Rename bump_timestamp to insert_build

Author: vrutkovs

src/cmd-build

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

src/cmdlib.sh

@@ -686,7 +686,7 @@ get_latest_qemu() {
     fi
 }
 
-bump_timestamp() {
+insert_build() {
     local buildid=$1; shift
     local dir=$1; shift
     (python3 -c "
@@ -696,5 +696,5 @@ from cosalib.builds import Builds
 builds = Builds('${workdir:-$(pwd)}')
 builds.insert_build('${buildid}')
 builds.bump_timestamp()
-print('Build timestamp was updated')")
+print('Build ${buildid} was inserted')")
 }