nixpkgs/pkgs/build-support/setup-hooks/move-docs.sh

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# This setup hook moves $out/{man,doc,info} to $out/share; moves
# $out/share/man to $man/share/man; and moves $out/share/doc to
# $man/share/doc.
preFixupHooks+=(_moveDocs)
_moveToShare() {
forceShare=${forceShare:=man doc info}
if [ -z "$forceShare" -o -z "$out" ]; then return; fi
for d in $forceShare; do
if [ -d "$out/$d" ]; then
if [ -d "$out/share/$d" ]; then
echo "both $d/ and share/$d/ exist!"
else
echo "moving $out/$d to $out/share/$d"
mkdir -p $out/share
mv $out/$d $out/share/
fi
fi
done
}
_moveToOutput() {
local d="$1"
local dst="$2"
if [ -z "$dst" -a ! -e $dst/$d ]; then return; fi
local output
for output in $outputs; do
if [ "${!output}" = "$dst" ]; then continue; fi
if [ -d "${!output}/$d" ]; then
echo "moving ${!output}/$d to $dst/$d"
mkdir -p $dst/share
mv ${!output}/$d $dst/$d
break
fi
done
}
_moveDocs() {
_moveToShare
_moveToOutput share/man "$man"
_moveToOutput share/info "$info"
_moveToOutput share/doc "$doc"
# Remove empty share directory.
if [ -d "$out/share" ]; then
rmdir $out/share 2> /dev/null || true
fi
}