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-rwxr-xr-xt/t0020-crlf.sh399
1 files changed, 399 insertions, 0 deletions
diff --git a/t/t0020-crlf.sh b/t/t0020-crlf.sh
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+++ b/t/t0020-crlf.sh
@@ -0,0 +1,399 @@
+#!/bin/sh
+
+test_description='CRLF conversion'
+
+. ./test-lib.sh
+
+has_cr() {
+ tr '\015' Q <"$1" | grep Q >/dev/null
+}
+
+# add or remove CRs to disk file in-place
+# usage: munge_cr <append|remove> <file>
+munge_cr () {
+ "${1}_cr" <"$2" >tmp &&
+ mv tmp "$2"
+}
+
+test_expect_success setup '
+
+ git config core.autocrlf false &&
+
+ for w in Hello world how are you; do echo $w; done >one &&
+ mkdir dir &&
+ for w in I am very very fine thank you; do echo $w; done >dir/two &&
+ for w in Oh here is NULQin text here; do echo $w; done | q_to_nul >three &&
+ git add . &&
+
+ git commit -m initial &&
+
+ one=$(git rev-parse HEAD:one) &&
+ dir=$(git rev-parse HEAD:dir) &&
+ two=$(git rev-parse HEAD:dir/two) &&
+ three=$(git rev-parse HEAD:three) &&
+
+ for w in Some extra lines here; do echo $w; done >>one &&
+ git diff >patch.file &&
+ patched=$(git hash-object --stdin <one) &&
+ git read-tree --reset -u HEAD
+'
+
+test_expect_success 'safecrlf: autocrlf=input, all CRLF' '
+
+ git config core.autocrlf input &&
+ git config core.safecrlf true &&
+
+ for w in I am all CRLF; do echo $w; done | append_cr >allcrlf &&
+ test_must_fail git add allcrlf
+'
+
+test_expect_success 'safecrlf: autocrlf=input, mixed LF/CRLF' '
+
+ git config core.autocrlf input &&
+ git config core.safecrlf true &&
+
+ for w in Oh here is CRLFQ in text; do echo $w; done | q_to_cr >mixed &&
+ test_must_fail git add mixed
+'
+
+test_expect_success 'safecrlf: autocrlf=true, all LF' '
+
+ git config core.autocrlf true &&
+ git config core.safecrlf true &&
+
+ for w in I am all LF; do echo $w; done >alllf &&
+ test_must_fail git add alllf
+'
+
+test_expect_success 'safecrlf: autocrlf=true mixed LF/CRLF' '
+
+ git config core.autocrlf true &&
+ git config core.safecrlf true &&
+
+ for w in Oh here is CRLFQ in text; do echo $w; done | q_to_cr >mixed &&
+ test_must_fail git add mixed
+'
+
+test_expect_success 'safecrlf: print warning only once' '
+
+ git config core.autocrlf input &&
+ git config core.safecrlf warn &&
+
+ for w in I am all LF; do echo $w; done >doublewarn &&
+ git add doublewarn &&
+ git commit -m "nowarn" &&
+ for w in Oh here is CRLFQ in text; do echo $w; done | q_to_cr >doublewarn &&
+ git add doublewarn 2>err &&
+ if test_have_prereq C_LOCALE_OUTPUT
+ then
+ test $(grep "CRLF will be replaced by LF" err | wc -l) = 1
+ fi
+'
+
+
+test_expect_success 'safecrlf: git diff demotes safecrlf=true to warn' '
+ git config core.autocrlf input &&
+ git config core.safecrlf true &&
+ git diff HEAD
+'
+
+
+test_expect_success 'safecrlf: no warning with safecrlf=false' '
+ git config core.autocrlf input &&
+ git config core.safecrlf false &&
+
+ for w in I am all CRLF; do echo $w; done | append_cr >allcrlf &&
+ git add allcrlf 2>err &&
+ test_must_be_empty err
+'
+
+
+test_expect_success 'switch off autocrlf, safecrlf, reset HEAD' '
+ git config core.autocrlf false &&
+ git config core.safecrlf false &&
+ git reset --hard HEAD^
+'
+
+test_expect_success 'update with autocrlf=input' '
+
+ rm -f tmp one dir/two three &&
+ git read-tree --reset -u HEAD &&
+ git config core.autocrlf input &&
+ munge_cr append one &&
+ munge_cr append dir/two &&
+ git update-index -- one dir/two &&
+ differs=$(git diff-index --cached HEAD) &&
+ verbose test -z "$differs"
