stash doc: add a warning about using create

diff --git a/t/t4124-apply-ws-rule.sh b/t/t4124-apply-ws-rule.sh
index 8a676a5dcd113418c2bd4ea4aa885fddd5951a3a..5d0c5983381b4072d915de0f8d75053b19172d66 100755 (executable)
--- a/t/t4124-apply-ws-rule.sh
+++ b/t/t4124-apply-ws-rule.sh
@@ -10,7 +10,8 @@ prepare_test_file () {
        #       X  RULE
        #       !  trailing-space
        #       @  space-before-tab
-       #       #  indent-with-non-tab
+       #       #  indent-with-non-tab (default tab width 8)
+       #       =  indent-with-non-tab,tabwidth=16
        #       %  tab-in-indent
        sed -e "s/_/ /g" -e "s/>/       /" <<-\EOF
                An_SP in an ordinary line>and a HT.
@@ -25,8 +26,8 @@ prepare_test_file () {
                ________>_Eight SP, a HT and a SP (@#%).
                _______________Fifteen SP (#).
                _______________>Fifteen SP and a HT (@#%).
-               ________________Sixteen SP (#).
-               ________________>Sixteen SP and a HT (@#%).
+               ________________Sixteen SP (#=).
+               ________________>Sixteen SP and a HT (@#%=).
                _____a__Five SP, a non WS, two SP.
                A line with a (!) trailing SP_
                A line with a (!) trailing HT>
@@ -46,7 +47,7 @@ test_fix () {
        # find touched lines
        $DIFF file target | sed -n -e "s/^> //p" >fixed
 
-       # the changed lines are all expeced to change
+       # the changed lines are all expected to change
        fixed_cnt=$(wc -l <fixed)
        case "$1" in
        '') expect_cnt=$fixed_cnt ;;
@@ -121,6 +122,34 @@ test_expect_success 'whitespace=error-all, no rule (attribute)' '
 
 '
 
+test_expect_success 'spaces inserted by tab-in-indent' '
+
+       git config core.whitespace -trailing,-space,-indent,tab &&
+       rm -f .gitattributes &&
+       test_fix % &&
+       sed -e "s/_/ /g" -e "s/>/       /" <<-\EOF >expect &&
+               An_SP in an ordinary line>and a HT.
+               ________A HT (%).
+               ________A SP and a HT (@%).
+               _________A SP, a HT and a SP (@%).
+               _______Seven SP.
+               ________Eight SP (#).
+               ________Seven SP and a HT (@%).
+               ________________Eight SP and a HT (@#%).
+               _________Seven SP, a HT and a SP (@%).
+               _________________Eight SP, a HT and a SP (@#%).
+               _______________Fifteen SP (#).
+               ________________Fifteen SP and a HT (@#%).
+               ________________Sixteen SP (#=).
+               ________________________Sixteen SP and a HT (@#%=).
+               _____a__Five SP, a non WS, two SP.
+               A line with a (!) trailing SP_
+               A line with a (!) trailing HT>
+       EOF
+       test_cmp expect target
+
+'
+
 for t in - ''
 do
        case "$t" in '') tt='!' ;; *) tt= ;; esac
@@ -129,7 +158,7 @@ do
                case "$s" in '') ts='@' ;; *) ts= ;; esac
                for i in - ''
                do
-                       case "$i" in '') ti='#' ;; *) ti= ;; esac
+                       case "$i" in '') ti='#' ti16='=';; *) ti= ti16= ;; esac
                        for h in - ''
                        do
                                [ -z "$h$i" ] && continue
@@ -142,12 +171,22 @@ do
                                        test_fix "$tt$ts$ti$th"
                                '
 
+                               test_expect_success "rule=$rule,tabwidth=16" '
+                                       git config core.whitespace "$rule,tabwidth=16" &&
+                                       test_fix "$tt$ts$ti16$th"
+                               '
+
                                test_expect_success "rule=$rule (attributes)" '
                                        git config --unset core.whitespace &&
                                        echo "target whitespace=$rule" >.gitattributes &&
                                        test_fix "$tt$ts$ti$th"
                                '
 
+                               test_expect_success "rule=$rule,tabwidth=16 (attributes)" '
+                                       echo "target whitespace=$rule,tabwidth=16" >.gitattributes &&
+                                       test_fix "$tt$ts$ti16$th"
+                               '
+
                        done
                done
        done
@@ -176,9 +215,8 @@ test_expect_success 'trailing whitespace & no newline at the end of file' '
 '
 
 test_expect_success 'blank at EOF with --whitespace=fix (1)' '
-       : these can fail depending on what we did before
-       git config --unset core.whitespace
-       rm -f .gitattributes
+       test_might_fail git config --unset core.whitespace &&
+       rm -f .gitattributes &&
 
        { echo a; echo b; echo c; } >one &&
        git add one &&
@@ -368,7 +406,7 @@ test_expect_success 'missing blanks at EOF must only match blank lines' '
        git diff -- one >patch &&
 
        echo a >one &&
-       test_must_fail git apply patch
+       test_must_fail git apply patch &&
        test_must_fail git apply --whitespace=fix patch &&
        test_must_fail git apply --ignore-space-change --whitespace=fix patch
 '
@@ -419,7 +457,7 @@ test_expect_success 'same, but with CR-LF line endings && cr-at-eol set' '
        printf "b\r\n" >>one &&
        printf "c\r\n" >>one &&
        cp one save-one &&
-       printf "                 \r\n" >>one
+       printf "                 \r\n" >>one &&
        git add one &&
        printf "d\r\n" >>one &&
        cp one expect &&
@@ -436,7 +474,7 @@ test_expect_success 'same, but with CR-LF line endings && cr-at-eol unset' '
        printf "b\r\n" >>one &&
        printf "c\r\n" >>one &&
        cp one save-one &&
-       printf "                 \r\n" >>one
+       printf "                 \r\n" >>one &&
        git add one &&
        cp one expect &&
        printf "d\r\n" >>one &&
@@ -448,4 +486,30 @@ test_expect_success 'same, but with CR-LF line endings && cr-at-eol unset' '
        test_cmp one expect
 '
 
+test_expect_success 'whitespace=fix to expand' '
+       qz_to_tab_space >preimage <<-\EOF &&
+       QQa
+       QQb
+       QQc
+       ZZZZZZZZZZZZZZZZd
+       QQe
+       QQf
+       QQg
+       EOF
+       qz_to_tab_space >patch <<-\EOF &&
+       diff --git a/preimage b/preimage
+       --- a/preimage
+       +++ b/preimage
+       @@ -1,7 +1,6 @@
+        QQa
+        QQb
+        QQc
+       -QQd
+        QQe
+        QQf
+        QQg
+       EOF
+       git -c core.whitespace=tab-in-indent apply --whitespace=fix patch
+'
+
 test_done