Set more informative page titles

For many pages where previously the title was just "Guix Data Service".

Signed-off-by: Christopher Baines <mail@cbaines.net>

guix-data-service/web/build-server/html.scm

@@ -27,7 +27,11 @@
 (define (view-build query-parameters
                     build
                     required-failed-builds)
+  (define page-header "Build")
+
   (layout
+   #:title
+   page-header
    #:body
    `(,(header)
      (div
@@ -36,7 +40,7 @@
        (@ (class "row"))
        (div
         (@ (class "col-sm-12"))
-        (h1 "Build")))
+        (h1 ,page-header)))
       (div
        (@ (class "row"))
        ,@(match build
@@ -98,7 +102,11 @@
             '())))))
 
 (define (view-build-servers build-servers)
+  (define page-header "Build servers")
+
   (layout
+   #:title
+   page-header
    #:body
    `(,(header)
      (div
@@ -107,7 +115,7 @@
        (@ (class "row"))
        (div
         (@ (class "col-sm-12"))
-        (h2 "Build servers")
+        (h2 ,page-header)
         ,@(map
            (match-lambda
              ((id url lookup-all-derivations? lookup-builds?)
@@ -127,7 +135,11 @@
            build-servers)))))))
 
 (define (view-build-server build-server)
+  (define page-header "Build server")
+
   (layout
+   #:title
+   page-header
    #:body
    `(,(header)
      (div
@@ -136,7 +148,7 @@
        (@ (class "row"))
        (div
         (@ (class "col-sm-12"))
-        (h2 "Build server")
+        (h2 ,page-header)
         ,(match build-server
            ((url lookup-all-derivations?)
             `(dl
@@ -150,7 +162,11 @@
                        "No")))))))))))
 
 (define (view-signing-key sexp)
+  (define page-header "Signing key")
+
   (layout
+   #:title
+   page-header
    #:body
    `(,(header)
      (div
@@ -159,5 +175,5 @@
        (@ (class "row"))
        (div
         (@ (class "col-sm-12"))
-        (h2 "Signing key")
+        (h2 ,page-header)
         ,(sexp-div sexp)))))))

guix-data-service/web/build/html.scm

@@ -29,7 +29,11 @@
                      valid-targets
                      stats
                      builds)
+  (define page-header "Builds")
+
   (layout
+   #:title
+   page-header
    #:body
    `(,(header)
      (div
@@ -38,7 +42,7 @@
        (@ (class "row"))
        (div
         (@ (class "col-sm-12"))
-        (h1 "Builds")
+        (h1 ,page-header)
         (table
          (@ (class "table"))
          (thead

guix-data-service/web/compare/html.scm

@@ -97,6 +97,11 @@
       (query-parameters->string query-parameters)))
 
   (layout
+   #:title
+   (if invalid-query?
+       "Compare"
+       (string-append "Comparing " (string-take base-commit 8) " and "
+                      (string-take target-commit 8)))
    #:body
    `(,(header)
      (div
@@ -420,6 +425,8 @@
               (style "font-size: 1.5em; padding-right: 0.4em;"))))
 
   (layout
+   #:title
+   "Comparing derivations"
    #:body
    `(,(header)
      (div
@@ -685,7 +692,11 @@
   (define fields
     (assq-ref query-parameters 'field))
 
+  (define page-header "Package derivation changes")
+
   (layout
+   #:title
+   page-header
    #:body
    `(,(header)
      (div
@@ -835,7 +846,7 @@ enough builds to determine a change")))
        (@ (class "row"))
        (div
         (@ (class "col-sm-12"))
-        (h1 "Package derivation changes")
+        (h1 ,page-header)
         ,(if
           (null? derivation-changes)
           '(p "No derivation changes")
@@ -950,7 +961,14 @@ enough builds to determine a change")))
     (string-append "?base_commit=" base-commit
                    "&target_commit=" target-commit))
 
+  (define page-header
+    (string-append "Comparing "
+                   (string-take base-commit 8) " and "
+                   (string-take target-commit 8)))
+
   (layout
+   #:title
+   page-header
    #:body
    `(,(header)
      (div
@@ -1042,7 +1060,11 @@ enough builds to determine a change")))
                                           #:optional
                                           base-revision-details
                                           target-revision-details)
+  (define page-header "System test derivation changes")
+
   (layout
+   #:title
+   page-header
    #:body
    `(,(header)
      (div
@@ -1141,7 +1163,7 @@ enough builds to determine a change")))
        (@ (class "row"))
        (div
         (@ (class "col-sm-12"))
-        (h1 "System test derivation changes")
+        (h1 ,page-header)
         ,(if
           (null? changes)
           '(p "No system test derivation changes")

guix-data-service/web/dumps/html.scm

@@ -22,7 +22,11 @@
   #:export (view-dumps))
 
