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#!/bin/sh
# This systemd generator creates dependency symlinks that make all PostgreSQL
# clusters with "auto" in their start.conf file be started/stopped/reloaded
# when postgresql.service is started/stopped/reloaded.
set -eu
gendir="$1"
wantdir="$1/postgresql.service.wants"
bindir="/usr/lib/postgresql/"
#redhat# bindir="/usr/pgsql-"
pgservice="/lib/systemd/system/postgresql@.service"
mkdir -p "$wantdir"
for conf in /etc/postgresql/*/*/postgresql.conf; do
# abort loop if glob was not expanded (but accept dead symlinks)
if ! test -e "$conf" && ! test -L "$conf"; then continue; fi
dir="${conf%/*}"
# evaluate start.conf
if [ -e "$dir/start.conf" ]; then
start=$(sed 's/#.*$//; /^[[:space:]]*$/d; s/^\s*//; s/\s*$//' "$dir/start.conf")
else
start=auto
fi
[ "$start" = "auto" ] || continue
verdir="${dir%/*}"
version="${verdir##*/}"
test -x "$bindir$version/bin/postgres" || continue # package got removed
cluster="${dir##*/}"
ln -s "$pgservice" "$wantdir/postgresql@$version-$cluster.service"
done
exit 0
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