branch master updated (f1f6e49 -> 20c08a8)

[guix-commits]

cbaines pushed a change to branch master
in repository guix.

    from f1f6e49  gnu: star: Update to 2.7.8a.
     new fbd61b5  substitute: Remove buffer handling from fetch.
     new 08acee2  substitute: Remove connection handling from fetch.
     new 8773450  substitute: Remove redundant let block from fetch.
     new e2e853d  guix: Move http-multiple-get to (guix http-client).
     new 205833b  http-client: Add error handling to http-multiple-get.
     new f50b501  substitute: open-connection-for-uri/maybe add 
#:verify-certificate?.
     new 7b812f7  substitute: Stop using call-with-cached-connection in 
fetch-narinfos.
     new 05f38ca  http-client: Accept #:open-connection in http-fetch.
     new f50f575  substitute: Change connection cache handling in 
process-substitution.
     new 7c85877  substitute: Remove now redundant connection caching helpers.
     new b9d058e  substitute: Remove redundant fetch arguments.
     new 8116cc6  substitute: Inline fetch in to process-substitutes.
     new 187e970  substitute: Remove fetch-narinfos use 
open-connection-for-uri/maybe.
     new 20c08a8  substitute: Rework connection error handling.

The 14 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "add" were already present in the repository and have only
been added to this reference.


Summary of changes:
 guix/http-client.scm        | 123 +++++++++++++++++++++-
 guix/scripts/substitute.scm | 242 ++++++++++++--------------------------------
 2 files changed, 183 insertions(+), 182 deletions(-)