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| author |   Jason A. Donenfeld <Jason@zx2c4.com> | 2019-10-13 20:00:26 +0200 |
|---|---|---|
| committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2019-10-14 13:03:10 +0200 |
| commit | e3f0f43bb81119eafeb04b66cb7deacd5c1db743 (patch) | |
| tree | 3141511288cc86bcf6b16eed3a28ba1590513555 /util/extract-version-hash-from-factory.bash | |
| download | android-wireguard-module-builder-e3f0f43bb81119eafeb04b66cb7deacd5c1db743.tar.xz android-wireguard-module-builder-e3f0f43bb81119eafeb04b66cb7deacd5c1db743.zip | |
Initial commit
Diffstat (limited to 'util/extract-version-hash-from-factory.bash')
| -rwxr-xr-x | util/extract-version-hash-from-factory.bash | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/util/extract-version-hash-from-factory.bash b/util/extract-version-hash-from-factory.bash new file mode 100755 index 0000000..a9e0778 --- /dev/null +++ b/util/extract-version-hash-from-factory.bash @@ -0,0 +1,19 @@ +#!/bin/bash +set -e + +URL="$1" +# Expecting URL like https://dl.google.com/dl/android/aosp/crosshatch-qp1a.191005.007-factory-2989a08d.zip +[[ -n $URL ]] || { echo "Usage: $0 URL" >&2; exit 1; } + +D="$(mktemp -d)" +trap 'rm -rf "$D"' INT TERM EXIT +cd "$D" + +curl -#o out.zip "$URL" +bsdtar --strip-components 1 -xvf out.zip +bsdtar -xvf image-*.zip boot.img +abootimg -x boot.img +unlz4 zImage Image +version="$(strings Image | grep '^Linux version [^%]' | head -n 1)" +[[ -n $version ]] || { echo "ERROR: no proper version in image" >&2; exit 1; } +printf '\n==========================================\n\n%s|%s\n' "$(echo "$version" | sha256sum | cut -d ' ' -f 1)" "$version" |