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-rwxr-xr-xt/t4124-apply-ws-rule.sh434
1 files changed, 434 insertions, 0 deletions
diff --git a/t/t4124-apply-ws-rule.sh b/t/t4124-apply-ws-rule.sh
new file mode 100755
index 0000000000..fb9ad247bf
--- /dev/null
+++ b/t/t4124-apply-ws-rule.sh
@@ -0,0 +1,434 @@
+#!/bin/sh
+
+test_description='core.whitespace rules and git apply'
+
+. ./test-lib.sh
+
+prepare_test_file () {
+
+ # A line that has character X is touched iff RULE is in effect:
+ # X RULE
+ # ! trailing-space
+ # @ space-before-tab
+ # # indent-with-non-tab
+ sed -e "s/_/ /g" -e "s/>/ /" <<-\EOF
+ 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
+}
+
+apply_patch () {
+ >target &&
+ sed -e "s|\([ab]\)/file|\1/target|" <patch |
+ git apply "$@"
+}
+
+test_fix () {
+
+ # fix should not barf
+ apply_patch --whitespace=fix || return 1
+
+ # find touched lines
+ diff file target | sed -n -e "s/^> //p" >fixed
+
+ # the changed lines are all expeced to change
+ fixed_cnt=$(wc -l <fixed)
+ case "$1" in
+ '') expect_cnt=$fixed_cnt ;;
+ ?*) expect_cnt=$(grep "[$1]" <fixed | wc -l) ;;
+ esac
+ test $fixed_cnt -eq $expect_cnt || return 1
+
+ # and we are not missing anything
+ case "$1" in
+ '') expect_cnt=0 ;;
+ ?*) expect_cnt=$(grep "[$1]" <file | wc -l) ;;
+ esac
+ test $fixed_cnt -eq $expect_cnt || return 1
+
+ # Get the patch actually applied
+ git diff-files -p target >fixed-patch
+ test -s fixed-patch && return 0
+
+ # Make sure it is complaint-free
+ >target
+ git apply --whitespace=error-all <fixed-patch
+
+}
+
+test_expect_success setup '
+
+ >file &&
+ git add file &&
+ prepare_test_file >file &&
+ git diff-files -p >patch &&
+ >target &&
+ git add target
+
+'
+
+test_expect_success 'whitespace=nowarn, default rule' '
+
+ apply_patch --whitespace=nowarn &&
+ diff file target
+
+'
+
+test_expect_success 'whitespace=warn, default rule' '
+
+ apply_patch --whitespace=warn &&
+ diff file target
+
+'
+
+test_expect_success 'whitespace=error-all, default rule' '
+
+ apply_patch --whitespace=error-all && return 1
+ test -s target && return 1
+ : happy
+
+'
+
+test_expect_success 'whitespace=error-all, no rule' '
+
+ git config core.whitespace -trailing,-space-before,-indent &&
+ apply_patch --whitespace=error-all &&
+ diff file target
+
+'
+
+test_expect_success 'whitespace=error-all, no rule (attribute)' '
+
+ git config --unset core.whitespace &&
+ echo "target -whitespace" >.gitattributes &&
+ apply_patch --whitespace=error-all &&
+ diff file target
+
+'
+
+for t in - ''
+do
+ case "$t" in '') tt='!' ;; *) tt= ;; esac
+ for s in - ''
+ do
+ case "$s" in '') ts='@' ;; *) ts= ;; esac
+ for i in - ''
+ do
+ case "$i" in '') ti='#' ;; *) ti= ;; esac
+ rule=${t}trailing,${s}space,${i}indent
+
+ rm -f .gitattributes
+ test_expect_success "rule=$rule" '
+ git config core.whitespace "$rule" &&
+ test_fix "$tt$ts$ti"
+ '
+
+ test_expect_success "rule=$rule (attributes)" '
+ git config --unset core.whitespace &&
+ echo "target whitespace=$rule" >.gitattributes &&
+ test_fix "$tt$ts$ti"
+ '
+
+ done
+ done
+done
+
+create_patch () {
+ sed -e "s/_/ /" <<-\EOF
+ diff --git a/target b/target
+ index e69de29..8bd6648 100644
+ --- a/target
+ +++ b/target
+ @@ -0,0 +1,3 @@
+ +An empty line follows
+ +
+ +A line with trailing whitespace and no newline_
+ \ No newline at end of file
+ EOF
+}
+
