gcovr Gcovr fails with hyphen in path

Describe the bug I have a repository which has a hyphen in its name. With this repository collecting coverage using gcovr fails with errors about a readonly filesystem. I put the log of the fail below. When I rename the repo to the same name without the hyphen and rebuild/retest and rerun gcovr, the issue disappears.

To Reproduce

Have a repo with a hyphen in its name
Build/test
Run gcovr

Expected behavior Gcovr runs without issues

Screenshots See log below

Desktop (please complete the following information):

OS: macOS 12.7.1
GCC version: Apple clang version 14.0.0 (clang-1400.0.29.202)
GCOVR version: Tried both 6.0 and 7.0
Project directory layout:
- Roots: The path with the hyphen in it

Additional context Log:

File '/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.1.sdk/usr/include/c++/v1/new'
Lines executed:84.62% of 13
Branches executed:100.00% of 2
Taken at least once:50.00% of 2
No calls
Creating 'new##c8248d0c10c8a902d7ffa4776cad83da.gcov'

<< End of stdout
Stderr of gcov was >>Read-only file system
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<< End of stderr
Current processed gcov file was '/forward.h##4d245d795dd97adc43f8cd857a883c88.gcov'.
Use option --verbose to get extended information.
Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/workers.py", line 80, in worker
    work(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/read.py", line 422, in process_datafile
    done = run_gcov_and_process_files(
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/read.py", line 709, in run_gcov_and_process_files
    process_gcov_data(fname, abs_filename, covdata, options)
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/read.py", line 173, in process_gcov_data
    with io.open(
FileNotFoundError: [Errno 2] No such file or directory: '/forward.h##4d245d795dd97adc43f8cd857a883c88.gcov'
Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/workers.py", line 80, in worker
    work(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/read.py", line 422, in process_datafile
    done = run_gcov_and_process_files(
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/read.py", line 709, in run_gcov_and_process_files
    process_gcov_data(fname, abs_filename, covdata, options)
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/read.py", line 173, in process_gcov_data
    with io.open(
FileNotFoundError: [Errno 2] No such file or directory: '/forward.h##4d245d795dd97adc43f8cd857a883c88.gcov'
(ERROR) Error occurred while reading reports:
Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/gcovr/__main__.py", line 362, in main
    covdata: CovData = gcovr_formats.read_reports(options)
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/__init__.py", line 66, in read_reports
    covdata = GcovHandler(options).read_report()
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/__init__.py", line 202, in read_report
    return read_report(self.options)
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/read.py", line 86, in read_report
    contexts = pool.wait()
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/workers.py", line 173, in __exit__
    self.wait()
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/workers.py", line 164, in wait
    raise self.exceptions[0][1]
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/read.py", line 86, in read_report
    contexts = pool.wait()
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/workers.py", line 164, in wait
    raise self.exceptions[0][1]
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/workers.py", line 80, in worker
    work(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/read.py", line 422, in process_datafile
    done = run_gcov_and_process_files(
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/read.py", line 709, in run_gcov_and_process_files
    process_gcov_data(fname, abs_filename, covdata, options)
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/read.py", line 173, in process_gcov_data
    with io.open(
FileNotFoundError: [Errno 2] No such file or directory: '/forward.h##4d245d795dd97adc43f8cd857a883c88.gcov'

[Errno 2] No such file or directory: '/forward.h##4d245d795dd97adc43f8cd857a883c88.gcov'

Feb 14 '24 09:02 larsk2009

Sorry, from this log I don't see an issue with a hyphen. For me it looks more lake a misconfiguration because gcov is trying to create the file in the root of your disk.

As stated in the log Use option --verbose to get extended information., can you check this? I guess that gcovr can't find the correct working directory of gcov.

Feb 14 '24 18:02 Spacetown

I have added the whole log of the failed run. I can see it goes wrong when it starts descending in the file tree, but not sure why that happens.

