add release script

Signed-off-by: Varun R Mallya <varunrmallya@gmail.com>

Author: varun-r-mallya

tools/release.sh

@@ -0,0 +1,80 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+NC='\033[0m'
+
+log()  { echo -e "${GREEN}[release]${NC} $1"; }
+warn() { echo -e "${YELLOW}[release]${NC} $1"; }
+err()  { echo -e "${RED}[release]${NC} $1"; exit 1; }
+
+REPO_ROOT="$(cd "$(dirname "$0")/.." && pwd)"
+cd "$REPO_ROOT"
+
+git diff --quiet || err "Working tree is dirty — commit or stash changes first."
+
+LATEST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "none")
+log "Latest tag: $LATEST_TAG"
+
+CURRENT_VERSION=$(grep -E '^version\s*=' pyproject.toml | head -1 | sed 's/version\s*=\s*"\([^"]*\)"/\1/')
+log "Current version in pyproject.toml: $CURRENT_VERSION"
+
+echo ""
+read -r -p "Enter new version (e.g. 0.1.9): " NEW_VERSION
+
+if [[ ! "$NEW_VERSION" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
+    err "Invalid version format — use X.Y.Z (e.g. 0.1.9)"
+fi
+
+TAG="v${NEW_VERSION}"
+
+if git rev-parse "$TAG" >/dev/null 2>&1; then
+    err "Tag $TAG already exists."
+fi
+
+# --- Apply version bumps across all files ---
+
+sed -i "s/^version = \"$CURRENT_VERSION\"/version = \"$NEW_VERSION\"/" pyproject.toml
+sed -i "s/VERSION = \"v$CURRENT_VERSION\"/VERSION = \"v$NEW_VERSION\"/" pythonbpf/codegen.py
+sed -i "s/release = \"$CURRENT_VERSION\"/release = \"$NEW_VERSION\"/" docs/conf.py
+sed -i "s/version = \"$CURRENT_VERSION\"/version = \"$NEW_VERSION\"/" docs/conf.py
+
+log "Bumped version $CURRENT_VERSION → $NEW_VERSION in:"
+log "  pyproject.toml"
+log "  pythonbpf/codegen.py"
+log "  docs/conf.py"
+
+# --- Show diff and confirm ---
+
+echo ""
+log "Changes to be committed:"
+git diff --stat
+echo ""
+git diff
+
+echo ""
+read -r -p "Commit these changes and create tag $TAG? [y/N]: " CONFIRM
+if [[ ! "$CONFIRM" =~ ^[Yy]$ ]]; then
+    git checkout -- pyproject.toml pythonbpf/codegen.py docs/conf.py
+    warn "Reverted changes. Aborted."
+    exit 0
+fi
+
+git add pyproject.toml pythonbpf/codegen.py docs/conf.py
+git commit -m "Bump version to $NEW_VERSION"
+log "Committed version bump."
+
+git tag "$TAG"
+log "Created tag $TAG."
+
+echo ""
+read -r -p "Push commit and tag to origin? [y/N]: " PUSH
+if [[ "$PUSH" =~ ^[Yy]$ ]]; then
+    git push origin HEAD
+    git push origin "$TAG"
+    log "Pushed commit and tag $TAG. CI will build and publish to PyPI."
+else
+    warn "Push skipped. Run: git push origin HEAD && git push origin $TAG"
+fi