prerm is in grafana-data 2.6.0+dfsg-1.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 | #!/bin/sh
set -e
## Directory <=> symlink update
## remove symlinks and empty directories:
D="/usr/share/grafana/public/vendor"
if [ -d "$D" ]; then
find "$D" -xdev -type l -delete
find "$D" -xdev -type d -empty -delete
## -printf 'removed %p\n'
fi
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