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-rwxr-xr-xMaster/texmf/scripts/texlive/tlmgr.pl8
1 files changed, 8 insertions, 0 deletions
diff --git a/Master/texmf/scripts/texlive/tlmgr.pl b/Master/texmf/scripts/texlive/tlmgr.pl
index 7ff7ce90d98..1530023bc1f 100755
--- a/Master/texmf/scripts/texlive/tlmgr.pl
+++ b/Master/texmf/scripts/texlive/tlmgr.pl
@@ -1056,6 +1056,14 @@ Update all package.
Nothing is actually installed; instead, the actions to be performed are
written to the terminal.
+=item B<--rollback directory>
+
+If this option is given it must specify an existing directory where a
+snapshot of the current package as installed will be saved before
+the packages is updated. This way one can go back in case an update
+turned out as not working. NOTE that the "go-back" functionality is
+still missing. Work-in-progress!!!
+
=back