c37a06fe1d
Simplifies the function a bit, but mostly, mkdir -p will never fail if the directory exists, and therefore makepkg never checks to see if it is actually writable. On the other hand, it's unnecessary to check if the directory exists once we know mkdir -p succeeded... Signed-off-by: Eli Schwartz <eschwartz@archlinux.org> Signed-off-by: Allan McRae <allan@archlinux.org>
97 lines
2.3 KiB
Bash
97 lines
2.3 KiB
Bash
#!/bin/bash
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#
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# util.sh - general utility functions
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#
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# Copyright (c) 2006-2018 Pacman Development Team <pacman-dev@archlinux.org>
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# Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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[[ -n "$LIBMAKEPKG_UTIL_UTIL_SH" ]] && return
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LIBMAKEPKG_UTIL_UTIL_SH=1
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##
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# usage : in_array( $needle, $haystack )
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# return : 0 - found
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# 1 - not found
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##
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in_array() {
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local needle=$1; shift
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local item
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for item in "$@"; do
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[[ $item = "$needle" ]] && return 0 # Found
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done
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return 1 # Not Found
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}
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# tests if a variable is an array
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is_array() {
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local v=$1
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local ret=1
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if [[ $(declare -p "$v") == declare\ -*([[:alnum:]])a*([[:alnum:]])\ * ]]; then
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ret=0
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fi
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return $ret
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}
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# Canonicalize a directory path if it exists
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canonicalize_path() {
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local path="$1";
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if [[ -d $path ]]; then
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(
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cd_safe "$path"
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pwd -P
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)
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else
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printf "%s\n" "$path"
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fi
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}
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dir_is_empty() {
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(
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shopt -s dotglob nullglob
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files=("$1"/*)
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(( ${#files} == 0 ))
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)
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}
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cd_safe() {
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if ! cd "$1"; then
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error "$(gettext "Failed to change to directory %s")" "$1"
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plain "$(gettext "Aborting...")"
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exit 1
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fi
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}
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# Try to create directory if one does not yet exist. Fails if the directory
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# exists but has no write permissions, or if there is an existing file with
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# the same name.
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ensure_writable_dir() {
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local dirtype="$1" dirpath="$2"
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if ! mkdir -p "$dirpath" 2>/dev/null; then
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error "$(gettext "Failed to create the directory \$%s (%s).")" "$dirtype" "$dirpath"
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return 1
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elif [[ ! -w $dirpath ]]; then
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error "$(gettext "You do not have write permission for the directory \$%s (%s).")" "$dirtype" "$dirpath"
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return 1
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fi
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return 0
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}
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