Graph of all Git commits

all-commits-graph.sh

#!/bin/bash

# Temporary file to accumulate all commit hours from all repos
ALL_COMMIT_HOURS_RAW="all_commit_hours_raw.txt"> "$ALL_COMMIT_HOURS_RAW" # Clear the contents to start fresh

# Generate a file with all hours listed (00 to 23)
for i in {0..23}; do printf "%02d\n" $i; done > hours.txt

# Use find to recursively search for Git repositories and process each
find . -type d -name ".git" | while read GIT_DIR; do
    REPO_DIR=$(dirname "$GIT_DIR")
    echo "Processing $REPO_DIR"
    (cd "$REPO_DIR" && git log --date=iso --pretty=format:'%ad' | awk -F" " '{print $2}' | cut -d: -f1) >> "$ALL_COMMIT_HOURS_RAW"
done

echo "Commit extraction done."

# Sort, count commits per hour, and ensure all hours are represented
sort "$ALL_COMMIT_HOURS_RAW" | uniq -c | sort -b -k2,2 > commit_hours_raw.txt
awk 'NR==FNR{a[$2]=$1; next} {print ($1 in a) ? a[$1] " " $1 : "0 " $1}' commit_hours_raw.txt hours.txt > commit_hours.txt

# Check if commit_hours.txt has data
if [ ! -s commit_hours.txt ]; then
    echo "No commit hours found in any repositories. Exiting."
    exit 1
fi

# Plot data using gnuplot
gnuplot -persist <<-EOFMarker
    set title "Commits per Hour Across All Repositories"
    set xlabel "Hour of the Day"
    set ylabel "Number of Commits"
    set xtics rotate by -45
    set style data histograms
    set style histogram cluster gap 1
    set style fill solid border -1
    set boxwidth 0.9
    set terminal png
    set output "commit_hours_across_all_repos.png"
    plot "commit_hours.txt" using 1:xtic(2) title 'Commits'
EOFMarker

echo "Plot saved as commit_hours_across_all_repos.png"