build: introduce variable DEPS_IGNORE_SHA for skipping dependency hash check

This will reduce friction as developers no longer need to provide a hash
when testing out different commits.

To skip the hash check, set `DEPS_IGNORE_SHA` to `TRUE` in
`cmake.deps/CMakeLists.txt`.

cmake.deps/CMakeLists.txt

@@ -17,6 +17,36 @@ include(Deps)
 include(Find)
 include(Util)
 
+#-------------------------------------------------------------------------------
+# User settings
+#-------------------------------------------------------------------------------
+
+set(DEPS_IGNORE_SHA FALSE)
+
+# Options
+option(USE_BUNDLED "Use bundled dependencies." ON)
+
+option(USE_BUNDLED_LIBUV "Use the bundled libuv." ${USE_BUNDLED})
+option(USE_BUNDLED_LIBVTERM "Use the bundled libvterm." ${USE_BUNDLED})
+option(USE_BUNDLED_LPEG "Use the bundled lpeg." ${USE_BUNDLED})
+# PUC Lua is only used for tests, unless explicitly requested.
+option(USE_BUNDLED_LUA "Use the bundled version of lua." OFF)
+option(USE_BUNDLED_LUAJIT "Use the bundled version of luajit." ${USE_BUNDLED})
+option(USE_BUNDLED_LUV "Use the bundled version of luv." ${USE_BUNDLED})
+option(USE_BUNDLED_MSGPACK "Use the bundled msgpack." ${USE_BUNDLED})
+option(USE_BUNDLED_TS "Use the bundled treesitter runtime." ${USE_BUNDLED})
+option(USE_BUNDLED_TS_PARSERS "Use the bundled treesitter parsers." ${USE_BUNDLED})
+option(USE_BUNDLED_UNIBILIUM "Use the bundled unibilium." ${USE_BUNDLED})
+if(USE_BUNDLED AND MSVC)
+  option(USE_BUNDLED_GETTEXT "Use the bundled version of gettext." ON)
+  option(USE_BUNDLED_LIBICONV "Use the bundled version of libiconv." ON)
+else()
+  option(USE_BUNDLED_GETTEXT "Use the bundled version of gettext." OFF)
+  option(USE_BUNDLED_LIBICONV "Use the bundled version of libiconv." OFF)
+endif()
+
+option(USE_EXISTING_SRC_DIR "Skip download of deps sources in case of existing source directory." OFF)
+
 set_default_buildtype(Release)
 get_property(isMultiConfig GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
 if(NOT isMultiConfig)
@@ -32,30 +62,6 @@ endif()
 
 set(DEPS_INCLUDE_FLAGS "-I${DEPS_INSTALL_DIR}/include -I${DEPS_INSTALL_DIR}/include/luajit-2.1")
 
-option(USE_BUNDLED "Use bundled dependencies." ON)
-
-option(USE_BUNDLED_LIBUV "Use the bundled libuv." ${USE_BUNDLED})
-option(USE_BUNDLED_LIBVTERM "Use the bundled libvterm." ${USE_BUNDLED})
-option(USE_BUNDLED_LPEG "Use the bundled lpeg." ${USE_BUNDLED})
-# PUC Lua is only used for tests, unless explicitly requested.
-option(USE_BUNDLED_LUA "Use the bundled version of lua." OFF)
-option(USE_BUNDLED_LUAJIT "Use the bundled version of luajit." ${USE_BUNDLED})
-option(USE_BUNDLED_LUV "Use the bundled version of luv." ${USE_BUNDLED})
-option(USE_BUNDLED_MSGPACK "Use the bundled msgpack." ${USE_BUNDLED})
-option(USE_BUNDLED_TS "Use the bundled treesitter runtime." ${USE_BUNDLED})
-option(USE_BUNDLED_TS_PARSERS "Use the bundled treesitter parsers." ${USE_BUNDLED})
-option(USE_BUNDLED_UNIBILIUM "Use the bundled unibilium." ${USE_BUNDLED})
-
-if(USE_BUNDLED AND MSVC)
-  option(USE_BUNDLED_GETTEXT "Use the bundled version of gettext." ON)
-  option(USE_BUNDLED_LIBICONV "Use the bundled version of libiconv." ON)
-else()
-  option(USE_BUNDLED_GETTEXT "Use the bundled version of gettext." OFF)
-  option(USE_BUNDLED_LIBICONV "Use the bundled version of libiconv." OFF)
-endif()
-
-option(USE_EXISTING_SRC_DIR "Skip download of deps sources in case of existing source directory." OFF)
-
 # If the macOS deployment target is not set manually (via $MACOSX_DEPLOYMENT_TARGET),
 # fall back to local system version. Needs to be done here and in top-level CMakeLists.txt.
 if(APPLE)

