From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Nikolay Amiantov <ab@fmap.me>
Date: Tue, 11 Oct 2016 13:12:08 +0300
Subject: [PATCH] Change /usr/share/zoneinfo to /etc/zoneinfo

NixOS uses this path.
---
 man/localtime.xml         | 4 ++--
 src/basic/time-util.c     | 8 ++++----
 src/firstboot/firstboot.c | 2 +-
 src/nspawn/nspawn.c       | 4 ++--
 src/timedate/timedated.c  | 8 ++++----
 5 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/man/localtime.xml b/man/localtime.xml
index e486474c44..5f373d0723 100644
--- a/man/localtime.xml
+++ b/man/localtime.xml
@@ -20,7 +20,7 @@
   </refnamediv>
 
   <refsynopsisdiv>
-    <para><filename>/etc/localtime</filename> -&gt; <filename>../usr/share/zoneinfo/…</filename></para>
+    <para><filename>/etc/localtime</filename> -&gt; <filename>zoneinfo/…</filename></para>
   </refsynopsisdiv>
 
   <refsect1>
@@ -30,7 +30,7 @@
     system-wide timezone of the local system that is used by
     applications for presentation to the user. It should be an
     absolute or relative symbolic link pointing to
-    <filename>/usr/share/zoneinfo/</filename>, followed by a timezone
+    <filename>/etc/zoneinfo/</filename>, followed by a timezone
     identifier such as <literal>Europe/Berlin</literal> or
     <literal>Etc/UTC</literal>. The resulting link should lead to the
     corresponding binary
diff --git a/src/basic/time-util.c b/src/basic/time-util.c
index 1db630003a..31744c3e68 100644
--- a/src/basic/time-util.c
+++ b/src/basic/time-util.c
@@ -1350,7 +1350,7 @@ static int get_timezones_from_zone1970_tab(char ***ret) {
 
         assert(ret);
 
-        f = fopen("/usr/share/zoneinfo/zone1970.tab", "re");
+        f = fopen("/etc/zoneinfo/zone1970.tab", "re");
         if (!f)
                 return -errno;
 
@@ -1391,7 +1391,7 @@ static int get_timezones_from_tzdata_zi(char ***ret) {
 
         assert(ret);
 
-        f = fopen("/usr/share/zoneinfo/tzdata.zi", "re");
+        f = fopen("/etc/zoneinfo/tzdata.zi", "re");
         if (!f)
                 return -errno;
 
@@ -1503,7 +1503,7 @@ int verify_timezone(const char *name, int log_level) {
         if (p - name >= PATH_MAX)
                 return -ENAMETOOLONG;
 
-        t = strjoina("/usr/share/zoneinfo/", name);
+        t = strjoina("/etc/zoneinfo/", name);
 
         fd = open(t, O_RDONLY|O_CLOEXEC);
         if (fd < 0)
@@ -1563,7 +1563,7 @@ int get_timezone(char **ret) {
         if (r < 0)
                 return r; /* returns EINVAL if not a symlink */
 
-        e = PATH_STARTSWITH_SET(t, "/usr/share/zoneinfo/", "../usr/share/zoneinfo/");
+        e = PATH_STARTSWITH_SET(t, "/etc/zoneinfo/", "../etc/zoneinfo/");
         if (!e)
                 return -EINVAL;
 
diff --git a/src/firstboot/firstboot.c b/src/firstboot/firstboot.c
index 1956ab3b13..9ef356f8af 100644
--- a/src/firstboot/firstboot.c
+++ b/src/firstboot/firstboot.c
@@ -630,7 +630,7 @@ static int process_timezone(int rfd) {
         if (isempty(arg_timezone))
                 return 0;
 
-        e = strjoina("../usr/share/zoneinfo/", arg_timezone);
+        e = strjoina("zoneinfo/", arg_timezone);
 
         r = symlinkat_atomic_full(e, pfd, f, /* make_relative= */ false);
         if (r < 0)
diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c
index 898a674631..c41a416e04 100644
--- a/src/nspawn/nspawn.c
+++ b/src/nspawn/nspawn.c
@@ -1924,8 +1924,8 @@ int userns_mkdir(const char *root, const char *path, mode_t mode, uid_t uid, gid
 static const char *timezone_from_path(const char *path) {
         return PATH_STARTSWITH_SET(
                         path,
-                        "../usr/share/zoneinfo/",
-                        "/usr/share/zoneinfo/");
+                        "../etc/zoneinfo/",
+                        "/etc/zoneinfo/");
 }
 
 static bool etc_writable(void) {
diff --git a/src/timedate/timedated.c b/src/timedate/timedated.c
index 331af34505..722c4b5b4f 100644
--- a/src/timedate/timedated.c
+++ b/src/timedate/timedated.c
@@ -282,7 +282,7 @@ static int context_read_data(Context *c) {
 
         r = get_timezone(&t);
         if (r == -EINVAL)
-                log_warning_errno(r, "/etc/localtime should be a symbolic link to a time zone data file in /usr/share/zoneinfo/.");
+                log_warning_errno(r, "/etc/localtime should be a symbolic link to a time zone data file in /etc/zoneinfo/.");
         else if (r < 0)
                 log_warning_errno(r, "Failed to get target of /etc/localtime: %m");
 
@@ -306,7 +306,7 @@ static int context_write_data_timezone(Context *c) {
 
         if (isempty(c->zone) || streq(c->zone, "UTC")) {
 
-                if (access("/usr/share/zoneinfo/UTC", F_OK) < 0) {
+                if (access("/etc/zoneinfo/UTC", F_OK) < 0) {
 
                         if (unlink("/etc/localtime") < 0 && errno != ENOENT)
                                 return -errno;
@@ -314,9 +314,9 @@ static int context_write_data_timezone(Context *c) {
                         return 0;
                 }
 
-                source = "../usr/share/zoneinfo/UTC";
+                source = "../etc/zoneinfo/UTC";
         } else {
-                p = path_join("../usr/share/zoneinfo", c->zone);
+                p = path_join("../etc/zoneinfo", c->zone);
                 if (!p)
                         return -ENOMEM;