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-rw-r--r--lib/commit.tcl2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/commit.tcl b/lib/commit.tcl
index 3172d7cb6..46a78c158 100644
--- a/lib/commit.tcl
+++ b/lib/commit.tcl
@@ -258,7 +258,7 @@ proc commit_committree {fd_wt curHEAD msg} {
# -- Verify this wasn't an empty change.
#
if {$commit_type eq {normal}} {
- set fd_ot [open "| git cat-file commit $PARENT" r]
+ set fd_ot [git_read cat-file commit $PARENT]
fconfigure $fd_ot -encoding binary -translation lf
set old_tree [gets $fd_ot]
close $fd_ot