 (define (view-dumps available-dumps)
+  (define page-header "Database dumps")
+
   (layout
+   #:title
+   page-header
    #:body
    `(,(header)
      (div
@@ -31,7 +35,7 @@
        (@ (class "row"))
        (div
         (@ (class "col-sm-12"))
-        (h1 "Database dumps")))
+        (h1 ,page-header)))
       ,@(map
          (match-lambda
            ((date-string . files)

guix-data-service/web/jobs/html.scm

@@ -30,7 +30,11 @@
                    jobs-and-events
                    recent-events
                    show-next-page?)
+  (define page-header "Jobs")
+
   (layout
+   #:title
+   page-header
    #:body
    `(,(header)
      (div
@@ -40,7 +44,7 @@
        (div
         (@ (class "col-sm-12"))
         (h1 (@ (style "display: inline-block;"))
-            "Jobs")
+            ,page-header)
         (div
          (@ (class "btn-group pull-right")
             (style "margin-top: 1.3rem;")
@@ -189,7 +193,11 @@
 
 (define (view-job-events query-parameters
                          recent-events)
+  (define page-header "Recent events")
+
   (layout
+   #:title
+   page-header
    #:body
    `(,(header)
      (div
@@ -200,7 +208,7 @@
         (@ (class "col-sm-12"))
         (a (@ (href "/jobs"))
            (h3 "Jobs"))
-        (h1 "Recent events")))
+        (h1 ,page-header)))
       (div
        (@ (class "row"))
        (div
@@ -256,7 +264,14 @@
              recent-events)))))))))
 
 (define (view-job-queue jobs-and-events)
+  (define page-header
+    (string-append "Queued jobs ("
+                   (number->string (length jobs-and-events))
+                   ")"))
+
   (layout
+   #:title
+   page-header
    #:body
    `(,(header)
      (div
@@ -267,9 +282,7 @@
         (@ (class "col-sm-12"))
         (a (@ (href "/jobs"))
            (h3 "Jobs"))
-        (h1 "Queued jobs ("
+        (h1 ,page-header)))
-            ,(length jobs-and-events)
-            ")")))
       (div
        (@ (class "row"))
        (div
@@ -330,7 +343,11 @@
                  jobs-and-events)))))))))
 
 (define (view-job job-id query-parameters log)
+  (define page-header (string-append "Job " job-id))
+
   (layout
+   #:title
+   page-header
    #:body
    `(,(header)
      (div
@@ -339,7 +356,7 @@
        (@ (class "row"))
        (div
         (@ (class "col-sm-12"))
-        (h1 "Job " ,job-id)))
+        (h1 ,page-header)))
       (div
        (@ (class "row"))
        (div

guix-data-service/web/nar/html.scm

@@ -22,7 +22,10 @@
   #:export (view-substitutes))
 
 (define (view-substitutes narinfo-signing-public-key)
+  (define page-header "Substitutes")
   (layout
+   #:title
+   page-header
    #:body
    `(,(header)
      (div
@@ -31,7 +34,7 @@
        (@ (class "row"))
        (div
         (@ (class "col-sm-12"))
-        (h1 "Substitutes")
+        (h1 ,page-header)
         ,@(if (canonical-sexp? narinfo-signing-public-key)
               `((h3 "Public key")
                 (pre

guix-data-service/web/package/html.scm

@@ -25,6 +25,8 @@
 
 (define* (view-package name package-version-with-branches)
   (layout
+   #:title
+   (string-append "Package: " name)
    #:body
    `(,(header)
      (div

guix-data-service/web/repository/html.scm

@@ -32,7 +32,11 @@
             view-no-latest-revision))
 