cmake.deps/cmake/BuildGettext.cmake

@@ -1,7 +1,8 @@
 if(MSVC)
+  get_sha(gettext ${DEPS_IGNORE_SHA})
   ExternalProject_Add(gettext
     URL ${GETTEXT_URL}
-    URL_HASH SHA256=${GETTEXT_SHA256}
+    ${EXTERNALPROJECT_URL_HASH}
     DOWNLOAD_DIR ${DEPS_DOWNLOAD_DIR}/gettext
     PATCH_COMMAND ${CMAKE_COMMAND} -E copy
       ${CMAKE_CURRENT_SOURCE_DIR}/cmake/GettextCMakeLists.txt

cmake.deps/cmake/BuildLibiconv.cmake

@@ -1,7 +1,8 @@
 if(MSVC)
+  get_sha(libiconv ${DEPS_IGNORE_SHA})
   ExternalProject_Add(libiconv
     URL ${LIBICONV_URL}
-    URL_HASH SHA256=${LIBICONV_SHA256}
+    ${EXTERNALPROJECT_URL_HASH}
     DOWNLOAD_DIR ${DEPS_DOWNLOAD_DIR}/libiconv
     PATCH_COMMAND ${CMAKE_COMMAND} -E copy
       ${CMAKE_CURRENT_SOURCE_DIR}/cmake/LibiconvCMakeLists.txt

cmake.deps/cmake/BuildLibuv.cmake

@@ -1,6 +1,7 @@
+get_sha(libuv ${DEPS_IGNORE_SHA})
 ExternalProject_Add(libuv
   URL ${LIBUV_URL}
-  URL_HASH SHA256=${LIBUV_SHA256}
+  ${EXTERNALPROJECT_URL_HASH}
   DOWNLOAD_DIR ${DEPS_DOWNLOAD_DIR}/libuv
   CMAKE_ARGS ${DEPS_CMAKE_ARGS}
     -D CMAKE_INSTALL_LIBDIR=lib

cmake.deps/cmake/BuildLibvterm.cmake

@@ -1,6 +1,7 @@
+get_sha(libvterm ${DEPS_IGNORE_SHA})
 ExternalProject_Add(libvterm
   URL ${LIBVTERM_URL}
-  URL_HASH SHA256=${LIBVTERM_SHA256}
+  ${EXTERNALPROJECT_URL_HASH}
   DOWNLOAD_DIR ${DEPS_DOWNLOAD_DIR}/libvterm
   PATCH_COMMAND ${CMAKE_COMMAND} -E copy
     ${CMAKE_CURRENT_SOURCE_DIR}/cmake/LibvtermCMakeLists.txt

cmake.deps/cmake/BuildLpeg.cmake

@@ -1,6 +1,7 @@
+get_sha(lpeg ${DEPS_IGNORE_SHA})
 ExternalProject_Add(lpeg
   URL ${LPEG_URL}
-  URL_HASH SHA256=${LPEG_SHA256}
+  ${EXTERNALPROJECT_URL_HASH}
   DOWNLOAD_DIR ${DEPS_DOWNLOAD_DIR}/lpeg
   PATCH_COMMAND ${CMAKE_COMMAND} -E copy
     ${CMAKE_CURRENT_SOURCE_DIR}/cmake/LpegCMakeLists.txt

