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Fixup readme

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Matthew Bauer 2017-02-06 18:19:01 -06:00
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@ -52,33 +52,45 @@ Some others to try:
./nix2appimage.sh emacs
```
This will create a file at Emacs-x86_64.AppImage which you can execute.
Notice that there is only one argument for nix2appimage.sh. This is because the target executable will be detected from the .desktop file in ```/share/applications/*.desktop```. As a side-effect, AppImage requires your package to have a .desktop file, so packages like "hello", "coreutils", etc. will not work.
Some other examples to try:
```sh
./nix2appimage.sh firefox
```
```sh
./nix2appimage.sh vlc
./nix2appimage.sh allegro
```
```sh
./nix2appimage.sh 0ad
```
```sh
./nix2appimage.sh wireshark-gtk
```
These may take a while because of the large closure size.
## Comparison with AppImage, FlatPak, Snappy
| Name | Distro-agnostic | Runtime required | Root required | Storage | Packaged size of vlc |
| ---------- | --------------- | ---------------- | ------------- | ------- | -------------------- |
| nix-bundle | yes | no | no | Arx tarball | 176M |
| AppImage | yes | no | no | Squashfs w/ lzma compression | 80M |
| FlatPak | yes | yes | no | ? | ? |
| Snappy | yes | yes | no | squashFS | 115M |
| Name | Distro-agnostic | Runtime required | Root required | Storage |
| ---------- | --------------- | ---------------- | ------------- | ------- |
| nix-bundle | yes | no | no | Arx tarball |
| AppImage | yes | no | no | Squashfs w/ lzma compression |
| FlatPak | yes | yes | no | ? |
| Snappy | yes | yes | no | squashFS |
## How it works
Nix-bundle glues together four different projects to work correctly:
* [Arx](https://github.com/solidsnack/arx) - an archive execution tool
* Creates single-file archive executable that can unpack themselves and then run some command. nix-bundle calls nix-user-chroot to bootstrap the Nix environment. It outputs a "./nix" folder.
* Creates single-file archive executable that can unpack themselves and then run some command. nix-bundle calls nix-user-chroot to bootstrap the Nix environment. It outputs a "./nix" folder.
* [nix-user-chroot](https://github.com/lethalman/nix-user-chroot) - a small bootstrap that uses Linux namespaces to call chroot
* This will create sub namespace and bind mount the "./nix" to "/nix" so that the Nix references function properly.
* [Nix](https://nixos.org/nix/) - a functional package manager