 (define* (view-git-repositories git-repositories)
+  (define page-header "Git repositories")
+
   (layout
+   #:title
+   page-header
    #:body
    `(,(header)
      (div
@@ -41,7 +45,7 @@
        (@ (class "row"))
        (div
         (@ (class "col-md-12"))
-        (h1 "Git repositories")))
+        (h1 ,page-header)))
       ,@(map
          (match-lambda
            ((id label url cgit-base-url)
@@ -65,7 +69,11 @@
 (define* (view-git-repository git-repository-id
                               label url cgit-url-base
                               branches-with-most-recent-commits)
+  (define page-header (string-append "Repository " (string-drop url 8)))
+
   (layout
+   #:title
+   page-header
    #:body
    `(,(header)
      (div
@@ -86,7 +94,11 @@
 
 (define (view-branch git-repository-id
                      branch-name query-parameters branch-commits)
+  (define page-header (string-append branch-name " branch"))
+
   (layout
+   #:title
+   page-header
    #:body
    `(,(header)
      (div
@@ -197,7 +209,11 @@
                              branch-name
                              package-name
                              versions-by-revision-range)
+  (define page-header (string-append package-name " on " branch-name))
+
   (layout
+   #:title
+   page-header
    #:body
    `(,(header)
      (div
@@ -386,6 +402,8 @@
                 (map first derivations-by-revision-range))))
 
   (layout
+   #:title
+   (string-append package-name " package derivations")
    #:body
    `(,(header)
      (div
@@ -636,6 +654,8 @@
                 (map first outputs-by-revision-range))))
 
   (layout
+   #:title
+   (string-append package-name " package outputs")
    #:body
    `(,(header)
      (div
@@ -849,6 +869,8 @@
                                          valid-systems
                                          system-test-history)
   (layout
+   #:title
+   (string-append system-test-name " history")
    #:body
    `(,(header)
      (div
@@ -1016,12 +1038,16 @@
                 '(#f))))))))))))
 
 (define (view-no-latest-revision branch-name)
+  (define page-header "No latest revision")
+
   (layout
+   #:title
+   (string-append page-header " for " branch-name)
    #:body
    `(,(header)
      (div
       (@ (class "container"))
-      (h1 "No latest revision")
+      (h1 ,page-header)
       (p "No latest revision for "
          (strong (samp ,branch-name))
          " branch")))))

guix-data-service/web/revision/html.scm

@@ -49,6 +49,9 @@
                              query-parameters
                              news-entries)
   (layout
+   #:title
+   (string-append "Channel News Entries - Revision "
+                  (string-take commit-hash 7))
    #:body
    `(,(header)
      (div
@@ -108,6 +111,9 @@
                                 header-text
                                 header-link)
   (layout
+   #:title
+   (string-append "Package: " name " - Revision "
+                  (string-take revision-commit-hash 7))
    #:body
    `(,(header)
      (div
@@ -135,7 +141,7 @@
                                          branch-name))))
                   branches)))
           git-repositories-and-branches)
-        (h1 "Package " ,name)))
+        (h1 "Package: " ,name)))
       (div
        (@ (class "row"))
        (div
@@ -170,6 +176,9 @@
                                             header-link
                                             version-history-link)
   (layout
+   #:title
+   (string-append "Package: " name " @ " version " - Revision "
+                  (string-take revision-commit-hash 7))
    #:body
    `(,(header)
      (div
@@ -224,7 +233,7 @@
                       (role "button"))
                    "Version history"))
               '())
-        (h1 "Package " ,name " @ " ,version)))
+        (h1 "Package: " ,name " @ " ,version)))
       (div
        (@ (class "row"))
        (div
@@ -472,6 +481,8 @@
                         #:key (path-base "/revision/")
                         header-text)
   (layout
+   #:title
+   (string-append "Revision " (string-take commit-hash 7))
    #:body
    `(,(header)
      (div
@@ -548,6 +559,9 @@
        "Home page" "Location" "Licenses")))
 
   (layout
+   #:title
+   (string-append  "Packages - Revision "
+                   (string-take revision-commit-hash 7))
    #:body
    `(,(header)
      (div
@@ -756,6 +770,9 @@
      package-description-counts))
 
   (layout
+   #:title
+   (string-append "Packages translation availability - Revision "
+                  (string-take commit-hash 7))
    #:body
    `(,(header)
      (div
@@ -836,6 +853,8 @@
                                      #:key (path-base "/revision/")
                                      header-text header-link)
   (layout
+   #:title
+   (string-append  "System tests - Revision " (string-take commit-hash 7))
    #:body
    `(,(header)
      (div
@@ -937,6 +956,9 @@
                                           #:key (path-base "/revision/")
                                           header-text header-link)
   (layout
+   #:title
+   (string-append "Channel instances - Revision "
+                  (string-take commit-hash 7))
    #:body
    `(,(header)
      (div
@@ -1217,6 +1239,9 @@ figure {
                 colours))))))
 
