mirror of
https://github.com/OPM/opm-simulators.git
synced 2025-02-25 18:55:30 -06:00
64 lines
1.8 KiB
CMake
64 lines
1.8 KiB
CMake
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# - This script must be passed the following information
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#
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# GIT_EXECUTABLE Path to the Git executable
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# PROJECT_SOURCE_DIR Path to the source directory
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# PROJECT_BINARY_DIR Path to the build directory
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# PROJECT_LABEL String that identifies the minor
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# version of the project, e.g. "2013.03"
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#
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# get hash code
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exec_program (
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${GIT_EXECUTABLE} ${PROJECT_SOURCE_DIR}
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ARGS rev-parse --short --verify HEAD
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OUTPUT_VARIABLE sha1
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RETURN_VALUE has_sha
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)
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# exec_program unfortunately mashes together both output
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# and error streams, so we must use the return code to make
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# sure that we only get the output
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if (NOT ${has_sha} EQUAL 0)
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set (sha1 "")
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endif ()
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# check for local changes
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if (sha1)
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# unstaged
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exec_program (
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${GIT_EXECUTABLE} ${PROJECT_SOURCE_DIR}
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ARGS diff --no-ext-diff --quiet --exit-code
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RETURN_VALUE dirty
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OUTPUT_VARIABLE _dummy
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)
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# staged
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exec_program (
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${GIT_EXECUTABLE} ${PROJECT_SOURCE_DIR}
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ARGS diff-index --no-ext-diff --cached --quiet --exit-code HEAD --
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RETURN_VALUE staged
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OUTPUT_VARIABLE _dummy
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)
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# if we found any changes, then append an asterisk to
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# the SHA1 so we know that it cannot be trusted
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if (dirty OR staged)
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set (sha1 "${sha1}*")
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endif ()
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# make a formatted version that can be appended to the label
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set (sha1 " (${sha1})")
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endif ()
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# write the content to a temporary file in a C compatible format
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file (WRITE "${PROJECT_BINARY_DIR}/project-version.tmp"
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"#define PROJECT_VERSION \"${PROJECT_LABEL}${sha1}\"\n"
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)
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# only commit this to source code if it actually changed. here
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# we use execute_process instead of exec_program to avoid having
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# it printed on the console every time
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execute_process (COMMAND
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${CMAKE_COMMAND} -E copy_if_different "${PROJECT_BINARY_DIR}/project-version.tmp" "${PROJECT_BINARY_DIR}/project-version.h"
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)
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