247 lines
10 KiB
Markdown
247 lines
10 KiB
Markdown
---
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title: Package.yml
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---
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# Package.yml
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All packages consist of a single build file, which provides all of the required metadata for the package manager, plus the build steps involved to produce a package. This follows the YAML specification.
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## Format
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All `package.yml` files **must** be valid YAML.
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As can be seen in the example below, the file is organised into a key->value hierarchy. Some values may be required to be in a list format, whereas most are simple strings. The build step sections are all considered optional, however if you do not
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perform *any* steps, then no package is generated. Each of these keys contains content that will be placed within a script and executed within a controlled environment to perform the package build. To all intents and purposes, they are bash scripts
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with a predefined environment.
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An example file follows:
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``` yaml
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name : nano
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version : 2.5.1
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release : 39
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source :
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- http://www.nano-editor.org/dist/v2.5/nano-2.5.1.tar.gz : e06fca01bf183f4d531aa65a28dffc0e2d10185239909eb3de797023f3453bde
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license :
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- GPL-3.0
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component : editor
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summary : Small, friendly text editor inspired by Pico
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description : |
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GNU nano is an easy-to-use text editor originally designed as a replacement for
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Pico, the ncurses-based editor from the non-free mailer package Pine.
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setup : |
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%configure --enable-utf8 --docdir=/usr/share/doc/nano
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build : |
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%make
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install : |
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%make_install
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# TODO: Convert to stateless
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install -D -m 00644 $pkgfiles/nanorc $installdir/etc/nanorc
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```
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## Keys
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Not all fields in `package.yml` are mandatory, but a small selection are. They are listed below. Note that `string(s)` indicates that it is possible to use a `list` of strings, or one single `string`
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`dict` refers to a `key : value` split in YAML, and `dict(s)` refers to a list of `dict`s
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### Mandatory Keys
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Key Name | Type | Description
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---- | ---- | ----
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**name** | `string` | The name of the package. This is also used as the base of all sub-package names. Unless unavoidable, this should match the upstream name
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**version** | `string` | The version of the currently packaged software. This is taken from the tarball in most cases.
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**release** | `integer` | Specifies the current release number. Updates in the package number are based on this `release` number, *not* the `version` number. As such, to release an update to users, this number must be incremented by one.
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**license** | `string(s)` | Valid upstream license(s). Try to ensure these use [SPDX identifiers](http://spdx.org/licenses/).
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**source** | `dict(s)` | Upstream source location (i.e. tarball), with the valid `sha256sum` as a value
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**component** | `string` | Component / group of packages this package belongs to. Check available components via `eopkg lc`
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**summary** | `string` | Brief package summary, or display name
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**description** | `string` | More extensive description of the software, usually taken from the vendor website
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### Optional, supported keys
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Key Name | Type | Description
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---- | ---- | ----
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**clang** | `bool` | Set to `no` if this package cannot be built with Clang
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**extract** | `bool` | Set to `no` to disable automatic source extraction.
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**autodep** | `bool` | Set to `no` to disable automatic binary dependency resolution at build time
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**emul32** | `bool` | Set to `yes` to enable an `-m32` build (32-bit libs)
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**libsplit** | `bool` | Set to `no` to disable splitting of libraries into `devel` sub-packages
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**rundeps** | `dict(s)` | Specify further runtime dependencies for the packages
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**replaces** | `dict(s)` | Replace one package with another, used when renaming or deprecating packages for clean upgrade paths
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**patterns** | `dict(s)` | Allows fine grained control over file placement within the package or sub-packages. Useful for packages that are development only (i.e. `/usr/bin` files)
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### Build step keys, optional
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Note that each step in itself is optional, however all can be used. The value of each of these keys is merged into a build script that is executed for each stage of the build.
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Step Name | Description
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---- | ----
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**setup** | Performed after the source extraction. This is the correct place to perform any `configure` routine, or to `patch` the sources.
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**build** | Use this step to run the build portion, i.e. `make`
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**install** | This is where you should install the files into the final packaging directory, i.e. `make install`
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**check** | There is where tests / checking should occur, i.e. `make check`
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## Macros
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To further assist in packaging, a number of macros are available. These are simply shorthand ways to perform a normal build operation. They also ensure that the resulting package is consistent. These macros are only available in our build steps, as
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they are substituted within the script before execution.
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### Usage
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Macros are prefixed with `%`, and are substituted before your script is executed. Macros ending with `%` are used to provide directory names or build values, to the script.
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``` bash
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# Run the configure macro with the given arguments
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%configure --disable-static
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```
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### Actionable Macros
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Macro | Description
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---- | ----
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**%autogen** | Runs autogen with our `%CONFOPTS%` to create a configure script then proceeds to run `%configure`.
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**%cmake** | Configure cmake project with the distribution specific options, such as prefix and release type
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**%configure** | Runs `./configure` with our `%CONFOPTS%` variable macro.
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**%make** | Runs the `make` command with the job count specified in `eopkg.conf`
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**%make_install** | Perform a `make install`, using the `DESTDIR` variant. Should work for the vast majority of packages.
