Sorry, seem to be getting this error:
`/home/whit/dvl/risk.metrics.utils/RiskMetrics/.git-rewrite/t/../index.new':
No such file or directory
do I need to set up the index file first?
Is there a good site that documents this procedure?
[whit@linuxsvr RiskMetrics]$ git filter-branch --tag-name-filter cat
--index-filter \
> 'git ls-files -s |grep -P "riskmetrics.rb" \
> |GIT_INDEX_FILE=$GIT_INDEX_FILE.new git update-index --index-info &&
> mv $GIT_INDEX_FILE.new $GIT_INDEX_FILE' -- --all
Rewrite 8f1a0eaae033d109f4a3a4b410bd8e04dd9997db (1/481)mv: cannot
stat `/home/whit/dvl/risk.metrics.utils/RiskMetrics/.git-rewrite/t/../index.new':
No such file or directory
index filter failed: git ls-files -s |grep -P "riskmetrics.rb" \
|GIT_INDEX_FILE=$GIT_INDEX_FILE.new git update-index --index-info &&
mv $GIT_INDEX_FILE.new $GIT_INDEX_FILE
[whit@linuxsvr RiskMetrics]$
On Thu, Dec 18, 2008 at 9:19 AM, Whit Armstrong
<armstrong.whit@xxxxxxxxx> wrote:
> thanks, I will give this a try.
>
> On Thu, Dec 18, 2008 at 9:04 AM, Thomas Jarosch
> <thomas.jarosch@xxxxxxxxxxxxx> wrote:
>> On Thursday, 18. December 2008 14:51:12 Whit Armstrong wrote:
>>> For instance, if my repository contains foo.c, and 100 other files.
>>>
>>> I would like to create a new and separate repository containing only
>>> the revision history of foo.c.
>>>
>>> Would someone mind pointing me at some documentation for this
>>> procedure if it exists?
>>
>> This worked for me:
>>
>> git filter-branch --tag-name-filter cat --index-filter \
>> 'git ls-files -s |grep -P "\t(DIR1|DIR2)" \
>> |GIT_INDEX_FILE=$GIT_INDEX_FILE.new git update-index --index-info &&
>> mv $GIT_INDEX_FILE.new $GIT_INDEX_FILE' -- --all
>>
>> Run "git ls-files -s" to see the output format.
>> Replace the "DIR1|DIR2" with "foo.c".
>>
>> Later on you might want to remove empty commits from the history:
>> git filter-branch --tag-name-filter cat --commit-filter 'if [ z$1 = z`git rev-parse $3^{tree}` ]; then skip_commit "$@"; else git commit-tree "$@"; fi' "$@" -- --all
>>
>> If you want to run two filter-branch commands in a row
>> or you want to free up the space in .git afterwards:
>>
>> - git for-each-ref --format='%(refname)' refs/original | xargs -i git update-ref -d {}
>> - git reflog expire --expire=0 --all
>> - git repack -a -d
>> - git prune
>>
>> Cheers,
>> Thomas
>>
>>
>
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