+
+'
+
+test_expect_success 'update with autocrlf=true' '
+
+ rm -f tmp one dir/two three &&
+ git read-tree --reset -u HEAD &&
+ git config core.autocrlf true &&
+ munge_cr append one &&
+ munge_cr append dir/two &&
+ git update-index -- one dir/two &&
+ differs=$(git diff-index --cached HEAD) &&
+ verbose test -z "$differs"
+
+'
+
+test_expect_success 'checkout with autocrlf=true' '
+
+ rm -f tmp one dir/two three &&
+ git config core.autocrlf true &&
+ git read-tree --reset -u HEAD &&
+ munge_cr remove one &&
+ munge_cr remove dir/two &&
+ git update-index -- one dir/two &&
+ test "$one" = $(git hash-object --stdin <one) &&
+ test "$two" = $(git hash-object --stdin <dir/two) &&
+ differs=$(git diff-index --cached HEAD) &&
+ verbose test -z "$differs"
+'
+
+test_expect_success 'checkout with autocrlf=input' '
+
+ rm -f tmp one dir/two three &&
+ git config core.autocrlf input &&
+ git read-tree --reset -u HEAD &&
+ ! has_cr one &&
+ ! has_cr dir/two &&
+ git update-index -- one dir/two &&
+ test "$one" = $(git hash-object --stdin <one) &&
+ test "$two" = $(git hash-object --stdin <dir/two) &&
+ differs=$(git diff-index --cached HEAD) &&
+ verbose test -z "$differs"
+'
+
+test_expect_success 'apply patch (autocrlf=input)' '
+
+ rm -f tmp one dir/two three &&
+ git config core.autocrlf input &&
+ git read-tree --reset -u HEAD &&
+
+ git apply patch.file &&
+ verbose test "$patched" = "$(git hash-object --stdin <one)"
+'
+
+test_expect_success 'apply patch --cached (autocrlf=input)' '
+
+ rm -f tmp one dir/two three &&
+ git config core.autocrlf input &&
+ git read-tree --reset -u HEAD &&
+
+ git apply --cached patch.file &&
+ verbose test "$patched" = $(git rev-parse :one)
+'
+
+test_expect_success 'apply patch --index (autocrlf=input)' '
+
+ rm -f tmp one dir/two three &&
+ git config core.autocrlf input &&
+ git read-tree --reset -u HEAD &&
+
+ git apply --index patch.file &&
+ verbose test "$patched" = $(git rev-parse :one) &&
+ verbose test "$patched" = $(git hash-object --stdin <one)
+'
+
+test_expect_success 'apply patch (autocrlf=true)' '
+
+ rm -f tmp one dir/two three &&
+ git config core.autocrlf true &&
+ git read-tree --reset -u HEAD &&
+
+ git apply patch.file &&
+ verbose test "$patched" = "$(remove_cr <one | git hash-object --stdin)"
+'
+
+test_expect_success 'apply patch --cached (autocrlf=true)' '
+
+ rm -f tmp one dir/two three &&
+ git config core.autocrlf true &&
+ git read-tree --reset -u HEAD &&
+
+ git apply --cached patch.file &&
+ verbose test "$patched" = $(git rev-parse :one)
+'
+
+test_expect_success 'apply patch --index (autocrlf=true)' '
+
+ rm -f tmp one dir/two three &&
+ git config core.autocrlf true &&
+ git read-tree --reset -u HEAD &&
+
+ git apply --index patch.file &&
+ verbose test "$patched" = $(git rev-parse :one) &&
+ verbose test "$patched" = "$(remove_cr <one | git hash-object --stdin)"
+'
+
+test_expect_success '.gitattributes says two is binary' '
+
+ rm -f tmp one dir/two three &&
+ echo "two -crlf" >.gitattributes &&
+ git config core.autocrlf true &&
+ git read-tree --reset -u HEAD &&
+
+ ! has_cr dir/two &&
+ verbose has_cr one &&
+ ! has_cr three
+'
+
+test_expect_success '.gitattributes says two is input' '
+
+ rm -f tmp one dir/two three &&
+ echo "two crlf=input" >.gitattributes &&
+ git read-tree --reset -u HEAD &&
+
+ ! has_cr dir/two
+'
+
+test_expect_success '.gitattributes says two and three are text' '
+
+ rm -f tmp one dir/two three &&
+ echo "t* crlf" >.gitattributes &&
+ git read-tree --reset -u HEAD &&