$ gcovr -r ${CI_PROJECT_DIR} --cobertura --html-details details.html --print-summary -e "/.*/build/_deps/" -e "/.*/rapidjson/" -e "/.*/test/" -o coverage.xml --verbose
(DEBUG) File system is case insensitive.
(DEBUG) Filters for --root: (1)
(DEBUG)  - re.compile('^/Users/macdev/builds/uyt5Zwhj/0/application\\-library/jsobject/')
(DEBUG) Filters for --filter: (1)
(DEBUG)  - DirectoryPrefixFilter(/Users/macdev/builds/uyt5Zwhj/0/application\-library/jsobject/)
(DEBUG) Filters for --exclude: (3)
(DEBUG)  - AbsoluteFilter(/.*/build/_deps/)
(DEBUG)  - AbsoluteFilter(/.*/rapidjson/)
(DEBUG)  - AbsoluteFilter(/.*/test/)
(DEBUG) Filters for --gcov-filter: (1)
(DEBUG)  - AlwaysMatchFilter()
(DEBUG) Filters for --gcov-exclude: (0)
(DEBUG) Filters for --gcov-exclude-directories: (0)
(INFO) Reading coverage data...
(DEBUG) Scanning directory ../.. for gcda/gcno files...
(DEBUG) Found 52 files (and will process 26)
(DEBUG) Pool started with 1 threads
(DEBUG) Processing file: /Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject/build/test/CMakeFiles/jsObject_test.dir/jsUuid_test.cpp.gcda
(DEBUG) Running gcov: 'gcov --help' in '.'
(DEBUG) Running gcov: 'gcov --help-hidden' in '.'
(DEBUG) Running gcov: 'gcov /Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject/build/test/CMakeFiles/jsObject_test.dir/jsUuid_test.cpp.gcda --branch-counts --branch-probabilities --all-blocks --demangled-names --hash-filenames --object-directory build/test/CMakeFiles/jsObject_test.dir' in '/Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject'
(DEBUG) Running gcov: 'gcov /Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject/build/test/CMakeFiles/jsObject_test.dir/jsUuid_test.cpp.gcda --branch-counts --branch-probabilities --all-blocks --demangled-names --hash-filenames --object-directory .' in '/Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject/build/test/CMakeFiles/jsObject_test.dir'
(DEBUG) Running gcov: 'gcov /Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject/build/test/CMakeFiles/jsObject_test.dir/jsUuid_test.cpp.gcda --branch-counts --branch-probabilities --all-blocks --demangled-names --hash-filenames --object-directory jsObject_test.dir' in '/Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject/build/test/CMakeFiles'
(DEBUG) Running gcov: 'gcov /Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject/build/test/CMakeFiles/jsObject_test.dir/jsUuid_test.cpp.gcda --branch-counts --branch-probabilities --all-blocks --demangled-names --hash-filenames --object-directory CMakeFiles/jsObject_test.dir' in '/Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject/build/test'
(DEBUG) Running gcov: 'gcov /Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject/build/test/CMakeFiles/jsObject_test.dir/jsUuid_test.cpp.gcda --branch-counts --branch-probabilities --all-blocks --demangled-names --hash-filenames --object-directory test/CMakeFiles/jsObject_test.dir' in '/Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject/build'
(DEBUG) Running gcov: 'gcov /Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject/build/test/CMakeFiles/jsObject_test.dir/jsUuid_test.cpp.gcda --branch-counts --branch-probabilities --all-blocks --demangled-names --hash-filenames --object-directory build/test/CMakeFiles/jsObject_test.dir' in '/Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject'
(DEBUG) Running gcov: 'gcov /Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject/build/test/CMakeFiles/jsObject_test.dir/jsUuid_test.cpp.gcda --branch-counts --branch-probabilities --all-blocks --demangled-names --hash-filenames --object-directory jsobject/build/test/CMakeFiles/jsObject_test.dir' in '/Users/macdev/builds/uyt5Zwhj/0/application-library'
(DEBUG) Running gcov: 'gcov /Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject/build/test/CMakeFiles/jsObject_test.dir/jsUuid_test.cpp.gcda --branch-counts --branch-probabilities --all-blocks --demangled-names --hash-filenames --object-directory application-library/jsobject/build/test/CMakeFiles/jsObject_test.dir' in '/Users/macdev/builds/uyt5Zwhj/0'
(DEBUG) Running gcov: 'gcov /Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject/build/test/CMakeFiles/jsObject_test.dir/jsUuid_test.cpp.gcda --branch-counts --branch-probabilities --all-blocks --demangled-names --hash-filenames --object-directory 0/application-library/jsobject/build/test/CMakeFiles/jsObject_test.dir' in '/Users/macdev/builds/uyt5Zwhj'
(DEBUG) Running gcov: 'gcov /Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject/build/test/CMakeFiles/jsObject_test.dir/jsUuid_test.cpp.gcda --branch-counts --branch-probabilities --all-blocks --demangled-names --hash-filenames --object-directory uyt5Zwhj/0/application-library/jsobject/build/test/CMakeFiles/jsObject_test.dir' in '/Users/macdev/builds'
(DEBUG) Running gcov: 'gcov /Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject/build/test/CMakeFiles/jsObject_test.dir/jsUuid_test.cpp.gcda --branch-counts --branch-probabilities --all-blocks --demangled-names --hash-filenames --object-directory builds/uyt5Zwhj/0/application-library/jsobject/build/test/CMakeFiles/jsObject_test.dir' in '/Users/macdev'
(DEBUG) Running gcov: 'gcov /Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject/build/test/CMakeFiles/jsObject_test.dir/jsUuid_test.cpp.gcda --branch-counts --branch-probabilities --all-blocks --demangled-names --hash-filenames --object-directory macdev/builds/uyt5Zwhj/0/application-library/jsobject/build/test/CMakeFiles/jsObject_test.dir' in '/Users'
(DEBUG) Running gcov: 'gcov /Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject/build/test/CMakeFiles/jsObject_test.dir/jsUuid_test.cpp.gcda --branch-counts --branch-probabilities --all-blocks --demangled-names --hash-filenames --object-directory Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject/build/test/CMakeFiles/jsObject_test.dir' in '/'
