DEPS: use relative paths and hooks and remove dawn_root

Change-Id: Ica3913481d4f3552507105ff581474efa51ae3b6

DEPS

@@ -1,86 +1,88 @@
+use_relative_paths = True
+use_relative_hooks = True
+
 vars = {
   'chromium_git': 'https://chromium.googlesource.com',
   'github_git': 'https://github.com',
 
-  'dawn_root': '.',
   'dawn_standalone': True,
 }
 
 deps = {
   # Dependencies required to use GN/Clang in standalone
-  '{dawn_root}/build': {
+  'build': {
     'url': '{chromium_git}/chromium/src/build@ddcfe1a1c6428569cb8c900735be3567358bc6ee',
     'condition': 'dawn_standalone',
   },
-  '{dawn_root}/buildtools': {
+  'buildtools': {
     'url': '{chromium_git}/chromium/buildtools@9a90d9aaadeb5e04327ed05775f45132e4b3523f',
     'condition': 'dawn_standalone',
   },
-  '{dawn_root}/tools/clang': {
+  'tools/clang': {
     'url': '{chromium_git}/chromium/src/tools/clang@d299f069f8d1dca337354ced634df7a78e4512f7',
     'condition': 'dawn_standalone',
   },
-  '{dawn_root}/third_party/binutils': {
+  'third_party/binutils': {
     'url': '{chromium_git}/chromium/src/third_party/binutils@4110e09197116a9c5dedd4c827bbe95c224f87ac',
     'condition': 'dawn_standalone',
   },
 
   # Testing, GTest and GMock
-  '{dawn_root}/testing': {
+  'testing': {
     'url': '{chromium_git}/chromium/src/testing@b07830f6905ce9e33034ad14820bc0a58b6e9e41',
     'condition': 'dawn_standalone',
   },
-  '{dawn_root}/third_party/googletest': {
+  'third_party/googletest': {
     'url': '{chromium_git}/external/github.com/google/googletest@98a0d007d7092b72eea0e501bb9ad17908a1a036',
     'condition': 'dawn_standalone',
   },
 
   # Jinja2 and MarkupSafe for the code generator
-  '{dawn_root}/third_party/jinja2': {
+  'third_party/jinja2': {
     'url': '{chromium_git}/chromium/src/third_party/jinja2@b41863e42637544c2941b574c7877d3e1f663e25',
     'condition': 'dawn_standalone',
   },
-  '{dawn_root}/third_party/markupsafe': {
+  'third_party/markupsafe': {
     'url': '{chromium_git}/chromium/src/third_party/markupsafe@8f45f5cfa0009d2a70589bcda0349b8cb2b72783',
     'condition': 'dawn_standalone',
   },
 
   # SPIRV-Cross
-  '{dawn_root}/third_party/spirv-cross': {
+  'third_party/spirv-cross': {
     'url': '{chromium_git}/external/github.com/KhronosGroup/SPIRV-Cross@a7697446b12666da353bb2bdafa792d988fb268c',
     'condition': 'dawn_standalone',
   },
 
   # SPIRV compiler dependencies: SPIRV-Tools, SPIRV-headers, glslang and shaderc
-  '{dawn_root}/third_party/SPIRV-Tools': {
+  'third_party/SPIRV-Tools': {
     'url': '{chromium_git}/external/github.com/KhronosGroup/SPIRV-Tools@21bcb9d8b9dba1c7b7e1d0a8f5b6ad7ea26cc5b6',
     'condition': 'dawn_standalone',
   },
-  '{dawn_root}/third_party/spirv-headers': {
+  'third_party/spirv-headers': {
     'url': '{chromium_git}/external/github.com/KhronosGroup/SPIRV-Headers@ff684ffc6a35d2a58f0f63108877d0064ea33feb',
     'condition': 'dawn_standalone',
   },
-  '{dawn_root}/third_party/glslang': {
+  'third_party/glslang': {
     'url': '{chromium_git}/external/github.com/google/glslang@29619b2312f7bc862221749f3f4d37c3e6a0dee2',
     'condition': 'dawn_standalone',
   },
-  '{dawn_root}/third_party/shaderc': {
+  'third_party/shaderc': {
     'url': '{chromium_git}/external/github.com/google/shaderc@30af9f9899aefd018669e81a5b8e605d14d40431',
     'condition': 'dawn_standalone',
   },
 
   # GLFW for tests and samples
-  '{dawn_root}/third_party/glfw': {
+  'third_party/glfw': {
     'url': '{chromium_git}/external/github.com/glfw/glfw@096efdf798896cff80a0b2db08d7398b703406fe',
     'condition': 'dawn_standalone',
   },
 
