#!/bin/sh

global test_description := ''git p4 rename''

source ./lib-git-p4.sh

test_expect_success 'start p4d' '
	start_p4d
'

# We rely on this behavior to detect for p4 move availability.
test_expect_success 'p4 help unknown returns 1' '
	(
		cd "$cli" &&
		(
			p4 help client >errs 2>&1
			echo $? >retval
		)
		echo 0 >expected &&
		test_cmp expected retval &&
		rm retval &&
		(
			p4 help nosuchcommand >errs 2>&1
			echo $? >retval
		)
		echo 1 >expected &&
		test_cmp expected retval &&
		rm retval
	)
'

test_expect_success 'create files' '
	(
		cd "$cli" &&
		p4 client -o | sed "/LineEnd/s/:.*/:unix/" | p4 client -i &&
		cat >file1 <<-EOF &&
		A large block of text
		in file1 that will generate
		enough context so that rename
		and copy detection will find
		something interesting to do.
		EOF
		cat >file2 <<-EOF &&
		/*
		 * This blob looks a bit
		 * different.
		 */
		int main(int argc, char **argv)
		{
			char text[200];

			strcpy(text, "copy/rename this");
			printf("text is %s\n", text);
			return 0;
		}
		EOF
		p4 add file1 file2 &&
		p4 submit -d "add files"
	)
'

# Rename a file and confirm that rename is not detected in P4.
# Rename the new file again with detectRenames option enabled and confirm that
# this is detected in P4.
# Rename the new file again adding an extra line, configure a big threshold in
# detectRenames and confirm that rename is not detected in P4.
# Repeat, this time with a smaller threshold and confirm that the rename is
# detected in P4.
test_expect_success 'detect renames' '
	git p4 clone --dest="$git" //depot@all &&
	test_when_finished cleanup_git &&
	(
		cd "$git" &&
		git config git-p4.skipSubmitEdit true &&

		git mv file1 file4 &&
		git commit -a -m "Rename file1 to file4" &&
		git diff-tree -r -M HEAD &&
		git p4 submit &&
		p4 filelog //depot/file4 >filelog &&
		! grep " from //depot" filelog &&

		git mv file4 file5 &&
		git commit -a -m "Rename file4 to file5" &&
		git diff-tree -r -M HEAD &&
		git config git-p4.detectRenames true &&
		git p4 submit &&
		p4 filelog //depot/file5 >filelog &&
		grep " from //depot/file4" filelog &&

		git mv file5 file6 &&
		echo update >>file6 &&
		git add file6 &&
		git commit -a -m "Rename file5 to file6 with changes" &&
		git diff-tree -r -M HEAD &&
		level=$(git diff-tree -r -M HEAD | sed 1d | cut -f1 | cut -d" " -f5 | sed "s/R0*//") &&
		test -n "$level" && test "$level" -gt 0 && test "$level" -lt 98 &&
		git config git-p4.detectRenames $(($level + 2)) &&
		git p4 submit &&
		p4 filelog //depot/file6 >filelog &&
		! grep " from //depot" filelog &&

		git mv file6 file7 &&
		echo update >>file7 &&
		git add file7 &&
		git commit -a -m "Rename file6 to file7 with changes" &&
		git diff-tree -r -M HEAD &&
		level=$(git diff-tree -r -M HEAD | sed 1d | cut -f1 | cut -d" " -f5 | sed "s/R0*//") &&
		test -n "$level" && test "$level" -gt 2 && test "$level" -lt 100 &&
		git config git-p4.detectRenames $(($level - 2)) &&
		git p4 submit &&
		p4 filelog //depot/file7 >filelog &&
		grep " from //depot/file6" filelog
	)
'