(ERROR) Trouble processing '/Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject/build/test/CMakeFiles/jsObject_test.dir/jsUuid_test.cpp.gcda' with working directory '/'.
Stdout of gcov was >>File '/Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject/test/jsUuid_test.cpp'
Lines executed:100.00% of 41
Branches executed:100.00% of 232
Taken at least once:39.66% of 232
No calls
Creating 'jsUuid_test.cpp##a8d7154b630cebaa46fb46357a7f697b.gcov'
File '/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.1.sdk/usr/include/c++/v1/string'
Lines executed:71.19% of 59
Branches executed:80.00% of 10
Taken at least once:50.00% of 10
No calls
Creating 'string##4914da67b4dc835e467440e04d551b78.gcov'
File '/Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject/.dependencies/googletest-src/googletest/include/gtest/internal/gtest-internal.h'
Lines executed:3.70% of 27
Branches executed:25.00% of 48
Taken at least once:12.50% of 48
No calls
Creating 'gtest-internal.h##54b9c1264b54bf5c2d235184c1996715.gcov'
File '/Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject/test/../include/jsObject/jsUuid.h'
Lines executed:100.00% of 2
No branches
No calls
Creating 'jsUuid.h##444dc0913df8f1b536f50de4f75314c9.gcov'
File '/Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject/.dependencies/googletest-src/googletest/include/gtest/gtest-assertion-result.h'
Lines executed:0.00% of 6
Branches executed:0.00% of 2
Taken at least once:0.00% of 2
No calls
Creating 'gtest-assertion-result.h##b9601bd0a6ba77d6277ebb34430c6ac2.gcov'
File '/Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject/.dependencies/googletest-src/googletest/include/gtest/gtest-message.h'
Lines executed:nan% of 0
No branches
No calls
Creating 'gtest-message.h##dfc9251a45ade99c495b4b6a85016dd5.gcov'
File '/Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject/test/../include/jsObject/unique_id.h'
Lines executed:100.00% of 16
Branches executed:100.00% of 8
Taken at least once:50.00% of 8
No calls
Creating 'unique_id.h##79834c26599fca7e161773d264b6e9a4.gcov'
File '/Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject/.dependencies/googletest-src/googletest/include/gtest/gtest.h'
Lines executed:0.00% of 5
No branches
No calls
Creating 'gtest.h##e1de013162b5cf98d673a2a1141cd1d8.gcov'
File '/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.1.sdk/usr/include/c++/v1/__memory/unique_ptr.h'
Lines executed:0.00% of 17
Branches executed:0.00% of 10
Taken at least once:0.00% of 10
No calls
Creating 'unique_ptr.h##faaf6c60421268e41765c7cd8a592ba2.gcov'
File '/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.1.sdk/usr/include/c++/v1/__memory/compressed_pair.h'
Lines executed:81.25% of 16
No branches
No calls
Creating 'compressed_pair.h##478becee3202634787394b26fa4fb4df.gcov'
File '/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.1.sdk/usr/include/c++/v1/array'
Lines executed:100.00% of 4
No branches
No calls
Creating 'array##f5b7f5fcbcf908c5209f09825e77cb8b.gcov'
File '/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.1.sdk/usr/include/c++/v1/__utility/forward.h'
Lines executed:100.00% of 2
No branches
No calls
Creating 'forward.h##4d245d795dd97adc43f8cd857a883c88.gcov'
File '/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.1.sdk/usr/include/c++/v1/__memory/allocator.h'
Lines executed:40.00% of 5
Branches executed:0.00% of 2
Taken at least once:0.00% of 2
No calls
Creating 'allocator.h##054382a03463af1d8a7b35d24d728e31.gcov'
File '/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.1.sdk/usr/include/c++/v1/__memory/allocator_traits.h'
Lines executed:0.00% of 3
No branches
No calls
Creating 'allocator_traits.h##32e4317e691d1c286f1fa4216cf66803.gcov'
File '/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.1.sdk/usr/include/c++/v1/__string'
Lines executed:16.67% of 6
No branches
No calls
Creating '__string##5308f569ee7da86bb4f7a7d2e3bf0fea.gcov'
File '/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.1.sdk/usr/include/c++/v1/new'
Lines executed:0.00% of 13
Branches executed:0.00% of 2
Taken at least once:0.00% of 2
No calls
Creating 'new##c8248d0c10c8a902d7ffa4776cad83da.gcov'
File '/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.1.sdk/usr/include/c++/v1/__utility/move.h'
Lines executed:100.00% of 2
No branches
No calls
Creating 'move.h##b962364907a70df241b2652f8b750ca9.gcov'
File '/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.1.sdk/usr/include/c++/v1/__memory/pointer_traits.h'
Lines executed:100.00% of 4
No branches
No calls
Creating 'pointer_traits.h##4ae3cbbd3c247fa2a454aa5359424651.gcov'
File '/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.1.sdk/usr/include/c++/v1/__memory/addressof.h'
Lines executed:100.00% of 2
No branches
No calls
Creating 'addressof.h##dce7a1b8fe065448982cce248989b45a.gcov'
File '/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.1.sdk/usr/include/c++/v1/ostream'
Lines executed:0.00% of 21
Branches executed:0.00% of 24
Taken at least once:0.00% of 24
No calls
Creating 'ostream##3fd775785662b3b7b50a86a8fb483ab6.gcov'
File '/Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject/.dependencies/googletest-src/googletest/include/gtest/internal/gtest-port.h'
Lines executed:0.00% of 1
No branches
No calls
Creating 'gtest-port.h##d445ecc15e7e1b52621e6fa0ffef33a6.gcov'
File '/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.1.sdk/usr/include/c++/v1/locale'
Lines executed:0.00% of 29
Branches executed:0.00% of 21
Taken at least once:0.00% of 21
No calls
Creating 'locale##6a9c925a88672b1a024ae11411cfb218.gcov'
File '/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.1.sdk/usr/include/c++/v1/__iterator/ostreambuf_iterator.h'
Lines executed:0.00% of 3
Branches executed:0.00% of 2
Taken at least once:0.00% of 2