+test_expect_success 'trailing whitespace & no newline at the end of file' '
+ >target &&
+ create_patch >patch-file &&
+ git apply --whitespace=fix patch-file &&
+ grep "newline$" target &&
+ grep "^$" target
+'
+
+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
+
+ { echo a; echo b; echo c; } >one &&
+ git add one &&
+ { echo a; echo b; echo c; } >expect &&
+ { cat expect; echo; } >one &&
+ git diff -- one >patch &&
+
+ git checkout one &&
+ git apply --whitespace=fix patch &&
+ test_cmp expect one
+'
+
+test_expect_success 'blank at EOF with --whitespace=fix (2)' '
+ { echo a; echo b; echo c; } >one &&
+ git add one &&
+ { echo a; echo c; } >expect &&
+ { cat expect; echo; echo; } >one &&
+ git diff -- one >patch &&
+
+ git checkout one &&
+ git apply --whitespace=fix patch &&
+ test_cmp expect one
+'
+
+test_expect_success 'blank at EOF with --whitespace=fix (3)' '
+ { echo a; echo b; echo; } >one &&
+ git add one &&
+ { echo a; echo c; echo; } >expect &&
+ { cat expect; echo; echo; } >one &&
+ git diff -- one >patch &&
+
+ git checkout one &&
+ git apply --whitespace=fix patch &&
+ test_cmp expect one
+'
+
+test_expect_success 'blank at end of hunk, not at EOF with --whitespace=fix' '
+ { echo a; echo b; echo; echo; echo; echo; echo; echo d; } >one &&
+ git add one &&
+ { echo a; echo c; echo; echo; echo; echo; echo; echo; echo d; } >expect &&
+ cp expect one &&
+ git diff -- one >patch &&
+
+ git checkout one &&
+ git apply --whitespace=fix patch &&
+ test_cmp expect one
+'
+
+test_expect_success 'blank at EOF with --whitespace=warn' '
+ { echo a; echo b; echo c; } >one &&
+ git add one &&
+ echo >>one &&
+ cat one >expect &&
+ git diff -- one >patch &&
+
+ git checkout one &&
+ git apply --whitespace=warn patch 2>error &&
+ test_cmp expect one &&
+ grep "new blank line at EOF" error
+'
+
+test_expect_success 'blank at EOF with --whitespace=error' '
+ { echo a; echo b; echo c; } >one &&
+ git add one &&
+ cat one >expect &&
+ echo >>one &&
+ git diff -- one >patch &&
+
+ git checkout one &&
+ test_must_fail git apply --whitespace=error patch 2>error &&
+ test_cmp expect one &&
+ grep "new blank line at EOF" error
+'
+
+test_expect_success 'blank but not empty at EOF' '
+ { echo a; echo b; echo c; } >one &&
+ git add one &&
+ echo " " >>one &&
+ cat one >expect &&
+ git diff -- one >patch &&
+
+ git checkout one &&
+ git apply --whitespace=warn patch 2>error &&
+ test_cmp expect one &&
+ grep "new blank line at EOF" error
+'
+
+test_expect_success 'applying beyond EOF requires one non-blank context line' '
+ { echo; echo; echo; echo; } >one &&
+ git add one &&
+ { echo b; } >>one &&
+ git diff -- one >patch &&
+
+ git checkout one &&
+ { echo a; echo; } >one &&
+ cp one expect &&
+ test_must_fail git apply --whitespace=fix patch &&
+ test_cmp one expect &&
+ test_must_fail git apply --ignore-space-change --whitespace=fix patch &&
+ test_cmp one expect
+'
+
+test_expect_success 'tons of blanks at EOF should not apply' '
+ for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16; do
+ echo; echo; echo; echo;
+ done >one &&
+ git add one &&
+ echo a >>one &&
+ git diff -- one >patch &&
+
+ >one &&
+ test_must_fail git apply --whitespace=fix patch &&
+ test_must_fail git apply --ignore-space-change --whitespace=fix patch
+'
+
+test_expect_success 'missing blank line at end with --whitespace=fix' '
+ echo a >one &&