# Copy a file and confirm that copy is not detected in P4.
# Copy a file with detectCopies option enabled and confirm that copy is not
# detected in P4.
# Modify and copy a file with detectCopies option enabled and confirm that copy
# is detected in P4.
# Copy a file with detectCopies and detectCopiesHarder options enabled and
# confirm that copy is detected in P4.
# Modify and copy a file, configure a bigger threshold in detectCopies and
# confirm that copy is not detected in P4.
# Modify and copy a file, configure a smaller threshold in detectCopies and
# confirm that copy is detected in P4.
test_expect_success 'detect copies' '
	git p4 clone --dest="$git" //depot@all &&
	test_when_finished cleanup_git &&
	(
		cd "$git" &&
		git config git-p4.skipSubmitEdit true &&

		echo "file8" >>file2 &&
		git commit -a -m "Differentiate file2" &&
		git p4 submit &&
		cp file2 file8 &&
		git add file8 &&
		git commit -a -m "Copy file2 to file8" &&
		git diff-tree -r -C HEAD &&
		git p4 submit &&
		p4 filelog //depot/file8 &&
		p4 filelog //depot/file8 | test_must_fail grep -q "branch from" &&

		echo "file9" >>file2 &&
		git commit -a -m "Differentiate file2" &&
		git p4 submit &&

		cp file2 file9 &&
		git add file9 &&
		git commit -a -m "Copy file2 to file9" &&
		git diff-tree -r -C HEAD &&
		git config git-p4.detectCopies true &&
		git p4 submit &&
		p4 filelog //depot/file9 &&
		p4 filelog //depot/file9 | test_must_fail grep -q "branch from" &&

		echo "file10" >>file2 &&
		git commit -a -m "Differentiate file2" &&
		git p4 submit &&

		echo "file2" >>file2 &&
		cp file2 file10 &&
		git add file2 file10 &&
		git commit -a -m "Modify and copy file2 to file10" &&
		git diff-tree -r -C HEAD &&
		src=$(git diff-tree -r -C HEAD | sed 1d | sed 2d | cut -f2) &&
		test "$src" = file2 &&
		git p4 submit &&
		p4 filelog //depot/file10 &&
		p4 filelog //depot/file10 | grep -q "branch from //depot/file2" &&

		echo "file11" >>file2 &&
		git commit -a -m "Differentiate file2" &&
		git p4 submit &&

		cp file2 file11 &&
		git add file11 &&
		git commit -a -m "Copy file2 to file11" &&
		git diff-tree -r -C --find-copies-harder HEAD &&
		src=$(git diff-tree -r -C --find-copies-harder HEAD | sed 1d | cut -f2) &&
		test "$src" = file2 &&
		git config git-p4.detectCopiesHarder true &&
		git p4 submit &&
		p4 filelog //depot/file11 &&
		p4 filelog //depot/file11 | grep -q "branch from //depot/file2" &&

		echo "file12" >>file2 &&
		git commit -a -m "Differentiate file2" &&
		git p4 submit &&

		cp file2 file12 &&
		echo "some text" >>file12 &&
		git add file12 &&
		git commit -a -m "Copy file2 to file12 with changes" &&
		git diff-tree -r -C --find-copies-harder HEAD &&
		level=$(git diff-tree -r -C --find-copies-harder HEAD | sed 1d | cut -f1 | cut -d" " -f5 | sed "s/C0*//") &&
		test -n "$level" && test "$level" -gt 0 && test "$level" -lt 98 &&
		src=$(git diff-tree -r -C --find-copies-harder HEAD | sed 1d | cut -f2) &&
		test "$src" = file2 &&
		git config git-p4.detectCopies $(($level + 2)) &&
		git p4 submit &&
		p4 filelog //depot/file12 &&
		p4 filelog //depot/file12 | test_must_fail grep -q "branch from" &&

		echo "file13" >>file2 &&
		git commit -a -m "Differentiate file2" &&
		git p4 submit &&

		cp file2 file13 &&
		echo "different text" >>file13 &&
		git add file13 &&
		git commit -a -m "Copy file2 to file13 with changes" &&
		git diff-tree -r -C --find-copies-harder HEAD &&
		level=$(git diff-tree -r -C --find-copies-harder HEAD | sed 1d | cut -f1 | cut -d" " -f5 | sed "s/C0*//") &&
		test -n "$level" && test "$level" -gt 2 && test "$level" -lt 100 &&
		src=$(git diff-tree -r -C --find-copies-harder HEAD | sed 1d | cut -f2) &&
		test "$src" = file2 &&
		git config git-p4.detectCopies $(($level - 2)) &&
		git p4 submit &&
		p4 filelog //depot/file13 &&
		p4 filelog //depot/file13 | grep -q "branch from //depot/file2"
	)
'

