Module credentials 

Credential layer — Git-compatible credential filling/approval/rejection for library embedders.

This is the reusable core lifted from the CLI’s grit credential command (grit/src/commands/credential.rs). It exposes:

• Credential — a structured credential with the standard Git fields (protocol, host, path, username, password, url) plus parsing/serialization in Git’s key=value\n…\n\n credential wire format (Credential::parse / Credential::serialize).
• CredentialProvider — the pluggable seam an embedder implements (or wraps) to supply credentials.
• HelperCredentialProvider — the Git-compatible default that runs the configured credential.helper / credential.<url>.helper programs (shell !cmd, the built-in store/cache helpers, and external git-credential-* binaries).

Non-interactive by design

Unlike the CLI, HelperCredentialProvider never prompts on a TTY or via askpass. When the configured helpers cannot supply a usable username/password, fill returns a typed Error::Message (see NON_INTERACTIVE_MESSAGE) rather than blocking on /dev/tty. Interactive prompting is an explicitly opt-in concern an embedder can layer on top.

Structs

Credential

A structured Git credential.

HelperCredentialProvider

Git-compatible CredentialProvider that runs the configured credential.helper programs.

Constants

NON_INTERACTIVE_MESSAGE

Message returned (as Error::Message) when credentials are required but no configured helper could supply a complete username/password and interactive prompting is disallowed.

Traits

CredentialProvider

The pluggable credential seam an embedder implements (or wraps).

Functions

use_http_path

Whether credential.useHttpPath (optionally URL-scoped) is enabled.