write_index: optionally allow broken null sha1s

diff --git a/t/t9902-completion.sh b/t/t9902-completion.sh
index adc1372b3c334b4305761f6c3922493c85a0822a..a71d8b41e35494f2a17fd26637ec23c0baf9ade8 100755 (executable)
--- a/t/t9902-completion.sh
+++ b/t/t9902-completion.sh
@@ -69,6 +69,7 @@ run_completion ()
        local -a COMPREPLY _words
        local _cword
        _words=( $1 )
+       test "${1: -1}" = ' ' && _words+=('')
        (( _cword = ${#_words[@]} - 1 ))
        __git_wrap__git_main && print_comp
 }
@@ -104,6 +105,23 @@ test_gitcomp ()
        test_cmp expected out
 }
 
+# Test __gitcomp_nl
+# Arguments are:
+# 1: current word (cur)
+# -: the rest are passed to __gitcomp_nl
+test_gitcomp_nl ()
+{
+       local -a COMPREPLY &&
+       sed -e 's/Z$//' >expected &&
+       cur="$1" &&
+       shift &&
+       __gitcomp_nl "$@" &&
+       print_comp &&
+       test_cmp expected out
+}
+
+invalid_variable_name='${foo.bar}'
+
 test_expect_success '__gitcomp - trailing space - options' '
        test_gitcomp "--re" "--dry-run --reuse-message= --reedit-message=
                --reset-author" <<-EOF
@@ -147,8 +165,51 @@ test_expect_success '__gitcomp - suffix' '
        EOF
 '
 
+test_expect_success '__gitcomp - doesnt fail because of invalid variable name' '
+       __gitcomp "$invalid_variable_name"
+'
+
+read -r -d "" refs <<-\EOF
+maint
+master
+next
+pu
+EOF
+
+test_expect_success '__gitcomp_nl - trailing space' '
+       test_gitcomp_nl "m" "$refs" <<-EOF
+       maint Z
+       master Z
+       EOF
+'
+
+test_expect_success '__gitcomp_nl - prefix' '
+       test_gitcomp_nl "--fixup=m" "$refs" "--fixup=" "m" <<-EOF
+       --fixup=maint Z
+       --fixup=master Z
+       EOF
+'
+
+test_expect_success '__gitcomp_nl - suffix' '
+       test_gitcomp_nl "branch.ma" "$refs" "branch." "ma" "." <<-\EOF
+       branch.maint.Z
+       branch.master.Z
+       EOF
+'
+
+test_expect_success '__gitcomp_nl - no suffix' '
+       test_gitcomp_nl "ma" "$refs" "" "ma" "" <<-\EOF
+       maintZ
+       masterZ
+       EOF
+'
+
+test_expect_success '__gitcomp_nl - doesnt fail because of invalid variable name' '
+       __gitcomp_nl "$invalid_variable_name"
+'
+
 test_expect_success 'basic' '
-       run_completion "git \"\"" &&
+       run_completion "git " &&
        # built-in
        grep -q "^add \$" out &&
        # script
@@ -271,7 +332,7 @@ test_expect_success 'complete tree filename with spaces' '
        EOF
 '
 
-test_expect_failure 'complete tree filename with metacharacters' '
+test_expect_success 'complete tree filename with metacharacters' '
        echo content >"name with \${meta}" &&
        git add . &&
        git commit -m meta &&