Marc Khouzam wrote:
The uniq program only works with sorted input.  The man page states
"uniq prints the unique lines in a sorted file".
...
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -321,7 +321,7 @@ __git_refs ()
                               if [[ "$ref" == "$cur"* ]]; then
                                       echo "$ref"
                               fi
-                       done | uniq -u
+                       done | sort | uniq -u


Is 'sort -u' not universally available and sufficient here? It is POSIX at least:
http://pubs.opengroup.org/onlinepubs/9699919799/utilities/sort.html

Bye, Jojo

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