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d60b2922ff
In documentation and comments, don’t assume that secondary storage devices are disk devices. Similarly, don’t assume that main memory uses magnetic cores, which became obsolete in the 1970s. * src/du.c (usage): * src/ls.c (usage): * src/shred.c (usage): Reword to avoid “disk” in usage messages.
56 lines
1.7 KiB
Bash
56 lines
1.7 KiB
Bash
#!/bin/sh
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# Use stat to find a writable directory on a file system different from that
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# of the current directory. If one is found, create a temporary directory
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# inside it.
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# Copyright (C) 1998-2021 Free Software Foundation, Inc.
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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 3 of the License, or
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# (at your option) any later version.
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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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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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test "${CANDIDATE_TMP_DIRS+set}" = set \
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|| CANDIDATE_TMP_DIRS="$TMPDIR /tmp /dev/shm /var/tmp /usr/tmp $HOME"
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other_partition_tmpdir=
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dot_mount_point=$(stat -c %d .)
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for d in $CANDIDATE_TMP_DIRS; do
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# Skip nonexistent directories.
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test -d "$d" || continue
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d_mount_point=$(stat -L -c %d "$d")
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# Same partition? Skip it.
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test "x$d_mount_point" = "x$dot_mount_point" && continue
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# See if we can create a directory in it.
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if mkdir "$d/tmp$$" > /dev/null 2>&1; then
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other_partition_tmpdir="$d/tmp$$"
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break
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fi
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done
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if test -z "$other_partition_tmpdir"; then
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skip_ \
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"requires a writable directory on a different file system,
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and I couldn't find one. I tried these:
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$CANDIDATE_TMP_DIRS
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Set your environment variable CANDIDATE_TMP_DIRS to make
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this test use a different list."
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fi
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test "$VERBOSE" = yes && set -x
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