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| 1 | +#!/bin/sh |
| 2 | +# |
| 3 | +# Copyright (c) 2007 Carl D. Worth |
| 4 | +# |
| 5 | + |
| 6 | +test_description='git ls-files test (--with-tree). |
| 7 | +
|
| 8 | +This test runs git ls-files --with-tree and in particular in |
| 9 | +a scenario known to trigger a crash with some versions of git. |
| 10 | +' |
| 11 | +. ./test-lib.sh |
| 12 | + |
| 13 | +test_expect_success setup ' |
| 14 | +
|
| 15 | + # The bug we are exercising requires a fair number of entries |
| 16 | + # in a sub-directory so that add_index_entry will trigger a |
| 17 | + # realloc. |
| 18 | +
|
| 19 | + echo file >expected && |
| 20 | + mkdir sub && |
| 21 | + bad= && |
| 22 | + for n in 0 1 2 3 4 5 |
| 23 | + do |
| 24 | + for m in 0 1 2 3 4 5 6 7 8 9 |
| 25 | + do |
| 26 | + num=00$n$m && |
| 27 | + >sub/file-$num && |
| 28 | + echo file-$num >>expected || { |
| 29 | + bad=t |
| 30 | + break |
| 31 | + } |
| 32 | + done && test -z "$bad" || { |
| 33 | + bad=t |
| 34 | + break |
| 35 | + } |
| 36 | + done && test -z "$bad" && |
| 37 | + git add . && |
| 38 | + git commit -m "add a bunch of files" && |
| 39 | +
|
| 40 | + # We remove them all so that we will have something to add |
| 41 | + # back with --with-tree and so that we will definitely be |
| 42 | + # under the realloc size to trigger the bug. |
| 43 | + rm -rf sub && |
| 44 | + git commit -a -m "remove them all" && |
| 45 | +
|
| 46 | + # The bug also requires some entry before our directory so that |
| 47 | + # prune_path will modify the_index.cache |
| 48 | +
|
| 49 | + mkdir a_directory_that_sorts_before_sub && |
| 50 | + >a_directory_that_sorts_before_sub/file && |
| 51 | + mkdir sub && |
| 52 | + >sub/file && |
| 53 | + git add . |
| 54 | +' |
| 55 | + |
| 56 | +# We have to run from a sub-directory to trigger prune_path |
| 57 | +# Then we finally get to run our --with-tree test |
| 58 | +cd sub |
| 59 | + |
| 60 | +test_expect_success 'git -ls-files --with-tree should succeed from subdir' ' |
| 61 | +
|
| 62 | + git ls-files --with-tree=HEAD~1 >../output |
| 63 | +
|
| 64 | +' |
| 65 | + |
| 66 | +cd .. |
| 67 | +test_expect_success \ |
| 68 | + 'git -ls-files --with-tree should add entries from named tree.' \ |
| 69 | + 'diff -u expected output' |
| 70 | + |
| 71 | +test_done |
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