gnu: Use 'search-input-directory' when looking for tzdata.

* gnu/packages/backup.scm (duplicity)[arguments]: Use
'search-input-directory' for "share/zoneinfo".
* gnu/packages/bioinformatics.scm (pigx-rnaseq): Likewise.
(pigx-bsseq): Likewise.
* gnu/packages/calcurse.scm (calcurse): Likewise.
* gnu/packages/calendar.scm (date): Likewise.
* gnu/packages/compression.scm (lhasa): Likewise.
* gnu/packages/cran.scm (r-rstan): Likewise.
* gnu/packages/django.scm (python-django): Likewise.
* gnu/packages/dlang.scm (ldc-bootstrap): Likewise.
* gnu/packages/finance.scm (ledger): Likewise.
* gnu/packages/glib.scm (glib): Likewise.
* gnu/packages/golang.scm (go-1.4): Likewise.
(go-1.14): Likewise.
* gnu/packages/kde-frameworks.scm (kcalendarcore): Likewise.
(kdelibs4support): Likewise.
* gnu/packages/kodi.scm (kodi): Likewise.
* gnu/packages/mail.scm (mu): Likewise.
* gnu/packages/perl.scm (perl-libtime-parsedate): Likewise.
* gnu/packages/python-xyz.scm (python-robotframework): Likewise.
(python-dparse): Likewise.
* gnu/packages/rrdtool.scm (rrdtool): Likewise.
* gnu/packages/statistics.scm (r-with-tests): Likewise.
* gnu/packages/vim.scm (vim): Likewise.
* gnu/packages/virtualization.scm (ganeti): Likewise.
* gnu/packages/vpn.scm (strongswan): Likewise.
* gnu/packages/xfce.scm (xfce4-panel): Likewise.
* gnu/packages/mate.scm (libmateweather): Use 'search-input-file' for
"share/zoneinfo/zone.tab".

gnu/packages/backup.scm

@@ -136,8 +136,7 @@
            (lambda* (#:key inputs #:allow-other-keys)
              (setenv "HOME" (getcwd))   ; gpg needs to write to $HOME
              (setenv "TZDIR"            ; some timestamp checks need TZDIR
-                     (string-append (assoc-ref inputs "tzdata")
+                     (search-input-directory inputs "share/zoneinfo"))
-                                    "/share/zoneinfo"))
              ;; Some things respect TMPDIR, others hard-code /tmp, and the
              ;; defaults don't match up, breaking test_restart.  Fix it.
              (setenv "TMPDIR" "/tmp")

gnu/packages/bioinformatics.scm

@@ -10324,8 +10324,8 @@ once.  This package provides tools to perform Drop-seq analyses.")
            (lambda* (#:key inputs #:allow-other-keys)
              (setenv "TZ" "UTC+1")
              (setenv "TZDIR"
-                     (string-append (assoc-ref inputs "tzdata")
+                     (search-input-directory inputs
-                                    "/share/zoneinfo")))))))
+                                             "share/zoneinfo")))))))
     (inputs
      `(("coreutils" ,coreutils)
        ("sed" ,sed)
@@ -10475,8 +10475,8 @@ in an easily configurable manner.")
            (lambda* (#:key inputs #:allow-other-keys)
              (setenv "TZ" "UTC+1")
              (setenv "TZDIR"
-                     (string-append (assoc-ref inputs "tzdata")
+                     (search-input-directory inputs
-                                    "/share/zoneinfo")))))))
+                                             "share/zoneinfo")))))))
     (native-inputs
      `(("tzdata" ,tzdata)))
     (inputs

gnu/packages/calcurse.scm

@@ -64,8 +64,8 @@
                   (add-before 'check 'check-setup
                     (lambda* (#:key inputs #:allow-other-keys)
                       (setenv "TZDIR"   ; for test/ical-007.sh
-                              (string-append (assoc-ref inputs "tzdata")
+                              (search-input-directory inputs
-                                             "/share/zoneinfo")))))))
+                                                      "share/zoneinfo")))))))
     (home-page "https://www.calcurse.org")
     (synopsis "Text-based calendar and scheduling")
     (description

gnu/packages/calendar.scm

@@ -96,8 +96,8 @@
              (lambda* (#:key inputs #:allow-other-keys)
                (substitute* "src/tz.cpp"
                  (("/usr/share/zoneinfo")
-                  (string-append (assoc-ref inputs "tzdata") "/share/zoneinfo")))
+                  (search-input-directory inputs
-               #t))
+                                          "share/zoneinfo")))))
            (replace 'check
              (lambda _
                ;; Disable test that requires checking timezone that

