| 1 | # !kmk_ash
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| 2 | # $Id: RemoveDirFromPath.sh 96407 2022-08-22 17:43:14Z vboxsync $
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| 3 | ## @file
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| 4 | # Shell (bash + kmk_ash) function for removing a directory from the PATH.
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| 5 | #
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| 6 | # Assumes KBUILD_HOST is set.
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| 7 | #
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| 8 |
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| 9 | #
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| 10 | # Copyright (C) 2020-2022 Oracle and/or its affiliates.
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| 11 | #
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| 12 | # This file is part of VirtualBox base platform packages, as
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| 13 | # available from https://www.virtualbox.org.
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| 14 | #
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| 15 | # This program is free software; you can redistribute it and/or
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| 16 | # modify it under the terms of the GNU General Public License
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| 17 | # as published by the Free Software Foundation, in version 3 of the
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| 18 | # License.
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| 19 | #
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| 20 | # This program is distributed in the hope that it will be useful, but
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| 21 | # WITHOUT ANY WARRANTY; without even the implied warranty of
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| 22 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 23 | # General Public License for more details.
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| 24 | #
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| 25 | # You should have received a copy of the GNU General Public License
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| 26 | # along with this program; if not, see <https://www.gnu.org/licenses>.
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| 27 | #
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| 28 | # SPDX-License-Identifier: GPL-3.0-only
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| 29 | #
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| 30 |
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| 31 | ##
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| 32 | # Modifies the PATH variable by removing $1.
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| 33 | #
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| 34 | # @param 1 The PATH separator (":" or ";").
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| 35 | # @param 2 The directory to remove from the path.
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| 36 | RemoveDirFromPath()
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| 37 | {
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| 38 | # Parameters.
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| 39 | local MY_SEP="$1"
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| 40 | local MY_DIR="$2"
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| 41 | if test "${KBUILD_HOST}" = "win"; then
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| 42 | MY_DIR="$(cygpath -u "${MY_DIR}")"
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| 43 | fi
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| 44 |
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| 45 | # Set the PATH components as script argument.
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| 46 | local MY_OLD_IFS="${IFS}"
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| 47 | IFS="${MY_SEP}"
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| 48 | set -- ${PATH}
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| 49 | IFS="${MY_OLD_IFS}"
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| 50 |
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| 51 | # Iterate the components and rebuild the path.
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| 52 | PATH=""
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| 53 | local MY_SEP_PREV=""
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| 54 | local MY_COMPONENT
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| 55 | for MY_COMPONENT
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| 56 | do
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| 57 | if test "${MY_COMPONENT}" != "${MY_DIR}"; then
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| 58 | PATH="${PATH}${MY_SEP_PREV}${MY_COMPONENT}"
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| 59 | MY_SEP_PREV="${MY_SEP}" # Helps not eliminating empty entries.
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| 60 | fi
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| 61 | done
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| 62 | }
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| 63 |
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