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02/02: doc: Explain 'guix hash -r' for Git checkouts.
From: |
Ludovic Courtès |
Subject: |
02/02: doc: Explain 'guix hash -r' for Git checkouts. |
Date: |
Wed, 13 Jul 2016 22:00:29 +0000 (UTC) |
civodul pushed a commit to branch master
in repository guix.
commit db97a03a892c662f316c9fd6a497b4b2a18626b3
Author: Ludovic Courtès <address@hidden>
Date: Wed Jul 13 23:51:17 2016 +0200
doc: Explain 'guix hash -r' for Git checkouts.
* doc/guix.texi (origin Reference): Add xref to "guix download" and
"guix hash".
(Invoking guix hash): Provide an example to compute the hash of a Git
checkout.
Co-authored-by: Troy Sankey <address@hidden>
---
doc/guix.texi | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/doc/guix.texi b/doc/guix.texi
index 67ece1d..4b55473 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -2669,6 +2669,7 @@ Examples include:
download a file from the HTTP, HTTPS, or FTP URL specified in the
@code{uri} field;
address@hidden git-fetch
@item @var{git-fetch} from @code{(guix git-download)}
clone the Git version control repository, and check out the revision
specified in the @code{uri} field as a @code{git-reference} object; a
@@ -2686,6 +2687,10 @@ A bytevector containing the SHA-256 hash of the source.
Typically the
@code{base32} form is used here to generate the bytevector from a
base-32 string.
+You can obtain this information using @code{guix download}
+(@pxref{Invoking guix download}) or @code{guix hash} (@pxref{Invoking
+guix hash}).
+
@item @code{file-name} (default: @code{#f})
The file name under which the source code should be saved. When this is
@code{#f}, a sensible default value will be used in most cases. In case
@@ -4569,6 +4574,17 @@ hash (@pxref{Invoking guix archive}).
@c FIXME: Replace xref above with xref to an ``Archive'' section when
@c it exists.
address@hidden git-fetch
+As an example, here is how you would compute the hash of a Git checkout,
+which is useful when using the @code{git-fetch} method (@pxref{origin
+Reference}):
+
address@hidden
+$ git clone http://example.org/foo.git
+$ cd foo
+$ rm -rf .git
+$ guix hash -r .
address@hidden example
@end table
@node Invoking guix import