gnu/packages/compression.scm

@@ -544,9 +544,9 @@ than gzip and 15 % smaller output than bzip2.")
        (modify-phases %standard-phases
          (add-before 'check 'set-up-test-environment
            (lambda* (#:key inputs #:allow-other-keys)
-             (setenv "TZDIR" (string-append (assoc-ref inputs "tzdata")
+             (setenv "TZDIR"
-                                            "/share/zoneinfo"))
+                     (search-input-directory inputs
-             #t)))))
+                                             "share/zoneinfo")))))))
     (native-inputs
      `(("tzdata" ,tzdata-for-tests)))
     (home-page "https://fragglet.github.com/lhasa/")

gnu/packages/cran.scm

@@ -24171,9 +24171,8 @@ techniques to average Bayesian predictive distributions.")
            (lambda* (#:key inputs #:allow-other-keys)
              (setenv "TZ" "UTC+1")
              (setenv "TZDIR"
-                     (string-append (assoc-ref inputs "tzdata")
+                     (search-input-directory inputs
-                                    "/share/zoneinfo"))
+                                             "share/zoneinfo")))))))
-             #t)))))
     (native-inputs
      `(("tzdata" ,tzdata-for-tests)
        ("pandoc" ,pandoc)

gnu/packages/django.scm

@@ -64,8 +64,7 @@
              ;; The test-suite tests timezone-dependent functions, thus tzdata
              ;; needs to be available.
              (setenv "TZDIR"
-                     (string-append (assoc-ref inputs "tzdata")
+                     (search-input-directory inputs "share/zoneinfo"))
-                                    "/share/zoneinfo"))
 
              ;; Disable test for incorrect timezone: it only raises the
              ;; expected error when /usr/share/zoneinfo exists, even though

gnu/packages/dlang.scm

@@ -125,7 +125,7 @@ and freshness without requiring additional information from the user.")
                  (("echo") (which "echo")))
                (substitute* "runtime/phobos/std/datetime.d"
                  (("/usr/share/zoneinfo/")
-                  (string-append (assoc-ref inputs "tzdata") "/share/zoneinfo"))
+                  (search-input-directory inputs "share/zoneinfo"))
                  (("tzName == \"[+]VERSION\"")
                   "(tzName == \"+VERSION\" || std.algorithm.endsWith(tzName, \"/leapseconds\"))"))
                (substitute* "tests/d2/dmd-testsuite/Makefile"

gnu/packages/finance.scm

@@ -343,8 +343,8 @@ and dynamically with report tools based on filtering and graphical charts.")
            ;; One test fails if it can't set the timezone.
            (lambda* (#:key inputs #:allow-other-keys)
              (setenv "TZDIR"
-                     (string-append (assoc-ref inputs "tzdata")
+                     (search-input-directory inputs
-                                    "/share/zoneinfo"))
+                                             "share/zoneinfo"))
              ;; Skip failing test BaselineTest_cmd-org.
              ;; This is a known upstream issue. See
              ;; https://github.com/ledger/ledger/issues/550

gnu/packages/glib.scm

@@ -1,5 +1,5 @@
 ;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2013, 2014, 2015, 2016, 2019, 2020 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2013, 2014, 2015, 2016, 2019, 2020, 2021 Ludovic Courtès <ludo@gnu.org>
 ;;; Copyright © 2013, 2015 Andreas Enge <andreas@enge.fr>
 ;;; Copyright © 2013 Nikita Karetnikov <nikita@karetnikov.org>
 ;;; Copyright © 2014, 2015, 2016, 2017, 2018, 2021 Mark H Weaver <mhw@netris.org>
@@ -255,9 +255,8 @@ shared NFS home directories.")
            (lambda* (#:key native-inputs inputs outputs #:allow-other-keys)
              ;; For tests/gdatetime.c.
              (setenv "TZDIR"
-                     (string-append (assoc-ref (or native-inputs inputs)
+                     (search-input-directory (or native-inputs inputs)
-                                               "tzdata")
+                                             "share/zoneinfo"))
-                                    "/share/zoneinfo"))
              ;; Some tests want write access there.
              (setenv "HOME" (getcwd))
              (setenv "XDG_CACHE_HOME" (getcwd))

gnu/packages/golang.scm

@@ -1064,7 +1064,7 @@ your Go binary to be later served from an http.FileSystem.")
                     (loader (car (find-files ld "^ld-linux.+")))
                     (net-base (assoc-ref inputs "net-base"))
                     (tzdata-path
-                     (string-append (assoc-ref inputs "tzdata") "/share/zoneinfo"))
+                     (search-input-directory inputs "share/zoneinfo"))
                     (output (assoc-ref outputs "out")))
 
