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https://github.com/logos-messaging/logos-delivery.git
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104 lines
3.9 KiB
Bash
Executable File
104 lines
3.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Installs a specific Nim version.
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# Usage: install_nim.sh <nim-version>
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#
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# Installs to ~/.nim/nim-<version>/ and symlinks binaries into ~/.nimble/bin/,
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# which is the idiomatic Nim location already on PATH.
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#
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# Pre-built binaries are downloaded from nim-lang.org: a .zip on Windows
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# (nim-<version>_x64.zip), a .tar.xz on Linux/macOS. On Unix, falls back to
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# building from source when no pre-built tarball exists.
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set -e
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NIM_VERSION="${1:-}"
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if [ -z "${NIM_VERSION}" ]; then
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echo "Usage: $0 <nim-version>" >&2
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exit 1
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fi
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NIM_DEST="${HOME}/.nim/nim-${NIM_VERSION}"
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# 1. A matching Nim is already on PATH (e.g. provided by CI's setup-nim-action,
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# choosenim, or a previous run of this script). Use it as-is: installing over it
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# would symlink a freshly downloaded Nim into ~/.nimble/bin (first on PATH) and
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# shadow a known-good toolchain, which has caused C-backend build failures.
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nim_ver=$(nim --version 2>/dev/null | head -1 | grep -oE '[0-9]+\.[0-9]+\.[0-9]+' | head -1 || true)
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if [ "${nim_ver}" = "${NIM_VERSION}" ]; then
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echo "Nim ${NIM_VERSION} already on PATH ($(command -v nim)), skipping install."
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exit 0
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fi
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# 2. Already installed at our expected location from a previous run, but not on PATH.
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# Re-link binaries into ~/.nimble/bin.
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if [ -f "${NIM_DEST}/lib/system.nim" ]; then
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echo "Nim ${NIM_VERSION} already installed at ${NIM_DEST}, re-linking binaries."
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mkdir -p "${HOME}/.nimble/bin"
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for bin_path in "${NIM_DEST}/bin/"*; do
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ln -sf "${bin_path}" "${HOME}/.nimble/bin/$(basename "${bin_path}")"
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done
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exit 0
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fi
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if [ -n "${nim_ver}" ]; then
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echo "INFO: Nim ${nim_ver} found in PATH; installing Nim ${NIM_VERSION} to ${NIM_DEST}." >&2
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fi
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WORK_DIR=$(mktemp -d)
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trap 'rm -rf "${WORK_DIR}"' EXIT
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case "$(uname -s)" in
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MINGW* | MSYS* | CYGWIN*)
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# Windows: Nim ships as a zip named nim-<version>_<arch>.zip
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# (no OS segment, .zip rather than .tar.xz, and no source-build fallback).
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case "$(uname -m)" in
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x86_64 | amd64) WIN_ARCH=x64 ;;
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*) WIN_ARCH=x32 ;;
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esac
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BINARY_URL="https://nim-lang.org/download/nim-${NIM_VERSION}_${WIN_ARCH}.zip"
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echo "Downloading pre-built Nim ${NIM_VERSION} (windows_${WIN_ARCH}) from ${BINARY_URL}..."
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curl -fL "${BINARY_URL}" -o "${WORK_DIR}/nim.zip"
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unzip -q "${WORK_DIR}/nim.zip" -d "${WORK_DIR}"
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SRC_DIR="${WORK_DIR}/nim-${NIM_VERSION}"
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;;
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*)
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OS=$(uname -s | tr 'A-Z' 'a-z' | sed 's/darwin/macosx/')
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ARCH=$(uname -m | sed 's/x86_64/x64/;s/aarch64/arm64/')
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BINARY_URL="https://nim-lang.org/download/nim-${NIM_VERSION}-${OS}_${ARCH}.tar.xz"
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echo "Checking for pre-built Nim ${NIM_VERSION} (${OS}_${ARCH})..."
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HTTP_STATUS=$(curl -sI "${BINARY_URL}" | head -1 | grep -oE '[0-9]{3}' || true)
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if [ "${HTTP_STATUS}" = "200" ]; then
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echo "Downloading pre-built binary from ${BINARY_URL}..."
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curl -fL "${BINARY_URL}" -o "${WORK_DIR}/nim.tar.xz"
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tar -xJf "${WORK_DIR}/nim.tar.xz" -C "${WORK_DIR}"
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SRC_DIR="${WORK_DIR}/nim-${NIM_VERSION}"
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else
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echo "No pre-built binary found for ${OS}_${ARCH}. Building from source..."
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SRC_URL="https://github.com/nim-lang/Nim/archive/refs/tags/v${NIM_VERSION}.tar.gz"
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curl -fL "${SRC_URL}" -o "${WORK_DIR}/nim-src.tar.gz"
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tar -xzf "${WORK_DIR}/nim-src.tar.gz" -C "${WORK_DIR}"
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cd "${WORK_DIR}/Nim-${NIM_VERSION}"
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sh build_all.sh
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SRC_DIR="${WORK_DIR}/Nim-${NIM_VERSION}"
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fi
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;;
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esac
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# rm -rf can fail with "Directory not empty" on overlay filesystems (e.g. Docker).
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# Using cp -r src/. dst/ handles both cases: dst absent (clean) or partially present.
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rm -rf "${NIM_DEST}" 2>/dev/null || true
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mkdir -p "${NIM_DEST}"
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cp -r "${SRC_DIR}/." "${NIM_DEST}/"
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mkdir -p "${HOME}/.nimble/bin"
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for bin_path in "${NIM_DEST}/bin/"*; do
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ln -sf "${bin_path}" "${HOME}/.nimble/bin/$(basename "${bin_path}")"
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done
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echo "Nim ${NIM_VERSION} installed to ${NIM_DEST}"
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echo "Binaries symlinked in ~/.nimble/bin — ensure it is in your PATH." |