release-process/scripts/sign_exim_packages

   1 #!/bin/sh -eu
   2
   3 # gpg signs all *.tar.* files under the release directory.
   4 # Invoke from that dir, or let the script try to figure it out for you.
   5
   6 # Key used is from env var EXIM_KEY; if git config finds user.signingkey, then
   7 # that is the default.  You can set this per-repo with:
   8 #    git config --local user.signingkey SOME_IDENTIFIER
   9 #
  10 # If not set in git config then you _MUST_ set the env var.
  11
  12 # woe betide the poor sod who does not use a gpg agent, so has
  13 # to enter their password for every file...
  14
  15 if repo_signing_key="$(git config user.signingkey)"; then
  16         : "${EXIM_KEY:=$repo_signing_key}"
  17 else
  18         : "${EXIM_KEY:?Need a PGP key uid to sign with}"
  19 fi
  20
  21 : "${GPG_COMMAND:=gpg}"
  22 umask 022
  23
  24 cd_to() { echo "Working in: $1"; cd "$1"; }
  25
  26 okay=false
  27 if [ -d ../../release-process ] && [ "${PWD##*/}" = "pkgs" ]; then
  28         okay=true # we are in right dir
  29 elif [ -d release-process ]; then
  30         b="$(find . -maxdepth 1 -name 'exim-packaging-*' | sort | tail -n 1)"
  31         if [ ".$b" != "." ]; then
  32                 cd_to "$b/pkgs"
  33                 okay=true
  34         fi
  35 fi
  36 if ! $okay; then
  37         if [ -d "${1:?need a directory to look in}" ]; then
  38                 cd_to "$1"
  39                 shift
  40         else
  41                 printf "%s: %s\n" >&2 "$(basename "$0")" "where should I be looking"
  42                 exit 1
  43         fi
  44 fi
  45
  46 # Assumes no whitespace (strictly, $IFS) in filenames, which we're okay with
  47 set $(find . -name '*.asc' -prune -o -type f -print | cut -c 3- | sort)
  48
  49 for FILE
  50 do
  51         echo "Signing: $FILE"
  52         ${GPG_COMMAND} --local-user "${EXIM_KEY}" --detach-sig --armor "$FILE"
  53 done