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test tmpfiles: add a test for 'w+'

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This commit is contained in:
Franck Bui 2022-04-08 08:32:04 +02:00
parent 9af74e0f59
commit 9f55d48ba5
1 changed files with 11 additions and 1 deletions
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12
test/units/testsuite-22.03.sh
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@ -186,6 +186,7 @@ test ! -e /tmp/F/daemon/unsafe-symlink/exploit
# 'w'
#
touch /tmp/w/overwritten
touch /tmp/w/appended
### nop if the target does not exist.
systemd-tmpfiles --create - <<EOF
@ -205,13 +206,22 @@ EOF
test -f /tmp/w/overwritten
test "$(< /tmp/w/overwritten)" = "old content"
### new content is overwritten
### old content is overwritten
systemd-tmpfiles --create - <<EOF
w /tmp/w/overwritten 0644 - - - new content
EOF
test -f /tmp/w/overwritten
test "$(< /tmp/w/overwritten)" = "new content"
### append lines
systemd-tmpfiles --create - <<EOF
w+ /tmp/w/appended 0644 - - - 1
w+ /tmp/w/appended 0644 - - - 2\n
w+ /tmp/w/appended 0644 - - - 3
EOF
test -f /tmp/w/appended
test "$(< /tmp/w/appended)" = "$(echo -ne '12\n3')"
### writing into an 'exotic' file should be allowed.
systemd-tmpfiles --create - <<EOF
w /dev/null - - - - new content