On 17-02-21 22:25:35, Catonano wrote: > Hi Dmitry, > > 2017-02-21 22:19 GMT+01:00 Dmitry Nikolaev <[email protected]>: > > > When writing package definition, what if I download sources from git > > repository? For example: > > > > (define-public libwebsockets > > (package > > (name "libwebsockets") > > (version "1.3") > > (source (origin > > ;; The project does not publish tarballs, so we have to take > > ;; things from Git. > > (method git-fetch) > > (uri (git-reference > > (url "git://git.libwebsockets.org/libwebsockets") > > (commit (string-append "v" version > > "-chrome37-firefox30")))) > > (sha256 > > (base32 > > "12fqh2d2098mgf0ls19p9lzibpsqhv7mc5rn1yvrbfnazmcr40g4")) > > (file-name (string-append name "-" version)))) > > ... > > > > How do I calculate this 12fqh2d...? > > > > Dmitry Nikolaev > > > > You clone the git repository locally, then you use 'guix hash' as explained > in this page of the manual (the option you want to use is "--recursive") > > https://www.gnu.org/software/guix/manual/html_node/Invoking-guix-hash.html
Please avoid doing the way described below though. Calculating it in advance is more secure and helps to prevent introducing errors. If there's a mismatch it shows an error. > Another option is to try to build the package with the wrong hash, wait for > the error message and copy the right hash from within the error message > itself. Lame, but hey > > Hope this helps ! > > Ciao
