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# Ensure the project version is incremented in every PR before it can merge to the default branch.
# Looks for BOTH package.json and Cargo.toml:
# - only package.json present -> its version must increase vs the base branch
# - only Cargo.toml present -> its version must increase vs the base branch
# - BOTH present -> both must increase AND equal each other on this branch
# - neither present -> nothing to enforce (passes)
# Version files added new on this branch (absent on base) pass. Modeled on Chia-Network/cadt.
name: Check Version Increment
on:
pull_request:
branches:
- main
concurrency:
group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}
cancel-in-progress: true
jobs:
check-version:
name: Check version increment
runs-on: ubuntu-latest
steps:
- name: Checkout PR branch
uses: actions/checkout@v4
with:
path: branch-repo
- name: Checkout base branch
uses: actions/checkout@v4
with:
ref: main
path: base-repo
- name: Check version increment
shell: bash
run: |
set -euo pipefail
# Extract a version from package.json (.version) or Cargo.toml
# ([package].version or [workspace.package].version). Empty string if
# the file or the field is absent.
pkg_version() {
local f="$1/package.json"
[ -f "$f" ] || { echo ""; return; }
jq -r '.version // ""' "$f" 2>/dev/null || echo ""
}
# [package].version, or [workspace.package].version for workspace roots /
# members that inherit ({ version.workspace = true }). Empty if absent.
cargo_version() {
local f="$1/Cargo.toml"
[ -f "$f" ] || { echo ""; return; }
python3 -c 'import sys,tomllib; d=tomllib.load(open(sys.argv[1],"rb")); v=d.get("package",{}).get("version") or d.get("workspace",{}).get("package",{}).get("version") or ""; print(v if isinstance(v,str) else "")' "$f" 2>/dev/null || echo ""
}
# strictly-greater semver-ish compare using sort -V; true when $2 > $1
greater() { [ "$1" != "$2" ] && [ "$(printf '%s\n%s\n' "$1" "$2" | sort -V | tail -1)" = "$2" ]; }
B=base-repo
H=branch-repo
has_pkg=false; has_cargo=false
[ -f "$H/package.json" ] && has_pkg=true
[ -f "$H/Cargo.toml" ] && has_cargo=true
if [ "$has_pkg" = false ] && [ "$has_cargo" = false ]; then
echo "No package.json or Cargo.toml at repo root — no version gate to enforce."
exit 0
fi
fail=0
if [ "$has_pkg" = true ]; then
bp=$(pkg_version "$B"); hp=$(pkg_version "$H")
echo "package.json: base='$bp' head='$hp'"
if [ -n "$bp" ]; then
if ! greater "$bp" "$hp"; then
echo "::error::package.json version must be incremented ($bp -> $hp) before merging."
fail=1
fi
else
echo "package.json is new on this branch (no base version) — OK."
fi
fi
if [ "$has_cargo" = true ]; then
bc=$(cargo_version "$B"); hc=$(cargo_version "$H")
echo "Cargo.toml: base='$bc' head='$hc'"
if [ -n "$bc" ]; then
if ! greater "$bc" "$hc"; then
echo "::error::Cargo.toml version must be incremented ($bc -> $hc) before merging."
fail=1
fi
else
echo "Cargo.toml is new on this branch (no base version) — OK."
fi
fi
if [ "$has_pkg" = true ] && [ "$has_cargo" = true ]; then
hp=$(pkg_version "$H"); hc=$(cargo_version "$H")
if [ -n "$hp" ] && [ -n "$hc" ] && [ "$hp" != "$hc" ]; then
echo "::error::package.json ($hp) and Cargo.toml ($hc) versions must match each other."
fail=1
fi
fi
exit $fail