Merge branch 'ah/submodule-typofix-in-error'
[git] / t / t0060-path-utils.sh
1 #!/bin/sh
2 #
3 # Copyright (c) 2008 David Reiss
4 #
5
6 test_description='Test various path utilities'
7
8 . ./test-lib.sh
9
10 norm_path() {
11         expected=$(test-path-utils print_path "$2")
12         test_expect_success $3 "normalize path: $1 => $2" \
13         "test \"\$(test-path-utils normalize_path_copy '$1')\" = '$expected'"
14 }
15
16 relative_path() {
17         expected=$(test-path-utils print_path "$3")
18         test_expect_success $4 "relative path: $1 $2 => $3" \
19         "test \"\$(test-path-utils relative_path '$1' '$2')\" = '$expected'"
20 }
21
22 test_git_path() {
23         test_expect_success "git-path $1 $2 => $3" "
24                 $1 git rev-parse --git-path $2 >actual &&
25                 echo $3 >expect &&
26                 test_cmp expect actual
27         "
28 }
29
30 # On Windows, we are using MSYS's bash, which mangles the paths.
31 # Absolute paths are anchored at the MSYS installation directory,
32 # which means that the path / accounts for this many characters:
33 rootoff=$(test-path-utils normalize_path_copy / | wc -c)
34 # Account for the trailing LF:
35 if test $rootoff = 2; then
36         rootoff=        # we are on Unix
37 else
38         rootoff=$(($rootoff-1))
39 fi
40
41 ancestor() {
42         # We do some math with the expected ancestor length.
43         expected=$3
44         if test -n "$rootoff" && test "x$expected" != x-1; then
45                 expected=$(($expected+$rootoff))
46         fi
47         test_expect_success "longest ancestor: $1 $2 => $expected" \
48         "actual=\$(test-path-utils longest_ancestor_length '$1' '$2') &&
49          test \"\$actual\" = '$expected'"
50 }
51
52 # Some absolute path tests should be skipped on Windows due to path mangling
53 # on POSIX-style absolute paths
54 case $(uname -s) in
55 *MINGW*)
56         ;;
57 *)
58         test_set_prereq POSIX
59         ;;
60 esac
61
62 norm_path "" ""
63 norm_path . ""
64 norm_path ./ ""
65 norm_path ./. ""
66 norm_path ./.. ++failed++
67 norm_path ../. ++failed++
68 norm_path ./../.// ++failed++
69 norm_path dir/.. ""
70 norm_path dir/sub/../.. ""
71 norm_path dir/sub/../../.. ++failed++
72 norm_path dir dir
73 norm_path dir// dir/
74 norm_path ./dir dir
75 norm_path dir/. dir/
76 norm_path dir///./ dir/
77 norm_path dir//sub/.. dir/
78 norm_path dir/sub/../ dir/
79 norm_path dir/sub/../. dir/
80 norm_path dir/s1/../s2/ dir/s2/
81 norm_path d1/s1///s2/..//../s3/ d1/s3/
82 norm_path d1/s1//../s2/../../d2 d2
83 norm_path d1/.../d2 d1/.../d2
84 norm_path d1/..././../d2 d1/d2
85
86 norm_path / /
87 norm_path // / POSIX
88 norm_path /// / POSIX
89 norm_path /. /
90 norm_path /./ / POSIX
91 norm_path /./.. ++failed++ POSIX
92 norm_path /../. ++failed++
93 norm_path /./../.// ++failed++ POSIX
94 norm_path /dir/.. / POSIX
95 norm_path /dir/sub/../.. / POSIX
96 norm_path /dir/sub/../../.. ++failed++ POSIX
97 norm_path /dir /dir
98 norm_path /dir// /dir/
99 norm_path /./dir /dir
100 norm_path /dir/. /dir/
101 norm_path /dir///./ /dir/
102 norm_path /dir//sub/.. /dir/
103 norm_path /dir/sub/../ /dir/
104 norm_path //dir/sub/../. /dir/ POSIX
105 norm_path /dir/s1/../s2/ /dir/s2/
106 norm_path /d1/s1///s2/..//../s3/ /d1/s3/
107 norm_path /d1/s1//../s2/../../d2 /d2
108 norm_path /d1/.../d2 /d1/.../d2
109 norm_path /d1/..././../d2 /d1/d2
110
111 ancestor / / -1
112 ancestor /foo / 0
113 ancestor /foo /fo -1
114 ancestor /foo /foo -1
115 ancestor /foo /bar -1
116 ancestor /foo /foo/bar -1
117 ancestor /foo /foo:/bar -1
118 ancestor /foo /:/foo:/bar 0
119 ancestor /foo /foo:/:/bar 0
120 ancestor /foo /:/bar:/foo 0
121 ancestor /foo/bar / 0
122 ancestor /foo/bar /fo -1
123 ancestor /foo/bar /foo 4
124 ancestor /foo/bar /foo/ba -1
125 ancestor /foo/bar /:/fo 0
126 ancestor /foo/bar /foo:/foo/ba 4
127 ancestor /foo/bar /bar -1
128 ancestor /foo/bar /fo -1
