Promote staging → main (production release 0.150.0)

.github/scripts/android-next-version.sh

@@ -0,0 +1,93 @@
+#!/usr/bin/env bash
+# Compute the next Android semver from a previous version and a bump kind.
+#
+#   android-next-version.sh <previous-version> <major|minor|patch>
+#
+# <previous-version> may carry an `android-v` / `v` prefix and may be the
+# legacy two-part `x.y` form used by tags up to android-v0.149 — it is
+# normalised to `x.y.0` before bumping, so the version sequence stays
+# continuous across the switch to full semver. Prints `x.y.z` on stdout.
+#
+# Used by .github/workflows/android.yml; kept in its own file so the version
+# maths can be exercised locally (see the self-test at the bottom:
+# `android-next-version.sh --self-test`).
+set -euo pipefail
+
+normalise() {
+  local v="${1#android-v}"
+  v="${v#v}"
+  if [[ "$v" =~ ^[0-9]+$ ]]; then
+    v="$v.0.0"
+  elif [[ "$v" =~ ^[0-9]+\.[0-9]+$ ]]; then
+    v="$v.0"
+  fi
+  if ! [[ "$v" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
+    echo "android-next-version: '$1' is not a version (x, x.y or x.y.z)" >&2
+    return 1
+  fi
+  echo "$v"
+}
+
+bump() {
+  local prev bump ma mi pa
+  # Explicit `|| return` — `set -e` is suspended inside an `if`/`&&` caller,
+  # so a failed normalise would otherwise fall through with an empty $prev.
+  prev=$(normalise "$1") || return 1
+  bump="$2"
+  IFS=. read -r ma mi pa <<< "$prev"
+  case "$bump" in
+    major) echo "$((ma + 1)).0.0" ;;
+    minor) echo "${ma}.$((mi + 1)).0" ;;
+    patch) echo "${ma}.${mi}.$((pa + 1))" ;;
+    *)
+      echo "android-next-version: unexpected bump '$bump' (want major|minor|patch)" >&2
+      return 1 ;;
+  esac
+}
+
+self_test() {
+  local fails=0
+  check() {
+    local got
+    if got=$(bump "$1" "$2" 2>/dev/null) && [[ "$got" == "$3" ]]; then
+      echo "ok   $1 + $2 -> $got"
+    else
+      echo "FAIL $1 + $2 -> '${got:-<error>}' (want $3)"; fails=$((fails + 1))
+    fi
+  }
+  check_fails() {
+    if bump "$1" "$2" >/dev/null 2>&1; then
+      echo "FAIL $1 + $2 should have been rejected"; fails=$((fails + 1))
+    else
+      echo "ok   $1 + $2 rejected"
+    fi
+  }
+  # legacy two-part production tags normalise to x.y.0 first
+  check android-v0.149 patch 0.149.1
+  check android-v0.149 minor 0.150.0
+  check android-v0.149 major 1.0.0
+  check 0.149 patch 0.149.1
+  # full semver
+  check v1.2.3 patch 1.2.4
+  check 1.2.3 minor 1.3.0
+  check 1.2.3 major 2.0.0
+  check 1.2.9 patch 1.2.10
+  # one-part
+  check 2 patch 2.0.1
+  # garbage in
+  check_fails 1.2.3.4 patch
+  check_fails abc patch
+  check_fails 1.2.3 huge
+  check_fails "" patch
+  if (( fails )); then echo "$fails self-test failure(s)"; return 1; fi
+  echo "all self-tests passed"
+}
+
+if [[ "${1:-}" == "--self-test" ]]; then
+  self_test
+elif [[ $# -eq 2 ]]; then
+  bump "$1" "$2"
+else
+  echo "usage: $0 <previous-version> <major|minor|patch> | --self-test" >&2
+  exit 2
+fi