Add branch to rockspec, fix publishing rockspec for tag

Author: mmelentiev-mail

.travis.yml

@@ -123,8 +123,8 @@ jobs:
           provider: script
           script: cat $ROCK_NAME-scm-1.rockspec |
             sed -E
-              -e "s/branch = '.+'/tag = '$TRAVIS_TAG'/g"
-              -e "s/version = '.+'/version = '$TRAVIS_TAG-1'/g" |
+              -e "s/branch = \".+\"/tag = \"$TRAVIS_TAG\"/g"
+              -e "s/version = \".+\"/version = \"$TRAVIS_TAG-1\"/g" |
             curl --fail -X PUT -F "rockspec=@-;filename=$ROCK_NAME-$TRAVIS_TAG-1.rockspec"
               https://$ROCKS_USERNAME:$ROCKS_PASSWORD@rocks.tarantool.org
 

luacheck-scm-1.rockspec

@@ -1,7 +1,8 @@
 package = "luacheck"
 version = "scm-1"
 source = {
-   url = "git+https://github.com/tarantool/luacheck.git"
+   url = "git+https://github.com/tarantool/luacheck.git",
+   branch = "master",
 }
 description = {
    summary = "A static analyzer and a linter for Lua",