diff options
| -rw-r--r-- | t/README | 6 | ||||
| -rw-r--r-- | t/test-lib.sh | 13 |
2 files changed, 16 insertions, 3 deletions
@@ -84,9 +84,9 @@ appropriately before running "make". -x:: Turn on shell tracing (i.e., `set -x`) during the tests - themselves. Implies `--verbose`. Note that this can cause - failures in some tests which redirect and test the - output of shell functions. Use with caution. + themselves. Implies `--verbose`. Note that in non-bash shells, + this can cause failures in some tests which redirect and test + the output of shell functions. Use with caution. -d:: --debug:: diff --git a/t/test-lib.sh b/t/test-lib.sh index 286c5f33d1..0055ebba46 100644 --- a/t/test-lib.sh +++ b/t/test-lib.sh @@ -322,6 +322,19 @@ else exec 4>/dev/null 3>/dev/null fi +# Send any "-x" output directly to stderr to avoid polluting tests +# which capture stderr. We can do this unconditionally since it +# has no effect if tracing isn't turned on. +# +# Note that this sets up the trace fd as soon as we assign the variable, so it +# must come after the creation of descriptor 4 above. Likewise, we must never +# unset this, as it has the side effect of closing descriptor 4, which we +# use to show verbose tests to the user. +# +# Note also that we don't need or want to export it. The tracing is local to +# this shell, and we would not want to influence any shells we exec. +BASH_XTRACEFD=4 + test_failure=0 test_count=0 test_fixed=0 |