feat(postgres): add pg as alias

pg/README.md

@@ -0,0 +1,11 @@
+---
+title: PG (Postgres alias)
+homepage: https://webinstall.dev/postgres
+tagline: |
+  Alias for https://webinstall.dev/postgres
+alias: postgres
+description: |
+  See https://webinstall.dev/postgres
+---
+
+Alias for https://webinstall.dev/postgres

pg/install.sh

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+#!/bin/sh
+# shellcheck disable=SC2034
+
+__init_pg() {
+    set -e
+    set -u
+
+    ##################################
+    # Install postgres server+client #
+    ##################################
+
+    # Every package should define these 6 variables
+    pkg_cmd_name="postgres"
+
+    pkg_dst_cmd="${HOME}/.local/opt/postgres/bin/postgres"
+    pkg_dst_bin="${HOME}/.local/opt/postgres/bin"
+    pkg_dst_dir="${HOME}/.local/opt/postgres"
+    pkg_dst="${pkg_dst_dir}"
+
+    pkg_src_cmd="${HOME}/.local/opt/postgres-v${WEBI_VERSION}/bin/postgres"
+    pkg_src_dir="${HOME}/.local/opt/postgres-v${WEBI_VERSION}"
+    pkg_src="${pkg_src_dir}"
+
+    POSTGRES_DATA_DIR=$HOME/.local/share/postgres/var
+
+    pkg_get_current_version() {
+        # 'postgres --version' has output in this format:
+        #       postgres (PostgreSQL) 17.0
+        # This trims it down to just the version number:
+        #       17.0
+        postgres --version 2> /dev/null | head -n 1 | cut -d' ' -f3
+    }
+
+    pkg_install() {
+        # mkdir -p $HOME/.local/opt
+        mkdir -p "$(dirname "$pkg_src")"
+
+        # mv ./postgres-17 "$HOME/.local/opt/postgres-v17.0"
+        mv ./"postgres-"* "$pkg_src"
+    }
+
+    pkg_post_install() {
+        webi_path_add "$pkg_dst_bin"
+
+        #echo "Initializing PostgreSQL with database at $POSTGRES_DATA_DIR/"
+
+        PWFILE="$(pwd)/pwfile.tmp"
+        mkdir -p "$POSTGRES_DATA_DIR"
+        chmod 0700 "$POSTGRES_DATA_DIR"
+
+        if ! test -f "$POSTGRES_DATA_DIR/postgresql.conf"; then
+            echo "postgres" > "$PWFILE"
+            "$pkg_src/bin/initdb" \
+                -D "$POSTGRES_DATA_DIR/" \
+                --username postgres --pwfile "$PWFILE" \
+                --auth-local=password --auth-host=password
+        fi
+    }
+
+    pkg_done_message() {
+        # TODO show with serviceman
+        echo "    Installed $(t_pkg "$pkg_cmd_name v$WEBI_VERSION") (and $(t_pkg "psql")) to $(t_link "$(fn_sub_home "${pkg_dst_bin}")")"
+        echo ""
+        echo "IMPORTANT!!!"
+        echo ""
+        echo "Database initialized at $POSTGRES_DATA_DIR:"
+        echo "    postgres -D $POSTGRES_DATA_DIR -p 5432"
+        echo ""
+        echo "Username and password set to 'postgres':"
+        echo "    psql 'postgres://postgres:postgres@localhost:5432/postgres'"
+        echo ""
+    }
+}
+
+__init_pg

pg/releases.js

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+'use strict';
+
+let Releases = module.exports;
+
+var Github = require('../_common/github.js');
+var owner = 'bnnanet';
+var repo = 'postgresql-releases';
+
+Releases.latest = async function () {
+  let all = await Github.getDistributables(null, owner, repo);
+
+  /** @type {Array<Awaited<ReturnType<typeof Github.getDistributables>>>[Number]["releases"]} */
+  let distributables = [];
+  for (let dist of all.releases) {
+    let isBaseline = dist.name.includes('baseline');
+    if (isBaseline) {
+      continue;
+    }
+
+    let isServer = dist.name.includes('postgres');
+    if (!isServer) {
+      continue;
+    }
+
+    // REL_17_0 => 17.0
+    dist.version = dist.version.replace(/REL_/g, '');
+    dist.version = dist.version.replace(/_/g, '.');
+
+    let isHardMusl = dist.name.includes('musl');
+    if (isHardMusl) {
+      Object.assign(dist, { libc: 'musl', _musl: true });
+    }
+    distributables.push(dist);
+  }
+
+  all.releases = distributables;
+
+  Object.assign(all, { _names: ['postgres', 'postgresql', 'pgsql', 'psql'] });
+
+  return all;
+};
+
+if (module === require.main) {
+  Releases.latest().then(function (all) {
+    let normalize = require('../_webi/normalize.js');
+    all = normalize(all);
+    let json = JSON.stringify(all, null, 2);
+    console.info(json);
+  });
+}