Rename the "crlf" attribute "text"

As discussed on the list, "crlf" is not an optimal name.  Linus
suggested "text", which is much better.

Signed-off-by: Eyvind Bernhardsen <eyvind.bernhardsen@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Documentation/config.txt

@@ -199,7 +199,7 @@ core.autocrlf::
 	reading from the filesystem but files are written out with
 	`LF` at the end of lines.  A file is considered
 	"text" (i.e. be subjected to the autocrlf mechanism) based on
-	the file's `crlf` attribute, or if `crlf` is unspecified,
+	the file's `text` attribute, or if `text` is unspecified,
 	based on the file's contents.  See linkgit:gitattributes[5].
 
 core.safecrlf::
@@ -943,13 +943,15 @@ gitcvs.logfile::
 	various stuff. See linkgit:git-cvsserver[1].
 
 gitcvs.usecrlfattr::
-	If true, the server will look up the `crlf` attribute for
-	files to determine the '-k' modes to use. If `crlf` is set,
-	the '-k' mode will be left blank, so cvs clients will
-	treat it as text. If `crlf` is explicitly unset, the file
+	If true, the server will look up the end-of-line conversion
+	attributes for files to determine the '-k' modes to use. If
+	the attributes force git to treat a file as text,
+	the '-k' mode will be left blank so cvs clients will
+	treat it as text. If they suppress text conversion, the file
 	will be set with '-kb' mode, which suppresses any newline munging
-	the client might otherwise do. If `crlf` is not specified,
-	then 'gitcvs.allbinary' is used. See linkgit:gitattributes[5].
+	the client might otherwise do. If the attributes do not allow
+	the file type to be determined, then 'gitcvs.allbinary' is
+	used. See linkgit:gitattributes[5].
 
 gitcvs.allbinary::
 	This is used if 'gitcvs.usecrlfattr' does not resolve

Documentation/git-cvsserver.txt

@@ -340,16 +340,13 @@ By default the server leaves the '-k' mode blank for all files,
 which causes the cvs client to treat them as a text files, subject
 to crlf conversion on some platforms.
 
-You can make the server use `crlf` attributes to set the '-k' modes
-for files by setting the `gitcvs.usecrlfattr` config variable.
-In this case, if `crlf` is explicitly unset ('-crlf'), then the
-server will set '-kb' mode for binary files. If `crlf` is set,
-then the '-k' mode will explicitly be left blank.  See
-also linkgit:gitattributes[5] for more information about the `crlf`
-attribute.
+You can make the server use the end-of-line conversion attributes to
+set the '-k' modes for files by setting the `gitcvs.usecrlfattr`
+config variable.  See linkgit:gitattributes[5] for more information
+about end-of-line conversion.
 
 Alternatively, if `gitcvs.usecrlfattr` config is not enabled
-or if the `crlf` attribute is unspecified for a filename, then
+or the attributes do not allow automatic detection for a filename, then
 the server uses the `gitcvs.allbinary` config for the default setting.
 If `gitcvs.allbinary` is set, then file not otherwise
 specified will default to '-kb' mode. Otherwise the '-k' mode

Documentation/gitattributes.txt

@@ -92,7 +92,7 @@ such as 'git checkout' and 'git merge' run.  They also affect how
 git stores the contents you prepare in the working tree in the
 repository upon 'git add' and 'git commit'.
 
-`crlf`
+`text`
 ^^^^^^
 
 This attribute enables and controls end-of-line normalization.  When a
@@ -103,28 +103,28 @@ directory, use the `eol` attribute for a single file and the
 
 Set::
 
-	Setting the `crlf` attribute on a path enables end-of-line
+	Setting the `text` attribute on a path enables end-of-line
 	normalization and marks the path as a text file.  End-of-line
 	conversion takes place without guessing the content type.
 
 Unset::
 
-	Unsetting the `crlf` attribute on a path tells git not to
+	Unsetting the `text` attribute on a path tells git not to
 	attempt any end-of-line conversion upon checkin or checkout.
 
 Set to string value "auto"::
 
-	When `crlf` is set to "auto", the path is marked for automatic
+	When `text` is set to "auto", the path is marked for automatic
 	end-of-line normalization.  If git decides that the content is
 	text, its line endings are normalized to LF on checkin.
 
 Unspecified::
 
-	If the `crlf` attribute is unspecified, git uses the `eol`
+	If the `text` attribute is unspecified, git uses the `eol`
 	attribute and the `core.autocrlf` configuration variable to
 	determine if the file should be converted.
 
-Any other value causes git to act as if `crlf` has been left
+Any other value causes git to act as if `text` has been left
 unspecified.
 
 `eol`
@@ -132,20 +132,31 @@ unspecified.
 
 This attribute sets a specific line-ending style to be used in the
 working directory.  It enables end-of-line normalization without any
-content checks, similar to setting the `crlf` attribute.
+content checks, similar to setting the `text` attribute.
 
 Set to string value "crlf"::
 
 	This setting forces git to normalize line endings on checkin
 	and convert them to CRLF when the file is checked out,
-	regardless of `crlf` and `core.autocrlf`.
+	regardless of `text` and `core.autocrlf`.
 
