Use format_link(…) as suggested by @skshetry, vs {blue}/{nc}.

Since I'd pulled the old syntax out of repo/init.py, I've fixed that up
as well so no one makes that mistake again. Note that this adds <>s around
the link text, unlike before:

+---------------------------------------------------------------------+
|                                                                     |
|        DVC has enabled anonymous aggregate usage analytics.         |
|     Read the analytics documentation (and how to opt-out) here:     |
|             <https://dvc.org/doc/user-guide/analytics>              |
|                                                                     |
+---------------------------------------------------------------------+

This is probably fine, since if we're going to have a standard link format
we might as well stick with it consistently. If we don't like it, we can
change format_link() I guess.

dvc/command/status.py

@@ -1,9 +1,8 @@
 import logging
 
-import colorama
-
 from dvc.command.data_sync import CmdDataBase
 from dvc.exceptions import DvcException
+from dvc.utils import format_link
 
 logger = logging.getLogger(__name__)
 
@@ -14,8 +13,8 @@ class CmdDataStatus(CmdDataBase):
     UP_TO_DATE_MSG = "Data and pipelines are up to date."
     EMPTY_PROJECT_MSG = (
         "There is no data tracked in this project yet.\n"
-        "See {bl}https://dvc.org/doc/start/data-versioning{nc} to get started!"
-    ).format(bl=colorama.Fore.BLUE, nc=colorama.Fore.RESET)
+        "See {link} to get started!"
+    ).format(link=format_link("https://dvc.org/doc/start/data-versioning"))
 
     def _normalize(self, s):
         s += ":"

dvc/repo/init.py

@@ -10,7 +10,9 @@
 from dvc.repo import Repo
 from dvc.scm import SCM
 from dvc.scm.base import SCMError
-from dvc.utils import boxify, relpath
+from dvc.utils import boxify
+from dvc.utils import format_link as fmt_link
+from dvc.utils import relpath
 from dvc.utils.fs import remove
 
 logger = logging.getLogger(__name__)
@@ -22,24 +24,18 @@ def _welcome_message():
             boxify(
                 "DVC has enabled anonymous aggregate usage analytics.\n"
                 "Read the analytics documentation (and how to opt-out) here:\n"
-                "{blue}https://dvc.org/doc/user-guide/analytics{nc}".format(
-                    blue=colorama.Fore.BLUE, nc=colorama.Fore.RESET
-                ),
+                + fmt_link("https://dvc.org/doc/user-guide/analytics"),
                 border_color="red",
             )
         )
 
     msg = (
         "{yellow}What's next?{nc}\n"
         "{yellow}------------{nc}\n"
-        "- Check out the documentation: {blue}https://dvc.org/doc{nc}\n"
-        "- Get help and share ideas: {blue}https://dvc.org/chat{nc}\n"
-        "- Star us on GitHub: {blue}https://github.com/iterative/dvc{nc}"
-    ).format(
-        yellow=colorama.Fore.YELLOW,
-        blue=colorama.Fore.BLUE,
-        nc=colorama.Fore.RESET,
-    )
+        f"- Check out the documentation: {fmt_link('https://dvc.org/doc')}\n"
+        f"- Get help and share ideas: {fmt_link('https://dvc.org/chat')}\n"
+        f"- Star us on GitHub: {fmt_link('https://github.com/iterative/dvc')}"
+    ).format(yellow=colorama.Fore.YELLOW, nc=colorama.Fore.RESET)
 
     logger.info(msg)