Fix resolving PGMODELER_ROOT from pgmodeler.vars #1193
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When pgmodeler.vars is source'd the
$0
variable expands to '-bash'which causes
readlink
to fail andPGMODELER_ROOT
being set to the wrongdirectory.
This is fixed by using a while loop that recursively changes directory
following symlinks along the way util it reaches the end and then reads
the current working directory.
For more info, see:
https://gist.github.com/TheMengzor/968e5ea87e99d9c41782