[PATCH] Rename/copy detection fix.

[git.git] / t / t4003-diff-rename-1.sh

diff --git a/t/t4003-diff-rename-1.sh b/t/t4003-diff-rename-1.sh
index 20d8ac5f8b5997bc1d60a2681186479cbca53c6a..999ee6054ea4481903e316e1a41a308ad9e746fb 100644 (file)
--- a/t/t4003-diff-rename-1.sh
+++ b/t/t4003-diff-rename-1.sh
@@ -11,7 +11,8 @@ test_description='More rename detection
 test_expect_success \
     'prepare reference tree' \
     'cat ../../COPYING >COPYING &&
-    git-update-cache --add COPYING &&
+     echo frotz >rezrov &&
+    git-update-cache --add COPYING rezrov &&
     tree=$(git-write-tree) &&
     echo $tree'
 
@@ -22,7 +23,12 @@ test_expect_success \
     rm -f COPYING &&
     git-update-cache --add --remove COPYING COPYING.?'
 
-GIT_DIFF_OPTS=-u0 git-diff-cache -M $tree |
+# tree has COPYING and rezrov.  work tree has COPYING.1 and COPYING.2,
+# both are slightly edited, and unchanged rezrov.  So we say you
+# copy-and-edit one, and rename-and-edit the other.  We do not say
+# anything about rezrov.
+
+GIT_DIFF_OPTS=--unified=0 git-diff-cache -M -p $tree |
 sed -e 's/\([0-9][0-9]*\)/#/g' >current &&
 cat >expected <<\EOF
 diff --git a/COPYING b/COPYING.#
@@ -58,9 +64,14 @@ test_expect_success \
 test_expect_success \
     'prepare work tree again' \
     'mv COPYING.2 COPYING &&
-     git-update-cache --add --remove COPYING COPYING.1'
+     git-update-cache --add --remove COPYING COPYING.1 COPYING.2'
 
-GIT_DIFF_OPTS=-u0 git-diff-cache -C $tree |
+# tree has COPYING and rezrov.  work tree has COPYING and COPYING.1,
+# both are slightly edited, and unchanged rezrov.  So we say you
+# edited one, and copy-and-edit the other.  We do not say
+# anything about rezrov.
+
+GIT_DIFF_OPTS=--unified=0 git-diff-cache -C -p $tree |
 sed -e 's/\([0-9][0-9]*\)/#/g' >current
 cat >expected <<\EOF
 diff --git a/COPYING b/COPYING.#
@@ -86,6 +97,35 @@ diff --git a/COPYING b/COPYING
 +      This file is licensed under the G.P.L v#, or a later version
 EOF
 
+test_expect_success \
+    'validate output from rename/copy detection' \
+    'diff -u current expected'
+
+test_expect_success \
+    'prepare work tree once again' \
+    'cat ../../COPYING >COPYING &&
+     git-update-cache --add --remove COPYING COPYING.1'
+
+# tree has COPYING and rezrov.  work tree has COPYING and COPYING.1,
+# but COPYING is not edited.  We say you copy-and-edit COPYING.1; this
+# is only possible because -C mode now reports the unmodified file to
+# the diff-core.  Unchanged rezrov, although being fed to
+# git-diff-cache as well, should not be mentioned.
+
+GIT_DIFF_OPTS=--unified=0 git-diff-cache -C -p $tree |
+sed -e 's/\([0-9][0-9]*\)/#/g' >current
+cat >expected <<\EOF
+diff --git a/COPYING b/COPYING.#
+similarity index #%
+copy from COPYING
+copy to COPYING.#
+--- a/COPYING
++++ b/COPYING.#
+@@ -# +# @@
+- HOWEVER, in order to allow a migration to GPLv# if that seems like
++ However, in order to allow a migration to GPLv# if that seems like
+EOF
+
 test_expect_success \
     'validate output from rename/copy detection' \
     'diff -u current expected'