[Bug 673119] Re: dash "set -e" breaks "trap action INT"
Status changed to 'Confirmed' because the bug affects multiple users. ** Changed in: dash (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/673119 Title: dash "set -e" breaks "trap action INT" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/dash/+bug/673119/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 673119] Re: dash "set -e" breaks "trap action INT"
Output by dash 0.5.10.2-6:
3
^CIgnored 1
Ignored 2
Back
EXIT
bash 5.0.3 works the same way.
To get the output you want, you can use the following code:
--
#!/bin/sh
#set -e
trap '' INT
trap 'echo EXIT' EXIT
sorry() {
echo "Ignored 1"; echo "Ignored 2"
sleep 1
echo Back
}
for i in 3 2 1; do
echo "$i"
(
trap 'sorry; exit 0' INT
sleep 1
) # || :
done
echo OUT
-
If you use bash, instead of dash, it would work even if "set -e" was
used and "trap '' INT" was not used. If "set -e" was used with dash, you
would have to uncomment "|| :" to make it work.
See also Bug #892317
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https://bugs.launchpad.net/bugs/673119
Title:
dash "set -e" breaks "trap action INT"
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[Bug 673119] Re: dash "set -e" breaks "trap action INT"
This bug is... now different. But not fixed. Using Dash 0.5.8-2.10, the
output I get from the script is:
3
^CEXIT
Ignored 1
Ignored 2
Back
Note that EXIT fires a lot earlier than expected, and the script
unexpectedly terminates.
I still see similar behaviour to the original bug (only one line is
executed) with this script:
#!/bin/sh
set -e
trap 'exit 1' INT
trap 'sorry' EXIT
sorry() {
echo "Ignored 1"; echo "Ignored 2"
sleep 1
echo Back
}
for i in 3 2 1; do
echo "$i"
sleep 1 # || true
done
echo OUT
Expected output:
3
^CIgnored 1
Ignored 2
Back
Actual output:
3
^CIgnored 1
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https://bugs.launchpad.net/bugs/673119
Title:
dash "set -e" breaks "trap action INT"
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/dash/+bug/673119/+subscriptions
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[Bug 673119] Re: dash set -e breaks trap action INT
I have reported this bug upstream and it has been confirmed. http://www.mail-archive.com/dash@vger.kernel.org/msg00401.html Apparently dash 0.5.6 fixes it, but releases up to Natty still use 0.5.5 ** Tags added: maverick natty -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/673119 Title: dash set -e breaks trap action INT -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 673119] Re: dash set -e breaks trap action INT
-- dash set -e breaks trap action INT https://bugs.launchpad.net/bugs/673119 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
