@echo off call "%~dp0lib_base.cmd" call "%%~dp0lib_console.cmd" set lib_git=call "%~dp0lib_git.cmd" if "%~1" == "/h" ( %lib_base% help "%~0" ) else if "%1" neq "" ( call :%* ) exit /b :read_version :::=============================================================================== :::read_version - Get the git.exe verion :::. :::include: :::. ::: call "lib_git.cmd" :::. :::usage: :::. ::: %lib_git% read_version "[dir_path]" :::. :::required: :::. ::: [GIT SCOPE] USER | VENDORED ::: [GIT PATH] Fully qualified path to the Git command root. :::. :::output: :::. ::: GIT_VERSION_[GIT SCOPE] Env variable containing Git semantic version string :::------------------------------------------------------------------------------- :: clear the variables set GIT_VERSION_%~1= :: set the executable path set "git_executable=%~2\git.exe" %lib_console% debug_output :read_version "Env Var - git_executable=%git_executable%" :: check if the executable actually exists if not exist "%git_executable%" ( %lib_console% debug_output :read_version "%git_executable% does not exist." exit /b -255 ) :: get the git version in the provided directory "%git_executable%" --version > "%temp%\git_version.txt" setlocal enabledelayedexpansion for /F "tokens=1,2,3 usebackq" %%A in (`type "%temp%\git_version.txt" 2^>nul`) do ( if /i "%%A %%B" == "git version" ( set "GIT_VERSION=%%C" ) else ( echo "'git --version' returned an inproper version string!" pause exit /b ) ) endlocal & set "GIT_VERSION_%~1=%GIT_VERSION%" & %lib_console% debug_output :read_version "Env Var - GIT_VERSION_%~1=%GIT_VERSION%" exit /b :parse_version :::=============================================================================== :::parse_version - Parse semantic version string 'x.x.x.x' and return the pieces :::. :::include: :::. ::: call "$0" :::. :::usage: :::. ::: %lib_git% parse_version "[VERSION]" :::. :::required: :::. ::: [SCOPE] USER | VENDORED ::: [VERSION] Semantic version String. Ex: 1.2.3.4 :::. :::output: :::. ::: [SCOPE]_MAJOR Scoped Major version. ::: [SCOPE]_MINOR Scoped Minor version. ::: [SCOPE]_PATCH Scoped Patch version. ::: [SCOPE]_BUILD Scoped Build version. :::------------------------------------------------------------------------------- :: process a `x.x.x.xxxx.x` formatted string %lib_console% debug_output :parse_version "ARGV[1]=%~1, ARGV[2]=%~2" setlocal enabledelayedexpansion for /F "tokens=1-3* delims=.,-" %%A in ("%2") do ( set "%~1_MAJOR=%%A" set "%~1_MINOR=%%B" set "%~1_PATCH=%%C" set "%~1_BUILD=%%D" ) REM endlocal & set "%~1_MAJOR=!%~1_MAJOR!" & set "%~1_MINOR=!%~1_MINOR!" & set "%~1_PATCH=!%~1_PATCH!" & set "%~1_BUILD=!%~1_BUILD!" if "%~1" == "VENDORED" ( endlocal & set "%~1_MAJOR=%VENDORED_MAJOR%" & set "%~1_MINOR=%VENDORED_MINOR%" & set "%~1_PATCH=%VENDORED_PATCH%" & set "%~1_BUILD=%VENDORED_BUILD%" ) else ( endlocal & set "%~1_MAJOR=%USER_MAJOR%" & set "%~1_MINOR=%USER_MINOR%" & set "%~1_PATCH=%USER_PATCH%" & set "%~1_BUILD=%USER_BUILD%" ) exit /b :endlocal_set_git_version :validate_version :::=============================================================================== :::validate_version - Validate semantic version string 'x.x.x.x'. :::. :::include: :::. ::: call "$0" :::. :::usage: :::. ::: %lib_git% validate_version [SCOPE] [VERSION] :::. :::required: :::. ::: [SCOPE] Example: USER | VENDORED ::: [VERSION] Semantic version String. Ex: 1.2.3.4 :::------------------------------------------------------------------------------- :: now parse the version information into the corresponding variables %lib_console% debug_output :validate_version "ARGV[1]=%~1, ARGV[2]=%~2" call :parse_version %~1 %~2 :: ... and maybe display it, for debugging purposes. REM %lib_console% debug_output :validate_version "Found Git Version for %~1: !%~1_MAJOR!.!%~1_MINOR!.!%~1_PATCH!.!