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-rwxr-xr-xt/t0027-auto-crlf.sh360
1 files changed, 360 insertions, 0 deletions
diff --git a/t/t0027-auto-crlf.sh b/t/t0027-auto-crlf.sh
new file mode 100755
index 0000000..1a56e5e
--- /dev/null
+++ b/t/t0027-auto-crlf.sh
@@ -0,0 +1,360 @@
+#!/bin/sh
+
+test_description='CRLF conversion all combinations'
+
+. ./test-lib.sh
+
+if ! test_have_prereq EXPENSIVE
+then
+ skip_all="EXPENSIVE not set"
+ test_done
+fi
+
+compare_files () {
+ tr '\015\000' QN <"$1" >"$1".expect &&
+ tr '\015\000' QN <"$2" >"$2".actual &&
+ test_cmp "$1".expect "$2".actual &&
+ rm "$1".expect "$2".actual
+}
+
+compare_ws_file () {
+ pfx=$1
+ exp=$2.expect
+ act=$pfx.actual.$3
+ tr '\015\000' QN <"$2" >"$exp" &&
+ tr '\015\000' QN <"$3" >"$act" &&
+ test_cmp $exp $act &&
+ rm $exp $act
+}
+
+create_gitattributes () {
+ attr=$1
+ case "$attr" in
+ auto)
+ echo "*.txt text=auto" >.gitattributes
+ ;;
+ text)
+ echo "*.txt text" >.gitattributes
+ ;;
+ -text)
+ echo "*.txt -text" >.gitattributes
+ ;;
+ crlf)
+ echo "*.txt eol=crlf" >.gitattributes
+ ;;
+ lf)
+ echo "*.txt eol=lf" >.gitattributes
+ ;;
+ "")
+ echo >.gitattributes
+ ;;
+ *)
+ echo >&2 invalid attribute: $attr
+ exit 1
+ ;;
+ esac
+}
+
+check_warning () {
+ case "$1" in
+ LF_CRLF) echo "warning: LF will be replaced by CRLF" >"$2".expect ;;
+ CRLF_LF) echo "warning: CRLF will be replaced by LF" >"$2".expect ;;
+ '') >"$2".expect ;;
+ *) echo >&2 "Illegal 1": "$1" ; return false ;;
+ esac
+ grep "will be replaced by" "$2" | sed -e "s/\(.*\) in [^ ]*$/\1/" >"$2".actual
+ test_cmp "$2".expect "$2".actual
+}
+
+commit_check_warn () {
+ crlf=$1
+ attr=$2
+ lfname=$3
+ crlfname=$4
+ repoMIX=$5
+ lfmixcrlf=$6
+ lfmixcr=$7
+ crlfnul=$8
+ pfx=crlf_${crlf}_attr_${attr}
+ # Special handling for repoMIX: It should already be in the repo
+ # with CRLF
+ f=repoMIX
+ fname=${pfx}_$f.txt
+ echo >.gitattributes &&
+ cp $f $fname &&
+ git -c core.autocrlf=false add $fname 2>"${pfx}_$f.err" &&
+ git commit -m "repoMIX" &&
+ create_gitattributes "$attr" &&
+ for f in LF CRLF repoMIX LF_mix_CR CRLF_mix_LF LF_nul CRLF_nul
+ do
+ fname=${pfx}_$f.txt &&
+ cp $f $fname &&
+ git -c core.autocrlf=$crlf add $fname 2>"${pfx}_$f.err"
+ done &&
+ git commit -m "core.autocrlf $crlf" &&
+ check_warning "$lfname" ${pfx}_LF.err &&
+ check_warning "$crlfname" ${pfx}_CRLF.err &&
+ check_warning "$lfmixcrlf" ${pfx}_CRLF_mix_LF.err &&
