tool/set_sdk_ref

#!/bin/bash --
#
# Updates ref to SDK packages in pubspec.yaml.
#
# Refs with a comment on the same line, starting `#`, are not updated: this is
# for the `dart_style` ref which is to another repo.
#
# If it's a dev tag, also updates SDK version.

REF=$1

if echo $REF | grep -Eq 'dev$'; then
  sed -i -e "s#^  sdk: .*#  sdk: ^$REF#" $(find . -name pubspec.yaml)
else
  if echo $REF | grep -Eqv '^[a-z0-9][a-z0-9-]*$'; then
    echo "Doesn't look like a git ref? $REF"
    echo "Usage: tool/set_sdk_version <git ref>"
    exit 1
  fi

  echo "Got a ref, not a dev tag: updating deps but not SDK version."
fi

sed -i -e "s#^      ref: [^#]*\$#      ref: $REF#" pubspec.yaml