mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-12-27 08:04:14 +00:00
29fedf210f
A build hook to run functions previously only implemented privately in `pkgs/build-support/release/functions.sh`.
30 lines
1.1 KiB
Bash
30 lines
1.1 KiB
Bash
# Canonicalize the manifest & repack with deterministic timestamps.
|
|
canonicalizeJar() {
|
|
local input='' outer=''
|
|
input="$(realpath -sm -- "$1")"
|
|
outer="$(pwd)"
|
|
# -qq: even quieter
|
|
@unzip@ -qq "$input" -d "$input-tmp"
|
|
canonicalizeJarManifest "$input-tmp/META-INF/MANIFEST.MF"
|
|
# Sets all timestamps to Jan 1 1980, the earliest mtime zips support.
|
|
find -- "$input-tmp" -exec touch -t 198001010000.00 {} +
|
|
rm "$input"
|
|
pushd "$input-tmp" 2>/dev/null
|
|
# -q|--quiet, -r|--recurse-paths
|
|
# -o|--latest-time: canonicalizes overall archive mtime
|
|
# -X|--no-extra: don't store platform-specific extra file attribute fields
|
|
@zip@ -qroX "$outer/tmp-out.jar" . 2> /dev/null
|
|
popd 2>/dev/null
|
|
rm -rf "$input-tmp"
|
|
mv "$outer/tmp-out.jar" "$input"
|
|
}
|
|
|
|
# See also the Java specification's JAR requirements:
|
|
# https://docs.oracle.com/javase/8/docs/technotes/guides/jar/jar.html#Notes_on_Manifest_and_Signature_Files
|
|
canonicalizeJarManifest() {
|
|
local input=''
|
|
input="$(realpath -sm -- "$1")"
|
|
(head -n 1 "$input" && tail -n +2 "$input" | sort | grep -v '^\s*$') > "$input-tmp"
|
|
mv "$input-tmp" "$input"
|
|
}
|