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Visualize git commits as a calendar heatmap

Features

  • Written in bash with a minimum of dependencies
  • Fast (all commits processed at once)
  • Themes: dark, light, 8colors + you can create your own themes
  • Customizable (See Configuration)
  • Customizable color breakpoints
  • Filtering by author and committer

Dependencies

Most likely you already have all these utils installed.

  • bash 5.0+
  • coreutils (date, sort, uniq)
  • git

Installation

Linux (Manual)

# Download the script to the local bin directory and make it executable
curl https://raw.githubusercontent.com/denshakhov/git-heatgrid/main/git-heatgrid -o ~/.local/bin/git-heatgrid
chmod +x ~/.local/bin/git-heatgrid

Arch Linux

AUR package: git-heatgrid

yay -S git-heatgrid

Example config: /usr/share/doc/git-heatgrid/config.conf.example

Usage

cd /path/to/your/repo
git-heatgrid

# or
git-heatgrid /path/to/your/repo

For convenience, add this alias to your ~/.bashrc file:

alias hg='git-heatgrid'

To get more help, run git-heatgrid -h:

USAGE
    git-heatgrid [OPTIONS] [REPOSITORY]

ARGUMENTS
    REPOSITORY  Path to the git repository (default: current directory)

OPTIONS
    -a pattern Limit the commits output to ones with author header lines that
               match the specified pattern (regular expression). With more than
               one -a, commits whose author matches any of the given
               patterns are chosen.
    -b number  Breakpoints multiplier, allows quickly adjust breakpoints
               for repos with a lot of commits per day, first two breakpoints
               aren't affected by the multiplier (default: 1)
    -c         Show number of commits
    -d         Show days of month (Use it with -w3 for better readability)
    -e         Hide years without commits
    -g         Gap between months (default: 0, recommended: >= 4)
    -l         Show the legend
    -m pattern Same as -a option but for a committer
    -s number  Weeks start on number (default: 1, available: 1 .. 7,
               1 is Monday and 7 is Sunday)
    -t name    Theme name (default: dark, available: dark, light, 8colors)
    -w number  Cell width (default: 2, available: 2, 3)
    -y number  Number of years to print (default: 0 - all)

    -h         Display this help and exit
    -V         Output version information and exit

FILES
    The configuration files are read in the order given below, with last value
    found taking precedence over values read earlier.

    /etc/git-heatgrid/config.conf
        System-wide configuration file.

    $XDG_CONFIG_HOME/git-heatgrid/config.conf
        User-specific configuration file. When the XDG_CONFIG_HOME environment
        variable is not set or empty, $HOME/.config is used as $XDG_CONFIG_HOME.

Configuration

Download the example config to either /etc/git-heatgrid/config.conf or ~/.config/git-heatgrid/config.conf and change it to suit your needs. It's heavily commented and contains all available options with their default values.

mkdir ~/.config/git-heatgrid
curl https://raw.githubusercontent.com/denshakhov/git-heatgrid/main/config.conf -o ~/.config/git-heatgrid/config.conf

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License

MIT

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Visualize git commits as a calendar heatmap

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