Update fmt15 dependency. (#2118)

Contains a formatting fix:
kormat/fmt15@ee69fec

Also:
- Update an acceptance test that expected the quotes produced by the
  formatting bug.
- Fix an issue where `scion.sh stop` would exit non-zero if one of the /dev/shm dirs
  didn't exist.

.buildkite/setup.yml

@@ -1,6 +1,6 @@
 - label: Prepare scion_base and scion images
   command:
-      - ./tools/ci/prepare_image d0e8b00ee1907f599e77b4ac677ab58740ad48c35ff235c516aaf1ee1d74cbef
+      - ./tools/ci/prepare_image d1706fb3c9c8eacdc9a91ddeac7c3ac1ad815fe43fc81bd50a280b3738ce7569
       - ./docker.sh build
   concurrency: 1
   concurrency_group: "build-scion"

.circleci/config.yml

@@ -25,7 +25,7 @@ jobs:
                 command: ./tools/ci/docker_update
             - run:
                 name: Pull and tag scion_base image
-                command: ./tools/ci/prepare_image d0e8b00ee1907f599e77b4ac677ab58740ad48c35ff235c516aaf1ee1d74cbef
+                command: ./tools/ci/prepare_image d1706fb3c9c8eacdc9a91ddeac7c3ac1ad815fe43fc81bd50a280b3738ce7569
                 when: always
             - run:
                 name: Build scion:latest image

acceptance/topo_sd_reloads_cs_acceptance/test

@@ -32,7 +32,7 @@ test_run() {
     sleep 1
     bin/showpaths -srcIA $SRC_IA -dstIA $DST_IA -sciondFromIA -refresh || true
     sleep 2
-    grep -q "\[TRACE\] \[Messenger\] Sending request.*req_type=\"ChainRequest\".*$SRC_IA,\[127\.42\.42\.42\]:39999" "logs/sd$SRC_IA_FILE.log" || \
+    grep -q "\[TRACE\] \[Messenger\] Sending request .*req_type=ChainRequest .*$SRC_IA,\[127\.42\.42\.42\]:39999" "logs/sd$SRC_IA_FILE.log" || \
         { echo "Certificate chain request to 127.42.42.42:39999 not found in logs"; return 1; }
 }
 

go/vendor/vendor.json

@@ -213,11 +213,11 @@
 			"revisionTime": "2018-02-21T18:54:26Z"
 		},
 		{
-			"checksumSHA1": "eiKZJz+wsoOmDZQ7xdpX+sqQte4=",
+			"checksumSHA1": "GcNSG4GpHNO3w145a7jfm37ATRk=",
 			"license": "APL 2.0",
 			"path": "github.com/kormat/fmt15",
-			"revision": "aeb535ae78961b7591ea7f7740b74fc6560c88a8",
-			"revisionTime": "2016-11-22T15:41:03Z"
+			"revision": "ee69fecb2656a4de8ac47df338ad7e7f9e056dd5",
+			"revisionTime": "2018-11-12T14:05:56Z"
 		},
 		{
 			"checksumSHA1": "2RFzGcdTeQrFkkhT70WhQcMWF6c=",

scion.sh

@@ -118,7 +118,9 @@ cmd_stop() {
         python/integration/set_ipv6_addr.py -d
     fi
     for i in /run/shm/{dispatcher,sciond}/; do
-        [ -e "$i" ] && find "$i" -xdev -mindepth 1 -print0 | xargs -r0 rm -v
+        if [ -e "$i" ]; then
+            find "$i" -xdev -mindepth 1 -print0 | xargs -r0 rm -v
+        fi
     done
 }