+ check_warning "$lfmixcr" ${pfx}_LF_mix_CR.err &&
+ check_warning "$crlfnul" ${pfx}_CRLF_nul.err
+}
+
+check_files_in_repo () {
+ crlf=$1
+ attr=$2
+ lfname=$3
+ crlfname=$4
+ lfmixcrlf=$5
+ lfmixcr=$6
+ crlfnul=$7
+ pfx=crlf_${crlf}_attr_${attr}_ &&
+ compare_files $lfname ${pfx}LF.txt &&
+ compare_files $crlfname ${pfx}CRLF.txt &&
+ compare_files $lfmixcrlf ${pfx}CRLF_mix_LF.txt &&
+ compare_files $lfmixcr ${pfx}LF_mix_CR.txt &&
+ compare_files $crlfnul ${pfx}CRLF_nul.txt
+}
+
+
+checkout_files () {
+ eol=$1
+ crlf=$2
+ attr=$3
+ lfname=$4
+ crlfname=$5
+ lfmixcrlf=$6
+ lfmixcr=$7
+ crlfnul=$8
+ create_gitattributes $attr &&
+ git config core.autocrlf $crlf &&
+ pfx=eol_${eol}_crlf_${crlf}_attr_${attr}_ &&
+ src=crlf_false_attr__ &&
+ for f in LF CRLF LF_mix_CR CRLF_mix_LF LF_nul
+ do
+ rm $src$f.txt &&
+ if test -z "$eol"; then
+ git checkout $src$f.txt
+ else
+ git -c core.eol=$eol checkout $src$f.txt
+ fi
+ done
+
+ test_expect_success "checkout core.eol=$eol core.autocrlf=$crlf gitattributes=$attr file=LF" "
+ compare_ws_file $pfx $lfname ${src}LF.txt
+ "
+ test_expect_success "checkout core.eol=$eol core.autocrlf=$crlf gitattributes=$attr file=CRLF" "
+ compare_ws_file $pfx $crlfname ${src}CRLF.txt
+ "
+ test_expect_success "checkout core.eol=$eol core.autocrlf=$crlf gitattributes=$attr file=CRLF_mix_LF" "
+ compare_ws_file $pfx $lfmixcrlf ${src}CRLF_mix_LF.txt
+ "
+ test_expect_success "checkout core.eol=$eol core.autocrlf=$crlf gitattributes=$attr file=LF_mix_CR" "
+ compare_ws_file $pfx $lfmixcr ${src}LF_mix_CR.txt
+ "
+ test_expect_success "checkout core.eol=$eol core.autocrlf=$crlf gitattributes=$attr file=LF_nul" "
+ compare_ws_file $pfx $crlfnul ${src}LF_nul.txt
+ "
+}
+
+#######
+test_expect_success 'setup master' '
+ echo >.gitattributes &&
+ git checkout -b master &&
+ git add .gitattributes &&
+ git commit -m "add .gitattributes" "" &&
+ printf "line1\nline2\nline3" >LF &&
+ printf "line1\r\nline2\r\nline3" >CRLF &&
+ printf "line1\r\nline2\nline3" >repoMIX &&
+ printf "line1\r\nline2\nline3" >CRLF_mix_LF &&
+ printf "line1\nline2\rline3" >LF_mix_CR &&
+ printf "line1\r\nline2\rline3" >CRLF_mix_CR &&
+ printf "line1Q\r\nline2\r\nline3" | q_to_nul >CRLF_nul &&
+ printf "line1Q\nline2\nline3" | q_to_nul >LF_nul
+'
+
+
+
+warn_LF_CRLF="LF will be replaced by CRLF"
+warn_CRLF_LF="CRLF will be replaced by LF"
+
+# WILC stands for "Warn if (this OS) converts LF into CRLF".