+
+ verbose has_cr dir/two &&
+ verbose has_cr three
+'
+
+test_expect_success 'in-tree .gitattributes (1)' '
+
+ echo "one -crlf" >>.gitattributes &&
+ git add .gitattributes &&
+ git commit -m "Add .gitattributes" &&
+
+ rm -rf tmp one dir .gitattributes patch.file three &&
+ git read-tree --reset -u HEAD &&
+
+ ! has_cr one &&
+ verbose has_cr three
+'
+
+test_expect_success 'in-tree .gitattributes (2)' '
+
+ rm -rf tmp one dir .gitattributes patch.file three &&
+ git read-tree --reset HEAD &&
+ git checkout-index -f -q -u -a &&
+
+ ! has_cr one &&
+ verbose has_cr three
+'
+
+test_expect_success 'in-tree .gitattributes (3)' '
+
+ rm -rf tmp one dir .gitattributes patch.file three &&
+ git read-tree --reset HEAD &&
+ git checkout-index -u .gitattributes &&
+ git checkout-index -u one dir/two three &&
+
+ ! has_cr one &&
+ verbose has_cr three
+'
+
+test_expect_success 'in-tree .gitattributes (4)' '
+
+ rm -rf tmp one dir .gitattributes patch.file three &&
+ git read-tree --reset HEAD &&
+ git checkout-index -u one dir/two three &&
+ git checkout-index -u .gitattributes &&
+
+ ! has_cr one &&
+ verbose has_cr three
+'
+
+test_expect_success 'checkout with existing .gitattributes' '
+
+ git config core.autocrlf true &&
+ git config --unset core.safecrlf &&
+ echo ".file2 -crlfQ" | q_to_cr >> .gitattributes &&
+ git add .gitattributes &&
+ git commit -m initial &&
+ echo ".file -crlfQ" | q_to_cr >> .gitattributes &&
+ echo "contents" > .file &&
+ git add .gitattributes .file &&
+ git commit -m second &&
+
+ git checkout master~1 &&
+ git checkout master &&
+ test "$(git diff-files --raw)" = ""
+
+'
+
+test_expect_success 'checkout when deleting .gitattributes' '
+
+ git rm .gitattributes &&
+ echo "contentsQ" | q_to_cr > .file2 &&
+ git add .file2 &&
+ git commit -m third &&
+
+ git checkout master~1 &&
+ git checkout master &&
+ has_cr .file2
+
+'
+
+test_expect_success 'invalid .gitattributes (must not crash)' '
+
+ echo "three +crlf" >>.gitattributes &&
+ git diff
+
+'
+# Some more tests here to add new autocrlf functionality.
+# We want to have a known state here, so start a bit from scratch
+
+test_expect_success 'setting up for new autocrlf tests' '
+ git config core.autocrlf false &&
+ git config core.safecrlf false &&
+ rm -rf .????* * &&
+ for w in I am all LF; do echo $w; done >alllf &&
+ for w in Oh here is CRLFQ in text; do echo $w; done | q_to_cr >mixed &&
+ for w in I am all CRLF; do echo $w; done | append_cr >allcrlf &&
+ git add -A . &&
+ git commit -m "alllf, allcrlf and mixed only" &&
+ git tag -a -m "message" autocrlf-checkpoint
+'
+
+test_expect_success 'report no change after setting autocrlf' '
+ git config core.autocrlf true &&
+ touch * &&
+ git diff --exit-code
+'
+
+test_expect_success 'files are clean after checkout' '
+ rm * &&
+ git checkout -f &&
+ git diff --exit-code
+'
+
+cr_to_Q_no_NL () {
+ tr '\015' Q | tr -d '\012'
+}
+
+test_expect_success 'LF only file gets CRLF with autocrlf' '
+ test "$(cr_to_Q_no_NL < alllf)" = "IQamQallQLFQ"
+'
+
+test_expect_success 'Mixed file is still mixed with autocrlf' '
+ test "$(cr_to_Q_no_NL < mixed)" = "OhhereisCRLFQintext"
+'
+
+test_expect_success 'CRLF only file has CRLF with autocrlf' '
+ test "$(cr_to_Q_no_NL < allcrlf)" = "IQamQallQCRLFQ"
+'
+
+test_expect_success 'New CRLF file gets LF in repo' '
+ tr -d "\015" < alllf | append_cr > alllf2 &&
+ git add alllf2 &&
+ git commit -m "alllf2 added" &&
+ git config core.autocrlf false &&
+ rm * &&
+ git checkout -f &&
+ test_cmp alllf alllf2
+'
+
+test_done