Add fetchdb (not installable yet) and custom provider samples

commands/host/fetchdb

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+#!/usr/bin/env bash
+
+## Description: Get latest DB from live site
+## Usage: fetchdb
+## Example: "ddev fetchdb"
+
+if [ -f "${DDEV_APPROOT}/.env" ]; then
+    set -a
+    source "${DDEV_APPROOT}/.env"
+    set +a
+    if [[ $DDEV_UPSTREAM_PROVIDER ]]; then
+        ddev pull $DDEV_UPSTREAM_PROVIDER --skip-files -y
+    else
+	echo "Couldn't identify provider, please use 'ddev pull' manually."
+    fi
+else
+    echo "Couldn't identify provider, please use 'ddev pull' manually."
+fi

scripts/provider-samples/local.yaml

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+# Griffith local file provider configuration.
+
+# This will pull a database dump as provided (and named) by Griffith.
+# The dump must be placed in the project root and follow the naming pattern:
+# griffith-DD-MM-YYYY-TIME.mysql.bz2
+#
+# Examples:
+# - griffith-06-09-2024-0700.mysql.bz2
+# - griffith-04-11-2024-0700.mysql.bz2
+#
+# The script will identify and import the latest DB dump.
+
+db_import_command:
+  command: |
+    set -eu -o pipefail
+    # set -x
+    # List of database dump files
+    files=(griffith-*.mysql.bz2)
+    # Find the latest dump file by sorting day-month-year format
+    latest_dump=$(printf "%s\n" "${files[@]}" | sort -t- -k4,4nr -k3,3nr -k2,2nr | head -n 1)
+    echo "The latest DB dump file is: $latest_dump"
+    ddev import-db --file=$latest_dump
+  service: host

scripts/provider-samples/tibus.yaml

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+# Example rsync provider configuration with ssh tunnels.
+# Based on rsync provider.
+
+# Note that while this is done in the web container (because rsync will always be there)
+# it could also be done on the host, and then you wouldn't need the
+# `ddev auth ssh`
+
+environment_variables:
+  dburl: project.live:/path/to/db/dump/live.gz
+
+auth_command:
+  command: |
+    set -eu -o pipefail
+    ssh-add -l >/dev/null || ( echo "Please 'ddev auth ssh' before running this command." && exit 1 )
+
+db_pull_command:
+  command: |
+    # set -x   # You can enable bash debugging output by uncommenting
+    set -eu -o pipefail
+    rsync -az -vvv -e "ssh -J ${AEGIR_USERNAME}@anrt.vpn" "${dburl}" /var/www/html/.ddev/.downloads/db.sql.gz
+  service: web

scripts/sample.env

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+# Change DDEV_UPSTREAM_PROVIDER to where `ddev pull` should look for a DB.
+# It is used in `.ddev/commands/host/fetchdb`
+# Example values:
+# - platform
+# - pantheon
+# - local
+# - rsync
+
+# DDEV_UPSTREAM_PROVIDER=pantheon