Xiaoxuan Wang

Signed-off-by: wangxiaoxuan273 Resolves #415

docs: document PackManifestOptions to make PackManifest reproducible

3

Resolves #748

**What this PR does / why we need it**: **Which issue(s) this PR fixes** *(optional, in `fixes #(, fixes #, ...)` format, will close the issue(s) when PR gets merged)*:...

feat: update existing index (index update)

1

**What this PR does / why we need it**: `oras manifest index update ` Current status output: ``` root# oras manifest index update wxxdevreg.azurecr.io/test@sha256:2b8bab8c7d73d178fa66c391458e5a441e09ab47bb85c3b4936bd94ac07c9132 --add s390x --add sha256:89fa64341cccaf9b1ede4d06abf5217c785adb6cbb40827f7488db5d97f3d3c8 --remove sha256:a1f5af96aa0a2d2e77bb6f18174353d7fa96700a5fac76a9f460a44f6999330c...

feat: create index from existing manifests (index create)

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**What this PR does / why we need it**: `oras manifest index create` command Current output: ``` ~# oras manifest index create wxxdevreg.azurecr.io/test:tag0,tag1,tag2 amd64 armv7 Fetching amd64 Fetched amd64 Fetching...

oras tag/push should fail fast on invalid input

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Many oras commands require tag or digest input from the user, but in some cases validation is missing. And if invalid tags or digest is given, errors will be returned...

feat: PoC for multi arch image create/update

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Resolves #1053 Private release: https://github.com/wangxiaoxuan273/oras/releases/tag/v1.2.0-multi-arch

refactor: status, metadata and content handlers for `manifest index` commands

2

**What this PR does / why we need it**: Implements output handlers for `manifest index` commands. **Which issue(s) this PR fixes** *(optional, in `fixes #(, fixes #, ...)` format, will...

As mentioned in this [comment](https://github.com/oras-project/oras/pull/1509#discussion_r1796502216), `oras` should have an issue to track handling errors returned by Close() in all write paths.