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The GAP 4 package "PackageManager"

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A basic collection of simple functions for installing and removing GAP packages, with the eventual aim of becoming a full package manager for the GAP system.

Example invocations:

gap> LoadPackage("PackageManager");

gap> InstallPackage("digraphs");

gap> InstallPackage("https://github.com/gap-packages/Semigroups.git");

gap> InstallPackage("https://www.gap-system.org/pub/gap/gap4/tar.gz/packages/mapclass-1.2.tar.gz");

gap> RemovePackage("semigroups");

By default, verbose information about a command's progress is printed to the screen. To see less of this information, try using:

gap> SetInfoLevel(InfoPackageManager, 1);

For more information on the features of PackageManager, see the documentation at https://gap-packages.github.io/PackageManager/doc/chap1.html or enter GAP and call, for example,

gap> ?InstallPackage

Installing and configuring GAP using PackageManager

It should be possible to install GAP from source, and install all required packages, using nothing but GAP and PackageManager. The following instructions attempt to install GAP in your home directory ~, with the package manager in a ~/.gap/pkg directory. This should work on a Debian/Ubuntu machine, but might need some alterations on a Mac.

First, make sure you've got the required dependencies for GAP installed on your computer. On a Debian/Ubuntu machine you can get the required software using:

sudo apt install autoconf build-essential curl git graphviz libtool libgmp-dev texlive-full

On a Mac, you can get the required software by installing Homebrew, and running:

brew install git autoconf automake curl GMP graphviz libtool

Now, to install GAP and PackageManager, open a terminal window and enter the following:

cd ~
git clone [email protected]:gap-system/gap.git
cd gap
./autogen.sh
./configure
make
cd ~/
mkdir .gap
cd .gap
mkdir pkg
cd pkg
git clone [email protected]:gap-packages/PackageManager.git
cd ~/gap
./gap --bare

In the GAP window that opens, enter the following:

LoadPackage("PackageManager");
InstallRequiredPackages();
quit;

Now compile the documentation using:

make doc

You should now be able to load GAP with ./gap and everything should work normally. Further required packages can be installed with InstallPackage when you need them.

Citing

Please cite this package using the following format:

[YouXX] M. Young, PackageManager (GAP package), Easily download and install GAP packages, Version X.Y.Z (20XX), https://github.com/gap-packages/PackageManager.

Acknowledgements

PackageManager was partly created with funding from the OpenDreamKit project: https://opendreamkit.org
This infrastructure is part of a project that has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement No 676541.