# See if configurables can be set, and in particular if the run.move.allow
# variable exists, which allows admins to disable the "p4 move" command.
test_lazy_prereq P4D_HAVE_CONFIGURABLE_RUN_MOVE_ALLOW '
	p4 configure show run.move.allow >out &&
	egrep ^run.move.allow: out
'

# If move can be disabled, turn it off and test p4 move handling
test_expect_success P4D_HAVE_CONFIGURABLE_RUN_MOVE_ALLOW \
		    'do not use p4 move when administratively disabled' '
	test_when_finished "p4 configure set run.move.allow=1" &&
	p4 configure set run.move.allow=0 &&
	(
		cd "$cli" &&
		echo move-disallow-file >move-disallow-file &&
		p4 add move-disallow-file &&
		p4 submit -d "add move-disallow-file"
	) &&
	test_when_finished cleanup_git &&
	git p4 clone --dest="$git" //depot &&
	(
		cd "$git" &&
		git config git-p4.skipSubmitEdit true &&
		git config git-p4.detectRenames true &&
		git mv move-disallow-file move-disallow-file-moved &&
		git commit -m "move move-disallow-file" &&
		git p4 submit
	)
'

test_expect_success 'kill p4d' '
	kill_p4d
'

test_done
(CommandList
  children: [
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:test_description)
          op: Equal
          rhs: {(SQ <"git p4 rename">)}
          spids: [4]
        )
      ]
      spids: [4]
    )
    (C {(.)} {(./lib-git-p4.sh)})
    (C {(test_expect_success)} {(SQ <"start p4d">)} {(SQ <"\n"> <"\tstart_p4d\n">)})
    (C {(test_expect_success)} {(SQ <"p4 help unknown returns 1">)} 
      {
        (SQ <"\n"> <"\t(\n"> <"\t\tcd \"$cli\" &&\n"> <"\t\t(\n"> <"\t\t\tp4 help client >errs 2>&1\n"> 
          <"\t\t\techo $? >retval\n"> <"\t\t)\n"> <"\t\techo 0 >expected &&\n"> <"\t\ttest_cmp expected retval &&\n"> <"\t\trm retval &&\n"> 
          <"\t\t(\n"> <"\t\t\tp4 help nosuchcommand >errs 2>&1\n"> <"\t\t\techo $? >retval\n"> <"\t\t)\n"> 
          <"\t\techo 1 >expected &&\n"> <"\t\ttest_cmp expected retval &&\n"> <"\t\trm retval\n"> <"\t)\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"create files">)} 
      {
        (SQ <"\n"> <"\t(\n"> <"\t\tcd \"$cli\" &&\n"> 
          <"\t\tp4 client -o | sed \"/LineEnd/s/:.*/:unix/\" | p4 client -i &&\n"> <"\t\tcat >file1 <<-EOF &&\n"> <"\t\tA large block of text\n"> <"\t\tin file1 that will generate\n"> 
          <"\t\tenough context so that rename\n"> <"\t\tand copy detection will find\n"> <"\t\tsomething interesting to do.\n"> <"\t\tEOF\n"> 
          <"\t\tcat >file2 <<-EOF &&\n"> <"\t\t/*\n"> <"\t\t * This blob looks a bit\n"> <"\t\t * different.\n"> <"\t\t */\n"> 
          <"\t\tint main(int argc, char **argv)\n"> <"\t\t{\n"> <"\t\t\tchar text[200];\n"> <"\n"> <"\t\t\tstrcpy(text, \"copy/rename this\");\n"> 