+ echo >>one &&
+ git add one &&
+ echo b >>one &&
+ cp one expect &&
+ git diff -- one >patch &&
+ echo a >one &&
+ cp one saved-one &&
+ test_must_fail git apply patch &&
+ git apply --whitespace=fix patch &&
+ test_cmp one expect &&
+ mv saved-one one &&
+ git apply --ignore-space-change --whitespace=fix patch &&
+ test_cmp one expect
+'
+
+test_expect_success 'two missing blank lines at end with --whitespace=fix' '
+ { echo a; echo; echo b; echo c; } >one &&
+ cp one no-blank-lines &&
+ { echo; echo; } >>one &&
+ git add one &&
+ echo d >>one &&
+ cp one expect &&
+ echo >>one &&
+ git diff -- one >patch &&
+ cp no-blank-lines one &&
+ test_must_fail git apply patch &&
+ git apply --whitespace=fix patch &&
+ test_cmp one expect &&
+ mv no-blank-lines one &&
+ test_must_fail git apply patch &&
+ git apply --ignore-space-change --whitespace=fix patch &&
+ test_cmp one expect
+'
+
+test_expect_success 'shrink file with tons of missing blanks at end of file' '
+ { echo a; echo b; echo c; } >one &&
+ cp one no-blank-lines &&
+ for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16; do
+ echo; echo; echo; echo;
+ done >>one &&
+ git add one &&
+ echo a >one &&
+ cp one expect &&
+ git diff -- one >patch &&
+ cp no-blank-lines one &&
+ test_must_fail git apply patch &&
+ git apply --whitespace=fix patch &&
+ test_cmp one expect &&
+ mv no-blank-lines one &&
+ git apply --ignore-space-change --whitespace=fix patch &&
+ test_cmp one expect
+'
+
+test_expect_success 'missing blanks at EOF must only match blank lines' '
+ { echo a; echo b; } >one &&
+ git add one &&
+ { echo c; echo d; } >>one &&
+ git diff -- one >patch &&
+
+ echo a >one &&
+ 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
+'
+
+sed -e's/Z//' >one <<EOF
+a
+b
+c
+ Z
+EOF
+
+test_expect_success 'missing blank line should match context line with spaces' '
+ git add one &&
+ echo d >>one &&
+ git diff -- one >patch &&
+ { echo a; echo b; echo c; } >one &&
+ cp one expect &&
+ { echo; echo d; } >>expect &&
+ git add one &&
+
+ git apply --whitespace=fix patch &&
+ test_cmp one expect
+'
+
+sed -e's/Z//' >one <<EOF
+a
+b
+c
+ Z
+EOF
+
+test_expect_success 'same, but with the --ignore-space-option' '
+ git add one &&
+ echo d >>one &&
+ cp one expect &&
+ git diff -- one >patch &&
+ { echo a; echo b; echo c; } >one &&
+ git add one &&
+
+ git checkout-index -f one &&
+ git apply --ignore-space-change --whitespace=fix patch &&
+ test_cmp one expect
+'
+
+test_expect_success 'same, but with CR-LF line endings && cr-at-eol set' '
+ git config core.whitespace cr-at-eol &&
+ printf "a\r\n" >one &&
+ printf "b\r\n" >>one &&
+ printf "c\r\n" >>one &&
+ cp one save-one &&
+ printf " \r\n" >>one
+ git add one &&
+ printf "d\r\n" >>one &&
+ cp one expect &&
+ git diff -- one >patch &&
+ mv save-one one &&
+
+ git apply --ignore-space-change --whitespace=fix patch &&
+ test_cmp one expect
+'
+
+test_expect_success 'same, but with CR-LF line endings && cr-at-eol unset' '
+ git config --unset core.whitespace &&
+ printf "a\r\n" >one &&
+ printf "b\r\n" >>one &&
+ printf "c\r\n" >>one &&
+ cp one save-one &&
+ printf " \r\n" >>one
+ git add one &&
+ cp one expect &&
+ printf "d\r\n" >>one &&
+ git diff -- one >patch &&
+ mv save-one one &&
+ echo d >>expect &&
+
+ git apply --ignore-space-change --whitespace=fix patch &&
+ test_cmp one expect
+'
+
+test_done