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**%patch** | Sane patch macro to run in batch mode and not contaminate source tree on failure
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**%apply_patches** | Applies all patches listed in the `series` file in `./files` folder.
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**%reconfigure** | Updates build scripts such as `./configure` and proceeds to run `%configure`.
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### Haskell Actionable Macros
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Macro | Description
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---- | ----
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**%cabal_configure** | Runs cabal configure with prefix, libdir, etc. and ensures the necessary package.conf.d is copied to the correct location.
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**%cabal_build** | Runs cabal build with `%JOBS%`
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**%cabal_install** | Runs cabal copy to `$installdir`
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**%cabal_register** | Runs cabal register to generate a pkg-config for package and version, then installs the conf file.
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### Meson Actionable Macros
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Macro | Description
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---- | ----
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**%meson_configure** | Runs meson with our CFLAGS and appropriate flags such as libdir.
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**%meson_build** | Runs ninja and passes our %JOBS% variable.
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**%meson_install** | Runs meson install and passed the appropriate DESTDIR and %JOBS% variable
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### Perl Actionable Macros
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Macro | Description
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---- | ----
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**%perl_setup** | Runs Perl setup scripts Build.pl or Makefile.pl with the appropriate variable flags.
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**%perl_build** | Runs Perl build scripts or attempts `%make`.
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**%perl_install** | Runs Perl install scripts or attempts `%make_install`.
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### Python Actionable Macros
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Macro | Description
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---- | ----
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**%python_setup** | Runs the build portion of a setup.py using python2.
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**%python_install** | Runs the install portion of a setup.py, to the appropriate root, using python2.
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**%python3_setup** | Runs the build portion of a setup.py using python3.
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**%python3_install** | Runs the install portion of a setup.py, to the appropriate root, using python3.
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### Qt Actionable Macros
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Macro | Description
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---- | ----
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**%qmake** | Runs qmake for Qt5 with the appropriate make flags.
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**%qmake4** | Runs qmake for Qt4, as well as adding the necessary MOC, RCC, and UIC flags since those Qt4 executables end in -qt4.
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### Variable Macros
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Macro | Description
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---- | ----
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**%ARCH%** | Indicates the current build architecture.
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**%CONFOPTS%** | Flags / options for configuration, such as `--prefix=/usr`. [Full List.](https://github.com/solus-project/ypkg/blob/master/ypkg2/rc.yml#L74)
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**%CFLAGS%** | cflags as set in `eopkg.conf`
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**%CXXFLAGS%** | cxxflags as set in `eopkg.conf`
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**%LDFLAGS%** | ldflags as set in `eopkg.conf`
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**%CC%** | C compiler
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**%CXX%** | C++ compiler
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**%JOBS%** | jobs, as set in `eopkg.conf`
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**%installroot%** | Hard-coded install directory
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**%libdir%** | The distribution’s default library directory, i.e. `/usr/lib64` (Alters for `emul32`)
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**%workdir%** | Hard-coded work directory (source tree)
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## Variables
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A set of variables are exported in our build stages. These are used to provide context and structure to the scripts.
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Variable | Description
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---- | ----
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**$CFLAGS** | cflags as set in eopkg.conf
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**$CXXFLAGS** | cxxflags as set in `eopkg.conf`
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**$LDFLAGS** | ldflags as set in `eopkg.conf`
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**$CC** | C compiler
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**$CXX** | C++ compiler
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**$EMUL32BUILD** | Set only when compiling in `emul32` mode
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**$workdir** | The work, or source, directory of the package build
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**$installdir** | The install directory, i.e. where files are installed to for packaging
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**$pkgfiles** | Refers to the `./files` directory relative to the `package.yml` file
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**$sources** | Refers to the directory where your source files are stored e.g. `$sources/nano.tar.gz`
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## Types
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The `package.yml` file uses native YAML types, however for the sake of clarity an explanation of how they are used within the context of `ypkg` is provided below.
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### string
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This is simply text, which does not need to be quoted.
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### integer
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Whole, positive number, used in the `release` field.
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### list
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A YAML list (or array) can be expressed in multiple ways. A short array-notation would look like this:
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`[one, two, three]`
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They can also be expressed like this:
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``` yaml
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- First Value
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- Second Value
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- Third Value
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```
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### dict
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Known as an associative array, this is key to value mapping. These are separated by a colon (`:`), the token on the left is taken to be a key, and the token on the right is the value.
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`SomeKey: Some Value`
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Note that each `ypkg key` in the YAML file is actually a dict.
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### dict(s)
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This is a combination of the `list` type, the `dict` type and some assumptions. We primarily make use of this to express advanced information within the package. These permit you to provide no key, and a value only.
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In this instance, the key is assumed to be the package `name`:
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`- some value`
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An explicit key, usually a sub-package name:
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`- somekey: somevalue`
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A mix of both:
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``` yaml
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- somevalue
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- somekey: another value
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```
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The values may also be expressed in list form, still using the same default key logic:
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``` yaml
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- [one,two, three]
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- somekey: [one,two, three]
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- key:
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- value one
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- value two
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- value three
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```
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