helper: repo_sync: improve timeout diagnostics

- exit after finishing all timeout attempts
- add sleep proportional to the number of attempts before the next sync
- run repo with verbose after some failure

Signed-off-by: Jose Quaresma <[email protected]>

helpers.sh

@@ -74,21 +74,29 @@ function repo_sync {
 		status "Adding git config extraheader for $domain/factories"
 		git config --global http.https://${domain}/factories.extraheader "$(cat /secrets/git.http.extraheader)"
 	fi
+	_repo_extra_args = ""
 	for i in $(seq 4); do
-		run repo init --repo-rev=v2.35 --no-clone-bundle -u $* ${REPO_INIT_OVERRIDES} && break
+		run repo init $_repo_extra_args --repo-rev=v2.35 --no-clone-bundle -u $* ${REPO_INIT_OVERRIDES} && break
+		_repo_extra_args = "--verbose"
 		status "repo init failed with error $?"
 		[ $i -eq 4 ] && exit 1
 		status "sleeping and trying again"
 		sleep $(($i*2))
 	done
+	_repo_extra_args = ""
 	for i in $(seq 4); do
-		run timeout 4m repo sync && break
+		run timeout 4m repo sync $_repo_extra_args && break
+		_repo_extra_args = "--verbose"
 		if [ $? -eq 124 ] ; then
 			msg="Command timed out"
 			if [ $i -ne 4 ] ; then
 				msg="${msg}, trying again"
+			else
+				status ${msg}
+				exit 1
 			fi
 			status ${msg}
+			sleep $(($i*2))
 		else
 			exit $?
 		fi