apk-commit-hash.sh

#!/bin/bash
set -euo pipefail
zipentry=META-INF/version-control-info.textproto
commit_from_zip() {
  unzip -p -- "$1" "$zipentry" | grep revision | grep -Eo '[0-9a-f]+' | tail -1
}
url="${1:-}"
if [ -z "$url" ]; then
  read -r -p 'url> '
  url="$REPLY"
fi
if [ "${url:0:8}" = https:// ] || [ "${url:0:7}" = http:// ]; then
  echo "url: $url"
  tempdir="$( mktemp -d )"
  [[ "$tempdir" = */tmp.* ]]
  trap 'rm -- "$tempdir/tmp.apk" && rmdir -- "$tempdir"' EXIT
  curl -sL --output "$tempdir/tmp.apk" -- "$url"
  commit="$( commit_from_zip "$tempdir/tmp.apk" )"
else
  echo "file: $url"
  commit="$( commit_from_zip "$url" )"
fi
echo "commit: $commit"

apk-zipentry-sha1.sh

#!/bin/bash
set -euo pipefail
sha1_from_zip() { unzip -p -- "$1" "$zipentry" | sha1sum | cut -d' ' -f1; }
zipentry="${1:-}" url="${2:-}"
if [ -z "$zipentry" ]; then
  read -r -p 'zipentry> '
  zipentry="$REPLY"
fi
if [ -z "$url" ]; then
  read -r -p 'url> '
  url="$REPLY"
fi
if [ "${url:0:8}" = https:// ] || [ "${url:0:7}" = http:// ]; then
  echo "url: $url"
  tempdir="$( mktemp -d )"
  [[ "$tempdir" = */tmp.* ]]
  trap 'rm -- "$tempdir/tmp.apk" && rmdir -- "$tempdir"' EXIT
  curl -sL --output "$tempdir/tmp.apk" -- "$url"
  sha1="$( sha1_from_zip "$tempdir/tmp.apk" )"
else
  echo "file: $url"
  sha1="$( sha1_from_zip "$url" )"
fi
echo "zipentry: $zipentry"
echo "sha1: $sha1"