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# Simple Package Manager (SPM)
(Original project: https://github.com/jhunkeler/spm)
A basic userland package management system with a few humble goals:
- To be simple and easy to use
- To support Linux, MacOS (not yet), and Windows (not yet)
- To avoid using `root` (or administrative accounts in general) to install software
- To keep your Monday mornings and Friday evenings pain free
## Build requirements
- cmake (https://cmake.org)
- curl (https://curl.haxx.se)
- gcc (https://gcc.gnu.org)
- openssl (https://www.openssl.org)
## Runtime Requirements
- file (http://darwinsys.com/file)
- patchelf (https://nixos.org/patchelf.html)
- objdump (https://www.gnu.org/software/binutils)
- reloc (https://github.com/jhunkeler/reloc)
- rsync (https://rsync.samba.org)
- tar (https://www.gnu.org/software/tar)
## Installation
### Dependencies
#### CentOS
```bash
$ yum install epel-release
$ yum install binutils cmake curl-devel file gcc openssl-devel patchelf rsync tar
```
#### Arch
```bash
$ pacman -S binutils cmake curl file gcc openssl patchelf rsync tar
```
### Install reloc
```bash
$ git clone https://github.com/jhunkeler/reloc
$ cd reloc
$ mkdir build
$ cd build
$ cmake .. -DCMAKE_INSTALL_PREFIX=/usr/local -DCMAKE_BUILD_TYPE=Release
```
### Install SPM
```bash
$ git clone https://github.com/jhunkeler/spmc
$ cd spmc
$ mkdir build
$ cd build
$ cmake .. -DCMAKE_INSTALL_PREFIX=/usr/local -DCMAKE_BUILD_TYPE=Release
$ make install
```
## Configuration
_TODO_
## Usage
```bash
$ spm --help
usage: spm [-hVvBIrmMLS]
-h, --help show this help message
-V, --version show version
-v, --verbose show more information
-y --yes do not prompt
-B, --build build package(s)
-I, --install install package(s)
-r, --root installation prefix (requires --install)
-m --manifest specify a package manifest to use
-M --override-manifests disable default package manifest location
-L, --list list available packages
-S, --search search for a package
--cmd execute an internal spm command
```
### Example
#### Install Python
```bash
$ spm --root ~/spmenv123 --install "python" # [...]
```
#### Export environment variables
```bash
$ source <(spm --mkruntime ~/spmenv123)
$ hash -r # or "rehash" if your shell supports it
```
#### Use Python
```bash
$ python -m ensurepip
$ python -m venv ~/spmenv123/venv
$ source ~/spmenv123/venv/bin/activate
(venv) $ pip install https://github.com/spacetelescope/jwst.git#egg=jwst
# ... do work
```
## Building SPM Packages
See the [spm_packages](https://github.com/jhunkeler/spm_packages) repository.
## Development
```bash
$ git clone https://github.com/jhunkeler/spm
$ cd spm
$ mkdir build
$ cmake ..
```
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