fdroiddata/tools/keep-latest.sh

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#! /usr/bin/env bash
set -e
last_commit=$(git log --grep='Update known apks' | grep commit | head -n 1 | sed -E -n 's/commit (.*)/\1/p')
echo "Last known apks update at: $last_commit"
echo "HEAD at: $(git rev-parse HEAD)"
changed_files=$(git diff --name-only --diff-filter=AM "$last_commit" HEAD)
for file in $changed_files; do
grep -q "AutoUpdateMode: None" $file && continue
if [[ $file == *.yml && $(dirname "$file") == "metadata" ]]; then
diff=$(git diff "$last_commit" HEAD -- "$file")
removed_versions=$(grep "\- versionCode: " <<< "$diff" | sed -E -n "s/.*versionCode: ([0-9]+)/\1/p")
new_versions=$(grep "+ versionCode: " <<< "$diff" | sed -E -n "s/.*versionCode: ([0-9]+)/\1/p")
# When an old version is removed the diff may have both deletion and addition for the same version
for version in $removed_versions; do
new_versions=$(sed "/^${version}$/d" <<< "$new_versions")
done
new_version_num=$(wc -l <<< "$new_versions")
keep_num=$(sed -z -E -n 's/.*VercodeOperation:\n(( -[^\n]*\n)+).*/\1/p' "$file" | wc -l)
[[ $keep_num == 0 ]] && keep_num=1
if [[ $new_version_num -gt $keep_num ]]; then
remove_versions=$(head -n -"$keep_num" <<< "$new_versions")
echo "Cleaning $file: ${remove_versions//$'\n'/ }"
for version in $remove_versions; do
sed -i "/versionCode: $version/,/^$/d" "$file"
sed -i -E -z 's/\n - versionName:[^\n]+\n -/\n -/' "$file"
done
fi
fi
done