Getting Source of a Package on CentOS, Applying Patch, & Rebuilding

gistfile1.txt

# http://blog.foppiano.org/2007/12/11/installing-source-package-with-yum/
# http://wiki.centos.org/HowTos/RebuildSRPM

cd /tmp
sudo yumdownloader --source zbar
sudo yum-builddep zbar-blah-blah.rpm

rpm -ivh packagename-version.src.rpm
cd ~/rpmbuild
copy patch to SOURCES
cd SPECS
modify the .spec to include the patch:


Patch4:         zbar_fix_jpeg.patch
...
%prep
%setup -q
%patch0 -p1
%patch1 -p1
%patch2 -p1
%patch3 -p1
%patch4 -p1
...
%build


Finally:
rpmbuild -ba packagename.spec