+# WICL: Warn if CRLF becomes LF
+# WAMIX: Mixed line endings: either CRLF->LF or LF->CRLF
+if test_have_prereq NATIVE_CRLF
+then
+ WILC=LF_CRLF
+ WICL=
+ WAMIX=LF_CRLF
+else
+ WILC=
+ WICL=CRLF_LF
+ WAMIX=CRLF_LF
+fi
+
+# attr LF CRLF repoMIX CRLFmixLF LFmixCR CRLFNUL
+test_expect_success 'commit files empty attr' '
+ commit_check_warn false "" "" "" "" "" "" "" &&
+ commit_check_warn true "" "LF_CRLF" "" "LF_CRLF" "LF_CRLF" "" "" &&
+ commit_check_warn input "" "" "CRLF_LF" "CRLF_LF" "CRLF_LF" "" ""
+'
+
+test_expect_success 'commit files attr=auto' '
+ commit_check_warn false "auto" "$WILC" "$WICL" "$WAMIX" "$WAMIX" "" "" &&
+ commit_check_warn true "auto" "LF_CRLF" "" "LF_CRLF" "LF_CRLF" "" "" &&
+ commit_check_warn input "auto" "" "CRLF_LF" "CRLF_LF" "CRLF_LF" "" ""
+'
+
+test_expect_success 'commit files attr=text' '
+ commit_check_warn false "text" "$WILC" "$WICL" "$WAMIX" "$WAMIX" "$WILC" "$WICL" &&
+ commit_check_warn true "text" "LF_CRLF" "" "LF_CRLF" "LF_CRLF" "LF_CRLF" "" &&
+ commit_check_warn input "text" "" "CRLF_LF" "CRLF_LF" "CRLF_LF" "" "CRLF_LF"
+'
+
+test_expect_success 'commit files attr=-text' '
+ commit_check_warn false "-text" "" "" "" "" "" "" &&
+ commit_check_warn true "-text" "" "" "" "" "" "" &&
+ commit_check_warn input "-text" "" "" "" "" "" ""
+'
+
+test_expect_success 'commit files attr=lf' '
+ commit_check_warn false "lf" "" "CRLF_LF" "CRLF_LF" "CRLF_LF" "" "CRLF_LF" &&
+ commit_check_warn true "lf" "" "CRLF_LF" "CRLF_LF" "CRLF_LF" "" "CRLF_LF" &&
+ commit_check_warn input "lf" "" "CRLF_LF" "CRLF_LF" "CRLF_LF" "" "CRLF_LF"
+'
+
+test_expect_success 'commit files attr=crlf' '
+ commit_check_warn false "crlf" "LF_CRLF" "" "LF_CRLF" "LF_CRLF" "LF_CRLF" "" &&
+ commit_check_warn true "crlf" "LF_CRLF" "" "LF_CRLF" "LF_CRLF" "LF_CRLF" "" &&
+ commit_check_warn input "crlf" "LF_CRLF" "" "LF_CRLF" "LF_CRLF" "LF_CRLF" ""
+'
+
+test_expect_success 'create files cleanup' '
+ rm -f *.txt &&
+ git reset --hard
+'
+
+test_expect_success 'commit empty gitattribues' '
+ check_files_in_repo false "" LF CRLF CRLF_mix_LF LF_mix_CR CRLF_nul &&
+ check_files_in_repo true "" LF LF LF LF_mix_CR CRLF_nul &&
+ check_files_in_repo input "" LF LF LF LF_mix_CR CRLF_nul
+'
+
+test_expect_success 'commit text=auto' '
+ check_files_in_repo false "auto" LF LF LF LF_mix_CR CRLF_nul &&
+ check_files_in_repo true "auto" LF LF LF LF_mix_CR CRLF_nul &&
+ check_files_in_repo input "auto" LF LF LF LF_mix_CR CRLF_nul
+'
+
+test_expect_success 'commit text' '
+ check_files_in_repo false "text" LF LF LF LF_mix_CR LF_nul &&
+ check_files_in_repo true "text" LF LF LF LF_mix_CR LF_nul &&
+ check_files_in_repo input "text" LF LF LF LF_mix_CR LF_nul
+'
+
+test_expect_success 'commit -text' '
+ check_files_in_repo false "-text" LF CRLF CRLF_mix_LF LF_mix_CR CRLF_nul &&
+ check_files_in_repo true "-text" LF CRLF CRLF_mix_LF LF_mix_CR CRLF_nul &&
+ check_files_in_repo input "-text" LF CRLF CRLF_mix_LF LF_mix_CR CRLF_nul
+'
+
+################################################################################
+# Check how files in the repo are changed when they are checked out
+# How to read the table below:
+# - checkout_files will check multiple files with a combination of settings
+# and attributes (core.autocrlf=input is forbidden with core.eol=crlf)
+# - parameter $1 : core.eol lf | crlf
+# - parameter $2 : core.autocrlf false | true | input
+# - parameter $3 : text in .gitattributs "" (empty) | auto | text | -text
+# - parameter $4 : reference for a file with only LF in the repo
+# - parameter $5 : reference for a file with only CRLF in the repo
+# - parameter $6 : reference for a file with mixed LF and CRLF in the repo
+# - parameter $7 : reference for a file with LF and CR in the repo (does somebody uses this ?)
