Git Daily Commit Stats Summary

git-daily-summary.sh

#!/bin/bash
# Git Daily Summary: Rollup of Files Changed, Lines Added, and Lines Deleted by Day
# Command: git log with custom format to show daily summary of changes in the repository
# Usage: Run this script to get a summary of changes per day within the specified time range.
# Example output is shown below.

# Command:
git log --since="1 month ago" --date=short --pretty=format:"%cd" --shortstat | \
awk '
    /^20[0-9]{2}-[0-9]{2}-[0-9]{2}/ { 
        date=$1 
    } 
    /files changed/ { 
        files[date]+=$1; inserted[date]+=$4; deleted[date]+=$6 
    } 
    END { 
        for (d in files) 
            printf "%s - Files changed: %s, Lines added: %s, Lines deleted: %s\n", d, files[d], inserted[d], deleted[d] 
    }
' | sort

# Example Output:
# 2024-11-03 - Files changed: 86, Lines added: 12129, Lines deleted: 697
# 2024-11-04 - Files changed: 12, Lines added: 2498, Lines deleted: 269
# 2024-11-05 - Files changed: 11, Lines added: 1197, Lines deleted: 390
# 2024-11-06 - Files changed: 13, Lines added: 860, Lines deleted: 1035
# 2024-11-07 - Files changed: 24, Lines added: 1895, Lines deleted: 203