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97f27f35a5
Add the missing man page options for `podman build`, `podman farm build`, and `podman image build`. These are new to `buildah build` with Buildah v1.41.0. They are: * created-annotation * inherit-annotations * rewrite-timestamp * source-date-epoch * unsetannotation Signed-off-by: tomsweeneyredhat <tsweeney@redhat.com>
29 lines
1.3 KiB
Markdown
29 lines
1.3 KiB
Markdown
####> This option file is used in:
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####> podman build, farm build
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####> If file is edited, make sure the changes
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####> are applicable to all of those.
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#### **--source-date-epoch**=*seconds*
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Set the "created" timestamp for the built image to this number of seconds since
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the epoch (Unix time 0, i.e., 00:00:00 UTC on 1 January 1970) (default is to
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use the value set in the `SOURCE_DATE_EPOCH` environment variable, or the
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current time if it is not set).
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The "created" timestamp is written into the image's configuration and manifest
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when the image is committed, so running the same build two different times
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will ordinarily produce images with different sha256 hashes, even if no other
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changes were made to the Containerfile and build context.
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When this flag is set, a `SOURCE_DATE_EPOCH` build arg will provide its value
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for a stage in which it is declared.
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When this flag is set, the image configuration's "created" timestamp is always
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set to the time specified, which should allow for identical images to be built
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at different times using the same set of inputs.
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When this flag is set, output written as specified to the **--output** flag
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will bear exactly the specified timestamp.
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Conflicts with the similar **--timestamp** flag, which also sets its specified
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time on the contents of new layers.
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