36 lines
872 B
Nix
36 lines
872 B
Nix
{ pkgs, config }:
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let
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newPostgres = pkgs.postgresql_16;
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in
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''
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#!${pkgs.yash}/bin/yash
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set -xe
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if [ pgrep postgres ]; then
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echo "Please exit all postgres services and stop postgres!"
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systemctl list-dependencies postgresql.service --reverse
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exit 1;
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fi
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export NEWDATA="/var/lib/postgresql/${newPostgres.psqlSchema}"
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export OLDDATA="${config.services.postgresql.dataDir}"
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if [ "$NEWDATA" == "$OLDDATA" ]; then
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echo "Nothing to upgrade!"
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exit 1;
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fi
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export NEWBIN="${newPostgres}/bin"
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export OLDBIN="${config.services.postgresql.package}/bin"
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install -d -m 0700 -o postgres -g postgres "$NEWDATA"
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cd "$NEWDATA"
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su - postgres -c "$NEWBIN/initdb -D $NEWDATA"
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su - postgres -c "$NEWBIN/pg_upgrade \
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--old-datadir $OLDDATA --new-datadir $NEWDATA \
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--old-bindir $OLDBIN --new-bindir $NEWBIN \
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$@"
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''
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