93 lines
2.8 KiB
Text
93 lines
2.8 KiB
Text
/-
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Copyright (c) 2017 Microsoft Corporation. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Authors: Gabriel Ebner, Sebastian Ullrich, Mac Malone
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-/
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import Lake.Version
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namespace Lake
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def usage :=
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"Lake, version " ++ versionString ++ "
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Usage:
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lake <command>
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init <name> create a Lean package in the current directory
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configure download and build dependencies
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build configure and build *.olean files
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build-lib configure and build a static library
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build-bin configure and build a native binary executable
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See `lake help <command>` for more information on a specific command."
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def helpConfigure :=
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"Download and build dependencies
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Usage:
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lake configure
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This command sets up the `build/deps` directory.
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For each (transitive) git dependency, the specified commit is checked out
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into a sub-directory of `build/deps`. If there are dependencies on multiple
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versions of the same package, the version materialized is undefined. No copy
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is made of local dependencies."
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def helpBuild :=
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"Configure this package and build *.olean files
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Usage:
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lake build
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This command configures the package's dependencies and then builds the package
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with `lean`. Additional arguments can be passed to `lean` by setting the
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`leanArgs` field in the package's configuration."
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def helpBuildLib :=
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"Configure this package and build a static library
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Usage:
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lake build-lib
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This command configures this package's dependencies, builds the package itself,
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compiles the extracted C code with `leanc`, and uses `ar` to produce a static
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library in `build/lib`.
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Additional arguments can be passed to `lean` or `leanc` by setting the
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`leanArgs` or `leancArgs` fields in the package's configuration."
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def helpBuildBin :=
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"Configure the package and build a native binary executable
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Usage:
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lake build-bin
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This command configures this package's dependencies, builds the package itself,
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compiles the extracted C code `leannc`, and then links the object files with
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`leanc` to produce a native binary executable in `build/bin`.
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This requires a declaration of name `main` in the root namespace, which must
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return `IO Unit` or `IO UInt32` (the exit code) and may accept the program's
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command line arguments as a `List String` parameter.
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Additional arguments can be passed to `lean`, the `leanc` compiler, or the
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`leanc` linker by setting the `leanArgs`, `leancArgs`, or `linkArgs` fields in
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the package's configuration."
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def helpInit :=
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"Create a new Lean package in the current directory
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Usage:
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lake init <name>
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This command creates a new Lean package with the given name in the current
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directory."
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def help : (cmd : String) → String
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| "init" => helpInit
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| "configure" => helpConfigure
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| "build" => helpBuild
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| "build-lib" => helpBuildLib
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| "build-bin" => helpBuildBin
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| _ => usage
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