Use this command to remove original backup:
git update-ref -d refs/original/refs/heads/master
Here is gist I used to filter-branch my git repo: https://gist.github.com/k06a/25a0214c98bc19fd6817
错误的详细信息
$ git_trace=1 gcm_trace=1 git filter-branch -f ... 67d9d9..f70bf4 --env-filter 'export GIT_COMMITTER_DATE="$GIT_AUTHOR_DATE"'
23:57:28.715959 exec-cmd.c:236 trace: resolved executable dir: C:/Program Files/Git/mingw64/bin
23:57:28.720945 git.c:676 trace: exec: git-filter-branch -f ... 67d9d9..f70bf4 --env-filter 'export GIT_COMMITTER_DATE="$GIT_AUTHOR_DATE"'
23:57:28.720945 run-command.c:643 trace: run_command: git-filter-branch -f ... 67d9d9..f70bf4 --env-filter 'export GIT_COMMITTER_DATE="$GIT_AUTHOR_DATE"'
23:57:29.016157 exec-cmd.c:236 trace: resolved executable dir: C:/Program Files/Git/mingw64/libexec/git-core
23:57:29.018152 git.c:419 trace: built-in: git hash-object -t tree nul
23:57:29.159774 exec-cmd.c:236 trace: resolved executable dir: C:/Program Files/Git/mingw64/libexec/git-core
23:57:29.605584 exec-cmd.c:236 trace: resolved executable dir: C:/Program Files/Git/mingw64/libexec/git-core
23:57:29.610570 git.c:676 trace: exec: git-sh-i18n--envsubst --variables 'usage: $dashless $USAGE'
23:57:29.610570 run-command.c:643 trace: run_command: git-sh-i18n--envsubst --variables 'usage: $dashless $USAGE'
23:57:29.647472 exec-cmd.c:236 trace: resolved executable dir: C:/Program Files/Git/mingw64/libexec/git-core
23:57:29.755185 exec-cmd.c:236 trace: resolved executable dir: C:/Program Files/Git/mingw64/libexec/git-core
23:57:29.762166 git.c:676 trace: exec: git-sh-i18n--envsubst 'usage: $dashless $USAGE'
23:57:29.762166 run-command.c:643 trace: run_command: git-sh-i18n--envsubst 'usage: $dashless $USAGE'
23:57:29.803057 exec-cmd.c:236 trace: resolved executable dir: C:/Program Files/Git/mingw64/libexec/git-core
23:57:30.180050 exec-cmd.c:236 trace: resolved executable dir: C:/Program Files/Git/mingw64/libexec/git-core
23:57:30.182045 git.c:419 trace: built-in: git rev-parse --git-dir
23:57:30.364558 exec-cmd.c:236 trace: resolved executable dir: C:/Program Files/Git/mingw64/libexec/git-core
23:57:30.366552 git.c:419 trace: built-in: git rev-parse --show-cdup
23:57:30.644809 exec-cmd.c:236 trace: resolved executable dir: C:/Program Files/Git/mingw64/libexec/git-core
23:57:30.646804 git.c:419 trace: built-in: git rev-parse --git-path objects
23:57:30.838293 exec-cmd.c:236 trace: resolved executable dir: C:/Program Files/Git/mingw64/libexec/git-core
23:57:30.840287 git.c:419 trace: built-in: git rev-parse --is-bare-repository
23:57:30.981909 exec-cmd.c:236 trace: resolved executable dir: C:/Program Files/Git/mingw64/libexec/git-core
23:57:30.984902 git.c:419 trace: built-in: git rev-parse --verify HEAD
23:57:31.134502 exec-cmd.c:236 trace: resolved executable dir: C:/Program Files/Git/mingw64/libexec/git-core
23:57:31.145474 git.c:419 trace: built-in: git update-index -q --ignore-submodules --refresh
23:57:31.294076 exec-cmd.c:236 trace: resolved executable dir: C:/Program Files/Git/mingw64/libexec/git-core
23:57:31.307041 git.c:419 trace: built-in: git diff-files --quiet --ignore-submodules
23:57:31.449662 exec-cmd.c:236 trace: resolved executable dir: C:/Program Files/Git/mingw64/libexec/git-core
23:57:31.460631 git.c:419 trace: built-in: git diff-index --cached --quiet --ignore-submodules HEAD --
23:57:32.077983 exec-cmd.c:236 trace: resolved executable dir: C:/Program Files/Git/mingw64/libexec/git-core
23:57:32.088954 git.c:419 trace: built-in: git for-each-ref
23:57:32.247530 exec-cmd.c:236 trace: resolved executable dir: C:/Program Files/Git/mingw64/libexec/git-core
23:57:32.250523 git.c:419 trace: built-in: git rev-parse --no-flags --revs-only --symbolic-full-name --default HEAD ... 67d9d9..f70bf4 --env-filter 'export GIT_COMMITTER_DATE="$GIT_AUTHOR_DATE"'
23:57:32.817010 exec-cmd.c:236 trace: resolved executable dir: C:/Program Files/Git/mingw64/libexec/git-core
23:57:32.819004 git.c:419 trace: built-in: git rev-parse --no-revs ... 67d9d9..f70bf4 --env-filter 'export GIT_COMMITTER_DATE="$GIT_AUTHOR_DATE"'
fatal: ambiguous argument 'export GIT_COMMITTER_DATE="$GIT_AUTHOR_DATE"': unknown revision or path not in the working tree.
Use '--' to separate paths from revisions, like this:
'git <command> [<revision>...] -- [<file>...]'
发现命令参数的位置有问题,做出如下调整(commits的范围要放在最后面)
https://stackoverflow.com/questions/15250070/running-filter-branch-over-a-range-of-commits
git_trace=1 gcm_trace=1 git filter-branch --env-filter 'export GIT_COMMITTER_DATE="$GIT_AUTHOR_DATE"' ... 67d9d9..f70bf4
https://github.com/git-for-windows/git/issues/2206
git_trace=1 gcm_trace=1 git filter-branch --env-filter 'export GIT_COMMITTER_DATE="$GIT_AUTHOR_DATE"' origin/master..master
git filter-branch -f --env-filter 'export GIT_COMMITTER_DATE="$GIT_AUTHOR_DATE"' origin/master..master