Martin Desruisseaux created SIS-422:
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Summary: Migrate from SVN to Git as the main SIS code repository
Key: SIS-422
URL: https://issues.apache.org/jira/browse/SIS-422
Project: Spatial Information Systems
Issue Type: Improvement
Reporter: Martin Desruisseaux
Assignee: Martin Desruisseaux
Fix For: 1.0
Migrate to git as the main source code repository. After this work:
* The source code repository will become
https://gitbox.apache.org/repos/asf/sis.
* The https://svn.apache.org/repos/asf/sis/trunk/ repository will become
read-only.
We will continue to use Subversion for the {{site}}, {{sis-data}} and
{{non-free}}. Before to make the new git repository ready for use, we will try
to cleanup its history by removing large files, especially:
* {{California_Restaurants.csv}} (19 Mb)
* {{DEPARTEMENT.SHP}} (3 Mb)
* {{ANC90Ply_4326.shp}} (0.7 Mb)
Those large files were identified as below (source:
[stackoverflow|https://stackoverflow.com/questions/10622179/how-to-find-identify-large-files-commits-in-git-history]):
{code:Bash}
git rev-list --objects --all | sort -k 2 > allfileshas.txt
git gc && git verify-pack -v .git/objects/pack/pack-*.idx | egrep "^\w+
blob\W+[0-9]+ [0-9]+ [0-9]+$" | sort -k 3 -n -r > bigobjects.txt
for SHA in `cut -f 1 -d\ < bigobjects.txt`; do
echo $(grep $SHA bigobjects.txt) $(grep $SHA allfileshas.txt) | awk '{print
$1,$3,$7}' >> bigtosmall.txt
done;
{code}
Commands executed for removing them:
{code:Bash}
git filter-branch --tree-filter 'find . -name "California_Restaurants.csv"
-delete' -- --all
git filter-branch --tree-filter 'find . -name "DEPARTEMENT.*" -delete' -- --all
git filter-branch --tree-filter 'find . -name "ANC90Ply_4326*" -delete' -- --all
git filter-branch --tree-filter 'find . -name "*~" -delete' -- --all
git filter-branch --tree-filter 'rm -rf "sis-data"' -- --all
git update-ref -d refs/original/refs/heads/master
git reflog expire --expire=now --all
git gc --prune=now
{code}
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