   (layout
+   #:title
+   (string-append "Package substitute availability - Revision "
+                  (string-take revision-commit-hash 7))
    #:body
    `(,(header)
      (style ,chart-css)
@@ -1255,6 +1280,9 @@ figure {
                                                 header-text
                                                 header-link)
   (layout
+   #:title
+   (string-append  "Package reproducibility - Revision "
+                   (string-take revision-commit-hash 7))
    #:body
    `(,(header)
      (style "
@@ -1522,6 +1550,9 @@ figure {
     (assq-ref query-parameters 'field))
 
   (layout
+   #:title
+   (string-append  "Package derivations - Revision "
+                   (string-take commit-hash 7))
    #:body
    `(,(header)
      (div
@@ -1703,6 +1734,9 @@ figure {
       ))
 
   (layout
+   #:title
+   (string-append  "Fixed output package derivations - Revision "
+                   (string-take commit-hash 7))
    #:body
    `(,(header)
      (div
@@ -1843,6 +1877,9 @@ figure {
          build-server-urls))
 
   (layout
+   #:title
+   (string-append "Package derivation outputs - Revision "
+                  (string-take commit-hash 7))
    #:body
    `(,(header)
      (div
@@ -2022,6 +2059,8 @@ figure {
                               stats
                               builds)
   (layout
+   #:title
+   (string-append  "Builds - Revision " (string-take commit-hash 7))
    #:body
    `(,(header)
      (div
@@ -2159,6 +2198,9 @@ figure {
      '("Linter" "Message" "Location")))
 
   (layout
+   #:title
+   (string-append "Lint warnings - Revision "
+                  (string-take revision-commit-hash 7))
    #:body
    `(,(header)
      (div
@@ -2314,7 +2356,11 @@ figure {
 
 (define (unknown-revision commit-hash job git-repositories-and-branches
                           jobs-and-events)
+  (define page-header "Unknown revision")
+
   (layout
+   #:title
+   page-header
    #:body
    `(,(header)
      (div
@@ -2347,13 +2393,16 @@ figure {
                 (strong (@ (class "text-center")
                            (style "font-size: 2em; display: block;"))
                         "Unknown"))))
-            `((h1 "Unknown revision")
+            `((h1 ,page-header)
               (p "No known revision with commit "
                  (strong (samp ,commit-hash)))))))))
 
 (define (unprocessed-revision commit-hash job git-repositories-and-branches
                               jobs-and-events)
+  (define page-header "Unknown revision")
   (layout
+   #:title
+   page-header
    #:body
    `(,(header)
      (div
@@ -2375,6 +2424,6 @@ figure {
                        git-repositories-and-branches
                        commit-hash))
                 ,@(view-revision/jobs-and-events jobs-and-events))))
-            `((h1 "Unknown revision")
+            `((h1 ,page-header)
               (p "No known revision with commit "
                  (strong (samp ,commit-hash)))))))))

guix-data-service/web/view/html.scm

@@ -65,13 +65,15 @@
 (define* (layout #:key
                  (head '())
                  (body '())
-                 (title "Guix Data Service")
+                 title
                  description)
   `((doctype "html")
     (html
      (@ (lang "en"))
      (head
-      (title ,title)
+      (title ,(if title
+                  (string-append title " — Guix Data Service")
+                  "Guix Data Service"))
       (meta (@ (http-equiv "Content-Type")
                (content "text/html; charset=UTF-8")))
       (meta (@ (name "viewport")
@@ -286,8 +288,7 @@
 (define (index git-repositories-and-revisions)
   (layout
    #:description
-   "The Guix Data Service processes, stores and provides data about Guix over
+   "The Guix Data Service processes, stores and provides data about Guix over time."
-time."
    #:body
    `(,(header)
      (div
@@ -334,7 +335,10 @@ time."
          git-repositories-and-revisions)))))
 
 (define (view-statistics guix-revisions-count derivations-count)
+  (define page-header "Statistics")
   (layout
+   #:title
+   page-header
    #:body
    `(,(header)
      (div