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cmake: improve building without git repository 

- quiet `fatal: not a git repository` message
- if git probe fails skip ZIG_VERSION modification
master
Michael Dusan 2019-09-02 17:45:30 -04:00 committed by Andrew Kelley
parent 4a5b0cde13
commit 00d82e34df
1 changed files with 10 additions and 6 deletions
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16
CMakeLists.txt
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@ -23,14 +23,18 @@ find_program(GIT_EXE NAMES git)
if(GIT_EXE)
execute_process(
COMMAND ${GIT_EXE} -C ${CMAKE_SOURCE_DIR} name-rev HEAD --tags --name-only --no-undefined --always
RESULT_VARIABLE EXIT_STATUS
OUTPUT_VARIABLE ZIG_GIT_REV
OUTPUT_STRIP_TRAILING_WHITESPACE)
if(ZIG_GIT_REV MATCHES "\\^0$")
if(NOT("${ZIG_GIT_REV}" STREQUAL "${ZIG_VERSION}^0"))
message("WARNING: Tag does not match configured Zig version")
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET)
if(EXIT_STATUS EQUAL "0")
if(ZIG_GIT_REV MATCHES "\\^0$")
if(NOT("${ZIG_GIT_REV}" STREQUAL "${ZIG_VERSION}^0"))
message("WARNING: Tag does not match configured Zig version")
endif()
else()
set(ZIG_VERSION "${ZIG_VERSION}+${ZIG_GIT_REV}")
endif()
else()
set(ZIG_VERSION "${ZIG_VERSION}+${ZIG_GIT_REV}")
endif()
endif()
message("Configuring zig version ${ZIG_VERSION}")