Files
nixpkgs/pkgs/shells/bash/update-patch-set.sh
2025-07-23 00:56:53 +02:00

55 lines
1.7 KiB
Bash
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#!/usr/bin/env nix-shell
#!nix-shell --pure -i bash -p wget -p gnupg -p cacert -p nix
# Update patch set for GNU Bash or Readline.
if [ $# -ne 2 ]
then
echo "Usage: $(basename "$0") PROJECT VERSION"
echo ""
echo "Update the patch set for PROJECT (one of \`bash' or \`readline') for"
echo "the given version (e.g., \`4.0'). Produce \`PROJECT-patches.nix'."
exit 1
fi
PROJECT="$1"
VERSION="$2"
DIR=$(dirname "$0")
VERSION_CONDENSED="$(echo "$VERSION" | sed -es/\\.//g)"
PATCH_LIST="$DIR/$PROJECT-$VERSION-patches.nix"
set -e
rm -vf "$PATCH_LIST"
# https://savannah.gnu.org/projects/bash/: Group Admins: Chet Ramey
# https://savannah.gnu.org/users/chet: Download GPG Key
wget "https://savannah.gnu.org/people/viewgpg.php?user_id=2590" -O gpgkey.asc
echo "db4041b4d3896b9f21250e6c29861958bd5d4781f521f06beda849a9ed79fae8 gpgkey.asc" > gpgkey.asc.sha256
sha256sum -c gpgkey.asc.sha256
gpg --import ./gpgkey.asc
rm gpgkey.asc{,.sha256}
( echo "# Automatically generated by \`$(basename "$0")'; do not edit." ; \
echo "" ; \
echo "patch: [" ) \
>> "$PATCH_LIST"
for i in {001..100}
do
wget -P "$DIR" "ftp.gnu.org/gnu/$PROJECT/$PROJECT-$VERSION-patches/$PROJECT$VERSION_CONDENSED-$i" || break
wget -P "$DIR" "ftp.gnu.org/gnu/$PROJECT/$PROJECT-$VERSION-patches/$PROJECT$VERSION_CONDENSED-$i.sig"
gpg --verify "$DIR/$PROJECT$VERSION_CONDENSED-$i.sig"
hash=$(nix-hash --flat --type sha256 --base32 "$DIR/$PROJECT$VERSION_CONDENSED-$i")
echo " (patch \"$i\" \"$hash\")" \
>> "$PATCH_LIST"
rm -f "$DIR/$PROJECT$VERSION_CONDENSED-$i"{,.sig}
done
echo "]" >> "$PATCH_LIST"
# bash interprets numbers starting with 0 as octals
echo "Got $((10#$i - 1)) patches."
echo "Patch list has been written to \`$PATCH_LIST'."