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fix(install): robust latest-version resolution + clearer PATH activation #62

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gok03 merged 1 commit into from
Jun 18, 2026
Merged

fix(install): robust latest-version resolution + clearer PATH activation #62

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55 changes: 44 additions & 11 deletions scripts/install.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -37,10 +37,35 @@ ARCH=$(uname_arch)
EXT=tar.gz
[ "$OS" = windows ] && EXT=zip

# Resolve the latest version. Primary path follows the github.com
# /releases/latest redirect (served from the web/CDN, NOT the 60-req/hr
# unauthenticated api.github.com), which is far less likely to rate-limit or
# 5xx during a traffic spike. Falls back to the JSON API if the redirect
# can't be read, and retries transient failures before giving up.
resolve_latest() {
v=$(curl -fsSL -I -o /dev/null -w '%{url_effective}' \
"https://github.com/$REPO/releases/latest" 2>/dev/null \
| sed -E 's#.*/tag/v?##' | tr -d '[:space:]')
[ -n "$v" ] && { echo "$v"; return 0; }
curl -fsSL "https://api.github.com/repos/$REPO/releases/latest" 2>/dev/null \
| grep -E '"tag_name":' | head -n1 | sed -E 's/.*"v?([^"]+)".*/\1/'
}

if [ "$VERSION" = latest ]; then
VERSION=$(curl -sSfL "https://api.github.com/repos/$REPO/releases/latest" \
| grep -E '"tag_name":' | head -n1 | sed -E 's/.*"v?([^"]+)".*/\1/')
[ -z "$VERSION" ] && { echo "could not resolve latest version" >&2; exit 1; }
i=1
while [ "$i" -le 3 ]; do
VERSION=$(resolve_latest)
[ -n "$VERSION" ] && break
echo "refuse: version lookup failed (attempt $i/3), retrying..." >&2
sleep 2
i=$((i + 1))
done
if [ -z "$VERSION" ]; then
echo "could not resolve latest version" >&2
echo "GitHub may be having a transient issue — retry shortly, or pin a version:" >&2
echo " curl -fsSL https://raw.githubusercontent.com/$REPO/main/scripts/install.sh | REFUSE_VERSION=1.4.0 sh" >&2
exit 1
fi
fi

URL="https://github.com/$REPO/releases/download/v$VERSION/refuse_${OS}_${ARCH}.${EXT}"
Expand All @@ -50,10 +75,10 @@ TMP=$(mktemp -d)
trap 'rm -rf "$TMP"' EXIT

echo "refuse: downloading $URL"
curl -sSfL "$URL" -o "$TMP/refuse.$EXT"
curl -sSfL --retry 3 --retry-delay 1 "$URL" -o "$TMP/refuse.$EXT"

echo "refuse: verifying checksum"
curl -sSfL "$SUMS_URL" -o "$TMP/checksums.txt"
curl -sSfL --retry 3 --retry-delay 1 "$SUMS_URL" -o "$TMP/checksums.txt"
EXPECTED=$(awk -v f="refuse_${OS}_${ARCH}.${EXT}" '$2==f{print $1}' "$TMP/checksums.txt")
[ -z "$EXPECTED" ] && { echo "checksum line for refuse_${OS}_${ARCH}.${EXT} not found" >&2; exit 1; }
# Prefer `sha256sum` (coreutils — preinstalled on Debian/Ubuntu/Alpine/RHEL
Expand Down Expand Up @@ -107,18 +132,26 @@ patch_rc() {
}

case ":$PATH:" in
*":$INSTALL_DIR:"*) ;;
*":$INSTALL_DIR:"*)
# Already on PATH (reinstall, or a shell that already sourced the rc edits).
echo
echo "refuse: ready — run refuse --version (then refuse init to get started)"
;;
*)
for rc in "$HOME/.zshrc" "$HOME/.bashrc" "$HOME/.bash_profile" "$HOME/.profile"; do
patch_rc "$rc"
done

# NOTE: a piped `curl | sh` runs in a child shell and cannot change the PATH
# of the terminal you're sitting in. New terminals pick it up from the rc
# edits above; for the current one, the export below is required. Make it
# the most prominent, last thing the user sees so it isn't skipped.
echo
echo "refuse: installed. New terminals will find it automatically."
echo " To use it in THIS terminal right now, run:"
echo
echo "refuse: for THIS shell, run —"
echo " export PATH=\"$INSTALL_DIR:\$PATH\""
echo "(future shells pick it up automatically from the rc edits above)"
echo " export PATH=\"$INSTALL_DIR:\$PATH\""
echo
echo " Then: refuse --version (and refuse init to get started)"
;;
esac

echo "refuse: then try \`refuse --version\` and \`refuse init\`"
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