%~1_BUILD!" if "%~1" == "VENDORED" ( %lib_console% debug_output :validate_version "Found Git Version for %~1: %VENDORED_MAJOR%.%VENDORED_MINOR%.%VENDORED_PATCH%.%VENDORED_BUILD%" ) else ( %lib_console% debug_output :validate_version "Found Git Version for %~1: %USER_MAJOR%.%USER_MINOR%.%USER_PATCH%.%USER_BUILD%" ) exit /b :compare_versions :::=============================================================================== :::compare_version - Compare semantic versions return latest version. :::. :::include: :::. ::: call "$0" :::. :::usage: :::. ::: %lib_git% validate_version [SCOPE1] [SCOPE2] :::. :::required: :::. ::: [SCOPE1] Example: USER ::: [SCOPE2] Example: VENDOR :::------------------------------------------------------------------------------- :: checks all major, minor, patch and build variables for the given arguments. :: whichever binary that has the most recent version will be used based on the return code. %lib_console% debug_output Comparing: %lib_console% debug_output %~1: %USER_MAJOR%.%USER_MINOR%.%USER_PATCH%.%USER_BUILD% %lib_console% debug_output %~2: %VENDORED_MAJOR%.%VENDORED_MINOR%.%VENDORED_PATCH%.%VENDORED_BUILD% setlocal enabledelayedexpansion if !%~1_MAJOR! GTR !%~2_MAJOR! (endlocal & exit /b 1) if !%~1_MAJOR! LSS !%~2_MAJOR! (endlocal & exit /b -1) if !%~1_MINOR! GTR !%~2_MINOR! (endlocal & exit /b 1) if !%~1_MINOR! LSS !%~2_MINOR! (endlocal & exit /b -1) if !%~1_PATCH! GTR !%~2_PATCH! (endlocal & exit /b 1) if !%~1_PATCH! LSS !%~2_PATCH! (endlocal & exit /b -1) if !%~1_BUILD! GTR !%~2_BUILD! (endlocal & exit /b 1) if !%~1_BUILD! LSS !%~2_BUILD! (endlocal & exit /b -1) :: looks like we have the same versions. endlocal & exit /b 0 :::=============================================================================== :::is_git_shim :::. :::include: :::. ::: call "$0" :::. :::usage: :::. ::: %lib_git% is_git_shim [filepath] :::. :::required: :::. ::: [filepath] :::------------------------------------------------------------------------------- :is_git_shim pushd "%~1" :: check if there's shim - and if yes follow the path setlocal enabledelayedexpansion if exist git.shim ( for /F "tokens=2 delims== " %%I in (git.shim) do ( pushd %%~dpI set "test_dir=!CD!" popd ) ) else ( set "test_dir=!CD!" ) endlocal & set "test_dir=%test_dir%" popd exit /b :::=============================================================================== :::compare_git_versions :::. :::include: :::. ::: call "$0" :::. :::usage: :::. ::: %lib_git% compare_git_versions :::------------------------------------------------------------------------------- :compare_git_versions if %errorlevel% geq 0 ( :: compare the user git version against the vendored version %lib_git% compare_versions USER VENDORED :: use the user provided git if its version is greater than, or equal to the vendored git if %errorlevel% geq 0 if exist "%test_dir:~0,-4%\cmd\git.exe" ( set "GIT_INSTALL_ROOT=%test_dir:~0,-4%" set test_dir= ) else if %errorlevel% geq 0 ( set "GIT_INSTALL_ROOT=%test_dir%" set test_dir= ) else ( call :verbose_output Found old %GIT_VERSION_USER% in "%test_dir%", but not using... set test_dir= ) ) else ( :: compare the user git version against the vendored version :: if the user provided git executable is not found if %errorlevel% equ -255 ( call :verbose_output No git at "%git_executable%" found. set test_dir= ) ) exit /b :::=============================================================================== :::get_user_git_version - get the version information for the user provided git binary :::. :::include: :::. ::: call "$0" :::. :::usage: :::. ::: %lib_git% get_user_git_version :::------------------------------------------------------------------------------- :get_user_git_version :: get the version information for the user provided git binary %lib_git% read_version USER "%test_dir%" %lib_git% validate_version USER %GIT_VERSION_USER% exit /b