submodule foreach: document variable '$displaypath'

It was observed that the variable '$displaypath' was accessible but undocumented. Hence, document it. Discussed-with: Ramsay Jones <ramsay@ramsayjones.plus.com> Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Prathamesh Chavan <pc44800@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Prathamesh Chavan committed May 8, 2018 at 17:29 UTC b6f7ac8fd561d6df9c76009898daf96a93765ffc
2 files changed +16 -14
Documentation/git-submodule.txt
+5 -3
@@ -183,11 +183,13 @@ information too.
183
184 foreach [--recursive] <command>::
185 Evaluates an arbitrary shell command in each checked out submodule.
186 - The command has access to the variables $name, $sm_path, $sha1 and
187 - $toplevel:
186 + The command has access to the variables $name, $sm_path, $displaypath,
187 + $sha1 and $toplevel:
188 $name is the name of the relevant submodule section in `.gitmodules`,
189 $sm_path is the path of the submodule as recorded in the immediate
190 - superproject, $sha1 is the commit as recorded in the immediate
190 + superproject, $displaypath contains the relative path from the
191 + current working directory to the submodules root directory,
192 + $sha1 is the commit as recorded in the immediate
193 superproject, and $toplevel is the absolute path to the top-level
194 of the immediate superproject.
195 Note that to avoid conflicts with '$PATH' on Windows, the '$path'
t/t7407-submodule-foreach.sh
+11 -11
@@ -82,16 +82,16 @@ test_expect_success 'test basic "submodule foreach" usage' '
82
83 cat >expect <<EOF
84 Entering '../sub1'
85 -$pwd/clone-foo1-sub1-$sub1sha1
85 +$pwd/clone-foo1-sub1-../sub1-$sub1sha1
86 Entering '../sub3'
87 -$pwd/clone-foo3-sub3-$sub3sha1
87 +$pwd/clone-foo3-sub3-../sub3-$sub3sha1
88 EOF
89
90 test_expect_success 'test "submodule foreach" from subdirectory' '
91 mkdir clone/sub &&
92 (
93 cd clone/sub &&
94 - git submodule foreach "echo \$toplevel-\$name-\$sm_path-\$sha1" >../../actual
94 + git submodule foreach "echo \$toplevel-\$name-\$sm_path-\$displaypath-\$sha1" >../../actual
95 ) &&
96 test_i18ncmp expect actual
97 '
@@ -206,25 +206,25 @@ submodulesha1=$(cd clone2/nested1/nested2/nested3/submodule && git rev-parse HEA
206
207 cat >expect <<EOF
208 Entering '../nested1'
209 -toplevel: $pwd/clone2 name: nested1 path: nested1 hash: $nested1sha1
209 +toplevel: $pwd/clone2 name: nested1 path: nested1 displaypath: ../nested1 hash: $nested1sha1
210 Entering '../nested1/nested2'
211 -toplevel: $pwd/clone2/nested1 name: nested2 path: nested2 hash: $nested2sha1
211 +toplevel: $pwd/clone2/nested1 name: nested2 path: nested2 displaypath: ../nested1/nested2 hash: $nested2sha1
212 Entering '../nested1/nested2/nested3'
213 -toplevel: $pwd/clone2/nested1/nested2 name: nested3 path: nested3 hash: $nested3sha1
213 +toplevel: $pwd/clone2/nested1/nested2 name: nested3 path: nested3 displaypath: ../nested1/nested2/nested3 hash: $nested3sha1
214 Entering '../nested1/nested2/nested3/submodule'
215 -toplevel: $pwd/clone2/nested1/nested2/nested3 name: submodule path: submodule hash: $submodulesha1
215 +toplevel: $pwd/clone2/nested1/nested2/nested3 name: submodule path: submodule displaypath: ../nested1/nested2/nested3/submodule hash: $submodulesha1
216 Entering '../sub1'
217 -toplevel: $pwd/clone2 name: foo1 path: sub1 hash: $sub1sha1
217 +toplevel: $pwd/clone2 name: foo1 path: sub1 displaypath: ../sub1 hash: $sub1sha1
218 Entering '../sub2'
219 -toplevel: $pwd/clone2 name: foo2 path: sub2 hash: $sub2sha1
219 +toplevel: $pwd/clone2 name: foo2 path: sub2 displaypath: ../sub2 hash: $sub2sha1
220 Entering '../sub3'
221 -toplevel: $pwd/clone2 name: foo3 path: sub3 hash: $sub3sha1
221 +toplevel: $pwd/clone2 name: foo3 path: sub3 displaypath: ../sub3 hash: $sub3sha1
222 EOF
223
224 test_expect_success 'test "submodule foreach --recursive" from subdirectory' '
225 (
226 cd clone2/untracked &&
227 - git submodule foreach --recursive "echo toplevel: \$toplevel name: \$name path: \$sm_path hash: \$sha1" >../../actual
227 + git submodule foreach --recursive "echo toplevel: \$toplevel name: \$name path: \$sm_path displaypath: \$displaypath hash: \$sha1" >../../actual
228 ) &&
229 test_i18ncmp expect actual
230 '