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Added ability to choose random victim #16

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Added ability to choose random victim #16

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2 changes: 2 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,8 @@ $ sudo make install

```bash
$ git blame-someone-else <author> <commit>
OR
$ git blame-someone-else "random" <commit>
```

![ezgif-1396449034](https://cloud.githubusercontent.com/assets/762949/12863650/068e2820-cc2e-11e5-80c5-6ebdb71f51ea.gif)
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9 changes: 9 additions & 0 deletions git-blame-someone-else
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Expand Up @@ -6,6 +6,15 @@ if [ $# -ne 2 ]; then
fi

AUTHOR=$1

if [ "$1" = "random" ]; then
CONTRIBUTORS_RAW=$(git shortlog -s)
CONTRIBUTORS=($CONTRIBUTORS_RAW)
NUM_OF_CONTRIBUTORS=${#CONTRIBUTORS[*]}
RAND_NUM=$(( ( RANDOM % (${#CONTRIBUTORS[*]} / 3) ) * 3 + 1 ))
AUTHOR="${CONTRIBUTORS[$RAND_NUM]} ${CONTRIBUTORS[$RAND_NUM + 1]}"
fi

AUTHOR_NAME=$(echo $AUTHOR | perl -wlne '/^(.*)\s*<.*>$/ and print $1')
AUTHOR_EMAIL=$(echo $AUTHOR | perl -wlne '/^.*\s*<(.*)>$/ and print $1')
COMMIT=$(git rev-parse --short $2)
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