   # Dependencies for samples: stb and GLM
-  '{dawn_root}/third_party/stb': {
+  'third_party/stb': {
     'url': '{github_git}/nothings/stb.git@c7110588a4d24c4bb5155c184fbb77dd90b3116e',
     'condition': 'dawn_standalone',
   },
-  '{dawn_root}/third_party/glm': {
+  'third_party/glm': {
     'url': '{github_git}/g-truc/glm.git@06f084063fd6d9aa2ef6904517650700ae47b63d',
     'condition': 'dawn_standalone',
   },
@@ -97,7 +99,7 @@ hooks = [
                 '--platform=win32',
                 '--no_auth',
                 '--bucket', 'chromium-clang-format',
-                '-s', '{dawn_root}/buildtools/win/clang-format.exe.sha1',
+                '-s', 'buildtools/win/clang-format.exe.sha1',
     ],
   },
   {
@@ -109,7 +111,7 @@ hooks = [
                 '--platform=darwin',
                 '--no_auth',
                 '--bucket', 'chromium-clang-format',
-                '-s', '{dawn_root}/buildtools/mac/clang-format.sha1',
+                '-s', 'buildtools/mac/clang-format.sha1',
     ],
   },
   {
@@ -121,7 +123,7 @@ hooks = [
                 '--platform=linux*',
                 '--no_auth',
                 '--bucket', 'chromium-clang-format',
-                '-s', '{dawn_root}/buildtools/linux64/clang-format.sha1',
+                '-s', 'buildtools/linux64/clang-format.sha1',
     ],
   },
 
@@ -135,7 +137,7 @@ hooks = [
                 '--platform=win32',
                 '--no_auth',
                 '--bucket', 'chromium-gn',
-                '-s', '{dawn_root}/buildtools/win/gn.exe.sha1',
+                '-s', 'buildtools/win/gn.exe.sha1',
     ],
   },
   {
@@ -147,7 +149,7 @@ hooks = [
                 '--platform=darwin',
                 '--no_auth',
                 '--bucket', 'chromium-gn',
-                '-s', '{dawn_root}/buildtools/mac/gn.sha1',
+                '-s', 'buildtools/mac/gn.sha1',
     ],
   },
   {
@@ -159,7 +161,7 @@ hooks = [
                 '--platform=linux*',
                 '--no_auth',
                 '--bucket', 'chromium-gn',
-                '-s', '{dawn_root}/buildtools/linux64/gn.sha1',
+                '-s', 'buildtools/linux64/gn.sha1',
     ],
   },
 
@@ -168,14 +170,14 @@ hooks = [
     'name': 'sysroot_x86',
     'pattern': '.',
     'condition': 'checkout_linux and ((checkout_x86 or checkout_x64) and dawn_standalone)',
-    'action': ['python', '{dawn_root}/build/linux/sysroot_scripts/install-sysroot.py',
+    'action': ['python', 'build/linux/sysroot_scripts/install-sysroot.py',
                '--arch=x86'],
   },
   {
     'name': 'sysroot_x64',
     'pattern': '.',
     'condition': 'checkout_linux and (checkout_x64 and dawn_standalone)',
-    'action': ['python', '{dawn_root}/build/linux/sysroot_scripts/install-sysroot.py',
+    'action': ['python', 'build/linux/sysroot_scripts/install-sysroot.py',
                '--arch=x64'],
   },
   {
@@ -183,13 +185,13 @@ hooks = [
     'name': 'win_toolchain',
     'pattern': '.',
     'condition': 'checkout_win and dawn_standalone',
-    'action': ['python', '{dawn_root}/build/vs_toolchain.py', 'update', '--force'],
+    'action': ['python', 'build/vs_toolchain.py', 'update', '--force'],
   },
   {
     # Note: On Win, this should run after win_toolchain, as it may use it.
     'name': 'clang',
     'pattern': '.',
-    'action': ['python', '{dawn_root}/tools/clang/scripts/update.py'],
+    'action': ['python', 'tools/clang/scripts/update.py'],
     'condition': 'dawn_standalone',
   },
   {
@@ -201,7 +203,7 @@ hooks = [
                 '--no_resume',
                 '--no_auth',
                 '--bucket', 'chromium-browser-clang/rc',
-                '-s', '{dawn_root}/build/toolchain/win/rc/win/rc.exe.sha1',
+                '-s', 'build/toolchain/win/rc/win/rc.exe.sha1',
     ],
   },
   # Pull binutils for linux hermetic builds
@@ -211,12 +213,12 @@ hooks = [
     'condition': 'host_os == "linux"',
     'action': [
         'python',
-        '{dawn_root}/third_party/binutils/download.py',
+        'third_party/binutils/download.py',
     ],
   },
 ]
 
 recursedeps = [
   # buildtools provides clang_format, libc++, and libc++abi
-  '{dawn_root}/buildtools',
+  'buildtools',
 ]