images/create: handle tag/digest if Tag specified

Podman handles /images/create better when fromImage and Tag are specified. Now the tag/digest value provided in Tag will replace the one in fromImage Fixes: #23938 Signed-off-by: Nicola Sella <[email protected]>
containers · Oct 9, 2024 · 1778a90 · 1778a90
1 parent 8d5ec11
commit 1778a90
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diff --git a/pkg/api/handlers/compat/images.go b/pkg/api/handlers/compat/images.go
@@ -45,6 +45,11 @@ func mergeNameAndTagOrDigest(name, tagOrDigest string) string {
 		// We have a digest, so let's change the separator.
 		separator = "@"
 	}
+	// if both name and tagOrDigest are defined we try to use the tagOrDigest image part and override the tag/digest
+	if len(name) > 0 && strings.Contains(name, separator) {
+		index := strings.LastIndex(name, separator)
+		return fmt.Sprintf("%s%s%s", name[:index], separator, tagOrDigest)
+	}
 	return fmt.Sprintf("%s%s%s", name, separator, tagOrDigest)
 }
 

diff --git a/test/apiv2/10-images.at b/test/apiv2/10-images.at
@@ -112,6 +112,9 @@ fi
 t POST "/images/create?fromImage=quay.io/idonotexist/idonotexist:dummy" $expect_code \
   .message="$expect_msg"
 
+# compat api pull image with fromImage and Tag
+t GET "/images/create?fromImage=alpine:latest&tag=latest" 200 .error~null .status~".*Download complete.*"
+
 # Export an image on the local
 t GET libpod/images/nonesuch/get 404
 t GET libpod/images/$iid/get?format=foo 500