Avoid excess lines on wide terminals, but make sure we don't fail if
we can't fetch the number of columns for any reason, as it's not a
fundamental feature and we don't want to break anything with it.
Signed-off-by: Stefano Brivio <sbrivio(a)redhat.com>
---
seccomp.sh | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/seccomp.sh b/seccomp.sh
index 052e1c8..38aa826 100755
--- a/seccomp.sh
+++ b/seccomp.sh
@@ -242,7 +242,10 @@ for __p in ${__profiles}; do
__calls="$(sed -n 's/[\t ]*\*[\t
]*#syscalls\(:'"${__p}"'\|\)[\t ]\{1,\}\(.*\)/\2/p' ${IN})"
__calls="${__calls} ${EXTRA_SYSCALLS:-}"
__calls="$(filter ${__calls})"
- echo "seccomp profile ${__p} allows: ${__calls}" | tr '\n' '
' | fmt -t
+
+ cols="$(stty -a | sed -n 's/.*columns \([0-9]*\).*/\1/p' || :)"
2>/dev/null
+ case $cols in [0-9]*) col_args="-w ${cols}";; *) col_args="";; esac
+ echo "seccomp profile ${__p} allows: ${__calls}" | tr '\n' '
' | fmt -t ${col_args}
# Pad here to keep gen_profile() "simple"
__count=0
--
2.43.0