t/t9814-git-p4-rename.sh - git - Git at Google

 #!/bin/sh

 test_description='git p4 rename'

 . ./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 &&

 		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" &&

 		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 "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 &&
 		git p4 submit &&
 		p4 filelog //depot/file10 &&
 		p4 filelog //depot/file10 | grep -q "branch from //depot/file" &&

 		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" = file10 &&
 		git config git-p4.detectCopiesHarder true &&
 		git p4 submit &&
 		p4 filelog //depot/file11 &&
 		p4 filelog //depot/file11 | grep -q "branch from //depot/file" &&

 		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=$(git diff-tree -r -C --find-copies-harder HEAD | sed 1d | cut -f2) &&
 		case "$src" in
 		file10 | file11) : ;; # happy
 		*) false ;; # not
 		&&
 		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" &&

 		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=$(git diff-tree -r -C --find-copies-harder HEAD | sed 1d | cut -f2) &&
 		case "$src" in
 		file10 | file11 | file12) : ;; # happy
 		*) false ;; # not
 		&&
 		git config git-p4.detectCopies $(($level - 2)) &&
 		git p4 submit &&
 		p4 filelog //depot/file13 &&
 		p4 filelog //depot/file13 | grep -q "branch from //depot/file"
 	)
 '

 # 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_expect_success 'p4 configure command and run.move.allow are available' '
 	p4 configure show run.move.allow >out ; retval=$? &&
 	test $retval = 0 &&
 	{
 		egrep ^run.move.allow: out &&
 		test_set_prereq P4D_HAVE_CONFIGURABLE_RUN_MOVE_ALLOW ||
 		true
 	} || true
 '

 # 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
	#!/bin/sh

	test_description='git p4 rename'

	. ./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 &&

	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" &&

	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 "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 &&
	git p4 submit &&
	p4 filelog //depot/file10 &&
	p4 filelog //depot/file10 \| grep -q "branch from //depot/file" &&

	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" = file10 &&
	git config git-p4.detectCopiesHarder true &&
	git p4 submit &&
	p4 filelog //depot/file11 &&
	p4 filelog //depot/file11 \| grep -q "branch from //depot/file" &&

	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=$(git diff-tree -r -C --find-copies-harder HEAD \| sed 1d \| cut -f2) &&
	case "$src" in
	file10 \| file11) : ;; # happy
	*) false ;; # not
	&&
	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" &&

	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=$(git diff-tree -r -C --find-copies-harder HEAD \| sed 1d \| cut -f2) &&
	case "$src" in
	file10 \| file11 \| file12) : ;; # happy
	*) false ;; # not
	&&
	git config git-p4.detectCopies $(($level - 2)) &&
	git p4 submit &&
	p4 filelog //depot/file13 &&
	p4 filelog //depot/file13 \| grep -q "branch from //depot/file"
	)
	'

	# 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_expect_success 'p4 configure command and run.move.allow are available' '
	p4 configure show run.move.allow >out ; retval=$? &&
	test $retval = 0 &&
	{
	egrep ^run.move.allow: out &&
	test_set_prereq P4D_HAVE_CONFIGURABLE_RUN_MOVE_ALLOW \|\|
	true
	} \|\| true
	'

	# 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