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-rw-r--r--bpkg/utility8
1 files changed, 8 insertions, 0 deletions
diff --git a/bpkg/utility b/bpkg/utility
index 5f41843..3e11bc4 100644
--- a/bpkg/utility
+++ b/bpkg/utility
@@ -20,6 +20,14 @@ namespace bpkg
using std::make_shared;
using std::to_string; // To complement bpkg::to_string().
+ // Y/N prompt. The def argument, if specified, should be either 'y'
+ // or 'no'. It is used as the default answer, in case the user just
+ // hits enter. Issue diagnostics and throw failed if no answer could
+ // be extracted from STDOUT (e.g., because it was closed).
+ //
+ bool
+ yn_prompt (const char* prompt, char def = '\0');
+
// Filesystem.
//
bool