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coder/scripts/check_go_versions.sh
2026-06-01 15:55:19 +02:00

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#!/usr/bin/env bash
# This script ensures that the same version of Go is referenced in all of the
# following files:
# - go.mod
# - mise.toml (the dogfood image installs from this manifest)
# - flake.nix
# The version of Go in go.mod is considered the source of truth.
set -euo pipefail
# shellcheck source=scripts/lib.sh
source "$(dirname "${BASH_SOURCE[0]}")/lib.sh"
cdroot
# At the time of writing, Nix only has go 1.22.x.
# We don't want to fail the build for this reason.
IGNORE_NIX=${IGNORE_NIX:-false}
GO_VERSION_GO_MOD=$(grep -Eo 'go [0-9]+\.[0-9]+\.[0-9]+' ./go.mod | cut -d' ' -f2)
GO_VERSION_MISE_TOML=$(grep -Eo '^go = "[0-9]+\.[0-9]+\.[0-9]+"' ./mise.toml | sed -E 's/.*"([^"]+)"/\1/')
GO_VERSION_FLAKE_NIX=$(grep -Eo '\bgo_[0-9]+_[0-9]+\b' ./flake.nix)
# Convert to major.minor format.
GO_VERSION_FLAKE_NIX_MAJOR_MINOR=$(echo "$GO_VERSION_FLAKE_NIX" | cut -d '_' -f 2-3 | tr '_' '.')
log "INFO : go.mod : $GO_VERSION_GO_MOD"
log "INFO : mise.toml : $GO_VERSION_MISE_TOML"
log "INFO : flake.nix : $GO_VERSION_FLAKE_NIX_MAJOR_MINOR"
if [ "$GO_VERSION_GO_MOD" != "$GO_VERSION_MISE_TOML" ]; then
error "Go version mismatch between go.mod and mise.toml"
fi
# At the time of writing, Nix only constrains the major.minor version.
# We need to check that specifically.
if [ "$IGNORE_NIX" = "false" ]; then
GO_VERSION_GO_MOD_MAJOR_MINOR=$(echo "$GO_VERSION_GO_MOD" | cut -d '.' -f 1-2)
if [ "$GO_VERSION_FLAKE_NIX_MAJOR_MINOR" != "$GO_VERSION_GO_MOD_MAJOR_MINOR" ]; then
error "Go version mismatch between go.mod and flake.nix"
fi
else
log "INFO : Ignoring flake.nix, as IGNORE_NIX=${IGNORE_NIX}"
fi
log "Go version check passed, all versions are $GO_VERSION_GO_MOD"