On 1/13/20 6:00 AM, Jonathan Wakely wrote:
On Sun, 12 Jan 2020 at 18:08, Jonathan Wakely <jwakely....@gmail.com> wrote:Now that I've switched my local git tree to the new repo (by changing the URL for the 'origin' remote, and adding the old one as a 'gcc-old' remote) I've been experimenting with these commands to switch some of the ~400 local branches to be based on the new repo instead of the git-svn mirror. # The local branch to update branch=foo # The previous upstream for the branch upstream=$(git rev-parse --symbolic-full-name $branch@{u} | sed -n s,^refs/heads,gcc-old,p) # find the last upstream commit in the branch base=$(git merge-base $branch $upstream) # extract its SVN revision svnrev=$(git log -1 $base | sed -n '/git-svn-id:/s/.*@\([[:digit:]]\+\) .*/\1/p') # find equivalent commit in master onto=$(git log --pretty=format:%H --grep="From-SVN: r$svnrev" $branch@{u}) git rebase --onto $onto $upstream $branch Use at your own risk!The attached script is a slightly more robust version of those commands.
Nice. I adjusted your script for my situation where I have a separate local repository for the new git (my old one is corrupt from unwise use of alternates), using format-patch/am for moving commits between them:
copy_branch.sh
Description: application/shellscript