+# - parameter $8 : reference for a file with CRLF and a NUL (should be handled as binary when auto)
+
+# What we have in the repo:
+# ----------------- EOL in repo ----------------
+# LF CRLF CRLF_mix_LF LF_mix_CR CRLF_nul
+# settings with checkout:
+# core. core. .gitattr
+# eol acrlf
+# ----------------------------------------------
+# What we want to have in the working tree:
+if test_have_prereq NATIVE_CRLF
+then
+MIX_CRLF_LF=CRLF
+MIX_LF_CR=CRLF_mix_CR
+NL=CRLF
+LFNUL=CRLF_nul
+else
+MIX_CRLF_LF=CRLF_mix_LF
+MIX_LF_CR=LF_mix_CR
+NL=LF
+LFNUL=LF_nul
+fi
+export CRLF_MIX_LF_CR MIX NL
+
+checkout_files lf false "" LF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files lf true "" CRLF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files lf input "" LF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files lf false "auto" LF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files lf true "auto" CRLF CRLF CRLF LF_mix_CR LF_nul
+checkout_files lf input "auto" LF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files lf false "text" LF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files lf true "text" CRLF CRLF CRLF CRLF_mix_CR CRLF_nul
+checkout_files lf input "text" LF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files lf false "-text" LF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files lf true "-text" LF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files lf input "-text" LF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files lf false "lf" LF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files lf true "lf" LF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files lf input "lf" LF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files lf false "crlf" CRLF CRLF CRLF CRLF_mix_CR CRLF_nul
+checkout_files lf true "crlf" CRLF CRLF CRLF CRLF_mix_CR CRLF_nul
+checkout_files lf input "crlf" CRLF CRLF CRLF CRLF_mix_CR CRLF_nul
+
+checkout_files crlf false "" LF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files crlf true "" CRLF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files crlf false "auto" CRLF CRLF CRLF LF_mix_CR LF_nul
+checkout_files crlf true "auto" CRLF CRLF CRLF LF_mix_CR LF_nul
+checkout_files crlf false "text" CRLF CRLF CRLF CRLF_mix_CR CRLF_nul
+checkout_files crlf true "text" CRLF CRLF CRLF CRLF_mix_CR CRLF_nul
+checkout_files crlf false "-text" LF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files crlf true "-text" LF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files crlf false "lf" LF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files crlf true "lf" LF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files crlf false "crlf" CRLF CRLF CRLF CRLF_mix_CR CRLF_nul
+checkout_files crlf true "crlf" CRLF CRLF CRLF CRLF_mix_CR CRLF_nul
+
+checkout_files "" false "" LF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files "" true "" CRLF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files "" input "" LF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files "" false "auto" $NL CRLF $MIX_CRLF_LF LF_mix_CR LF_nul
+checkout_files "" true "auto" CRLF CRLF CRLF LF_mix_CR LF_nul
+checkout_files "" input "auto" LF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files "" false "text" $NL CRLF $MIX_CRLF_LF $MIX_LF_CR $LFNUL
+checkout_files "" true "text" CRLF CRLF CRLF CRLF_mix_CR CRLF_nul
+checkout_files "" input "text" LF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files "" false "-text" LF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files "" true "-text" LF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files "" input "-text" LF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files "" false "lf" LF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files "" true "lf" LF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files "" input "lf" LF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files "" false "crlf" CRLF CRLF CRLF CRLF_mix_CR CRLF_nul
+checkout_files "" true "crlf" CRLF CRLF CRLF CRLF_mix_CR CRLF_nul
+checkout_files "" input "crlf" CRLF CRLF CRLF CRLF_mix_CR CRLF_nul
+
+checkout_files native false "" LF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files native true "" CRLF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files native false "auto" $NL CRLF $MIX_CRLF_LF LF_mix_CR LF_nul
+checkout_files native true "auto" CRLF CRLF CRLF LF_mix_CR LF_nul
+checkout_files native false "text" $NL CRLF $MIX_CRLF_LF $MIX_LF_CR $LFNUL
+checkout_files native true "text" CRLF CRLF CRLF CRLF_mix_CR CRLF_nul
+checkout_files native false "-text" LF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files native true "-text" LF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files native false "lf" LF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files native true "lf" LF CRLF CRLF_mix_LF LF_mix_CR LF_nul
+checkout_files native false "crlf" CRLF CRLF CRLF CRLF_mix_CR CRLF_nul
+checkout_files native true "crlf" CRLF CRLF CRLF CRLF_mix_CR CRLF_nul
+
+test_done