Merge pull request 'Implement incremental changelog generation for Debian packages' (#25) from feature/incremental-changelog into main

Reviewed-on: #25

scripts/build-deb.sh

@@ -69,43 +69,104 @@ 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..."
+# Generate incremental changelog from git history
+echo_info "Generating incremental changelog from git history..."
 CHANGELOG_DIR="$DEB_DIR/usr/share/doc/skyview-adsb"
 mkdir -p "$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 "")
+# Function to generate incremental changelog
+generate_incremental_changelog() {
+    local changelog_file="$1"
+    
+    # Get all tags in reverse chronological order
+    local tags
+    tags=$(git tag -l --sort=-version:refname)
+    
+    # If no tags exist, create a single entry for current state
+    if [ -z "$tags" ]; then
+        local current_version
+        current_version=$(git describe --tags --always)
+        echo_info "No tags found, generating initial changelog for $current_version"
+        {
+            echo "skyview-adsb ($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_file"
+        return
+    fi
+    
+    # Create empty changelog
+    : > "$changelog_file"
+    
+    # Add entry for current development version if there are commits after the last tag
+    local latest_tag
+    latest_tag=$(echo "$tags" | head -n1)
+    local commits_since_tag
+    commits_since_tag=$(git rev-list "$latest_tag"..HEAD --count 2>/dev/null || echo 0)
+    
+    if [ "$commits_since_tag" -gt 0 ]; then
+        local current_version
+        current_version=$(git describe --tags --always)
+        echo_info "Adding entry for current development version: $current_version"
+        {
+            echo "skyview-adsb ($current_version) unstable; urgency=medium"
+            echo ""
+            git log --pretty=format:"  * %s" "$latest_tag"..HEAD | head -20
+            echo ""
+            echo ""
+            echo " -- $(git config user.name) <$(git config user.email)>  $(date -R)"
+            echo ""
+        } >> "$changelog_file"
+    fi
+    
+    # Process all tags to create incremental changelog
+    local prev_tag=""
+    for tag in $tags; do
+        echo_info "Processing version $tag"
+        
+        # Get tag date and author info
+        local tag_date
+        tag_date=$(git log -1 --format=%aD "$tag")
+        local tag_author
+        tag_author=$(git log -1 --format='%an <%ae>' "$tag")
+        
+        # Add version header
+        {
+            echo "skyview-adsb ($tag) unstable; urgency=medium"
+            echo ""
+        } >> "$changelog_file"
+        
+        # Add changes for this version
+        if [ -n "$prev_tag" ]; then
+            # Show changes between this tag and the previous one
+            git log --pretty=format:"  * %s" "$tag..$prev_tag" | head -20 >> "$changelog_file"
+        else
+            # For the oldest tag, show changes from the beginning
+            git log --pretty=format:"  * %s" "$tag" | head -20 >> "$changelog_file"
+        fi
+        
+        # Add footer
+        {
+            echo ""
+            echo ""
+            echo " -- $tag_author  $tag_date"
+            echo ""
+        } >> "$changelog_file"
+        
+        prev_tag="$tag"
+    done
+}
 
-if [ -n "$PREV_VERSION" ]; then
-    echo_info "Generating changelog from $PREV_VERSION to $CURRENT_VERSION"
-    # Create changelog with proper Debian format
-    {
-        echo "skyview-adsb ($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-adsb ($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
+# Generate the incremental changelog
+generate_incremental_changelog "$CHANGELOG_DIR/changelog"
+echo_info "Generated incremental changelog with $(grep -c '^skyview-adsb (' "$CHANGELOG_DIR/changelog") version entries"
 
-# Compress changelog as per Debian standards
-gzip -9 "$CHANGELOG_DIR/changelog"
+# Compress changelog as per Debian standards (force overwrite if exists)
+gzip -9f "$CHANGELOG_DIR/changelog"
 echo_info "Generated changelog: $CHANGELOG_DIR/changelog.gz"
 
 # Get package info