Now you need to look up what 1001, 1002 or 1003 are. It takes time and makes you unable to skim-read the commit history. Also projects are often migrated, off

Now you need to look up what 1001, 1002 or 1003 are. It takes time and makes you unable to skim-read the commit history. Also projects are often migrated, offshored etc., and it's not rare for repositories to get uncoupled from the ticket system. Now "1004" tells me nothing, because I've got the source code and VCS history, but no access to the original Jira where the issue was reported.