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setup_go: resolve bare major.minor versions to the latest patch release #24

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Merged
MickLesk merged 1 commit into from
Sep 4, 2026
Merged

setup_go: resolve bare major.minor versions to the latest patch release #24

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22 changes: 22 additions & 0 deletions lib/alpine.func
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Original file line number Diff line number Diff line change
Expand Up @@ -728,6 +728,28 @@ setup_go() {
return 1
;;
esac

# A bare major.minor version (e.g. "1.22", as commonly found in go.mod's `go`
# directive) has no matching tarball -- go.dev only publishes patch releases
# (go1.22.12, not go1.22) -- so resolve it to the latest matching patch first.
if [[ "$GO_VERSION" =~ ^([0-9]+)\.([0-9]+)$ ]]; then
local go_major="${BASH_REMATCH[1]}" go_minor="${BASH_REMATCH[2]}"
need_tool jq || return 1
local go_releases go_patch
go_releases=$(curl -fsSL "https://go.dev/dl/?mode=json&include=all" 2>/dev/null) || true
go_patch=$(printf '%s' "$go_releases" | jq -r --arg maj "$go_major" --arg min "$go_minor" '
[.[] | select(.stable == true) | .version
| capture("^go(?<maj>[0-9]+)\\.(?<min>[0-9]+)\\.(?<patch>[0-9]+)$")
| select(.maj == $maj and .min == $min)
| (.patch | tonumber)]
| max // empty' 2>/dev/null)
if [[ -z "$go_patch" ]]; then
msg_error "Could not resolve latest patch release for Go ${GO_VERSION}.x"
return 1
fi
GO_VERSION="${go_major}.${go_minor}.${go_patch}"
fi

TARBALL="go${GO_VERSION}.linux-${ARCH}.tar.gz"
URL="https://go.dev/dl/${TARBALL}"
msg_info "Setup Go $GO_VERSION (tarball)"
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21 changes: 21 additions & 0 deletions lib/runtime.func
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Original file line number Diff line number Diff line change
Expand Up @@ -857,6 +857,27 @@ setup_go() {
GO_VERSION="$go_version_tmp"
fi

# A bare major.minor version (e.g. "1.22", as commonly found in go.mod's `go`
# directive) has no matching tarball -- go.dev only publishes patch releases
# (go1.22.12, not go1.22) -- so resolve it to the latest matching patch first.
if [[ "$GO_VERSION" =~ ^([0-9]+)\.([0-9]+)$ ]]; then
local go_major="${BASH_REMATCH[1]}" go_minor="${BASH_REMATCH[2]}"
ensure_dependencies jq || return 100
local go_releases go_patch
go_releases=$(curl_with_retry "https://go.dev/dl/?mode=json&include=all" "-" 2>/dev/null) || true
go_patch=$(printf '%s' "$go_releases" | jq -r --arg maj "$go_major" --arg min "$go_minor" '
[.[] | select(.stable == true) | .version
| capture("^go(?<maj>[0-9]+)\\.(?<min>[0-9]+)\\.(?<patch>[0-9]+)$")
| select(.maj == $maj and .min == $min)
| (.patch | tonumber)]
| max // empty' 2>/dev/null)
if [[ -z "$go_patch" ]]; then
msg_error "Could not resolve latest patch release for Go ${GO_VERSION}.x"
return 250
fi
GO_VERSION="${go_major}.${go_minor}.${go_patch}"
fi

local GO_BIN="/usr/local/bin/go"
local GO_INSTALL_DIR="/usr/local/go"

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