          <"\t\t\tprintf(\"text is %s\\n\", text);\n"> <"\t\t\treturn 0;\n"> <"\t\t}\n"> <"\t\tEOF\n"> <"\t\tp4 add file1 file2 &&\n"> 
          <"\t\tp4 submit -d \"add files\"\n"> <"\t)\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"detect renames">)} 
      {
        (SQ <"\n"> <"\tgit p4 clone --dest=\"$git\" //depot@all &&\n"> 
          <"\ttest_when_finished cleanup_git &&\n"> <"\t(\n"> <"\t\tcd \"$git\" &&\n"> <"\t\tgit config git-p4.skipSubmitEdit true &&\n"> <"\n"> 
          <"\t\tgit mv file1 file4 &&\n"> <"\t\tgit commit -a -m \"Rename file1 to file4\" &&\n"> <"\t\tgit diff-tree -r -M HEAD &&\n"> 
          <"\t\tgit p4 submit &&\n"> <"\t\tp4 filelog //depot/file4 >filelog &&\n"> <"\t\t! grep \" from //depot\" filelog &&\n"> <"\n"> 
          <"\t\tgit mv file4 file5 &&\n"> <"\t\tgit commit -a -m \"Rename file4 to file5\" &&\n"> <"\t\tgit diff-tree -r -M HEAD &&\n"> 
          <"\t\tgit config git-p4.detectRenames true &&\n"> <"\t\tgit p4 submit &&\n"> <"\t\tp4 filelog //depot/file5 >filelog &&\n"> 
          <"\t\tgrep \" from //depot/file4\" filelog &&\n"> <"\n"> <"\t\tgit mv file5 file6 &&\n"> <"\t\techo update >>file6 &&\n"> <"\t\tgit add file6 &&\n"> 
          <"\t\tgit commit -a -m \"Rename file5 to file6 with changes\" &&\n"> <"\t\tgit diff-tree -r -M HEAD &&\n"> 
          <
"\t\tlevel=$(git diff-tree -r -M HEAD | sed 1d | cut -f1 | cut -d\" \" -f5 | sed \"s/R0*//\") &&\n"
          > <"\t\ttest -n \"$level\" && test \"$level\" -gt 0 && test \"$level\" -lt 98 &&\n"> 
          <"\t\tgit config git-p4.detectRenames $(($level + 2)) &&\n"> <"\t\tgit p4 submit &&\n"> <"\t\tp4 filelog //depot/file6 >filelog &&\n"> 
          <"\t\t! grep \" from //depot\" filelog &&\n"> <"\n"> <"\t\tgit mv file6 file7 &&\n"> <"\t\techo update >>file7 &&\n"> <"\t\tgit add file7 &&\n"> 
          <"\t\tgit commit -a -m \"Rename file6 to file7 with changes\" &&\n"> <"\t\tgit diff-tree -r -M HEAD &&\n"> 
          <
"\t\tlevel=$(git diff-tree -r -M HEAD | sed 1d | cut -f1 | cut -d\" \" -f5 | sed \"s/R0*//\") &&\n"
          > <"\t\ttest -n \"$level\" && test \"$level\" -gt 2 && test \"$level\" -lt 100 &&\n"> 
          <"\t\tgit config git-p4.detectRenames $(($level - 2)) &&\n"> <"\t\tgit p4 submit &&\n"> <"\t\tp4 filelog //depot/file7 >filelog &&\n"> 
          <"\t\tgrep \" from //depot/file6\" filelog\n"> <"\t)\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"detect copies">)} 
      {
        (SQ <"\n"> <"\tgit p4 clone --dest=\"$git\" //depot@all &&\n"> 
          <"\ttest_when_finished cleanup_git &&\n"> <"\t(\n"> <"\t\tcd \"$git\" &&\n"> <"\t\tgit config git-p4.skipSubmitEdit true &&\n"> <"\n"> 
          <"\t\techo \"file8\" >>file2 &&\n"> <"\t\tgit commit -a -m \"Differentiate file2\" &&\n"> <"\t\tgit p4 submit &&\n"> 
