FWIW, I (finally) found two projects that like they'll do what I want:
git-splits and git_filter
The later was lacking in documentation and after the build I couldn't
figure it out at a glance and I think git-splits will DWIW.
On Thu, Mar 31, 2016 at 10:27 AM, shawn wilson <ag4ve.us@xxxxxxxxx> wrote:
> BTW, just trying to get filter-branch to interpret the bash script
> string correctly now and it still isn't working:
>
> git filter-branch -f --prune-empty --index-filter "\
> git ls-files -s | \
> sed \"s-\\t\\\"*-&${1}-\" | \
> GIT_INDEX_FILE=\$GIT_INDEX_FILE.new \
> git update-index --index-info && \
> mv \$GIT_INDEX_FILE.new \$GIT_INDEX_FILE \
> " HEAD
>
> I'm guessing bash is grabbing my actual bash shell is grabbing the
> GIT_INDEX_FILE declaration for itself. If this is the case, I'm not
> sure how to stop it - tried var\=\$var.new and that passes the '\='
> which totally messes things up.
>
> Rewrite ef54b77e59c7f4e18f00168ba88a8d2fee795802 (1/76)mv: cannot stat
> `/<repo path>/.git-rewrite/t/../index.new': No such file or directory
> index filter failed: git ls-files -s | sed
> "s-\t\"*-&cookbooks/adjoin/-" | GIT_INDEX_FILE=$GIT_INDEX_FILE.new
> git update-index --index-info && mv $GIT_INDEX_FILE.new
> $GIT_INDEX_FILE
>
> On Wed, Mar 30, 2016 at 12:13 AM, shawn wilson <ag4ve.us@xxxxxxxxx> wrote:
>> I've also tried to make this a plain bash script (w/o the function or
>> if statements and am failing at the same place). The issue seems to be
>> with the quoting in the filter-branch | ls-files bit. Also, the end
>> goal here is to be able to move a directory from one repo and keep the
>> history. While this works if I do it at the command line, it's just
>> too many steps (is tedious). Also, if there's a way to do the same
>> thing with multiple directories in one shot, (or make this work with
>> something like: cookbooks/{a,b,c} # as a parameter) that'd be perfect.
>>
>> reapdir = "!f() { \
>> if [ -d "$1" ] ; then \
>> git filter-branch --prune-empty --subdirectory-filter "$1" -- --all && \
>> git gc --aggressive && \
>> git prune && \
>> git filter-branch -f --prune-empty --index-filter '\
>> git ls-files -s \
>> | sed \"s-\\t-&$1-\" \
>> | GIT_INDEX_FILE=$GIT_INDEX_FILE.new git update-index
>> --index-info && \
>> mv $GIT_INDEX_FILE.new $GIT_INDEX_FILE'; \
>> else \
>> echo "No directory $1"; \
>> fi; }; \
>> f"
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