From bbee6e0814d5875b85b81f26fd4ca7a28b6f9570 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sun, 31 May 2020 20:58:28 +0000
Subject: Vendor import svn-1.14.0.

---
 subversion/libsvn_client/revisions.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'subversion/libsvn_client/revisions.c')

diff --git a/subversion/libsvn_client/revisions.c b/subversion/libsvn_client/revisions.c
index 4bfbfc3fc32a..c209c9ea385e 100644
--- a/subversion/libsvn_client/revisions.c
+++ b/subversion/libsvn_client/revisions.c
@@ -146,7 +146,14 @@ svn_client__get_revision_number(svn_revnum_t *revnum,
                                                           scratch_pool));
 
         if (revision->kind == svn_opt_revision_previous)
-          (*revnum)--;
+          {
+            if (*revnum == 0)
+              return svn_error_createf(
+                  SVN_ERR_CLIENT_BAD_REVISION, NULL,
+                  _("Path '%s' has no previous revision"),
+                  svn_dirent_local_style(local_abspath, scratch_pool));
+            --(*revnum);
+          }
       }
       break;
 
-- 
cgit v1.2.3