          <"\t\tcp file2 file8 &&\n"> <"\t\tgit add file8 &&\n"> <"\t\tgit commit -a -m \"Copy file2 to file8\" &&\n"> 
          <"\t\tgit diff-tree -r -C HEAD &&\n"> <"\t\tgit p4 submit &&\n"> <"\t\tp4 filelog //depot/file8 &&\n"> 
          <"\t\tp4 filelog //depot/file8 | test_must_fail grep -q \"branch from\" &&\n"> <"\n"> <"\t\techo \"file9\" >>file2 &&\n"> <"\t\tgit commit -a -m \"Differentiate file2\" &&\n"> 
          <"\t\tgit p4 submit &&\n"> <"\n"> <"\t\tcp file2 file9 &&\n"> <"\t\tgit add file9 &&\n"> 
          <"\t\tgit commit -a -m \"Copy file2 to file9\" &&\n"> <"\t\tgit diff-tree -r -C HEAD &&\n"> <"\t\tgit config git-p4.detectCopies true &&\n"> 
          <"\t\tgit p4 submit &&\n"> <"\t\tp4 filelog //depot/file9 &&\n"> 
          <"\t\tp4 filelog //depot/file9 | test_must_fail grep -q \"branch from\" &&\n"> <"\n"> <"\t\techo \"file10\" >>file2 &&\n"> <"\t\tgit commit -a -m \"Differentiate file2\" &&\n"> 
          <"\t\tgit p4 submit &&\n"> <"\n"> <"\t\techo \"file2\" >>file2 &&\n"> <"\t\tcp file2 file10 &&\n"> 
          <"\t\tgit add file2 file10 &&\n"> <"\t\tgit commit -a -m \"Modify and copy file2 to file10\" &&\n"> 
          <"\t\tgit diff-tree -r -C HEAD &&\n"> <"\t\tsrc=$(git diff-tree -r -C HEAD | sed 1d | sed 2d | cut -f2) &&\n"> 
          <"\t\ttest \"$src\" = file2 &&\n"> <"\t\tgit p4 submit &&\n"> <"\t\tp4 filelog //depot/file10 &&\n"> 
          <"\t\tp4 filelog //depot/file10 | grep -q \"branch from //depot/file2\" &&\n"> <"\n"> <"\t\techo \"file11\" >>file2 &&\n"> <"\t\tgit commit -a -m \"Differentiate file2\" &&\n"> 
          <"\t\tgit p4 submit &&\n"> <"\n"> <"\t\tcp file2 file11 &&\n"> <"\t\tgit add file11 &&\n"> 
          <"\t\tgit commit -a -m \"Copy file2 to file11\" &&\n"> <"\t\tgit diff-tree -r -C --find-copies-harder HEAD &&\n"> 
          <"\t\tsrc=$(git diff-tree -r -C --find-copies-harder HEAD | sed 1d | cut -f2) &&\n"> <"\t\ttest \"$src\" = file2 &&\n"> <"\t\tgit config git-p4.detectCopiesHarder true &&\n"> 
          <"\t\tgit p4 submit &&\n"> <"\t\tp4 filelog //depot/file11 &&\n"> 
          <"\t\tp4 filelog //depot/file11 | grep -q \"branch from //depot/file2\" &&\n"> <"\n"> <"\t\techo \"file12\" >>file2 &&\n"> <"\t\tgit commit -a -m \"Differentiate file2\" &&\n"> 
          <"\t\tgit p4 submit &&\n"> <"\n"> <"\t\tcp file2 file12 &&\n"> <"\t\techo \"some text\" >>file12 &&\n"> <"\t\tgit add file12 &&\n"> 
          <"\t\tgit commit -a -m \"Copy file2 to file12 with changes\" &&\n"> <"\t\tgit diff-tree -r -C --find-copies-harder HEAD &&\n"> 
          <
"\t\tlevel=$(git diff-tree -r -C --find-copies-harder HEAD | sed 1d | cut -f1 | cut -d\" \" -f5 | sed \"s/C0*//\") &&\n"
