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+#!/bin/sh
+#
+# Copyright (c) 2005 Junio C Hamano
+#
+
+test_description='git-checkout-cache test.
+
+This test registers the following filesystem structure in the cache:
+
+ path0/file0 - a file in a directory
+ path1/file1 - a file in a directory
+
+and attempts to check it out when the work tree has:
+
+ path0/file0 - a file in a directory
+ path1 - a symlink pointing at "path0"
+
+Checkout cache should fail to extract path1/file1 because the leading
+path path1 is occupied by a non-directory. With "-f" it should remove
+the symlink path1 and create directory path1 and file path1/file1.
+'
+. ./test-lib.sh
+
+show_files() {
+ # show filesystem files, just [-dl] for type and name
+ find path? -ls |
+ sed -e 's/^[0-9]* * [0-9]* * \([-bcdl]\)[^ ]* *[0-9]* *[^ ]* *[^ ]* *[0-9]* [A-Z][a-z][a-z] [0-9][0-9] [^ ]* /fs: \1 /'
+ # what's in the cache, just mode and name
+ git-ls-files --stage |
+ sed -e 's/^\([0-9]*\) [0-9a-f]* [0-3] /ca: \1 /'
+ # what's in the tree, just mode and name.
+ git-ls-tree -r "$1" |
+ sed -e 's/^\([0-9]*\) [^ ]* [0-9a-f]* /tr: \1 /'
+}
+
+mkdir path0
+date >path0/file0
+test_expect_success \
+ 'git-update-cache --add path0/file0' \
+ 'git-update-cache --add path0/file0'
+test_expect_success \
+ 'writing tree out with git-write-tree' \
+ 'tree1=$(git-write-tree)'
+test_debug 'show_files $tree1'
+
+mkdir path1
+date >path1/file1
+test_expect_success \
+ 'git-update-cache --add path1/file1' \
+ 'git-update-cache --add path1/file1'
+test_expect_success \
+ 'writing tree out with git-write-tree' \
+ 'tree2=$(git-write-tree)'
+test_debug 'show_files $tree2'
+
+rm -fr path1
+test_expect_success \
+ 'read previously written tree and checkout.' \
+ 'git-read-tree -m $tree1 && git-checkout-cache -f -a'
+test_debug 'show_files $tree1'
+
+ln -s path0 path1
+test_expect_success \
+ 'git-update-cache --add a symlink.' \
+ 'git-update-cache --add path1'
+test_expect_success \
+ 'writing tree out with git-write-tree' \
+ 'tree3=$(git-write-tree)'
+test_debug 'show_files $tree3'
+
+# Morten says "Got that?" here.
+# Test begins.
+
+test_expect_success \
+ 'read previously written tree and checkout.' \
+ 'git-read-tree $tree2 && git-checkout-cache -f -a'
+test_debug show_files $tree2
+
+test_expect_success \
+ 'checking out conflicting path with -f' \
+ 'test ! -h path0 && test -d path0 &&
+ test ! -h path1 && test -d path1 &&
+ test ! -h path0/file0 && test -f path0/file0 &&
+ test ! -h path1/file1 && test -f path1/file1'
+
+test_done
+