scripts/update_dep.sh: Script to update selected versions of dependencies.

scripts/update_dep.sh

@@ -0,0 +1,32 @@
+#!/bin/bash 
+
+# Usage:
+#    ./scripts/update_dep.sh module version
+# or ./scripts/update_dep.sh module
+# e.g.
+#   ./scripts/update_dep.sh github.com/golang/groupcache
+#   ./scripts/update_dep.sh github.com/soheilhy/cmux v0.1.5
+#
+# Updates version of given dependency in all the modules that depend on the mod.
+
+source ./scripts/test_lib.sh
+
+mod="$1"
+ver="$2"
+
+function maybe_update_module {
+  log_callout "Processing ${module}"
+  run go mod tidy
+
+  deps=$(go list -f '{{if not .Indirect}}{{if .Version}}{{.Path}},{{.Version}}{{end}}{{end}}' -m all)
+  if [[ "$deps" == *"${mod}"* ]]; then
+    if [ -z "${version}" ]; then
+      run go get "${mod}"
+    else
+      run go get "${mod}@${ver}"
+    fi
+  fi
+ }
+
+go mod tidy
+run_for_modules maybe_update_module