archiver: fix truncation of src_rev

In trying to eliminate AUTOINC+ from revision strings,
we accidently truncated the strings to almost guarantee
information from SRCREV_FORMAT, when supplied, would be
lost.  So, we now only delete any AUTOINC+'s from the string.

(From OE-Core rev: 83c6930cdfac5a7759c4786172a5c70226e6adc4)

Signed-off-by: Joe Slater <jslater@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/classes/archiver.bbclass

@@ -146,9 +146,9 @@ python do_ar_original() {
             fetch.unpack(tmpdir, (url,))
 
             os.chdir(tmpdir)
-            # We split on '+' to chuck any annoying AUTOINC+ in the revision.
+            # We eliminate any AUTOINC+ in the revision.
             try:
-                src_rev = bb.fetch2.get_srcrev(d).split('+')[-1][:10]
+                src_rev = bb.fetch2.get_srcrev(d).replace('AUTOINC+','')
             except:
                 src_rev = 'NOREV'
             tarname = os.path.join(ar_outdir, basename + '.' + src_rev + '.tar.gz')