16080: Writeup of CONTRIBUTING.md

[arvados.git] / COPYING

diff --git a/COPYING b/COPYING
index af63e41e01d33e195da2abc1d55d82db2d6a6c70..c549d8a7bbc92e27983efaa97ad6cb2ae6671cac 100644 (file)
--- a/COPYING
+++ b/COPYING
@@ -1,2 +1,23 @@
-This code is licenced under the GNU Affero General Public License version 3
-(see agpl-3.0.txt)
+Unless indicated otherwise in the header of the file, the files in this
+repository are distributed under one of three different licenses: AGPL-3.0,
+Apache-2.0 or CC-BY-SA-3.0.
+
+Individual files contain an SPDX tag that indicates the license for the file.
+These are the three tags in use:
+
+    SPDX-License-Identifier: AGPL-3.0
+    SPDX-License-Identifier: Apache-2.0
+    SPDX-License-Identifier: CC-BY-SA-3.0
+
+This enables machine processing of license information based on the SPDX
+License Identifiers that are available here: http://spdx.org/licenses/
+
+The full license text for each license is available in this directory:
+
+  AGPL-3.0:     agpl-3.0.txt
+  Apache-2.0:   apache-2.0.txt
+  CC-BY-SA-3.0: cc-by-sa-3.0.txt
+
+As a general rule, code in the sdk/ directory is licensed Apache-2.0,
+documentation in the doc/ directory is licensed CC-BY-SA-3.0, and
+everything else is licensed AGPL-3.0.
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