                ;; Removing net/ tests, which fail when attempting to access
@@ -1212,7 +1212,7 @@ in the style of communicating sequential processes (@dfn{CSP}).")
                       (loader (car (find-files ld "^ld-linux.+")))
                       (net-base (assoc-ref inputs "net-base"))
                       (tzdata-path
-                       (string-append (assoc-ref inputs "tzdata") "/share/zoneinfo"))
+                       (search-input-directory inputs "share/zoneinfo"))
                       (output (assoc-ref outputs "out")))
 
                  ;; Having the patch in the 'patches' field of <origin> breaks

gnu/packages/kde-frameworks.scm

@@ -451,9 +451,8 @@ GZip format, via a subclass of QIODevice.")
            (lambda* (#:key inputs #:allow-other-keys)
              (setenv "TZ" "Europe/Prague")
              (setenv "TZDIR"
-                     (string-append (assoc-ref inputs "tzdata")
+                     (search-input-directory inputs
-                                    "/share/zoneinfo"))
+                                             "share/zoneinfo")))))))
-             #t)))))
     (home-page "https://community.kde.org/Frameworks")
     (synopsis "Library for interfacing with calendars")
     (description "This library provides access to and handling of calendar
@@ -3689,8 +3688,8 @@ workspace.")
            (lambda* (#:key inputs tests? #:allow-other-keys)
              (setenv "HOME" (getcwd))
              (setenv "TZDIR"    ; KDateTimeTestsome needs TZDIR
-                     (string-append (assoc-ref inputs "tzdata")
+                     (search-input-directory inputs
-                                    "/share/zoneinfo"))
+                                             "share/zoneinfo"))
              ;; Make Qt render "offscreen", required for tests
              (setenv "QT_QPA_PLATFORM" "offscreen")
              ;; enable debug output

gnu/packages/kodi.scm

@@ -348,8 +348,7 @@ alternatives. In compilers, this can reduce the cascade of secondary errors.")
 
              (substitute* "xbmc/platform/linux/LinuxTimezone.cpp"
                (("/usr/share/zoneinfo")
-                (string-append (assoc-ref inputs "tzdata")
+                (search-input-directory inputs "share/zoneinfo")))
-                               "/share/zoneinfo")))
 
              ;; Don't phone home to check for updates.
              (substitute* "system/addon-manifest.xml"

gnu/packages/mail.scm

@@ -1209,9 +1209,7 @@ security functionality including PGP, S/MIME, SSH, and SSL.")
            (lambda* (#:key inputs #:allow-other-keys)
              ;; For mu/test/test-mu-query.c
              (setenv "TZDIR"
-                     (string-append (assoc-ref inputs "tzdata")
+                     (search-input-directory inputs "share/zoneinfo"))))
-                                    "/share/zoneinfo"))
-             #t))
          (add-after 'install 'install-emacs-autoloads
            (lambda* (#:key outputs #:allow-other-keys)
              (emacs-generate-autoloads

gnu/packages/mate.scm

@@ -277,9 +277,7 @@ desktop and the mate-about program.")
           (lambda* (#:key inputs #:allow-other-keys)
             (substitute* "data/check-timezones.sh"
               (("/usr/share/zoneinfo/zone.tab")
-               (string-append (assoc-ref inputs "tzdata")
+               (search-input-file inputs "/share/zoneinfo/zone.tab"))))))))
-                              "/share/zoneinfo/zone.tab")))
-            #t)))))
     (native-inputs
      `(("pkg-config" ,pkg-config)
        ("intltool" ,intltool)

gnu/packages/perl.scm

@@ -11810,9 +11810,8 @@ prop, vhea, vmtx and the reading and writing of all other table types.")
          ;; This is needed for tests
          (add-after 'unpack 'set-TZDIR
            (lambda* (#:key inputs #:allow-other-keys)
-             (setenv "TZDIR" (string-append (assoc-ref inputs "tzdata")
+             (setenv "TZDIR"
-                                            "/share/zoneinfo"))
+                     (search-input-directory inputs "share/zoneinfo")))))))
-             #t)))))
     (native-inputs
      `(("perl-module-build" ,perl-module-build)
        ("tzdata" ,tzdata-for-tests)))

gnu/packages/python-xyz.scm

@@ -4310,8 +4310,7 @@ ecosystem, but can naturally be used also by other projects.")
                       ;;
                       ;; OverflowError: mktime argument out of range
                       (setenv "TZDIR"
-                              (string-append (assoc-ref inputs "tzdata")
+                              (search-input-directory inputs "share/zoneinfo"))
-                                             "/share/zoneinfo"))
                       (setenv "TZ" "Europe/Paris")
 
