3 :: Copyright 2020 The Pigweed Authors
5 :: Licensed under the Apache License, Version 2.0 (the "License"); you may not
6 :: use this file except in compliance with the License. You may obtain a copy of
9 :: https://www.apache.org/licenses/LICENSE-2.0
11 :: Unless required by applicable law or agreed to in writing, software
12 :: distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
13 :: WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
14 :: License for the specific language governing permissions and limitations under
17 :; echo "ERROR: Attempting to run Windows .bat from a Unix/POSIX shell!"
18 :; echo "Instead, run the following command."
20 :; echo " source ./bootstrap.sh"
24 :: Pigweed Windows environment setup.
26 :: WARNING: Multi-line "if" statements can be dangerous!
32 :: set my_var = %ERRORLEVEL%
33 :: call final_script --flag %my_var%
35 :: Batch evaluates these expressions in a way that will produce unexpected
36 :: behavior. It appears that when each line is executed, it does not affect
37 :: local context until the entire expression is complete. In this example,
38 :: ERRORLEVEL does not reflect `call cmd_a`, but whatever residual state was
39 :: present from `do_foo`. Similarly, in the call to `final_script`, `my_var`
40 :: will NOT be valid as the variable `set` doesn't apply until the entire `if`
41 :: expression completes.
42 :: This script only uses multi-line if statements to `goto` after an operation.
44 :: If PW_CHECKOUT_ROOT is set, use it. Users should not set this variable.
45 :: It's used because when one batch script invokes another the Powershell magic
46 :: below doesn't work. To reinforce that users should not be using
47 :: PW_CHECKOUT_ROOT, it is cleared here after it is used, and other pw tools
48 :: will complain if they see that variable set.
49 :: TODO(mohrr) find out a way to do this without PW_CHECKOUT_ROOT.
51 :: ~dp0 is the batchism for the directory in which a .bat file resides.
52 if "%PW_CHECKOUT_ROOT%"=="" ^
53 set "PW_ROOT=%~dp0." &^
56 :: Since PW_CHECKOUT_ROOT is set, use it.
57 set "PW_ROOT=%PW_CHECKOUT_ROOT%"
58 set "PW_CHECKOUT_ROOT="
61 :: Allow forcing a specific Python version through the environment variable
62 :: PW_BOOTSTRAP_PYTHON. Otherwise, use the system Python if one exists.
63 if not "%PW_BOOTSTRAP_PYTHON%" == "" (
64 set "python=%PW_BOOTSTRAP_PYTHON%"
65 goto find_environment_root
68 :: Detect python installation.
69 where python >NUL 2>&1
70 if %ERRORLEVEL% EQU 0 (
72 goto find_environment_root
76 echo Error: no system Python present
78 echo Pigweed's bootstrap process requires a local system Python.
79 echo Please install Python on your system, add it to your PATH
80 echo and re-try running bootstrap.
84 :find_environment_root
85 :: PW_ENVIRONMENT_ROOT allows developers to specify where the environment should
86 :: be installed. _PW_ACTUAL_ENVIRONMENT_ROOT is where Pigweed keeps that
87 :: information. This separation allows Pigweed to assume PW_ENVIRONMENT_ROOT
88 :: came from the developer and not from a previous bootstrap possibly from
91 :: Not prefixing environment with "." since that doesn't hide it anyway.
92 if "%PW_ENVIRONMENT_ROOT%"=="" (
93 set "_PW_ACTUAL_ENVIRONMENT_ROOT=%PW_ROOT%\environment"
95 set "_PW_ACTUAL_ENVIRONMENT_ROOT=%PW_ENVIRONMENT_ROOT%"
98 set "shell_file=%_PW_ACTUAL_ENVIRONMENT_ROOT%\activate.bat"
100 set "_pw_start_script=%PW_ROOT%\pw_env_setup\py\pw_env_setup\windows_env_start.py"
102 if "%PW_PROJECT_ROOT%"=="" set "PW_PROJECT_ROOT=%PW_ROOT%"
104 :: If PW_SKIP_BOOTSTRAP is set, only run the activation stage instead of the
105 :: complete env_setup.
106 if not "%PW_SKIP_BOOTSTRAP%" == "" goto skip_bootstrap
108 :: Without the trailing slash in %PW_ROOT%/, batch combines that token with
109 :: the --shell-file argument.
110 call "%python%" "%PW_ROOT%\pw_env_setup\py\pw_env_setup\env_setup.py" ^
111 --pw-root "%PW_ROOT%" ^
112 --shell-file "%shell_file%" ^
113 --install-dir "%_PW_ACTUAL_ENVIRONMENT_ROOT%" ^
114 --use-pigweed-defaults ^
115 --virtualenv-gn-target "%PW_ROOT%#:target_support_packages.install" ^
116 --project-root "%PW_PROJECT_ROOT%"
120 if exist "%shell_file%" (
121 call "%python%" "%_pw_start_script%"
123 call "%python%" "%_pw_start_script%" --no-shell-file