p4merge does not properly handle the case where "/dev/null"
is passed as a filename.
Workaround it by creating a temporary file for this purpose.
Reported-by: Jeremy Morton <admin@xxxxxxxxxxxxxx>
Signed-off-by: David Aguilar <davvid@xxxxxxxxx>
---
Jeremy, can you test this?
mergetools/p4merge | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/mergetools/p4merge b/mergetools/p4merge
index 1a45c1b..295361a 100644
--- a/mergetools/p4merge
+++ b/mergetools/p4merge
@@ -1,5 +1,30 @@
diff_cmd () {
+ # p4merge does not like /dev/null
+ rm_local=
+ rm_remote=
+ if test "/dev/null" = "$LOCAL"
+ then
+ LOCAL="./p4merge-dev-null.LOCAL.$$"
+ >"$LOCAL"
+ rm_local=true
+ fi
+ if test "/dev/null" = "$REMOTE"
+ then
+ REMOTE="./p4merge-dev-null.REMOTE.$$"
+ >"$REMOTE"
+ rm_remote=true
+ fi
+
"$merge_tool_path" "$LOCAL" "$REMOTE"
+
+ if test -n "$rm_local"
+ then
+ rm -f "$LOCAL"
+ fi
+ if test -n "$rm_remote"
+ then
+ rm -f "$REMOTE"
+ fi
}
merge_cmd () {
--
1.8.0.rc1
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