build: Change default substitute server to "ci.guix.gnu.org".

* config-daemon.ac: Replace "ci.guix.info" with "ci.guix.gnu.org".
* doc/guix.texi (SUBSTITUTE-SERVER): Likewise.
* etc/substitutes/ci.guix.gnu.org.pub: New file.
* Makefile.am (dist_pkgdata_DATA): Add it.
* guix/scripts/build.scm (%default-log-urls): Update.
* guix/scripts/substitute.scm (%default-substitute-urls): Likewise.
* guix/store.scm (%default-substitute-urls): Likewise.
* guix/self.scm (miscellaneous-files): Add "ci.guix.gnu.org".

Makefile.am

@@ -487,6 +487,7 @@ check-system: $(GOBJECTS)
 dist_pkgdata_DATA =				\
   etc/substitutes/hydra.gnu.org.pub		\
   etc/substitutes/berlin.guixsd.org.pub		\
+  etc/substitutes/ci.guix.gnu.org.pub		\
   etc/substitutes/ci.guix.info.pub
 
 # Bash completion file.

config-daemon.ac

@@ -120,7 +120,7 @@ if test "x$guix_build_daemon" = "xyes"; then
 
   dnl Determine the appropriate default list of substitute URLs (GnuTLS
   dnl is required so we can default to 'https'.)
-  guix_substitute_urls="https://ci.guix.info"
+  guix_substitute_urls="https://ci.guix.gnu.org"
 
   AC_MSG_CHECKING([for default substitute URLs])
   AC_MSG_RESULT([$guix_substitute_urls])

doc/guix.texi

@@ -17,7 +17,7 @@
 @set BASE-URL https://ftp.gnu.org/gnu/guix
 
 @c The official substitute server used by default.
-@set SUBSTITUTE-SERVER ci.guix.info
+@set SUBSTITUTE-SERVER ci.guix.gnu.org
 @set SUBSTITUTE-URL https://@value{SUBSTITUTE-SERVER}
 
 @copying

etc/substitutes/ci.guix.gnu.org.pub

@@ -0,0 +1 @@
+berlin.guixsd.org.pub

guix/scripts/build.scm

@@ -65,7 +65,7 @@
 
 (define %default-log-urls
   ;; Default base URLs for build logs.
-  '("http://ci.guix.info/log"))
+  '("http://ci.guix.gnu.org/log"))
 
 ;; XXX: The following procedure cannot be in (guix store) because of the
 ;; dependency on (guix derivations).

guix/scripts/substitute.scm

@@ -1061,7 +1061,7 @@ found."
     (#f
      ;; This can only happen when this script is not invoked by the
      ;; daemon.
-     '("http://ci.guix.info"))))
+     '("http://ci.guix.gnu.org"))))
 
 (define substitute-urls
   ;; List of substitute URLs.

guix/self.scm

@@ -588,6 +588,8 @@ load path."
                   ("share/guix/berlin.guixsd.org.pub"
                    ,(file-append* source
                                   "/etc/substitutes/berlin.guixsd.org.pub"))
+                  ("share/guix/ci.guix.gnu.org.pub"  ;alias
+                   ,(file-append* source "/etc/substitutes/berlin.guixsd.org.pub"))
                   ("share/guix/ci.guix.info.pub"  ;alias
                    ,(file-append* source "/etc/substitutes/berlin.guixsd.org.pub")))))
 

guix/store.scm

@@ -746,7 +746,7 @@ encoding conversion errors."
   (map (if (false-if-exception (resolve-interface '(gnutls)))
            (cut string-append "https://" <>)
            (cut string-append "http://" <>))
-       '("ci.guix.info")))
+       '("ci.guix.gnu.org")))
 
 (define* (set-build-options server
                             #:key keep-failed? keep-going? fallback?