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start using install_nimble.sh script

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Ivan FB 2026-05-07 20:23:03 +02:00
parent dab1a267f6
commit fbe2e19fe7
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2 changed files with 71 additions and 6 deletions
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7
Makefile
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@ -97,12 +97,7 @@ install-nim:
scripts/install_nim.sh $(REQUIRED_NIM_VERSION)
install-nimble: install-nim
@nimble_ver=$$(nimble --version 2>/dev/null | head -1 | grep -oE '[0-9]+\.[0-9]+\.[0-9]+' | head -1); \
if [ "$$nimble_ver" = "$(REQUIRED_NIMBLE_VERSION)" ]; then \
echo "nimble $(REQUIRED_NIMBLE_VERSION) already installed, skipping."; \
else \
cd $$(mktemp -d) && nimble install "nimble@$(REQUIRED_NIMBLE_VERSION)" -y; \
fi
scripts/install_nimble.sh $(REQUIRED_NIMBLE_VERSION)
build:
mkdir -p build

70
scripts/install_nimble.sh Executable file
View File

@ -0,0 +1,70 @@
#!/usr/bin/env bash
# Installs a specific nimble version without using `nimble install nimble`.
#
# `nimble install nimble` is inherently fragile:
# - ETXTBSY: overwriting the running nimble binary in pkgs2/
# - JSON parse failures with older nimble versions reading packages_official.json
#
# Strategy:
# 1. If the right version is already at ~/.nimble/bin/nimble → done.
# 2. If a previously-compiled binary exists in pkgs2/ → re-link it.
# 3. Otherwise: clone the nimble git repo, init submodules, build with nim,
# and atomically replace the target (mv avoids ETXTBSY on the old binary).
set -e
NIMBLE_VERSION="${1:-}"
if [ -z "${NIMBLE_VERSION}" ]; then
echo "Usage: $0 <nimble-version>" >&2
exit 1
fi
NIMBLE_BIN="${HOME}/.nimble/bin/nimble"
# 1. Already installed at the right version?
if [ -x "${NIMBLE_BIN}" ]; then
nimble_ver=$("${NIMBLE_BIN}" --version 2>/dev/null \
| head -1 | grep -oE '[0-9]+\.[0-9]+\.[0-9]+' | head -1 || true)
if [ "${nimble_ver}" = "${NIMBLE_VERSION}" ]; then
echo "Nimble ${NIMBLE_VERSION} already installed, skipping."
exit 0
fi
fi
# 2. Already compiled into pkgs2/ from a previous (possibly partial) run?
PKGS2_NIMBLE=$(ls -dt "${HOME}/.nimble/pkgs2/nimble-${NIMBLE_VERSION}-"*/nimble \
2>/dev/null | head -1 || true)
if [ -n "${PKGS2_NIMBLE}" ] && [ -x "${PKGS2_NIMBLE}" ]; then
echo "Nimble ${NIMBLE_VERSION} found in pkgs2, re-linking to ${NIMBLE_BIN}."
mkdir -p "${HOME}/.nimble/bin"
ln -sf "${PKGS2_NIMBLE}" "${NIMBLE_BIN}"
exit 0
fi
# 3. Build from source.
NIM_BIN="${HOME}/.nimble/bin/nim"
if [ ! -x "${NIM_BIN}" ]; then
NIM_BIN="$(command -v nim)"
fi
WORK_DIR="$(mktemp -d)"
trap 'rm -rf "${WORK_DIR}"' EXIT
echo "Cloning nimble v${NIMBLE_VERSION} with submodules..."
git clone --depth=1 --branch "v${NIMBLE_VERSION}" \
--recurse-submodules --shallow-submodules \
https://github.com/nim-lang/nimble.git \
"${WORK_DIR}/nimble"
echo "Building nimble ${NIMBLE_VERSION} with $("${NIM_BIN}" --version | head -1)..."
cd "${WORK_DIR}/nimble"
# nim reads nim.cfg / config.nims in the current dir, which sets vendor paths.
"${NIM_BIN}" c -d:release --path:src \
-o:"${WORK_DIR}/nimble_new" src/nimble.nim
mkdir -p "${HOME}/.nimble/bin"
# Atomic rename: avoids ETXTBSY when the old binary at NIMBLE_BIN is still running.
cp "${WORK_DIR}/nimble_new" "${NIMBLE_BIN}.new.$$"
mv -f "${NIMBLE_BIN}.new.$$" "${NIMBLE_BIN}"
echo "Nimble ${NIMBLE_VERSION} installed to ${NIMBLE_BIN}"