cmake.deps/cmake/BuildLua.cmake

@@ -40,9 +40,10 @@ set(LUA_CONFIGURE_COMMAND
       -i ${DEPS_BUILD_DIR}/src/lua/src/luaconf.h)
 set(LUA_INSTALL_TOP_ARG "INSTALL_TOP=${DEPS_INSTALL_DIR}")
 
+get_sha(lua ${DEPS_IGNORE_SHA})
 ExternalProject_Add(lua
   URL ${LUA_URL}
-  URL_HASH SHA256=${LUA_SHA256}
+  ${EXTERNALPROJECT_URL_HASH}
   DOWNLOAD_DIR ${DEPS_DOWNLOAD_DIR}/lua
   CONFIGURE_COMMAND "${LUA_CONFIGURE_COMMAND}"
   BUILD_IN_SOURCE 1

cmake.deps/cmake/BuildLuajit.cmake

@@ -11,9 +11,10 @@ function(BuildLuajit)
     set(_luajit_TARGET "luajit")
   endif()
 
+  get_sha(luajit ${DEPS_IGNORE_SHA})
   ExternalProject_Add(${_luajit_TARGET}
     URL ${LUAJIT_URL}
-    URL_HASH SHA256=${LUAJIT_SHA256}
+    ${EXTERNALPROJECT_URL_HASH}
     DOWNLOAD_DIR ${DEPS_DOWNLOAD_DIR}/${_luajit_TARGET}
     CONFIGURE_COMMAND "${_luajit_CONFIGURE_COMMAND}"
     BUILD_IN_SOURCE 1

cmake.deps/cmake/BuildLuv.cmake

@@ -1,6 +1,6 @@
 set(LUV_CMAKE_ARGS
   -D LUA_BUILD_TYPE=System
-  -D LUA_COMPAT53_DIR=${DEPS_BUILD_DIR}/src/lua-compat-5.3
+  -D LUA_COMPAT53_DIR=${DEPS_BUILD_DIR}/src/lua_compat53
   -D WITH_SHARED_LIBUV=ON
   -D BUILD_STATIC_LIBS=ON
   -D BUILD_MODULE=OFF)
@@ -17,19 +17,21 @@ if(CMAKE_GENERATOR MATCHES "Unix Makefiles" AND
     list(APPEND LUV_CMAKE_ARGS -D CMAKE_MAKE_PROGRAM=gmake)
 endif()
 
-ExternalProject_Add(lua-compat-5.3
+get_sha(lua_compat53 ${DEPS_IGNORE_SHA})
+ExternalProject_Add(lua_compat53
   URL ${LUA_COMPAT53_URL}
-  URL_HASH SHA256=${LUA_COMPAT53_SHA256}
+  ${EXTERNALPROJECT_URL_HASH}
-  DOWNLOAD_DIR ${DEPS_DOWNLOAD_DIR}/lua-compat-5.3
+  DOWNLOAD_DIR ${DEPS_DOWNLOAD_DIR}/lua_compat53
   CONFIGURE_COMMAND ""
   BUILD_COMMAND ""
   INSTALL_COMMAND ""
   ${EXTERNALPROJECT_OPTIONS})
 
