move retry to script

.azure-pipelines/templates/stages/deploy-stage.yml

@@ -55,24 +55,10 @@ stages:
               secureFile: snapcraft.cfg
           - bash: |
               set -e
-              retry_command() {
-                # based on travis_retry.bash https://github.com/travis-ci/travis-build/blob/master/lib/travis/build/bash/travis_retry.bash
-                local result=0
-                local count=1
-                while [[ "${count}" -le 3 ]]; do
-                  result=0
-                  "${@}" || result="${?}"
-                  if [[ $result -eq 0 ]]; then break; fi
-                  count="$((count + 1))"
-                  sleep 1
-                done
-
-                return "${result}"
-              }
               mkdir -p .snapcraft
               ln -s $(snapcraftCfg.secureFilePath) .snapcraft/snapcraft.cfg
               for SNAP_FILE in snap/*.snap; do
-                retry_command eval snapcraft upload --release=${{ parameters.snapReleaseChannel }} "${SNAP_FILE}"
+                tools/retry.sh eval snapcraft upload --release=${{ parameters.snapReleaseChannel }} "${SNAP_FILE}"
               done
             displayName: Publish to Snap store
       - job: publish_docker

tools/retry.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+# Retries a command if it fails.
+#
+# This is based on travis_retry.bash
+# https://github.com/travis-ci/travis-build/blob/master/lib/travis/build/bash/travis_retry.bash.
+set -e
+result=0
+count=1
+while [[ "${count}" -le 3 ]]; do
+  result=0
+  "${@}" || result="${?}"
+  if [[ $result -eq 0 ]]; then break; fi
+  count="$((count + 1))"
+  sleep 1
+done
+
+exit "${result}"