63 lines
2.8 KiB
Bash
63 lines
2.8 KiB
Bash
#!/usr/bin/env bash
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# ------------------------------------------------------------------------------
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# Copyright (c) 2013-2026 Geoffray Levasseur <fatalerrors@geoffray-levasseur.org>
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# Protected by the BSD3 license. Please read bellow for details.
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#
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# * Redistribution and use in source and binary forms,
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# * with or without modification, are permitted provided
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# * that the following conditions are met:
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# *
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# * Redistributions of source code must retain the above
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# * copyright notice, this list of conditions and the
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# * following disclaimer.
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# *
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# * Redistributions in binary form must reproduce the above
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# * copyright notice, this list of conditions and the following
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# * disclaimer in the documentation and/or other materials
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# * provided with the distribution.
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# *
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# * Neither the name of the copyright holder nor the names
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# * of any other contributors may be used to endorse or
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# * promote products derived from this software without
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# * specific prior written permission.
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# *
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# * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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# * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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# * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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# * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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# * OF SUCH DAMAGE.
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# ------------------------------------------------------------------------------
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# Private helpers of profile.d/updates.sh, loaded by the module itself.
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# Check a branch name. It ends up in URLs and in git command lines, so it is
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# restricted to plain ref characters, without a leading "-" or "..".
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# Usage: _updt_valid_branch <name>
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_updt_valid_branch()
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{
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[[ "$1" =~ ^[A-Za-z0-9][A-Za-z0-9._/-]*$ && "$1" != *..* ]]
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}
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# Tell whether the published version $2 is an update for the installed one $1.
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# Versions look like MAJOR.MINOR.PATCH[-REVISION[_STAGE_N]]. The base version
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# (before the first "-" or "_") decides, compared in version order; with the same
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# base, any difference (a new revision, a release candidate becoming final) is
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# an update. Returns 0 when it is, 1 otherwise (equal, or the installed version
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# is the more recent one, as on a development branch).
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# Usage: _updt_is_newer <installed> <published>
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_updt_is_newer()
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{
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local cur="$1" new="$2" cur_base new_base
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[[ "$cur" == "$new" ]] && return 1
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cur_base="${cur%%[-_]*}"
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new_base="${new%%[-_]*}"
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[[ "$cur_base" == "$new_base" ]] && return 0
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[[ "$(printf '%s\n%s\n' "$cur_base" "$new_base" | sort -V | tail -n 1)" == "$new_base" ]]
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}
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