merge-recursive: D/F conflicts where was_a_dir/file -> was_a_dir

diff --git a/t/test-lib.sh b/t/test-lib.sh
index 4167138250f914f48fc989f814512ee0f7d4dff0..830e5e7360350a424a2fe6016a03c913209f7557 100644 (file)
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -256,6 +256,10 @@ q_to_cr () {
        tr Q '\015'
 }
 
+q_to_tab () {
+       tr Q '\011'
+}
+
 append_cr () {
        sed -e 's/$/Q/' | tr Q '\015'
 }
@@ -417,8 +421,14 @@ test_skip () {
        fi
        case "$to_skip" in
        t)
+               of_prereq=
+               if test "$missing_prereq" != "$prereq"
+               then
+                       of_prereq=" of $prereq"
+               fi
+
                say_color skip >&3 "skipping test: $@"
-               say_color skip "ok $test_count # skip $1 (missing $missing_prereq of $prereq)"
+               say_color skip "ok $test_count # skip $1 (missing $missing_prereq${of_prereq})"
                : true
                ;;
        *)
@@ -564,6 +574,38 @@ test_external_without_stderr () {
        fi
 }
 
+# debugging-friendly alternatives to "test [-f|-d|-e]"
+# The commands test the existence or non-existence of $1. $2 can be
+# given to provide a more precise diagnosis.
+test_path_is_file () {
+       if ! [ -f "$1" ]
+       then
+               echo "File $1 doesn't exist. $*"
+               false
+       fi
+}
+
+test_path_is_dir () {
+       if ! [ -d "$1" ]
+       then
+               echo "Directory $1 doesn't exist. $*"
+               false
+       fi
+}
+
+test_path_is_missing () {
+       if [ -e "$1" ]
+       then
+               echo "Path exists:"
+               ls -ld "$1"
+               if [ $# -ge 1 ]; then
+                       echo "$*"
+               fi
+               false
+       fi
+}
+
+
 # This is not among top-level (test_expect_success | test_expect_failure)
 # but is a prefix that can be used in the test script, like:
 #
@@ -578,7 +620,18 @@ test_external_without_stderr () {
 
 test_must_fail () {
        "$@"
-       test $? -gt 0 -a $? -le 129 -o $? -gt 192
+       exit_code=$?
+       if test $exit_code = 0; then
+               echo >&2 "test_must_fail: command succeeded: $*"
+               return 1
+       elif test $exit_code -gt 129 -a $exit_code -le 192; then
+               echo >&2 "test_must_fail: died by signal: $*"
+               return 1
+       elif test $exit_code = 127; then
+               echo >&2 "test_must_fail: command not found: $*"
+               return 1
+       fi
+       return 0
 }
 
 # Similar to test_must_fail, but tolerates success, too.  This is
@@ -594,7 +647,15 @@ test_must_fail () {
 
 test_might_fail () {
        "$@"
-       test $? -ge 0 -a $? -le 129 -o $? -gt 192
+       exit_code=$?
+       if test $exit_code -gt 129 -a $exit_code -le 192; then
+               echo >&2 "test_might_fail: died by signal: $*"
+               return 1
+       elif test $exit_code = 127; then
+               echo >&2 "test_might_fail: command not found: $*"
+               return 1
+       fi
+       return 0
 }
 
 # test_cmp is a helper function to compare actual and expected output.
@@ -644,14 +705,14 @@ test_when_finished () {
 test_create_repo () {
        test "$#" = 1 ||
        error "bug in the test script: not 1 parameter to test-create-repo"
-       owd=`pwd`
        repo="$1"
        mkdir -p "$repo"
-       cd "$repo" || error "Cannot setup test environment"
-       "$GIT_EXEC_PATH/git-init" "--template=$GIT_BUILD_DIR/templates/blt/" >&3 2>&4 ||
-       error "cannot run git init -- have you built things yet?"
-       mv .git/hooks .git/hooks-disabled
-       cd "$owd"
+       (
+               cd "$repo" || error "Cannot setup test environment"
+               "$GIT_EXEC_PATH/git-init" "--template=$GIT_BUILD_DIR/templates/blt/" >&3 2>&4 ||
+               error "cannot run git init -- have you built things yet?"
+               mv .git/hooks .git/hooks-disabled
+       ) || exit
 }
 
 test_done () {
@@ -859,6 +920,9 @@ test_create_repo "$test"
 # in subprocesses like git equals our $PWD (for pathname comparisons).
 cd -P "$test" || exit 1
 
+HOME=$(pwd)
+export HOME
+
 this_test=${0##*/}
 this_test=${this_test%%-*}
 for skp in $GIT_SKIP_TESTS