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Python/Ruby: forward to generic prepare-db-upgrade.sh
This commit is contained in:
Nick Rolfe
@@ -1,107 +0,0 @@
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#!/bin/sh
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#
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# Prepare the downgrade script directory for a Python database schema downgrade.
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set -e
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set -u
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app_name="$(basename "$0")"
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usage()
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{
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exit_code="$1"
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shift
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cat >&2 <<EOF
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${app_name}: $@
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${app_name}: Generate skeleton downgrade script.
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Usage: ${app_name} [--prev_hash <COMMITISH>]"
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--prev-hash <COMMITISH>
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Hash/branch to use to get SHA1 for previous DB scheme.
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Default: origin/main
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Must be run within the git repo needing an update.
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EOF
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exit "${exit_code}"
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}
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prev_hash="origin/main"
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while [ $# -gt 0 ]; do
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case "$1" in
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-x)
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set -x
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;;
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-h | --help)
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usage 0
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;;
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--prev-hash)
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if [ $# -eq 1 ]; then
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usage 2 "--prev-hash requires Commit/Branch option"
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fi
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shift
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prev_hash="$1"
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;;
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--)
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shift
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break
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;;
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-*)
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usage 2 "Unrecognised option: $1"
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;;
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*)
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break
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;;
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esac
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shift
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done
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if [ $# -gt 0 ]; then
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usage 2 "Unrecognised operand: $1"
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fi
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scheme_file_name="semmlecode.python.dbscheme"
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scheme_file="ql/lib/${scheme_file_name}"
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downgrade_root="ql/downgrades"
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check_hash_valid()
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{
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if [ ${#2} -ne 40 ]; then
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echo "Did not get expected $1 hash: $2" >&2
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exit 2
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fi
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}
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# Get the hash of the previous and current DB Schema files
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prev_hash="$(git show "${prev_hash}:python/${scheme_file}" | git hash-object --stdin)"
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check_hash_valid previous "${prev_hash}"
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current_hash="$(git hash-object "${scheme_file}")"
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check_hash_valid current "${current_hash}"
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if [ "${current_hash}" = "${prev_hash}" ]; then
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echo "No work to be done."
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exit
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fi
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# Copy current and new dbscheme into the downgrade dir
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downgradedir="${downgrade_root}/${current_hash}"
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mkdir -p "${downgradedir}"
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cp "${scheme_file}" "${downgradedir}/old.dbscheme"
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git cat-file blob "${prev_hash}" > "${downgradedir}/${scheme_file_name}"
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# Create the template downgrade.properties file.
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cat <<EOF > "${downgradedir}/downgrade.properties"
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description: <INSERT DESCRIPTION HERE>
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compatibility: full|backwards|partial|breaking
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EOF
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# Tell user what we've done
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cat <<EOF
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Created downgrade directory here:
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${downgradedir}
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Please update:
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${downgradedir}/downgrade.properties
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with appropriate downgrade instructions
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EOF
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@@ -1,106 +1,8 @@
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#!/bin/sh
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#
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# Prepare the upgrade script directory for a Python database schema upgrade.
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# Prepare the upgrade script directory for a Python database schema upgrade. Now
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# just forwards to the language-independent script.
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set -e
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set -u
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app_name="$(basename "$0")"
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usage()
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{
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exit_code="$1"
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shift
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cat >&2 <<EOF
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${app_name}: $@
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${app_name}: Generate skeleton upgrade script.
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Usage: ${app_name} [--prev_hash <COMMITISH>]"
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--prev-hash <COMMITISH>
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Hash/branch to use to get SHA1 for previous DB scheme.
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Default: origin/main
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Must be run within the git repo needing an update.
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EOF
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exit "${exit_code}"
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}
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prev_hash="origin/main"
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while [ $# -gt 0 ]; do
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case "$1" in
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-x)
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set -x
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;;
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-h | --help)
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usage 0
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;;
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--prev-hash)
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if [ $# -eq 1 ]; then
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usage 2 "--prev-hash requires Commit/Branch option"
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fi
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shift
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prev_hash="$1"
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;;
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--)
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shift
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break
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;;
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-*)
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usage 2 "Unrecognised option: $1"
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;;
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*)
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break
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;;
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esac
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shift
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done
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if [ $# -gt 0 ]; then
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usage 2 "Unrecognised operand: $1"
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fi
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scheme_file="ql/lib/semmlecode.python.dbscheme"
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upgrade_root="ql/upgrades"
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check_hash_valid()
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{
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if [ ${#2} -ne 40 ]; then
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echo "Did not get expected $1 hash: $2" >&2
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exit 2
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fi
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}
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# Get the hash of the previous and current DB Schema files
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prev_hash="$(git show "${prev_hash}:python/${scheme_file}" | git hash-object --stdin)"
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check_hash_valid previous "${prev_hash}"
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current_hash="$(git hash-object "${scheme_file}")"
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check_hash_valid current "${current_hash}"
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if [ "${current_hash}" = "${prev_hash}" ]; then
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echo "No work to be done."
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exit
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fi
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# Copy current and new dbscheme into the upgrade dir
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upgradedir="${upgrade_root}/${prev_hash}"
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mkdir -p "${upgradedir}"
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cp "${scheme_file}" "${upgradedir}"
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git cat-file blob "${prev_hash}" > "${upgradedir}/old.dbscheme"
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# Create the template upgrade.properties file.
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cat <<EOF > "${upgradedir}/upgrade.properties"
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description: <INSERT DESCRIPTION HERE>
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compatibility: full|backwards|partial|breaking
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EOF
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# Tell user what we've done
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cat <<EOF
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Created upgrade directory here:
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${upgradedir}
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Please update:
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${upgradedir}/upgrade.properties
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with appropriate upgrade instructions
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EOF
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set -eu
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app_dir="$(dirname "$0")"
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"${app_dir}/../../misc/scripts/prepare-db-upgrade.sh" --lang python "$@"
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