No calls
Creating 'ostreambuf_iterator.h##c142c692fd0b5495354d5cc1e0e783ff.gcov'
File '/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.1.sdk/usr/include/c++/v1/ios'
Lines executed:0.00% of 22
Branches executed:0.00% of 6
Taken at least once:0.00% of 6
No calls
Creating 'ios##71a98a0ebdfe57418d96324cc92f38c4.gcov'
File '/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.1.sdk/usr/include/c++/v1/streambuf'
Lines executed:0.00% of 2
No branches
No calls
Creating 'streambuf##e2657e47f88bd433422a67ba0e93f722.gcov'
File '/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.1.sdk/usr/include/c++/v1/__locale'
Lines executed:0.00% of 4
No branches
No calls
Creating '__locale##6931866373648ea3efb5ff23897a601d.gcov'
<< End of stdout
Stderr of gcov was >>Read-only file system
Read-only file system
Read-only file system
Read-only file system
Read-only file system
Read-only file system
Read-only file system
Read-only file system
Read-only file system
Read-only file system
Read-only file system
Read-only file system
Read-only file system
Read-only file system
Read-only file system
Read-only file system
Read-only file system
Read-only file system
Read-only file system
Read-only file system
Read-only file system
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Read-only file system
Read-only file system
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Read-only file system
<< End of stderr
Current processed gcov file was '/allocator.h##054382a03463af1d8a7b35d24d728e31.gcov'.
Use option --verbose to get extended information.
Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/workers.py", line 80, in worker
    work(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/read.py", line 422, in process_datafile
    done = run_gcov_and_process_files(
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/read.py", line 709, in run_gcov_and_process_files
    process_gcov_data(fname, abs_filename, covdata, options)
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/read.py", line 173, in process_gcov_data
    with io.open(
FileNotFoundError: [Errno 2] No such file or directory: '/allocator.h##054382a03463af1d8a7b35d24d728e31.gcov'
Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/workers.py", line 80, in worker
    work(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/read.py", line 422, in process_datafile
    done = run_gcov_and_process_files(
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/read.py", line 709, in run_gcov_and_process_files
    process_gcov_data(fname, abs_filename, covdata, options)
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/read.py", line 173, in process_gcov_data
    with io.open(
FileNotFoundError: [Errno 2] No such file or directory: '/allocator.h##054382a03463af1d8a7b35d24d728e31.gcov'
(ERROR) Error occurred while reading reports:
Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/gcovr/__main__.py", line 362, in main
    covdata: CovData = gcovr_formats.read_reports(options)
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/__init__.py", line 66, in read_reports
    covdata = GcovHandler(options).read_report()
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/__init__.py", line 202, in read_report
    return read_report(self.options)
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/read.py", line 86, in read_report
    contexts = pool.wait()
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/workers.py", line 173, in __exit__
    self.wait()
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/workers.py", line 164, in wait
    raise self.exceptions[0][1]
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/read.py", line 86, in read_report
    contexts = pool.wait()
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/workers.py", line 164, in wait
    raise self.exceptions[0][1]
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/workers.py", line 80, in worker
    work(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/read.py", line 422, in process_datafile
    done = run_gcov_and_process_files(
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/read.py", line 709, in run_gcov_and_process_files
    process_gcov_data(fname, abs_filename, covdata, options)
  File "/usr/local/lib/python3.9/site-packages/gcovr/formats/gcov/read.py", line 173, in process_gcov_data
    with io.open(
FileNotFoundError: [Errno 2] No such file or directory: '/allocator.h##054382a03463af1d8a7b35d24d728e31.gcov'
[Errno 2] No such file or directory: '/allocator.h##054382a03463af1d8a7b35d24d728e31.gcov'
Uploading artifacts for failed job
00:02
Uploading artifacts...
Runtime platform                                    arch=amd64 os=darwin pid=59805 revision=f5da3c5a version=16.6.1
build/test/result.xml: found 1 matching artifact files and directories 
WARNING: build/test/details.*: no matching files. Ensure that the artifact path is relative to the working directory (/Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject) 
Uploading artifacts as "archive" to coordinator... 201 Created  id=22238 responseStatus=201 Created token=64_dsHxx
Uploading artifacts...
Runtime platform                                    arch=amd64 os=darwin pid=59807 revision=f5da3c5a version=16.6.1
build/test/result.xml: found 1 matching artifact files and directories 
Uploading artifacts as "junit" to coordinator... 201 Created  id=22238 responseStatus=201 Created token=64_dsHxx
Uploading artifacts...
Runtime platform                                    arch=amd64 os=darwin pid=59809 revision=f5da3c5a version=16.6.1
WARNING: build/test/coverage.xml: no matching files. Ensure that the artifact path is relative to the working directory (/Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject) 
ERROR: No files to upload                          
ERROR: Job failed: exit status 1

