.bin/git-rewrite-authors

   1 #!/bin/sh
   2
   3 tmp=$(mktemp -t "${0##*/}.XXXXXX")
   4 trap "rm -rf '${tmp}'" EXIT
   5 cat << \EOF > ${tmp}
   6 decode() {
   7         awk -vid="$1" -vtype="$2" '$1 == id {
   8                 match($0, /^[^=]*=\s*([^<]*)<([^>]*)>/, a);
   9                 name = gensub(/\s+$/, "", "g", a[1]);
  10                 email = a[2];
  11                 print "export GIT_"type"_NAME='\''" name "'\'';"
  12                 print "export GIT_"type"_EMAIL='\''" email "'\'';"
  13         }' "${author_file}"
  14 }
  15 EOF
  16
  17 for x in cvs-authors authors ; do
  18         export author_file="${PWD}/.git/${x}"
  19         [ -e "${author_file}" ] && break
  20         if [ -L "${author_file}" ] ; then
  21                 echo "error: ${author_file} is a broken link"
  22                 exit 1
  23         fi
  24 done
  25 if [ ! -e "${author_file}" ] ; then
  26         echo "error: could not find ${author_file}"
  27         exit 1
  28 fi
  29 git filter-branch \
  30         --env-filter ". ${tmp};"' \
  31                 eval `decode "${GIT_AUTHOR_NAME}" AUTHOR`; \
  32                 eval `decode "${GIT_COMMITTER_NAME}" COMMITTER`; \
  33 ' "$@"