(  5/112) Installation von: go-1.4.2-1.1
................................[Fehler]
Installation von go-1.4.2-1.1 fehlgeschlagen:
Fehler: Subprocess failed. Error: RPM fehlgeschlagen: error: unpacking of
archive failed on file /usr/lib64/go/src: cpio: rename
error: go-1.4.2-1.1.x86_64: install failed
error: go-1.3.3-1.2.x86_64: erase skipped

While the zypper up stuck with this message I moved /usr/lib64/go/src to
/usr/lib64/go/src.off and the the  install had been able to continue.

That's how /usr/lib64/go/ looked after zypper up finished

hip:~ # LC_ALL=POSIX ls -l /usr/lib64/go/
total 8
drwxr-xr-x 1 root root 36 Mar 12 19:20 contrib
drwxr-xr-x 1 root root  0 Mar 11 10:11 lib
drwxr-xr-x 1 root root 68 Mar 11 10:10 pkg
lrwxrwxrwx 1 root root 17 Mar 11 10:11 src -> /usr/share/go/src
drwxr-xr-x 1 root root 12 Feb  3 20:16 src.off
lrwxrwxrwx 1 root root 17 Mar 11 10:11 src;5501d77f -> /usr/share/go/src

Following /var/log/zypp/history we see the previously installed go package was:

2015-02-03
20:16:30|install|go|1.3.3-1.2|x86_64||repo-oss|a588db289cd595f7bf28e4c0da79a65f6dc84822|