home/bin/git-edit-email

   1 #!/bin/sh
   2
   3 # =============================================================================
   4 # This is a modified version of this:
   5 # https://help.github.com/articles/changing-author-info
   6 # =============================================================================
   7
   8
   9 FILTER_SCRIPT_TEMPLATE='
  10 an="$GIT_AUTHOR_NAME";
  11 am="$GIT_AUTHOR_EMAIL";
  12 cn="$GIT_COMMITTER_NAME";
  13 cm="$GIT_COMMITTER_EMAIL";
  14
  15 if [ "$GIT_COMMITTER_EMAIL" = "OLD_COMMITTER_EMAIL" ];
  16 then
  17     cn="$GIT_COMMITTER_NAME";
  18     cm="NEW_COMMITTER_EMAIL";
  19 fi;
  20
  21 if [ "$GIT_AUTHOR_EMAIL" = "OLD_AUTHOR_EMAIL" ];
  22 then
  23     an="$GIT_AUTHOR_NAME";
  24     am="NEW_AUTHOR_EMAIL";
  25 fi;
  26
  27 export GIT_AUTHOR_NAME="$an";
  28 export GIT_AUTHOR_EMAIL="$am";
  29 export GIT_COMMITTER_NAME="$cn";
  30 export GIT_COMMITTER_EMAIL="$cm";
  31 '
  32
  33
  34 git_filter_branch() {
  35     git filter-branch -f --env-filter "$1"
  36 }
  37
  38
  39 main() {
  40     old_email="$1"
  41     new_email="$2"
  42
  43     filter_script=$(\
  44         echo $FILTER_SCRIPT_TEMPLATE \
  45         | sed "s/OLD_COMMITTER_EMAIL/$old_email/g" \
  46         | sed "s/NEW_COMMITTER_EMAIL/$new_email/g" \
  47         | sed "s/OLD_AUTHOR_EMAIL/$old_email/g" \
  48         | sed "s/NEW_AUTHOR_EMAIL/$new_email/g" \
  49     )
  50
  51     git_filter_branch "$filter_script"
  52 }
  53
  54 main "$@"