git stash approximately becomes:
svn diff > patch_name.patch
svn revert -R .
git stash apply becomes:
patch -p0 < patch_name.patch
svn diff -c
svn cat -r 666 file | less
git stash approximately becomes:
svn diff > patch_name.patch
svn revert -R .
git stash apply becomes:
patch -p0 < patch_name.patch
svn diff -c
svn cat -r 666 file | less