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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 14:47:53 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 14:47:53 +0000
commitc8bae7493d2f2910b57f13ded012e86bdcfb0532 (patch)
tree24e09d9f84dec336720cf393e156089ca2835791 /t/t4053-diff-no-index.sh
parentInitial commit. (diff)
downloadgit-c8bae7493d2f2910b57f13ded012e86bdcfb0532.tar.xz
git-c8bae7493d2f2910b57f13ded012e86bdcfb0532.zip
Adding upstream version 1:2.39.2.upstream/1%2.39.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 't/t4053-diff-no-index.sh')
-rwxr-xr-xt/t4053-diff-no-index.sh207
1 files changed, 207 insertions, 0 deletions
diff --git a/t/t4053-diff-no-index.sh b/t/t4053-diff-no-index.sh
new file mode 100755
index 0000000..3feadf0
--- /dev/null
+++ b/t/t4053-diff-no-index.sh
@@ -0,0 +1,207 @@
+#!/bin/sh
+
+test_description='diff --no-index'
+
+. ./test-lib.sh
+
+test_expect_success 'setup' '
+ mkdir a &&
+ mkdir b &&
+ echo 1 >a/1 &&
+ echo 2 >a/2 &&
+ git init repo &&
+ echo 1 >repo/a &&
+ mkdir -p non/git &&
+ echo 1 >non/git/a &&
+ echo 1 >non/git/b
+'
+
+test_expect_success 'git diff --no-index --exit-code' '
+ git diff --no-index --exit-code a/1 non/git/a &&
+ test_expect_code 1 git diff --no-index --exit-code a/1 a/2
+'
+
+test_expect_success 'git diff --no-index directories' '
+ test_expect_code 1 git diff --no-index a b >cnt &&
+ test_line_count = 14 cnt
+'
+
+test_expect_success 'git diff --no-index relative path outside repo' '
+ (
+ cd repo &&
+ test_expect_code 0 git diff --no-index a ../non/git/a &&
+ test_expect_code 0 git diff --no-index ../non/git/a ../non/git/b
+ )
+'
+
+test_expect_success 'git diff --no-index with broken index' '
+ (
+ cd repo &&
+ echo broken >.git/index &&
+ git diff --no-index a ../non/git/a
+ )
+'
+
+test_expect_success 'git diff outside repo with broken index' '
+ (
+ cd repo &&
+ git diff ../non/git/a ../non/git/b
+ )
+'
+
+test_expect_success 'git diff --no-index executed outside repo gives correct error message' '
+ (
+ GIT_CEILING_DIRECTORIES=$TRASH_DIRECTORY/non &&
+ export GIT_CEILING_DIRECTORIES &&
+ cd non/git &&
+ test_must_fail git diff --no-index a 2>actual.err &&
+ test_i18ngrep "usage: git diff --no-index" actual.err
+ )
+'
+
+test_expect_success 'diff D F and diff F D' '
+ (
+ cd repo &&
+ echo in-repo >a &&
+ echo non-repo >../non/git/a &&
+ mkdir sub &&
+ echo sub-repo >sub/a &&
+
+ test_must_fail git diff --no-index sub/a ../non/git/a >expect &&
+ test_must_fail git diff --no-index sub/a ../non/git/ >actual &&
+ test_cmp expect actual &&
+
+ test_must_fail git diff --no-index a ../non/git/a >expect &&
+ test_must_fail git diff --no-index a ../non/git/ >actual &&
+ test_cmp expect actual &&
+
+ test_must_fail git diff --no-index ../non/git/a a >expect &&
+ test_must_fail git diff --no-index ../non/git a >actual &&
+ test_cmp expect actual
+ )
+'
+
+test_expect_success 'turning a file into a directory' '
+ (
+ cd non/git &&
+ mkdir d e e/sub &&
+ echo 1 >d/sub &&
+ echo 2 >e/sub/file &&
+ printf "D\td/sub\nA\te/sub/file\n" >expect &&
+ test_must_fail git diff --no-index --name-status d e >actual &&
+ test_cmp expect actual
+ )
+'
+
