Hi Barry!
On 2014-11-14 17:56, Barry Warsaw wrote:
> So, when I log in, I do get several warnings in a dialog. Most are
> because I use `source` instead of `.` to source other shell files.
> What shell is lightdm using these days?
It has always been using Bourne shell, so "source" is not understood.
You have obliviously been running your system without the configuration
in those other shell files.
> Anyway, when I change them all to `.` I still get one warning about
> my use of shopt,
Another bash command, not understood by dash.
> However, logins are now completely broken. I see the screen blank and
> then I'm thrown back to the login screen. ~/.xsession-errors is
> empty and I can find no other log file either in $HOME or /var/log
> that contains any information about what's going wrong.
This is the code in /usr/sbin/lightdm-session which triggers those
warning dialogs:
<code>
# temporary storage of error messages
ERR=$(mktemp --tmpdir config-err-XXXXXX)
source_with_error_check () {
CONFIG_FILE="$1"
if sh -n "$CONFIG_FILE" 2>"$ERR"; then
echo "Loading $CONFIG_FILE";
. "$CONFIG_FILE" 2>"$ERR"
if [ -s "$ERR" ]; then
SYNTAX=false
. /usr/lib/lightdm/config-error-dialog.sh
fi
else
SYNTAX=true
. /usr/lib/lightdm/config-error-dialog.sh
fi
cat "$ERR" >>/dev/stderr
truncate -s 0 "$ERR"
}
# Load profile
for file in "/etc/profile" "$HOME/.profile" \
"/etc/xprofile" "$HOME/.xprofile"; do
if [ -f "$file" ]; then
source_with_error_check "$file"
fi
done
</code>
I find it hard to believe that that code itself is causing the problem
you describe. Considering that you could log in just fine before you
changed the occurrences of "source" to ".", I would look for the cause
in the code which unlike before is now sourced by lightdm.
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https://bugs.launchpad.net/bugs/678421
Title:
Error message for a faulty ~/.profile script
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