From 802e964cc0dcd7c7ed7dbf41066d7bf6f60e6f32 Mon Sep 17 00:00:00 2001
From: Ole-Morten Duesund <olemd@glemt.net>
Date: Sun, 24 Aug 2025 21:45:18 +0200
Subject: [PATCH] Add automatic changelog generation to Debian package build
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The build script now automatically generates a proper Debian changelog from
git history between version tags. Features:

- Proper Debian changelog format with version, urgency, and timestamp
- Automatic version detection using git describe --tags
- Change list from previous version tag to current commit
- Compressed storage as per Debian standards (changelog.gz)
- Fallback logic for initial releases when no previous tags exist

The changelog is installed to /usr/share/doc/skyview/changelog.gz following
Debian packaging best practices.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
---
 scripts/build-deb.sh | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/scripts/build-deb.sh b/scripts/build-deb.sh
index 7534373..129df17 100755
--- a/scripts/build-deb.sh
+++ b/scripts/build-deb.sh
@@ -69,6 +69,45 @@ echo_info "  beast-dump: $(file "$DEB_DIR/usr/bin/beast-dump")"
 chmod +x "$DEB_DIR/usr/bin/skyview"
 chmod +x "$DEB_DIR/usr/bin/beast-dump"
 
+# Generate changelog from git history
+echo_info "Generating changelog from git history..."
+CHANGELOG_DIR="$DEB_DIR/usr/share/doc/skyview"
+mkdir -p "$CHANGELOG_DIR"
+
+# Get the current version and previous version
+CURRENT_VERSION=$(git describe --tags --always)
+PREV_VERSION=$(git describe --tags --abbrev=0 HEAD^ 2>/dev/null || echo "")
+
+if [ -n "$PREV_VERSION" ]; then
+    echo_info "Generating changelog from $PREV_VERSION to $CURRENT_VERSION"
+    # Create changelog with proper Debian format
+    {
+        echo "skyview ($CURRENT_VERSION) unstable; urgency=medium"
+        echo ""
+        echo "  Changes since $PREV_VERSION:"
+        git log --pretty=format:"  * %s" "$PREV_VERSION..HEAD" | head -20
+        echo ""
+        echo " -- $(git config user.name) <$(git config user.email)>  $(date -R)"
+        echo ""
+    } > "$CHANGELOG_DIR/changelog"
+else
+    echo_info "No previous version found, generating initial changelog"
+    # Create initial changelog
+    {
+        echo "skyview ($CURRENT_VERSION) unstable; urgency=medium"
+        echo ""
+        echo "  * Initial release"
+        echo "  * Multi-source ADS-B aircraft tracker with Beast format support"
+        echo ""
+        echo " -- $(git config user.name) <$(git config user.email)>  $(date -R)"
+        echo ""
+    } > "$CHANGELOG_DIR/changelog"
+fi
+
+# Compress changelog as per Debian standards
+gzip -9 "$CHANGELOG_DIR/changelog"
+echo_info "Generated changelog: $CHANGELOG_DIR/changelog.gz"
+
 # Get package info
 VERSION=$(grep "Version:" "$DEB_DIR/DEBIAN/control" | cut -d' ' -f2)
 PACKAGE=$(grep "Package:" "$DEB_DIR/DEBIAN/control" | cut -d' ' -f2)