meson-scripts: Absorb the wrappers directory

The wrappers directory duplicated meson-scripts, which is what the
README tells projects to copy from. Fold the command -v and missing
submodule changes into meson-scripts and drop the duplicate.

meson-scripts/Makefile

@@ -1,4 +1,4 @@
-PYTHON ?= $(shell which python3 >/dev/null && echo python3 || echo python)
+PYTHON ?= $(shell command -v python3 >/dev/null && echo python3 || echo python)
 
 all $(MAKECMDGOALS):
 	@$(PYTHON) \
@@ -8,7 +8,7 @@ all $(MAKECMDGOALS):
 		$(MAKECMDGOALS)
 
 git-submodules:
-	@if [ ! -f releng/meson/meson.py ]; then \
+	@if [ ! -f releng/meson/meson.py ] || git submodule status 2>/dev/null | grep -q '^-'; then \
 		git submodule update --init --recursive --depth 1; \
 	fi
 -include git-submodules

meson-scripts/configure

@@ -1,12 +1,12 @@
 #!/bin/sh
 
-[ -z "$PYTHON" ] && PYTHON=$(which python3 >/dev/null && echo python3 || echo python)
+[ -z "$PYTHON" ] && PYTHON=$(command -v python3 >/dev/null && echo python3 || echo python)
 
 cd $(dirname $0)
 
 srcroot=$(pwd)
 
-if [ ! -f releng/meson/meson.py ]; then
+if [ ! -f releng/meson/meson.py ] || git submodule status 2>/dev/null | grep -q '^-'; then
   git submodule update --init --recursive --depth 1 || exit $?
 fi
 

wrappers/BSDmakefile

@@ -1,6 +0,0 @@
-all: .DEFAULT
-
-.DEFAULT:
-	@gmake ${.MAKEFLAGS} ${.TARGETS}
-
-.PHONY: all

wrappers/Makefile

@@ -1,16 +0,0 @@
-PYTHON ?= $(shell command -v python3 >/dev/null && echo python3 || echo python)
-
-all $(MAKECMDGOALS):
-	@$(PYTHON) \
-		-c "import sys; sys.path.insert(0, sys.argv[1]); from releng.meson_make import main; main()" \
-		"$(shell pwd)" \
-		./build \
-		$(MAKECMDGOALS)
-
-git-submodules:
-	@if [ ! -f releng/meson/meson.py ] || git submodule status 2>/dev/null | grep -q '^-'; then \
-		git submodule update --init --recursive --depth 1; \
-	fi
--include git-submodules
-
-.PHONY: all $(MAKECMDGOALS)

wrappers/configure

@@ -1,18 +0,0 @@
-#!/bin/sh
-
-[ -z "$PYTHON" ] && PYTHON=$(command -v python3 >/dev/null && echo python3 || echo python)
-
-cd $(dirname $0)
-
-srcroot=$(pwd)
-
-if [ ! -f releng/meson/meson.py ] || git submodule status 2>/dev/null | grep -q '^-'; then
-  git submodule update --init --recursive --depth 1 || exit $?
-fi
-
-cd - >/dev/null
-
-exec "$PYTHON" \
-    -c "import sys; sys.path.insert(0, sys.argv[1]); from releng.meson_configure import main; main()" \
-    "$srcroot" \
-    "$@"

wrappers/configure.bat

@@ -1,22 +0,0 @@
-@setlocal
-@echo off
-rem:: Based on: https://github.com/microsoft/terminal/issues/217#issuecomment-737594785
-goto :_start_
-
-:set_real_dp0
-set dp0=%~dp0
-set "dp0=%dp0:~0,-1%"
-goto :eof
-
-:_start_
-call :set_real_dp0
-
-if not exist "%dp0%\releng\meson\meson.py" (
-  pushd "%dp0%" & git submodule update --init --recursive --depth 1 & popd
-  if %errorlevel% neq 0 exit /b %errorlevel%
-)
-
-endlocal & goto #_undefined_# 2>nul || title %COMSPEC% & python ^
-    -c "import sys; sys.path.insert(0, sys.argv[1]); from releng.meson_configure import main; main()" ^
-    "%dp0%" ^
-    %*

wrappers/make.bat

@@ -1,23 +0,0 @@
-@setlocal
-@echo off
-rem:: Based on: https://github.com/microsoft/terminal/issues/217#issuecomment-737594785
-goto :_start_
-
-:set_real_dp0
-set dp0=%~dp0
-set "dp0=%dp0:~0,-1%"
-goto :eof
-
-:_start_
-call :set_real_dp0
-
-if not exist "%dp0%\releng\meson\meson.py" (
-  pushd "%dp0%" & git submodule update --init --recursive --depth 1 & popd
-  if %errorlevel% neq 0 exit /b %errorlevel%
-)
-
-endlocal & goto #_undefined_# 2>nul || title %COMSPEC% & python ^
-    -c "import sys; sys.path.insert(0, sys.argv[1]); from releng.meson_make import main; main()" ^
-    "%dp0%" ^
-    .\build ^
-    %*