tvl-depot/third_party/git/t/t4010-diff-pathspec.sh
Vincent Ambo f4609b896f merge(3p/git): Merge git subtree at v2.29.2
This also bumps the stable nixpkgs to 20.09 as of 2020-11-21, because
there is some breakage in the git build related to the netrc
credentials helper which someone has taken care of in nixpkgs.

The stable channel is not used for anything other than git, so this
should be fine.

Change-Id: I3575a19dab09e1e9556cf8231d717de9890484fb
2020-11-21 19:45:56 +01:00

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#!/bin/sh
#
# Copyright (c) 2005 Junio C Hamano
#
test_description='Pathspec restrictions
Prepare:
file0
path1/file1
'
. ./test-lib.sh
. "$TEST_DIRECTORY"/diff-lib.sh ;# test-lib chdir's into trash
test_expect_success \
setup \
'echo frotz >file0 &&
mkdir path1 &&
echo rezrov >path1/file1 &&
before0=$(git hash-object file0) &&
before1=$(git hash-object path1/file1) &&
git update-index --add file0 path1/file1 &&
tree=$(git write-tree) &&
echo "$tree" &&
echo nitfol >file0 &&
echo yomin >path1/file1 &&
after0=$(git hash-object file0) &&
after1=$(git hash-object path1/file1) &&
git update-index file0 path1/file1'
cat >expected <<\EOF
EOF
test_expect_success \
'limit to path should show nothing' \
'git diff-index --cached $tree -- path >current &&
compare_diff_raw current expected'
cat >expected <<EOF
:100644 100644 $before1 $after1 M path1/file1
EOF
test_expect_success \
'limit to path1 should show path1/file1' \
'git diff-index --cached $tree -- path1 >current &&
compare_diff_raw current expected'
cat >expected <<EOF
:100644 100644 $before1 $after1 M path1/file1
EOF
test_expect_success \
'limit to path1/ should show path1/file1' \
'git diff-index --cached $tree -- path1/ >current &&
compare_diff_raw current expected'
cat >expected <<EOF
:100644 100644 $before1 $after1 M path1/file1
EOF
test_expect_success \
'"*file1" should show path1/file1' \
'git diff-index --cached $tree -- "*file1" >current &&
compare_diff_raw current expected'
cat >expected <<EOF
:100644 100644 $before0 $after0 M file0
EOF
test_expect_success \
'limit to file0 should show file0' \
'git diff-index --cached $tree -- file0 >current &&
compare_diff_raw current expected'
cat >expected <<\EOF
EOF
test_expect_success \
'limit to file0/ should emit nothing.' \
'git diff-index --cached $tree -- file0/ >current &&
compare_diff_raw current expected'
test_expect_success 'diff-tree pathspec' '
tree2=$(git write-tree) &&
echo "$tree2" &&
git diff-tree -r --name-only $tree $tree2 -- pa path1/a >current &&
test_must_be_empty current
'
test_expect_success 'diff-tree with wildcard shows dir also matches' '
git diff-tree --name-only $EMPTY_TREE $tree -- "f*" >result &&
echo file0 >expected &&
test_cmp expected result
'
test_expect_success 'diff-tree -r with wildcard' '
git diff-tree -r --name-only $EMPTY_TREE $tree -- "*file1" >result &&
echo path1/file1 >expected &&
test_cmp expected result
'
test_expect_success 'diff-tree with wildcard shows dir also matches' '
git diff-tree --name-only $tree $tree2 -- "path1/f*" >result &&
echo path1 >expected &&
test_cmp expected result
'
test_expect_success 'diff-tree -r with wildcard from beginning' '
git diff-tree -r --name-only $tree $tree2 -- "path1/*file1" >result &&
echo path1/file1 >expected &&
test_cmp expected result
'
test_expect_success 'diff-tree -r with wildcard' '
git diff-tree -r --name-only $tree $tree2 -- "path1/f*" >result &&
echo path1/file1 >expected &&
test_cmp expected result
'
test_expect_success 'setup submodules' '
test_tick &&
git init submod &&
( cd submod && test_commit first ) &&
git add submod &&
git commit -m first &&
( cd submod && test_commit second ) &&
git add submod &&
git commit -m second
'
test_expect_success 'diff-tree ignores trailing slash on submodule path' '
git diff --name-only HEAD^ HEAD submod >expect &&
git diff --name-only HEAD^ HEAD submod/ >actual &&
test_cmp expect actual &&
git diff --name-only HEAD^ HEAD -- submod/whatever >actual &&
test_must_be_empty actual
'
test_expect_success 'diff multiple wildcard pathspecs' '
mkdir path2 &&
echo rezrov >path2/file1 &&
git update-index --add path2/file1 &&
tree3=$(git write-tree) &&
git diff --name-only $tree $tree3 -- "path2*1" "path1*1" >actual &&
cat <<-\EOF >expect &&
path1/file1
path2/file1
EOF
test_cmp expect actual
'
test_expect_success 'diff-cache ignores trailing slash on submodule path' '
git diff --name-only HEAD^ submod >expect &&
git diff --name-only HEAD^ submod/ >actual &&
test_cmp expect actual
'
test_done