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520b92ad7e
Emerge flags are cryptic in general, but short flags even more so, so expand them. While at it, I noticed some places where bash arrays could be used, so convert those places too.
63 lines
1.8 KiB
Bash
63 lines
1.8 KiB
Bash
# Copyright © Microsoft Corporation
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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get_versions_from_equery() {
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local equery_cmd="${1}"
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local pkg="${2}"
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"${equery_cmd}" --quiet --no-color list --format='${version} ${fullversion}' "${pkg}"
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}
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filter_out_too_new() {
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local version="${1}"
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local line
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local other
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local otherfull
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local result
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while read -r line; do
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other=$(echo "${line}" | cut -d' ' -f1)
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otherfull=$(echo "${line}" | cut -d' ' -f2)
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result=$(printf '%s\n%s\n' "${version}" "${other}" | sort --version-sort | head --lines 1)
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if [[ "${result}" != "${version}" ]]; then
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echo "${otherfull}"
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fi
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done
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}
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# Remove hard blocks using passed emerge and equery commands, and a
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# list of packages to be dropped. A package is specified as full
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# package name and a version, separated by a colon. All packages with
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# this name and with a lower version will be forcibly removed.
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#
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# Example invocation:
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#
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# $ remove_hard_blocks \
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# emerge-amd64-usr equery-amd64-usr \
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# dev-python/setuptools_scm:2
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remove_hard_blocks() {
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local emerge_cmd="${1}"
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local equery_cmd="${2}"
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local pkg_ver
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local line
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local pkg
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local version
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local -a pkgs_to_drop
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shift 2
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for pkg_ver; do
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pkg=$(echo "${pkg_ver}" | cut -d: -f1)
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version=$(echo "${pkg_ver}" | cut -d: -f2)
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while read -r line; do
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pkgs_to_drop+=("${pkg}-${line}")
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done < <(get_versions_from_equery "${equery_cmd}" "${pkg}" | filter_out_too_new "${version}")
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done
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if [[ ${#pkgs_to_drop[@]} -gt 0 ]]; then
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info "Dropping the following packages to avoid hard blocks: ${pkgs_to_drop[@]}"
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"${emerge_cmd}" --unmerge "${pkgs_to_drop[@]}"
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else
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info "No hard blockers to remove"
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fi
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}
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