pkgs/shells/bash/update-patch-set.sh

   1 #!/usr/bin/env nix-shell
   2 #!nix-shell --pure -i bash -p wget -p gnupg -p cacert -p nix
   3
   4 # Update patch set for GNU Bash or Readline.
   5
   6 if [ $# -ne 2 ]
   7 then
   8     echo "Usage: $(basename "$0") PROJECT VERSION"
   9     echo ""
  10     echo "Update the patch set for PROJECT (one of \`bash' or \`readline') for"
  11     echo "the given version (e.g., \`4.0').  Produce \`PROJECT-patches.nix'."
  12     exit 1
  13 fi
  14
  15 PROJECT="$1"
  16 VERSION="$2"
  17 DIR=$(dirname "$0")
  18 VERSION_CONDENSED="$(echo "$VERSION" | sed -es/\\.//g)"
  19 PATCH_LIST="$DIR/$PROJECT-$VERSION-patches.nix"
  20
  21 set -e
  22
  23 rm -vf "$PATCH_LIST"
  24
  25 wget "https://tiswww.case.edu/php/chet/gpgkey.asc"
  26 echo "4ef5051ce7200241e65d29c11eb57df8  gpgkey.asc" > gpgkey.asc.md5
  27 md5sum -c gpgkey.asc.md5
  28 gpg --import ./gpgkey.asc
  29 rm gpgkey.asc{,.md5}
  30
  31 ( echo "# Automatically generated by \`$(basename "$0")'; do not edit." ;       \
  32   echo "" ;                                                             \
  33   echo "patch: [" )                                                     \
  34 >> "$PATCH_LIST"
  35
  36 for i in {001..100}
  37 do
  38     wget -P "$DIR" "ftp.gnu.org/gnu/$PROJECT/$PROJECT-$VERSION-patches/$PROJECT$VERSION_CONDENSED-$i" || break
  39     wget -P "$DIR" "ftp.gnu.org/gnu/$PROJECT/$PROJECT-$VERSION-patches/$PROJECT$VERSION_CONDENSED-$i.sig"
  40     gpg --verify "$DIR/$PROJECT$VERSION_CONDENSED-$i.sig"
  41     hash=$(nix-hash --flat --type sha256 --base32 "$DIR/$PROJECT$VERSION_CONDENSED-$i")
  42     echo "(patch \"$i\" \"$hash\")"     \
  43     >> "$PATCH_LIST"
  44
  45     rm -f "$DIR/$PROJECT$VERSION_CONDENSED-$i"{,.sig}
  46 done
  47
  48 echo "]" >> "$PATCH_LIST"
  49
  50 # bash interprets numbers starting with 0 as octals
  51 echo "Got $((10#$i - 1)) patches."
  52 echo "Patch list has been written to \`$PATCH_LIST'."