129 ancestor /foo/bar /foo:/bar 4
130 ancestor /foo/bar /:/foo:/bar 4
131 ancestor /foo/bar /foo:/:/bar 4
132 ancestor /foo/bar /:/bar:/fo 0
133 ancestor /foo/bar /:/bar 0
134 ancestor /foo/bar /foo 4
135 ancestor /foo/bar /foo:/bar 4
136 ancestor /foo/bar /bar -1
137
138 test_expect_success 'strip_path_suffix' '
139         test c:/msysgit = $(test-path-utils strip_path_suffix \
140                 c:/msysgit/libexec//git-core libexec/git-core)
141 '
142
143 test_expect_success 'absolute path rejects the empty string' '
144         test_must_fail test-path-utils absolute_path ""
145 '
146
147 test_expect_success 'real path rejects the empty string' '
148         test_must_fail test-path-utils real_path ""
149 '
150
151 test_expect_success POSIX 'real path works on absolute paths 1' '
152         nopath="hopefully-absent-path" &&
153         test "/" = "$(test-path-utils real_path "/")" &&
154         test "/$nopath" = "$(test-path-utils real_path "/$nopath")"
155 '
156
157 test_expect_success 'real path works on absolute paths 2' '
158         nopath="hopefully-absent-path" &&
159         # Find an existing top-level directory for the remaining tests:
160         d=$(pwd -P | sed -e "s|^\([^/]*/[^/]*\)/.*|\1|") &&
161         test "$d" = "$(test-path-utils real_path "$d")" &&
162         test "$d/$nopath" = "$(test-path-utils real_path "$d/$nopath")"
163 '
164
165 test_expect_success POSIX 'real path removes extra leading slashes' '
166         nopath="hopefully-absent-path" &&
167         test "/" = "$(test-path-utils real_path "///")" &&
168         test "/$nopath" = "$(test-path-utils real_path "///$nopath")" &&
169         # Find an existing top-level directory for the remaining tests:
170         d=$(pwd -P | sed -e "s|^\([^/]*/[^/]*\)/.*|\1|") &&
171         test "$d" = "$(test-path-utils real_path "//$d")" &&
172         test "$d/$nopath" = "$(test-path-utils real_path "//$d/$nopath")"
173 '
174
175 test_expect_success 'real path removes other extra slashes' '
176         nopath="hopefully-absent-path" &&
177         # Find an existing top-level directory for the remaining tests:
178         d=$(pwd -P | sed -e "s|^\([^/]*/[^/]*\)/.*|\1|") &&
179         test "$d" = "$(test-path-utils real_path "$d///")" &&
180         test "$d/$nopath" = "$(test-path-utils real_path "$d///$nopath")"
181 '
182
183 test_expect_success SYMLINKS 'real path works on symlinks' '
184         mkdir first &&
185         ln -s ../.git first/.git &&
186         mkdir second &&
187         ln -s ../first second/other &&
188         mkdir third &&
189         dir="$(cd .git; pwd -P)" &&
190         dir2=third/../second/other/.git &&
191         test "$dir" = "$(test-path-utils real_path $dir2)" &&
192         file="$dir"/index &&
193         test "$file" = "$(test-path-utils real_path $dir2/index)" &&
194         basename=blub &&
195         test "$dir/$basename" = "$(cd .git && test-path-utils real_path "$basename")" &&
196         ln -s ../first/file .git/syml &&
197         sym="$(cd first; pwd -P)"/file &&
198         test "$sym" = "$(test-path-utils real_path "$dir2/syml")"
199 '
200
201 test_expect_success SYMLINKS 'prefix_path works with absolute paths to work tree symlinks' '
202         ln -s target symlink &&
203         test "$(test-path-utils prefix_path prefix "$(pwd)/symlink")" = "symlink"
204 '
205
206 test_expect_success 'prefix_path works with only absolute path to work tree' '
207         echo "" >expected &&
208         test-path-utils prefix_path prefix "$(pwd)" >actual &&
209         test_cmp expected actual
210 '
211
212 test_expect_success 'prefix_path rejects absolute path to dir with same beginning as work tree' '
213         test_must_fail test-path-utils prefix_path prefix "$(pwd)a"
214 '
215
216 test_expect_success SYMLINKS 'prefix_path works with absolute path to a symlink to work tree having  same beginning as work tree' '
217         git init repo &&
218         ln -s repo repolink &&
