Question

I have a variable full of text, its actually a git log. Each line of the git log has an id (a JIRA id), which is either IPAD or MIPO.

I want to filter the git output and only show one or the other

So far I have this:

RAW_NOTES=`git log $LAST_REVISION..master --pretty=format:"%h %ar %s"`
echo "Raw git notes: $RAW_NOTES"

then i can filter it using

RELEASE_NOTES=`echo "$RAW_NOTES" | grep "$JIRA_KEY"`
echo $RELEASE_NOTES

However…. RAW_NOTES has nice formatting and line breaks, RELEASE_NOTES loses all my line breaks.

How can I either preserve formatting, or use some other text filtering command to remove certain lines of text that matches.

example input:

IPAD did this
IPAD did that
MIPO Im another comment
IPAD something else
IPAD bla bla
MIPO hello 
MIPO doodle do

and i want the output to be

MIPO Im another comment
MIPO hello 
MIPO doodle do

Thanks

Answer 1

git log provides filtering like so:

git log --grep="$JIRA_KEY"