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Help debugging with MSys2 by optionally executing bash with strace

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MSys2's strace facility is very useful for debugging... With this patch,
the bash will be executed through strace if the environment variable
GIT_STRACE_COMMANDS is set, which comes in real handy when investigating
issues in the test suite.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
This commit is contained in:
Johannes Schindelin
2015-02-20 09:52:07 +00:00
parent 8bca78b752
commit dfb7979179
1 changed files with 10 additions and 0 deletions
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10
compat/mingw.c
View File

@@ -1202,6 +1202,16 @@ static pid_t mingw_spawnve_fd(const char *cmd, const char **argv, char **deltaen
free(quoted);
}
if (getenv("GIT_STRACE_COMMANDS")) {
char **path = get_path_split();
cmd = path_lookup("strace.exe", path, 1);
if (!cmd)
return error("strace not found!");
if (xutftowcs_path(wcmd, cmd) < 0)
return -1;
strbuf_insert(&args, 0, "strace ", 7);
}
ALLOC_ARRAY(wargs, st_add(st_mult(2, args.len), 1));
xutftowcs(wargs, args.buf, 2 * args.len + 1);
strbuf_release(&args);