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Add truncate: to StandardOutput= etc.

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This adds the ability to specify truncate:PATH for StandardOutput= and
StandardError=, similar to the existing append:PATH. The code is mostly
copied from the related append: code. Fixes #8983.
This commit is contained in:
Lucas Werkmeister
2021-01-14 22:32:55 +01:00
committed by Lennart Poettering
parent e2ebc406ac
commit 8d7dab1fda
9 changed files with 80 additions and 14 deletions
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13
test/test-execute/exec-standardoutput-truncate.service Normal file
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[Unit]
Description=Test for StandardOutput=truncate:
[Service]
ExecStartPre=sh -c 'printf "hello\n" > /tmp/test-exec-standardoutput-output'
ExecStartPre=sh -c 'printf "hi\n" > /tmp/test-exec-standardoutput-expected'
StandardInput=data
StandardInputText=hi
StandardOutput=truncate:/tmp/test-exec-standardoutput-output
StandardError=null
ExecStart=cat
ExecStartPost=cmp /tmp/test-exec-standardoutput-output /tmp/test-exec-standardoutput-expected
Type=oneshot