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post_install() {
cd /opt/sage
update-desktop-database -q
# set HOME because when sage updates its sage_root (after being moved) it will write files to ~/.sage with root ownership
# the files it writes to ~/.sage can be safely ignored
HOME=/tmp ./sage -c
# add sagemath user for the daemon
useradd -r -c 'Sage daemon' -d /opt/sage -s /bin/false sagemath
# Update LaTeX db to point to SageTeX
if [ -f /usr/bin/texhash ]; then
/usr/bin/texhash /usr/share/texmf
else
echo 'Warning: could not find /usr/bin/texhash'
echo 'SageTeX has been installed but you need to run:'
echo '# texhash /usr/share/texmf'
echo 'So that LaTeX will be able to find it.'
fi
echo '
___
/ (_) o |
\__ _ _ __ |
/ / |/ | | / \_| | |
\___/ | |_/|/\__/ \_/|/o
/| /|
\| \|
________________________________
< sage-mathematics, I mean, MOO! >
--------------------------------
\ ^__^
\ (oo)\_______
(__)\ )\/\
||----w |
|| ||
'
}
post_upgrade() {
post_install $1
echo "There is now a user session unit included to run a sage notebook as your user."
echo "The wiki includes a guide on starting systemd user sessions"
}
post_remove() {
# Update LaTeX db to remove SageTeX entries
update-desktop-database -q
if [ -f /usr/bin/texhash ]; then
/usr/bin/texhash /usr/share/texmf
fi
# remove the sagemath daemon user
userdel sagemath
# clean up left overs
rm -rf /opt/sage
}
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