Bash’isms (SVN+Awk+Grep+Cut+Bash one liners)

A couple bash 1 liners I threw together recently that I’ve found to come in very handy so I thought I’d share.

The back story is simple, yearly reviews, talk about what you’ve done, yadda yadda yadda.  Well, I don’t remember honestly. I’ve done A LOT.  That’s not going to fly in a serious meeting with “The Bobs”.  So I needed a way to look over my years work, as a refresher of little and big projects alike.  No problem SVN to the rescue… but our SVN has a lot of developers, and several commits per day of new features, bug fixes, tweaks, etc. After consulting the SVN docs I was pretty shocked to find no way to pull logs based on the user submitting said changes… one would expect something along the lines of:

svn log -uchad

And one would be wrong in assuming such a feature exists.  Some Google time turned up convoluted and down right ugly solutions.  I decided to have a go at it with my bash-fu… for practice and profit.  Below is an easy way using a couple common *nix tools to get the info you want fast and easy. In the following examples data you’ll need to replace will be wrapped in %’s with example data in []’s (e.g. %username[chad]%)

Get all svn commits for a given username:

svn log | grep '| %username[chad]%' | cut -d' ' -f1 | awk '{print "svn log -"$1}' | bash 

Get all svn commits for a given username in a year/month/day:

svn log | grep %date[YYYY-MM-DD]% | grep '| %username[chad]%' | cut -d' ' -f1 | awk '{print "svn log -"$1}' | bash 

Get all modified files for a users commited for a day/week/etc.:

svn log | grep %date[YYYY-MM-DD]% | grep '| %username%' | cut -d' ' -f1 | awk '{print "svn log -v -"$1}' | bash | grep %files['/trunk']%