                       (invoke "python" "utest/run.py"))))))
@@ -24674,9 +24673,8 @@ It adds a simple and readable way to print stuff during development.")
            (lambda* (#:key inputs #:allow-other-keys)
              (setenv "TZ" "UTC")
              (setenv "TZDIR"
-                     (string-append (assoc-ref inputs "tzdata")
+                     (search-input-directory inputs
-                                    "/share/zoneinfo"))
+                                             "share/zoneinfo")))))))
-             #t)))))
     (home-page "https://github.com/scrapinghub/dateparser")
     (synopsis
      "Date parsing library designed to parse dates from HTML pages")

gnu/packages/rrdtool.scm

@@ -73,9 +73,7 @@
          (add-before 'check 'prepare-test-environment
            (lambda* (#:key inputs #:allow-other-keys)
              (setenv "TZDIR"
-                     (string-append (assoc-ref inputs "tzdata")
+                     (search-input-directory inputs "share/zoneinfo"))))
-                                    "/share/zoneinfo"))
-             #t))
          (add-after 'install 'remove-native-input-references
            (lambda* (#:key outputs #:allow-other-keys)
              (let* ((out (assoc-ref outputs "out"))

gnu/packages/statistics.scm

@@ -297,9 +297,8 @@ as.POSIXct(if (\"\" != Sys.getenv(\"SOURCE_DATE_EPOCH\")) {\
            (lambda* (#:key inputs #:allow-other-keys)
              (setenv "TZ" "UTC+1")
              (setenv "TZDIR"
-                     (string-append (assoc-ref inputs "tzdata")
+                     (search-input-directory inputs
-                                    "/share/zoneinfo"))
+                                             "share/zoneinfo"))))
-             #t))
          (add-after 'build 'make-info
           (lambda _ (invoke "make" "info")))
          (add-after 'build 'install-info

gnu/packages/vim.scm

@@ -109,8 +109,7 @@
            (lambda* (#:key inputs #:allow-other-keys)
              ;; One of the tests tests timezone-dependent functions.
              (setenv "TZDIR"
-                     (string-append (assoc-ref inputs "tzdata")
+                     (search-input-directory inputs "share/zoneinfo"))
-                                    "/share/zoneinfo"))
 
              ;; Make sure the TERM environment variable is set for the tests
              (setenv "TERM" "xterm")

gnu/packages/virtualization.scm

@@ -598,8 +598,7 @@ server and embedded PowerPC, and S390 guests.")
          (add-before 'check 'pre-check
            (lambda* (#:key inputs #:allow-other-keys)
              ;; Set TZDIR so that time zones are found.
-             (setenv "TZDIR" (string-append (assoc-ref inputs "tzdata")
+             (setenv "TZDIR" (search-input-directory inputs "share/zoneinfo"))
-                                            "/share/zoneinfo"))
 
              (substitute* "test/py/ganeti.utils.process_unittest.py"
                ;; This test attempts to run an executable with

gnu/packages/vpn.scm

@@ -332,9 +332,8 @@ endpoints.")
              #t))
          (add-before 'check 'set-up-test-environment
            (lambda* (#:key inputs #:allow-other-keys)
-             (setenv "TZDIR" (string-append (assoc-ref inputs "tzdata")
+             (setenv "TZDIR"
-                                            "/share/zoneinfo"))
+                     (search-input-directory inputs "share/zoneinfo")))))
-             #t)))
        #:configure-flags
        (list
         "--disable-ldap"

gnu/packages/xfce.scm

@@ -434,8 +434,7 @@ management D-Bus specification.")
            (lambda* (#:key inputs #:allow-other-keys)
              (substitute* (string-append "plugins/clock/clock.c")
                (("/usr/share/zoneinfo")
-                (string-append (assoc-ref inputs "tzdata") "/share/zoneinfo")))
+                (search-input-directory inputs "share/zoneinfo"))))))))
-             #t)))))
     (native-inputs
      `(("pkg-config" ,pkg-config)
        ("intltool" ,intltool)