+get_sha(luv ${DEPS_IGNORE_SHA})
 ExternalProject_Add(luv
-  DEPENDS lua-compat-5.3
+  DEPENDS lua_compat53
   URL ${LUV_URL}
-  URL_HASH SHA256=${LUV_SHA256}
+  ${EXTERNALPROJECT_URL_HASH}
   DOWNLOAD_DIR ${DEPS_DOWNLOAD_DIR}/luv
   SOURCE_DIR ${DEPS_BUILD_DIR}/src/luv
   CMAKE_ARGS ${DEPS_CMAKE_ARGS} ${LUV_CMAKE_ARGS}

cmake.deps/cmake/BuildMsgpack.cmake

@@ -1,6 +1,7 @@
+get_sha(msgpack ${DEPS_IGNORE_SHA})
 ExternalProject_Add(msgpack
   URL ${MSGPACK_URL}
-  URL_HASH SHA256=${MSGPACK_SHA256}
+  ${EXTERNALPROJECT_URL_HASH}
   DOWNLOAD_DIR ${DEPS_DOWNLOAD_DIR}/msgpack
   CMAKE_ARGS ${DEPS_CMAKE_ARGS}
     -D MSGPACK_BUILD_TESTS=OFF

cmake.deps/cmake/BuildTreesitter.cmake

@@ -1,6 +1,7 @@
+get_sha(treesitter ${DEPS_IGNORE_SHA})
 ExternalProject_Add(treesitter
   URL ${TREESITTER_URL}
-  URL_HASH SHA256=${TREESITTER_SHA256}
+  ${EXTERNALPROJECT_URL_HASH}
   DOWNLOAD_DIR ${DEPS_DOWNLOAD_DIR}/treesitter
   PATCH_COMMAND ${CMAKE_COMMAND} -E copy
     ${CMAKE_CURRENT_SOURCE_DIR}/cmake/TreesitterCMakeLists.txt

cmake.deps/cmake/BuildTreesitterParsers.cmake

@@ -18,12 +18,11 @@ function(BuildTSParser)
   set(NAME treesitter-${TS_LANG})
   string(TOUPPER "TREESITTER_${TS_LANG}_URL" URL_VARNAME)
   set(URL ${${URL_VARNAME}})
-  string(TOUPPER "TREESITTER_${TS_LANG}_SHA256" HASH_VARNAME)
-  set(HASH ${${HASH_VARNAME}})
 
+  get_sha(treesitter_${TS_LANG} ${DEPS_IGNORE_SHA})
   ExternalProject_Add(${NAME}
     URL ${URL}
-    URL_HASH SHA256=${HASH}
+    ${EXTERNALPROJECT_URL_HASH}
     DOWNLOAD_DIR ${DEPS_DOWNLOAD_DIR}/${NAME}
     PATCH_COMMAND ${CMAKE_COMMAND} -E copy
       ${CMAKE_CURRENT_SOURCE_DIR}/cmake/${TS_CMAKE_FILE}

cmake.deps/cmake/BuildUnibilium.cmake

@@ -1,6 +1,7 @@
+get_sha(unibilium ${DEPS_IGNORE_SHA})
 ExternalProject_Add(unibilium
   URL ${UNIBILIUM_URL}
-  URL_HASH SHA256=${UNIBILIUM_SHA256}
+  ${EXTERNALPROJECT_URL_HASH}
   DOWNLOAD_DIR ${DEPS_DOWNLOAD_DIR}/unibilium
   CMAKE_ARGS ${DEPS_CMAKE_ARGS}
   CMAKE_CACHE_ARGS ${DEPS_CMAKE_CACHE_ARGS}

cmake/Deps.cmake

@@ -54,3 +54,11 @@ if(CMAKE_OSX_ARCHITECTURES)
     set(DEPS_C_COMPILER "${DEPS_C_COMPILER} -arch ${ARCH}")
   endforeach()
 endif()
+
+function(get_sha name ignore)
+  unset(EXTERNALPROJECT_URL_HASH)
+  if(NOT ${ignore})
+    string(TOUPPER ${name} name_allcaps)
+    set(EXTERNALPROJECT_URL_HASH URL_HASH SHA256=${${name_allcaps}_SHA256} PARENT_SCOPE)
+  endif()
+endfunction()