[vcpkg_extract_source_archive_ex] Document vcpkg_extract_source_archive_ex

3 files changed, 54 insertions, 1 deletions

diff --git a/docs/maintainers/portfile-functions.md b/docs/maintainers/portfile-functions.md
index 1aad301eb..f159f7f64 100644
--- a/docs/maintainers/portfile-functions.md
+++ b/docs/maintainers/portfile-functions.md
@@ -14,6 +14,7 @@
 - [vcpkg\_download\_distfile](vcpkg_download_distfile.md)

 - [vcpkg\_execute\_required\_process](vcpkg_execute_required_process.md)

 - [vcpkg\_extract\_source\_archive](vcpkg_extract_source_archive.md)

+- [vcpkg\_extract\_source\_archive\_ex](vcpkg_extract_source_archive_ex.md)

 - [vcpkg\_find\_acquire\_program](vcpkg_find_acquire_program.md)

 - [vcpkg\_from\_bitbucket](vcpkg_from_bitbucket.md)

 - [vcpkg\_from\_git](vcpkg_from_git.md)

diff --git a/docs/maintainers/vcpkg_extract_source_archive.md b/docs/maintainers/vcpkg_extract_source_archive.md
index 104032ffc..4971df960 100644
--- a/docs/maintainers/vcpkg_extract_source_archive.md
+++ b/docs/maintainers/vcpkg_extract_source_archive.md
@@ -1,6 +1,6 @@
 # vcpkg_extract_source_archive
 
-Extract an archive into the source directory.
+Extract an archive into the source directory. Deprecated in favor of [`vcpkg_extract_source_archive_ex`](vcpkg_extract_source_archive_ex.md).
 
 ## Usage
 ```cmake
diff --git a/docs/maintainers/vcpkg_extract_source_archive_ex.md b/docs/maintainers/vcpkg_extract_source_archive_ex.md
new file mode 100644
index 000000000..92c90b296
--- /dev/null
+++ b/docs/maintainers/vcpkg_extract_source_archive_ex.md
@@ -0,0 +1,52 @@
+# vcpkg_extract_source_archive_ex
+
+Extract an archive into the source directory. Replaces [`vcpkg_extract_source_archive`](vcpkg_extract_source_archive.md).
+
+## Usage
+```cmake
+vcpkg_extract_source_archive_ex(
+    OUT_SOURCE_PATH <SOURCE_PATH>
+    ARCHIVE <${ARCHIVE}>
+    [REF <1.0.0>]
+    [NO_REMOVE_ONE_LEVEL]
+    [WORKING_DIRECTORY <${CURRENT_BUILDTREES_DIR}/src>]
+    [PATCHES <a.patch>...]
+)
+```
+## Parameters
+### OUT_SOURCE_PATH
+Specifies the out-variable that will contain the extracted location.
+
+This should be set to `SOURCE_PATH` by convention.
+
+### ARCHIVE
+The full path to the archive to be extracted.
+
+This is usually obtained from calling [`vcpkg_download_distfile`](vcpkg_download_distfile.md).
+
+### REF
+A friendly name that will be used instead of the filename of the archive.
+
+By convention, this is set to the version number or tag fetched
+
+### WORKING_DIRECTORY
+If specified, the archive will be extracted into the working directory instead of `${CURRENT_BUILDTREES_DIR}/src/`.
+
+Note that the archive will still be extracted into a subfolder underneath that directory (`${WORKING_DIRECTORY}/${REF}-${HASH}/`).
+
+### PATCHES
+A list of patches to be applied to the extracted sources.
+
+Relative paths are based on the port directory.
+
+### NO_REMOVE_ONE_LEVEL
+Specifies that the default removal of the top level folder should not occur.
+
+## Examples
+
+* [bzip2](https://github.com/Microsoft/vcpkg/blob/master/ports/bzip2/portfile.cmake)
+* [sqlite3](https://github.com/Microsoft/vcpkg/blob/master/ports/sqlite3/portfile.cmake)
+* [cairo](https://github.com/Microsoft/vcpkg/blob/master/ports/cairo/portfile.cmake)
+
+## Source
+[scripts/cmake/vcpkg_extract_source_archive_ex.cmake](https://github.com/Microsoft/vcpkg/blob/master/scripts/cmake/vcpkg_extract_source_archive_ex.cmake)