          > <"\t\ttest -n \"$level\" && test \"$level\" -gt 0 && test \"$level\" -lt 98 &&\n"> 
          <"\t\tsrc=$(git diff-tree -r -C --find-copies-harder HEAD | sed 1d | cut -f2) &&\n"> <"\t\ttest \"$src\" = file2 &&\n"> <"\t\tgit config git-p4.detectCopies $(($level + 2)) &&\n"> 
          <"\t\tgit p4 submit &&\n"> <"\t\tp4 filelog //depot/file12 &&\n"> 
          <"\t\tp4 filelog //depot/file12 | test_must_fail grep -q \"branch from\" &&\n"> <"\n"> <"\t\techo \"file13\" >>file2 &&\n"> <"\t\tgit commit -a -m \"Differentiate file2\" &&\n"> 
          <"\t\tgit p4 submit &&\n"> <"\n"> <"\t\tcp file2 file13 &&\n"> <"\t\techo \"different text\" >>file13 &&\n"> 
          <"\t\tgit add file13 &&\n"> <"\t\tgit commit -a -m \"Copy file2 to file13 with changes\" &&\n"> 
          <"\t\tgit diff-tree -r -C --find-copies-harder HEAD &&\n"> 
          <
"\t\tlevel=$(git diff-tree -r -C --find-copies-harder HEAD | sed 1d | cut -f1 | cut -d\" \" -f5 | sed \"s/C0*//\") &&\n"
          > <"\t\ttest -n \"$level\" && test \"$level\" -gt 2 && test \"$level\" -lt 100 &&\n"> 
          <"\t\tsrc=$(git diff-tree -r -C --find-copies-harder HEAD | sed 1d | cut -f2) &&\n"> <"\t\ttest \"$src\" = file2 &&\n"> <"\t\tgit config git-p4.detectCopies $(($level - 2)) &&\n"> 
          <"\t\tgit p4 submit &&\n"> <"\t\tp4 filelog //depot/file13 &&\n"> 
          <"\t\tp4 filelog //depot/file13 | grep -q \"branch from //depot/file2\"\n"> <"\t)\n">
        )
      }
    )
    (C {(test_lazy_prereq)} {(P4D_HAVE_CONFIGURABLE_RUN_MOVE_ALLOW)} 
      {
        (SQ <"\n"> <"\tp4 configure show run.move.allow >out &&\n"> <"\tegrep ^run.move.allow: out\n">)
      }
    )
    (C {(test_expect_success)} {(P4D_HAVE_CONFIGURABLE_RUN_MOVE_ALLOW)} 
      {(SQ <"do not use p4 move when administratively disabled">)} 
      {
        (SQ <"\n"> <"\ttest_when_finished \"p4 configure set run.move.allow=1\" &&\n"> 
          <"\tp4 configure set run.move.allow=0 &&\n"> <"\t(\n"> <"\t\tcd \"$cli\" &&\n"> <"\t\techo move-disallow-file >move-disallow-file &&\n"> 
          <"\t\tp4 add move-disallow-file &&\n"> <"\t\tp4 submit -d \"add move-disallow-file\"\n"> <"\t) &&\n"> 
          <"\ttest_when_finished cleanup_git &&\n"> <"\tgit p4 clone --dest=\"$git\" //depot &&\n"> <"\t(\n"> <"\t\tcd \"$git\" &&\n"> 
          <"\t\tgit config git-p4.skipSubmitEdit true &&\n"> <"\t\tgit config git-p4.detectRenames true &&\n"> 
          <"\t\tgit mv move-disallow-file move-disallow-file-moved &&\n"> <"\t\tgit commit -m \"move move-disallow-file\" &&\n"> <"\t\tgit p4 submit\n"> <"\t)\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"kill p4d">)} {(SQ <"\n"> <"\tkill_p4d\n">)})
    (C {(test_done)})
  ]
)