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-rwxr-xr-xt/t4127-apply-same-fn.sh90
1 files changed, 90 insertions, 0 deletions
diff --git a/t/t4127-apply-same-fn.sh b/t/t4127-apply-same-fn.sh
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+++ b/t/t4127-apply-same-fn.sh
@@ -0,0 +1,90 @@
+#!/bin/sh
+
+test_description='apply same filename'
+
+. ./test-lib.sh
+
+modify () {
+ sed -e "$1" < "$2" > "$2".x &&
+ mv "$2".x "$2"
+}
+
+test_expect_success setup '
+ for i in a b c d e f g h i j k l m
+ do
+ echo $i
+ done >same_fn &&
+ cp same_fn other_fn &&
+ git add same_fn other_fn &&
+ git commit -m initial
+'
+test_expect_success 'apply same filename with independent changes' '
+ modify "s/^d/z/" same_fn &&
+ git diff > patch0 &&
+ git add same_fn &&
+ modify "s/^i/y/" same_fn &&
+ git diff >> patch0 &&
+ cp same_fn same_fn2 &&
+ git reset --hard &&
+ git-apply patch0 &&
+ diff same_fn same_fn2
+'
+
+test_expect_success 'apply same filename with overlapping changes' '
+ git reset --hard
+ modify "s/^d/z/" same_fn &&
+ git diff > patch0 &&
+ git add same_fn &&
+ modify "s/^e/y/" same_fn &&
+ git diff >> patch0 &&
+ cp same_fn same_fn2 &&
+ git reset --hard &&
+ git-apply patch0 &&
+ diff same_fn same_fn2
+'
+
+test_expect_success 'apply same new filename after rename' '
+ git reset --hard
+ git mv same_fn new_fn
+ modify "s/^d/z/" new_fn &&
+ git add new_fn &&
+ git diff -M --cached > patch1 &&
+ modify "s/^e/y/" new_fn &&
+ git diff >> patch1 &&
+ cp new_fn new_fn2 &&
+ git reset --hard &&
+ git apply --index patch1 &&
+ diff new_fn new_fn2
+'
+
+test_expect_success 'apply same old filename after rename -- should fail.' '
+ git reset --hard
+ git mv same_fn new_fn
+ modify "s/^d/z/" new_fn &&
+ git add new_fn &&
+ git diff -M --cached > patch1 &&
+ git mv new_fn same_fn
+ modify "s/^e/y/" same_fn &&
+ git diff >> patch1 &&
+ git reset --hard &&
+ test_must_fail git apply patch1
+'
+
+test_expect_success 'apply A->B (rename), C->A (rename), A->A -- should pass.' '
+ git reset --hard
+ git mv same_fn new_fn
+ modify "s/^d/z/" new_fn &&
+ git add new_fn &&
+ git diff -M --cached > patch1 &&
+ git commit -m "a rename" &&
+ git mv other_fn same_fn
+ modify "s/^e/y/" same_fn &&
+ git add same_fn &&
+ git diff -M --cached >> patch1 &&
+ modify "s/^g/x/" same_fn &&
+ git diff >> patch1 &&
+ git reset --hard HEAD^ &&
+ git apply patch1
+'
+
+test_done