then
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current_real="$(real_exe "$target" 2>/dev/null || true)"
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fi
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if [[ -n "$current_real" && "$current_real" == "$nix_bin" ]]; then
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echo "[init-nix] $target already points to: $nix_bin"
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continue
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fi
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# If something exists but is not the same (and we promised not to override), skip.
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if [[ -e "$target" && "$target" != "/usr/local/bin/nix" ]]; then
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echo "[init-nix] WARNING: $target exists; not overwriting."
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continue
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fi
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if ln -sf "$nix_bin" "$target" 2>/dev/null; then
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echo "[init-nix] Ensured $target -> $nix_bin"
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else
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echo "[init-nix] WARNING: Failed to ensure $target symlink."
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fi
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done
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}
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# Ensure user-level nix symlink (works without root; CI-safe)
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ensure_user_nix_symlink() {
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local nix_bin="${1:-}"
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[[ -z "$nix_bin" ]] && nix_bin="$(resolve_nix_bin 2>/dev/null || true)"
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if [[ -z "$nix_bin" || ! -x "$nix_bin" ]]; then
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echo "[init-nix] WARNING: nix binary not found, cannot create user symlink."
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return 0
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fi
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nix_bin="$(real_exe "$nix_bin" 2>/dev/null || echo "$nix_bin")"
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mkdir -p "$HOME/.local/bin" 2>/dev/null || true
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ln -sf "$nix_bin" "$HOME/.local/bin/nix"
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echo "[init-nix] Ensured $HOME/.local/bin/nix -> $nix_bin"
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PATH="$HOME/.local/bin:$PATH"
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export PATH
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if [[ -w "$HOME/.profile" ]] && ! grep -q 'nix/init.sh' "$HOME/.profile" 2>/dev/null; then
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cat >>"$HOME/.profile" <<'EOF'
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# PATH for nix (added by package-manager nix/init.sh)
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if [ -d "$HOME/.local/bin" ]; then
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PATH="$HOME/.local/bin:$PATH"
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fi
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EOF
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fi
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}
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