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diff --git a/docs/01_Getting_Started/02_Building_AGL_Image/03_Downloading_AGL_Software.md b/docs/01_Getting_Started/02_Building_AGL_Image/03_Downloading_AGL_Software.md new file mode 100644 index 0000000..02d9108 --- /dev/null +++ b/docs/01_Getting_Started/02_Building_AGL_Image/03_Downloading_AGL_Software.md @@ -0,0 +1,102 @@ +--- +title: Downloading AGL Software +--- + +Once you have determined the build host can build an AGL image, +you need to download the AGL source files. +The AGL source files, which includes the Yocto Project layers, are +maintained on the AGL Gerrit server. +For information on how to create accounts for Gerrit, see the +[Getting Started with AGL](https://wiki.automotivelinux.org/start/getting-started) +wiki page. + +**NOTE:** Further information about Download and Build AGL Source Code available at [AGL wiki](https://wiki.automotivelinux.org/agl-distro/source-code). + +The remainder of this section provides steps on how to download the AGL source files: + +1. **Define Your Top-Level Directory:** + You can define an environment variable as your top-level AGL workspace folder. + Following is an example that defines the `$HOME/workspace_agl` folder using + an environment variable named "AGL_TOP": + + ```sh + $ export AGL_TOP=$HOME/AGL + $ echo 'export AGL_TOP=$HOME/AGL' >> $HOME/.bashrc + $ mkdir -p $AGL_TOP + ``` + +2. **Download the `repo` Tool and Set Permissions:** + AGL Uses the `repo` tool for managing repositories. + Use the following commands to download the tool and then set its + permissions to allow for execution: + + ```sh + $ mkdir -p $HOME/bin + $ export PATH=$HOME/bin:$PATH + $ echo 'export PATH=$HOME/bin:$PATH' >> $HOME/.bashrc + $ curl https://storage.googleapis.com/git-repo-downloads/repo > $HOME/bin/repo + $ chmod a+x $HOME/bin/repo + ``` + + **NOTE:** See the + "[Repo Command Reference](https://source.android.com/setup/develop/repo)" + for more information on the `repo` tool. + +3. **Download the AGL Source Files:** + Depending on your development goals, you can either download the + latest stable AGL release branch, or the "cutting-edge" (i.e. "master" + branch) files. + + * **Stable Release:** + Using the latest stable release gives you a solid snapshot of the + latest know release. + The release is static, tested, and known to work. + To download the [latest stable release branch](https://wiki.automotivelinux.org/agl-distro/release-notes#latest_stable_release), use + the following commands: + + **Note:** In this below command please change the branch name to the [latest stable release branch](https://wiki.automotivelinux.org/agl-distro/release-notes#latest_stable_release). For example, for Nifty Needlefish branch use the last name i.e. "needlefish" as branch. + + + ```sh + $ cd $AGL_TOP + $ mkdir <<branch name>> + $ cd <<branch name>> + $ repo init -b <<branch name>> -u https://gerrit.automotivelinux.org/gerrit/AGL/AGL-repo + $ repo sync + ``` + + * **Cutting-Edge Files:** + Using the "cutting-edge" AGL files gives you a snapshot of the + "master" branch. + The resulting local repository you download is dynamic and changes frequently depending on community contributions. + The advantage of using "cutting-edge" AGL files is that you have the + absolute latest features, which are often under development, for AGL. + + To download the "cutting-edge" AGL files, use the following commands: + + ```sh + $ cd $AGL_TOP + $ mkdir master + $ cd master + $ repo init -u https://gerrit.automotivelinux.org/gerrit/AGL/AGL-repo + $ repo sync + ``` + + Once you `sync` the repository, you have the AGL files in the form of + "layers" (e.g. `meta-*` folders). + You also have the `poky` repository in your AGL workspace. + + Listing out the resulting directory structure appears as follows: + + ```sh + $ tree -L 1 + . + ├── bsp + ├── external + ├── meta-agl + ├── meta-agl-cluster-demo + ├── meta-agl-demo + ├── meta-agl-devel + ├── meta-agl-extra + └── meta-agl-telematics-demo + ``` |