Derrick Stolee <dstolee@xxxxxxxxxxxxx> writes:
> diff --git a/t/helper/test-abbrev.c b/t/helper/test-abbrev.c
> new file mode 100644
> index 000000000..6866896eb
> --- /dev/null
> +++ b/t/helper/test-abbrev.c
> @@ -0,0 +1,19 @@
> +#include "cache.h"
> +#include <stdio.h>
Same comment on <stdio.h> as [1/5] applies.
> +
> +int cmd_main(int ac, const char **av)
> +{
> + struct object_id oid;
> + char hex[GIT_MAX_HEXSZ + 2];
Why +2 (as opposed to +1)?
> + const char *end;
> +
> + setup_git_directory();
> +
> + while (fgets(hex, GIT_MAX_HEXSZ + 2, stdin)) {
> + hex[GIT_MAX_HEXSZ] = 0;
> + if (!parse_oid_hex(hex, &oid, &end))
> + find_unique_abbrev(oid.hash, MINIMUM_ABBREV);
> + }
> +
> + exit(0);
> +}
> diff --git a/t/perf/p0008-abbrev.sh b/t/perf/p0008-abbrev.sh
> new file mode 100755
> index 000000000..ba25e7824
> --- /dev/null
> +++ b/t/perf/p0008-abbrev.sh
> @@ -0,0 +1,22 @@
> +#!/bin/bash
> +
> +test_description='Test object disambiguation through abbreviations'
> +. ./perf-lib.sh
> +
> +test_perf_large_repo
> +
> +test-list-objects 100000 | sort -R > objs.txt
I thought "sort randomly" was a GNUism. Does it work across
platforms? I think not.
> +
> +test_perf 'find_unique_abbrev() for existing objects' '
> + test-abbrev < objs.txt
> +'
> +
> +test-list-objects 100000 --missing | sort -R > objs.txt
> +
> +test_perf 'find_unique_abbrev() for missing objects' '
> + test-abbrev < objs.txt
> +'
> +
> +rm objs.txt
> +
> +test_done