+test_expect_success 'diff from repo subdir shows real paths (explicit)' '
+ echo "diff --git a/../../non/git/a b/../../non/git/b" >expect &&
+ test_expect_code 1 \
+ git -C repo/sub \
+ diff --no-index ../../non/git/a ../../non/git/b >actual &&
+ head -n 1 <actual >actual.head &&
+ test_cmp expect actual.head
+'
+
+test_expect_success 'diff from repo subdir shows real paths (implicit)' '
+ echo "diff --git a/../../non/git/a b/../../non/git/b" >expect &&
+ test_expect_code 1 \
+ git -C repo/sub \
+ diff ../../non/git/a ../../non/git/b >actual &&
+ head -n 1 <actual >actual.head &&
+ test_cmp expect actual.head
+'
+
+test_expect_success 'diff --no-index from repo subdir respects config (explicit)' '
+ echo "diff --git ../../non/git/a ../../non/git/b" >expect &&
+ test_config -C repo diff.noprefix true &&
+ test_expect_code 1 \
+ git -C repo/sub \
+ diff --no-index ../../non/git/a ../../non/git/b >actual &&
+ head -n 1 <actual >actual.head &&
+ test_cmp expect actual.head
+'
+
+test_expect_success 'diff --no-index from repo subdir respects config (implicit)' '
+ echo "diff --git ../../non/git/a ../../non/git/b" >expect &&
+ test_config -C repo diff.noprefix true &&
+ test_expect_code 1 \
+ git -C repo/sub \
+ diff ../../non/git/a ../../non/git/b >actual &&
+ head -n 1 <actual >actual.head &&
+ test_cmp expect actual.head
+'
+
+test_expect_success 'diff --no-index from repo subdir with absolute paths' '
+ cat <<-EOF >expect &&
+ 1 1 $(pwd)/non/git/{a => b}
+ EOF
+ test_expect_code 1 \
+ git -C repo/sub diff --numstat \
+ "$(pwd)/non/git/a" "$(pwd)/non/git/b" >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'diff --no-index allows external diff' '
+ test_expect_code 1 \
+ env GIT_EXTERNAL_DIFF="echo external ;:" \
+ git diff --no-index non/git/a non/git/b >actual &&
+ echo external >expect &&
+ test_cmp expect actual
+'
+
+test_expect_success 'diff --no-index normalizes mode: no changes' '
+ echo foo >x &&
+ cp x y &&
+ git diff --no-index x y >out &&
+ test_must_be_empty out
+'
+
+test_expect_success POSIXPERM 'diff --no-index normalizes mode: chmod +x' '
+ chmod +x y &&
+ cat >expected <<-\EOF &&
+ diff --git a/x b/y
+ old mode 100644
+ new mode 100755
+ EOF
+ test_expect_code 1 git diff --no-index x y >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success POSIXPERM 'diff --no-index normalizes: mode not like git mode' '
+ chmod 666 x &&
+ chmod 777 y &&
+ cat >expected <<-\EOF &&
+ diff --git a/x b/y
+ old mode 100644
+ new mode 100755
+ EOF
+ test_expect_code 1 git diff --no-index x y >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success POSIXPERM,SYMLINKS 'diff --no-index normalizes: mode not like git mode (symlink)' '
+ ln -s y z &&
+ X_OID=$(git hash-object --stdin <x) &&
+ Z_OID=$(printf y | git hash-object --stdin) &&
+ cat >expected <<-EOF &&
+ diff --git a/x b/x
+ deleted file mode 100644
+ index $X_OID..$ZERO_OID
+ --- a/x
+ +++ /dev/null
+ @@ -1 +0,0 @@
+ -foo
+ diff --git a/z b/z
+ new file mode 120000
+ index $ZERO_OID..$Z_OID
+ --- /dev/null
+ +++ b/z
+ @@ -0,0 +1 @@
+ +y
+ \ No newline at end of file
+ EOF
+ test_expect_code 1 git -c core.abbrev=no diff --no-index x z >actual &&
+ test_cmp expected actual
+'
+
+test_done