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authorDaniel J Walsh <dwalsh@redhat.com>2020-12-09 07:03:51 -0500
committerDaniel J Walsh <dwalsh@redhat.com>2020-12-09 16:01:13 -0500
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Add --filter to podman system prune
Also document the allowable filters in podman system prune, podman image prune and podman container prune. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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diff --git a/docs/source/markdown/podman-image-prune.1.md b/docs/source/markdown/podman-image-prune.1.md
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+++ b/docs/source/markdown/podman-image-prune.1.md
@@ -22,6 +22,17 @@ Remove dangling images and images that have no associated containers.
Provide filter values.
+The --filter flag format is of “key=value”. If there is more than one filter, then pass multiple flags (e.g., --filter "foo=bar" --filter "bif=baz")
+
+Supported filters:
+
+- `until` (_timestamp_) - only remove containers and images created before given timestamp
+- `label` (label=_key_, label=_key=value_, label!=_key_, or label!=_key=value_) - only remove containers and images, with (or without, in case label!=... is used) the specified labels.
+
+The until filter can be Unix timestamps, date formatted timestamps, or Go duration strings (e.g. 10m, 1h30m) computed relative to the machine’s time.
+
+The label filter accepts two formats. One is the label=... (label=_key_ or label=_key=value_), which removes images with the specified labels. The other format is the label!=... (label!=_key_ or label!=_key=value_), which removes images without the specified labels.
+
#### **--force**, **-f**
Do not provide an interactive prompt for container removal.
@@ -93,3 +104,4 @@ podman(1), podman-images
## HISTORY
December 2018, Originally compiled by Brent Baude (bbaude at redhat dot com)
+December 2020, converted filter information from docs.docker.com documentation by Dan Walsh (dwalsh at redhat dot com)