Output a warning message to users when there are more than
3 '-C' options given. And ignore the numeric argument value
provided by the additional '-C' options.
Signed-off-by: Bo Yang <struggleyb.nku@xxxxxxxxx>
---
builtin/blame.c | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/builtin/blame.c b/builtin/blame.c
index fc15863..e8ed547 100644
--- a/builtin/blame.c
+++ b/builtin/blame.c
@@ -2165,6 +2165,15 @@ static int blame_copy_callback(const struct option *option, const char *arg, int
int *opt = option->value;
/*
+ * Warn the users when more than 3 '-C' options are given and
+ * ignore the corresponding numeric argument of it.
+ */
+ if (*opt & PICKAXE_BLAME_COPY_HARDEST) {
+ warning("The additional '-C' above 3 is not supported.");
+ return 0;
+ }
+
+ /*
* -C enables copy from removed files;
* -C -C enables copy from existing files, but only
* when blaming a new file;
--
1.7.0.2.273.gc2413.dirty
--
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