Feb 15 '24 12:02 larsk2009

Can you execute the command gcov /Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject/build/test/CMakeFiles/jsObject_test.dir/jsUuid_test.cpp.gcda --branch-counts --branch-probabilities --all-blocks --demangled-names --hash-filenames --object-directory build/test/CMakeFiles/jsObject_test.dir in /Users/macdev/builds/uyt5Zwhj/0/application-library/jsobject and check the output?

@latk I'm wondering here why the exception is matched and re thrown here: https://github.com/gcovr/gcovr/blob/1c0e1d5a603586f01d6cad686efd1aedb9ba0400/gcovr/formats/gcov/read.py#L726-L734

and not in the outer loop: https://github.com/gcovr/gcovr/blob/1c0e1d5a603586f01d6cad686efd1aedb9ba0400/gcovr/formats/gcov/read.py#L421

We loose her the output of the failed gcov execution and why we used the next working directory.

Feb 16 '24 13:02 Spacetown

I prepared a branch to get all the error messages from the gcov executions. Please can you try https://github.com/Spacetown/gcovr/tree/catch_additional_gcov_error?

Feb 18 '24 21:02 Spacetown

I think I figured it out, your branch helped massively. Our CI was deleting the folder containing all dependencies before running gcovr which is why it failed, as it couldn't find certain files which should be in the dependencies folder. I think the added debug logging of your branch would be a helpful addition to the mainline of gcovr too. From my side this issue can be closed, thanks!

Feb 19 '24 07:02 larsk2009

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Gcovr fails with hyphen in path

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