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56 lines
1.4 KiB
Bash
Executable file
56 lines
1.4 KiB
Bash
Executable file
#!/usr/bin/env bash
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set -euo pipefail
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find_nix_bin() {
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local candidate
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for candidate in \
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"${NIX_BIN:-}" \
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"$(command -v nix 2>/dev/null || true)" \
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"${HOME:-}/.nix-profile/bin/nix" \
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"${HOME:-}/.local/state/nix/profile/bin/nix" \
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"/nix/var/nix/profiles/per-user/${USER:-runner}/profile/bin/nix" \
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/nix/var/nix/profiles/default/bin/nix \
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/run/current-system/sw/bin/nix \
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/etc/profiles/per-user/runner/bin/nix \
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/Users/runner/.nix-profile/bin/nix \
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/Users/runner/.local/state/nix/profile/bin/nix \
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/home/runner/.nix-profile/bin/nix \
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/home/runner/.local/state/nix/profile/bin/nix \
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/nix/profile/bin/nix; do
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if [[ -n "$candidate" && -x "$candidate" ]]; then
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printf '%s\n' "$candidate"
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return 0
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fi
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done
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candidate="$(
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find \
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"${HOME:-/nonexistent}" \
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/Users/runner \
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/home/runner \
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/nix/var/nix/profiles \
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/etc/profiles/per-user \
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-path '*/bin/nix' -type f 2>/dev/null | head -n 1 || true
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)"
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if [[ -n "$candidate" && -x "$candidate" ]]; then
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printf '%s\n' "$candidate"
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return 0
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fi
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return 1
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}
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if nix_bin="$(find_nix_bin)"; then
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printf '%s\n' "$nix_bin"
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exit 0
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fi
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if bash Scripts/ci/ensure-nix.sh >/dev/null 2>&1; then
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if nix_bin="$(find_nix_bin)"; then
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printf '%s\n' "$nix_bin"
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exit 0
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fi
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fi
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echo "::error ::nix is required but is not on PATH and no standard install path exists" >&2
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exit 1
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