219         test "a" = "$(cd repo && test-path-utils prefix_path prefix "$(pwd)/../repolink/a")"
220 '
221
222 relative_path /foo/a/b/c/       /foo/a/b/       c/
223 relative_path /foo/a/b/c/       /foo/a/b        c/
224 relative_path /foo/a//b//c/     ///foo/a/b//    c/              POSIX
225 relative_path /foo/a/b          /foo/a/b        ./
226 relative_path /foo/a/b/         /foo/a/b        ./
227 relative_path /foo/a            /foo/a/b        ../
228 relative_path /                 /foo/a/b/       ../../../
229 relative_path /foo/a/c          /foo/a/b/       ../c
230 relative_path /foo/a/c          /foo/a/b        ../c
231 relative_path /foo/x/y          /foo/a/b/       ../../x/y
232 relative_path /foo/a/b          "<empty>"       /foo/a/b
233 relative_path /foo/a/b          "<null>"        /foo/a/b
234 relative_path foo/a/b/c/        foo/a/b/        c/
235 relative_path foo/a/b/c/        foo/a/b         c/
236 relative_path foo/a/b//c        foo/a//b        c
237 relative_path foo/a/b/          foo/a/b/        ./
238 relative_path foo/a/b/          foo/a/b         ./
239 relative_path foo/a             foo/a/b         ../
240 relative_path foo/x/y           foo/a/b         ../../x/y
241 relative_path foo/a/c           foo/a/b         ../c
242 relative_path foo/a/b           /foo/x/y        foo/a/b
243 relative_path /foo/a/b          foo/x/y         /foo/a/b
244 relative_path d:/a/b            D:/a/c          ../b            MINGW
245 relative_path C:/a/b            D:/a/c          C:/a/b          MINGW
246 relative_path foo/a/b           "<empty>"       foo/a/b
247 relative_path foo/a/b           "<null>"        foo/a/b
248 relative_path "<empty>"         /foo/a/b        ./
249 relative_path "<empty>"         "<empty>"       ./
250 relative_path "<empty>"         "<null>"        ./
251 relative_path "<null>"          "<empty>"       ./
252 relative_path "<null>"          "<null>"        ./
253 relative_path "<null>"          /foo/a/b        ./
254
255 test_git_path A=B                info/grafts .git/info/grafts
256 test_git_path GIT_GRAFT_FILE=foo info/grafts foo
257 test_git_path GIT_GRAFT_FILE=foo info/////grafts foo
258 test_git_path GIT_INDEX_FILE=foo index foo
259 test_git_path GIT_INDEX_FILE=foo index/foo .git/index/foo
260 test_git_path GIT_INDEX_FILE=foo index2 .git/index2
261 test_expect_success 'setup fake objects directory foo' 'mkdir foo'
262 test_git_path GIT_OBJECT_DIRECTORY=foo objects foo
263 test_git_path GIT_OBJECT_DIRECTORY=foo objects/foo foo/foo
264 test_git_path GIT_OBJECT_DIRECTORY=foo objects2 .git/objects2
265 test_expect_success 'setup common repository' 'git --git-dir=bar init'
266 test_git_path GIT_COMMON_DIR=bar index                    .git/index
267 test_git_path GIT_COMMON_DIR=bar HEAD                     .git/HEAD
268 test_git_path GIT_COMMON_DIR=bar logs/HEAD                .git/logs/HEAD
269 test_git_path GIT_COMMON_DIR=bar objects                  bar/objects
270 test_git_path GIT_COMMON_DIR=bar objects/bar              bar/objects/bar
271 test_git_path GIT_COMMON_DIR=bar info/exclude             bar/info/exclude
272 test_git_path GIT_COMMON_DIR=bar info/grafts              bar/info/grafts
273 test_git_path GIT_COMMON_DIR=bar info/sparse-checkout     .git/info/sparse-checkout
274 test_git_path GIT_COMMON_DIR=bar remotes/bar              bar/remotes/bar
275 test_git_path GIT_COMMON_DIR=bar branches/bar             bar/branches/bar
276 test_git_path GIT_COMMON_DIR=bar logs/refs/heads/master   bar/logs/refs/heads/master
277 test_git_path GIT_COMMON_DIR=bar refs/heads/master        bar/refs/heads/master
278 test_git_path GIT_COMMON_DIR=bar hooks/me                 bar/hooks/me
279 test_git_path GIT_COMMON_DIR=bar config                   bar/config
280 test_git_path GIT_COMMON_DIR=bar packed-refs              bar/packed-refs
281 test_git_path GIT_COMMON_DIR=bar shallow                  bar/shallow
282
283 test_done