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Build: Make genrev more resilient to invalid source code checkouts

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Shauren
2023-02-03 11:14:59 +01:00
parent 05581806cd
commit 03837b2525
1 changed files with 53 additions and 50 deletions
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103
cmake/genrev.cmake
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@@ -24,13 +24,6 @@ if(WITHOUT_GIT)
string(TIMESTAMP rev_date_fallback "%Y-%m-%d %H:%M:%S" UTC)
else()
if(GIT_EXECUTABLE)
# Retrieve repository dirty status
execute_process(
COMMAND "${GIT_EXECUTABLE}" diff-index --quiet HEAD --
WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
RESULT_VARIABLE is_dirty
)
# Create a revision-string that we can use
execute_process(
COMMAND "${GIT_EXECUTABLE}" rev-parse --short=12 HEAD
@@ -40,58 +33,68 @@ else()
ERROR_QUIET
)
# Append dirty marker to commit hash
if(is_dirty)
set(rev_hash "${rev_hash}+")
endif()
# And grab the commits timestamp
execute_process(
COMMAND "${GIT_EXECUTABLE}" show -s --format=%ci
WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
OUTPUT_VARIABLE rev_date
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET
)
# Also retrieve branch name
execute_process(
COMMAND "${GIT_EXECUTABLE}" symbolic-ref -q --short HEAD
WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
OUTPUT_VARIABLE rev_branch
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET
)
# when ran on CI, repository is put in detached HEAD state, attempt to scan for known local branches
if(NOT rev_branch)
if(rev_hash)
# Retrieve repository dirty status
execute_process(
COMMAND "${GIT_EXECUTABLE}" for-each-ref --points-at=HEAD refs/heads "--format=%(refname:short)"
COMMAND "${GIT_EXECUTABLE}" diff-index --quiet HEAD --
WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
RESULT_VARIABLE is_dirty
ERROR_QUIET
)
# Append dirty marker to commit hash
if(is_dirty)
set(rev_hash "${rev_hash}+")
endif()
# And grab the commits timestamp
execute_process(
COMMAND "${GIT_EXECUTABLE}" show -s --format=%ci
WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
OUTPUT_VARIABLE rev_date
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET
)
# Also retrieve branch name
execute_process(
COMMAND "${GIT_EXECUTABLE}" symbolic-ref -q --short HEAD
WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
OUTPUT_VARIABLE rev_branch
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET
)
endif()
# if local branch scan didn't find anything, try remote branches
if(NOT rev_branch)
execute_process(
COMMAND "${GIT_EXECUTABLE}" for-each-ref --points-at=HEAD refs/remotes "--format=%(refname:short)"
WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
OUTPUT_VARIABLE rev_branch
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET
)
endif()
# when ran on CI, repository is put in detached HEAD state, attempt to scan for known local branches
if(NOT rev_branch)
execute_process(
COMMAND "${GIT_EXECUTABLE}" for-each-ref --points-at=HEAD refs/heads "--format=%(refname:short)"
WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
OUTPUT_VARIABLE rev_branch
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET
)
endif()
# give up finding a name for branch, use commit hash
if(NOT rev_branch)
set(rev_branch ${rev_hash})
endif()
# if local branch scan didn't find anything, try remote branches
if(NOT rev_branch)
execute_process(
COMMAND "${GIT_EXECUTABLE}" for-each-ref --points-at=HEAD refs/remotes "--format=%(refname:short)"
WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
OUTPUT_VARIABLE rev_branch
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET
)
endif()
# normalize branch to single line (for-each-ref can output multiple lines if there are multiple branches on the same commit)
string(REGEX MATCH "^[^ \t\r\n]+" rev_branch ${rev_branch})
# give up finding a name for branch, use commit hash
if(NOT rev_branch)
set(rev_branch ${rev_hash})
endif()
# normalize branch to single line (for-each-ref can output multiple lines if there are multiple branches on the same commit)
string(REGEX MATCH "^[^ \t\r\n]+" rev_branch ${rev_branch})
endif()
endif()
# Last minute check - ensure that we have a proper revision