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author | Luke Shumaker <lukeshu@sbcglobal.net> | 2017-01-30 18:42:31 -0500 |
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committer | Luke Shumaker <lukeshu@sbcglobal.net> | 2017-01-30 18:42:31 -0500 |
commit | 4f9203808ef9607ae27eba3cf77079bbe661fd95 (patch) | |
tree | 4bd6bd4cc388dedbbc74f2b987682b684344f023 /build-aux/write-atomic | |
parent | 4abfdaa8c9fa4646f3ba7e9c1bb1f3eb47061f9d (diff) | |
parent | 16e8d3b92b5e35a5eaee40a7b7fc0279c342886a (diff) |
Merge remote-tracking branch 'autothing/v3/master'
Diffstat (limited to 'build-aux/write-atomic')
-rwxr-xr-x | build-aux/write-atomic | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/build-aux/write-atomic b/build-aux/write-atomic new file mode 100755 index 0000000..ab2a417 --- /dev/null +++ b/build-aux/write-atomic @@ -0,0 +1,21 @@ +#!/usr/bin/env bash +# Copyright (C) 2015-2016 Luke Shumaker +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU Affero General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU Affero General Public License for more details. +# +# You should have received a copy of the GNU Affero General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +outfile=$1 +tmpfile="$(dirname "$outfile")/.tmp.${outfile##*/}.tmp" + +cat > "$tmpfile" || { r=$?; rm -f "$tmpfile"; exit $r; } +mv -f "$tmpfile" "$outfile" |