Created
May 3, 2018 21:23
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Script to find out the percentage of commits that modified sbt build files in a repository.
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#!/bin/bash - | |
#=============================================================================== | |
# | |
# FILE: sbt-build-stats-git.sh | |
# | |
# USAGE: ./sbt-build-stats-git.sh | |
# | |
# DESCRIPTION: Script that outputs what's the percentage of commits in a codebase | |
# that modified the sbt build files. It can be modified to support | |
# statistics in other files. | |
# | |
# OPTIONS: --- | |
# REQUIREMENTS: --- | |
# BUGS: --- | |
# NOTES: --- | |
# AUTHOR: Jorge Vicente Cantero | |
# ORGANIZATION: Scala Center | |
# CREATED: 05/03/2018 09:32:45 PM CEST | |
# REVISION: 1.0 | |
#=============================================================================== | |
set -o nounset # Treat unset variables as an error | |
BRANCH=${1:-master} | |
ALL_COMMITS_BUT_FIRST=$(git rev-list --min-parents=1 "$BRANCH") | |
ALL_COMMITS_BUT_FIRST_COUNT=$(echo "$ALL_COMMITS_BUT_FIRST" | wc -l) | |
TOTAL_COMMITS=$((ALL_COMMITS_BUT_FIRST_COUNT + 1)) | |
count=0 | |
for commit in $ALL_COMMITS_BUT_FIRST; do | |
if git diff --name-only "$commit" "$commit"~1 | grep '.*\.sbt$' > /dev/null 2>&1; then | |
count=$((count + 1)) | |
fi | |
done | |
PERCENTAGE=$(echo "scale=2; $count * 100 / $TOTAL_COMMITS" | bc -l) | |
echo "Total commits in the branch $BRANCH is $TOTAL_COMMITS" | |
echo "Detected changes in branch $BRANCH is $count" | |
echo "The percentage of commits that modify sbt build files is $PERCENTAGE" |
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