Move bump_timestamp into cmdlib

Author: vrutkovs

src/bump-timestamp

@@ -406,7 +406,7 @@ mv -T "${tmp_builddir}" "${builddir}"
 ln -Tsf "${buildid}" builds/latest
 
 if [ "${SKIP_PRUNE}" == 1 ]; then
-  "${dn}"/bump-timestamp --workdir "${workdir}" --insert-only "${buildid}"
+  bump_timestamp "${buildid}" "${workdir}"
 else
   "${dn}"/cmd-prune --workdir "${workdir}"
 fi

src/cmd-build

@@ -685,3 +685,16 @@ get_latest_qemu() {
         ls ${builddir}/*-qemu.qcow2*
     fi
 }
+
+bump_timestamp() {
+    local buildid=$1; shift
+    local dir=$1; shift
+    (python3 -c "
+import sys
+sys.path.insert(0, '${DIR}')
+from cosalib.builds import Builds
+builds = Builds('${workdir:-$(pwd)}')
+builds.insert_build('${buildid}')
+builds.bump_timestamp()
+print('Build timestamp was updated')")
+}