From: Ronan Pigott <ronan@rjp.ie>
Date: Sat, 21 Sep 2024 18:06:09 GMT
Subject: Re: BUG: refs.c:1933: reference backend is unknown
Message-ID: <9fdb9561bb0ad85e55ca3253cc4db9b098641e30@rjp.ie>
In-Reply-To: <Zu7vpPs8fcqlMlNK@ArchLinux>

September 21, 2024 at 9:09 AM, "shejialuo" <shejialuo@gmail.com> wrote:

> The "git-archive(1)" command must accept at least one parameter as
> 
> "archive.c::parse_archive_args" shows:
> 
>  static int parse_archive_args(...)
> 
>  {
> 
>  ...
> 
>  if (argc < 1)
> 
>  usage_with_options(archive_usage, opts);
> 
>  }
> 
> So, it will print the usage and exit the program. I guess you omit some
> 
> things for this bug report. Could you please give us more information to
> 
> let us dive into this?

The abort is reproducible exactly as written for me, but upon further
examination it may depend on my config. Here is a minimal reproducer:

  $ GIT_CONFIG_NOSYSTEM=1 GIT_CONFIG_GLOBAL=/dev/null git --git-dir=notexist -c 'includeif.onbranch:test/**.path=/dev/null' archive

> bt
#0  __pthread_kill_implementation (threadid=<optimized out>, signo=signo@entry=6, no_tid=no_tid@entry=0) at pthread_kill.c:44
#1  0x00007ffff7d78463 in __pthread_kill_internal (threadid=<optimized out>, signo=6) at pthread_kill.c:78
#2  0x00007ffff7d1f120 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
#3  0x00007ffff7d064c3 in __GI_abort () at abort.c:79
#4  0x000055555585385a in BUG_vfl (file=<optimized out>, line=<optimized out>, fmt=0x555555905baf "reference backend is unknown", params=0x7fffffffd120) at /usr/src/debug/git/git-2.46.1/usage.c:317
#5  BUG_fl (file=<optimized out>, line=<optimized out>, fmt=0x555555905baf "reference backend is unknown") at /usr/src/debug/git/git-2.46.1/usage.c:334
#6  0x00005555557ca9d2 in ref_store_init (repo=<optimized out>, format=<optimized out>, gitdir=<optimized out>, flags=<optimized out>) at /usr/src/debug/git/git-2.46.1/refs.c:1933
#7  ref_store_init (repo=0x5555559759a0 <the_repo.lto_priv>, format=<optimized out>, gitdir=<optimized out>, flags=15) at /usr/src/debug/git/git-2.46.1/refs.c:1923
#8  get_main_ref_store (r=0x5555559759a0 <the_repo.lto_priv>) at /usr/src/debug/git/git-2.46.1/refs.c:1953
#9  0x00005555556dcdf6 in include_by_branch (cond=0x55555599f503 "test/**.path", cond_len=7) at /usr/src/debug/git/git-2.46.1/config.c:309
#10 include_condition_is_true (kvi=<optimized out>, inc=0x7fffffffd460, cond=0x55555599f503 "test/**.path", cond_len=7) at /usr/src/debug/git/git-2.46.1/config.c:409
#11 git_config_include (var=var@entry=0x55555599f4f0 "includeif.onbranch:test/**.path", value=value@entry=0x55555599fa62 "/dev/null", ctx=ctx@entry=0x7fffffffd368, data=data@entry=0x7fffffffd460) at /usr/src/debug/git/git-2.46.1/config.c:439
#12 0x00005555556d8753 in config_parse_pair (key=<optimized out>, value=0x55555599fa62 "/dev/null", kvi=kvi@entry=0x7fffffffd4a0, fn=fn@entry=0x5555556dcad0 <git_config_include>, data=data@entry=0x7fffffffd460) at /usr/src/debug/git/git-2.46.1/config.c:617
#13 0x00005555556dc437 in parse_config_env_list (env=0x55555599fa40 "includeif.onbranch:test/**.path", kvi=0x7fffffffd4a0, fn=0x5555556dcad0 <git_config_include>, data=0x7fffffffd460) at /usr/src/debug/git/git-2.46.1/config.c:700
#14 git_config_from_parameters (fn=0x5555556dcad0 <git_config_include>, data=0x7fffffffd460) at /usr/src/debug/git/git-2.46.1/config.c:773
#15 do_git_config_sequence (opts=0x7fffffffd4b0, repo=0x0, fn=0x5555556dcad0 <git_config_include>, data=0x7fffffffd460) at /usr/src/debug/git/git-2.46.1/config.c:2131
#16 config_with_options (fn=0x5555556dcad0 <git_config_include>, fn@entry=0x555555790940 <pager_command_config>, data=0x7fffffffd460, data@entry=0x7fffffffd7a0, config_source=config_source@entry=0x0, repo=repo@entry=0x0, opts=opts@entry=0x7fffffffd660) at /usr/src/debug/git/git-2.46.1/config.c:2174
#17 0x00005555556dd110 in read_early_config (cb=0x555555790940 <pager_command_config>, data=0x7fffffffd7a0) at /usr/src/debug/git/git-2.46.1/config.c:2229
#18 0x000055555555ea58 in check_pager_config (cmd=<optimized out>) at /usr/src/debug/git/git-2.46.1/pager.c:261
#19 run_builtin (p=0x555555966a00 <commands.lto_priv+96>, argc=1, argv=0x7fffffffdd78) at /usr/src/debug/git/git-2.46.1/git.c:461
#20 handle_builtin (argc=1, argv=0x7fffffffdd78) at /usr/src/debug/git/git-2.46.1/git.c:732
#21 0x000055555555eaf9 in run_argv (argcp=0x7fffffffdb0c, argv=0x7fffffffdb30) at /usr/src/debug/git/git-2.46.1/git.c:796
#22 0x00005555555597eb in cmd_main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/git/git-2.46.1/git.c:931
#23 main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/git/git-2.46.1/common-main.c:64

Cheers,

Ronan