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From: Aleksander Alekseev <[email protected]>
To: PostgreSQL Hackers <[email protected]>
Cc: jian he <[email protected]>
Cc: Michael Paquier <[email protected]>
Cc: Peter Geoghegan <[email protected]>
Subject: Re: Having problems generating a code coverage report
Date: Fri, 1 Nov 2024 17:22:17 +0300
Message-ID: <CAJ7c6TNg-4Lc4rXkM3SA95LCUef5QPvfiTAOAe58=8g6oenzuw@mail.gmail.com> (raw)
In-Reply-To: <CAJ7c6TMhH2DK6uAGekrn5Xbd5PcPMkTfN4Ot2EfBkuRB3QVy7g@mail.gmail.com>
References: <CAJ7c6TN+MCh99EZ8YGhXZAdnqvNQYir6E34B_mmcB5KsxCB00A@mail.gmail.com>
	<CAH2-WzkTDv1PGhyssyHaV1smSEUNktDV3ACfwZsL-iE2=9hOVA@mail.gmail.com>
	<[email protected]>
	<CAJ7c6TPYPF93+yWi=ThKiOsnhqLpeTmctMrJWz3xRQobGSY6BA@mail.gmail.com>
	<CACJufxG+vX_pfPNJTo1WXP_QzGO1KXrVa0yYMkpBqL8nJvQ-VA@mail.gmail.com>
	<CAJ7c6TMhH2DK6uAGekrn5Xbd5PcPMkTfN4Ot2EfBkuRB3QVy7g@mail.gmail.com>

Hi,

> Thanks for the hint. I'm using Meson 1.3.2. Although it's not ancient
> (Feb 2024) there is 1.6.0 available. I'll try upgrading and let you
> know the results.

I upgraded to Meson 1.6.0 and Lcov 2.0-1. Unfortunately it doesn't work:

```
genhtml: ERROR: no data for line:864, TLA:UNC,
file:/home/eax/projects/c/postgresql/src/bin/psql/psqlscanslash.l
    (use "genhtml --ignore-errors unmapped ..." to bypass this error)
Traceback (most recent call last):
  File "/home/eax/.venv/bin/meson", line 8, in <module>
    sys.exit(main())
             ^^^^^^
  File "/home/eax/.venv/lib/python3.12/site-packages/mesonbuild/mesonmain.py",
line 293, in main
    return run(sys.argv[1:], launcher)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/eax/.venv/lib/python3.12/site-packages/mesonbuild/mesonmain.py",
line 281, in run
    return run_script_command(args[1], args[2:])
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/eax/.venv/lib/python3.12/site-packages/mesonbuild/mesonmain.py",
line 222, in run_script_command
    return module.run(script_args)
           ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/eax/.venv/lib/python3.12/site-packages/mesonbuild/scripts/coverage.py",
line 208, in run
    return coverage(options.outputs, options.source_root,
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/eax/.venv/lib/python3.12/site-packages/mesonbuild/scripts/coverage.py",
line 148, in coverage
    subprocess.check_call([genhtml_exe,
  File "/usr/lib/python3.12/subprocess.py", line 413, in check_call
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['genhtml', '--prefix',
'/home/eax/projects/c/postgresql/build', '--prefix',
'/home/eax/projects/c/postgresql', '--output-directory',
'/home/eax/projects/c/postgresql/build/meson-logs/coveragereport',
'--title', 'Code coverage', '--legend', '--show-details',
'--branch-coverage',
'/home/eax/projects/c/postgresql/build/meson-logs/coverage.info']'
returned non-zero exit status 1.
ninja: build stopped: subcommand failed.
```

If I add `--ignore-errors unmapped` as suggested and execute:

```
genhtml --ignore-errors unmapped --prefix
/home/eax/projects/c/postgresql/build --prefix
/home/eax/projects/c/postgresql --output-directory
/home/eax/projects/c/postgresql/build/meson-logs/coveragereport
--title 'Code coverage' --legend --show-details --branch-coverage
/home/eax/projects/c/postgresql/build/meson-logs/coverage.info
```

... I get:

```
...
Processing file src/pl/plpython/plpy_util.c
  lines=33 hit=22 functions=4 hit=4 branches=14 hit=5
Processing file src/include/catalog/index.h
  lines=10 hit=10 functions=2 hit=2
genhtml: ERROR: duplicate merge record src/include/catalog
```

I didn't investigate further.

-- 
Best regards,
Aleksander Alekseev

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  Subject: Re: Having problems generating a code coverage report
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