 Set to string value "lf"::
 
 	This setting forces git to normalize line endings to LF on
 	checkin and prevents conversion to CRLF when the file is
-	checked out, regardless of `crlf` and `core.autocrlf`.
-	`crlf=input` is a backwards compatibility alias for `eol=lf`.
+	checked out, regardless of `text` and `core.autocrlf`.
+
+Backwards compatibility with `crlf` attribute
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+For backwards compatibility, the `crlf` attribute is interpreted as
+follows:
+
+------------------------
+crlf		text
+-crlf		-text
+crlf=input	eol=lf
+------------------------
 
 End-of-line conversion
 ^^^^^^^^^^^^^^^^^^^^^^
@@ -160,10 +171,10 @@ the working directory, and prevent .jpg files from being normalized
 regardless of their content.
 
 ------------------------
-*.txt		crlf
+*.txt		text
 *.vcproj	eol=crlf
 *.sh		eol=lf
-*.jpg		-crlf
+*.jpg		-text
 ------------------------
 
 Other source code management systems normalize all text files in their
@@ -188,24 +199,24 @@ files without conversion to CRLF in the working directory.
 
 If you want to interoperate with a source code management system that
 enforces end-of-line normalization, or you simply want all text files
-in your repository to be normalized, you should instead set the `crlf`
+in your repository to be normalized, you should instead set the `text`
 attribute to "auto" for _all_ files.
 
 ------------------------
-*	crlf=auto
+*	text=auto
 ------------------------
 
 This ensures that all files that git considers to be text will have
 normalized (LF) line endings in the repository.
 
-NOTE: When `crlf=auto` normalization is enabled in an existing
+NOTE: When `text=auto` normalization is enabled in an existing
 repository, any text files containing CRLFs should be normalized.  If
 they are not they will be normalized the next time someone tries to
 change them, causing unfortunate misattribution.  From a clean working
 directory:
 
 -------------------------------------------------
-$ echo "* crlf=auto" >>.gitattributes
+$ echo "* text=auto" >>.gitattributes
 $ rm .git/index     # Remove the index to force git to
 $ git reset         # re-scan the working directory
 $ git status        # Show files that will be normalized
@@ -215,17 +226,17 @@ $ git commit -m "Introduce end-of-line normalization"
 -------------------------------------------------
 
 If any files that should not be normalized show up in 'git status',
-unset their `crlf` attribute before running 'git add -u'.
+unset their `text` attribute before running 'git add -u'.
 
 ------------------------
-manual.pdf	-crlf
+manual.pdf	-text
 ------------------------
 
 Conversely, text files that git does not detect can have normalization
 enabled manually.
 
 ------------------------
-weirdchars.txt	crlf
+weirdchars.txt	text
 ------------------------
 
 If `core.safecrlf` is set to "true" or "warn", git verifies if
@@ -311,11 +322,11 @@ Interaction between checkin/checkout attributes
 In the check-in codepath, the worktree file is first converted
 with `filter` driver (if specified and corresponding driver
 defined), then the result is processed with `ident` (if
-specified), and then finally with `crlf` (again, if specified
+specified), and then finally with `text` (again, if specified
 and applicable).
 
 In the check-out codepath, the blob content is first converted
-with `crlf`, and then `ident` and fed to `filter`.
+with `text`, and then `ident` and fed to `filter`.
 
 
 Generating diff text
@@ -718,7 +729,7 @@ You do not want any end-of-line conversions applied to, nor textual diffs
 produced for, any binary file you track.  You would need to specify e.g.
 
 ------------
-*.jpg -crlf -diff
+*.jpg -text -diff
 ------------
 
 but that may become cumbersome, when you have many attributes.  Using
@@ -731,7 +742,7 @@ the same time.  The system knows a built-in attribute macro, `binary`:
 
 which is equivalent to the above.  Note that the attribute macros can only
 be "Set" (see the above example that sets "binary" macro as if it were an
-ordinary attribute --- setting it in turn unsets "crlf" and "diff").
+ordinary attribute --- setting it in turn unsets "text" and "diff").
 
 
 DEFINING ATTRIBUTE MACROS
@@ -742,7 +753,7 @@ at the toplevel (i.e. not in any subdirectory).  The built-in attribute
 macro "binary" is equivalent to:
 
 ------------
-[attr]binary -diff -crlf
+[attr]binary -diff -text
 ------------
 
 

attr.c

@@ -287,7 +287,7 @@ static void free_attr_elem(struct attr_stack *e)
 }
 
 static const char *builtin_attr[] = {
-	"[attr]binary -diff -crlf",
+	"[attr]binary -diff -text",
 	NULL,
 };
 

convert.c

@@ -439,12 +439,14 @@ static int read_convert_config(const char *var, const char *value, void *cb)
 
 static void setup_convert_check(struct git_attr_check *check)
 {
+	static struct git_attr *attr_text;
 	static struct git_attr *attr_crlf;
 	static struct git_attr *attr_eol;
 	static struct git_attr *attr_ident;
 	static struct git_attr *attr_filter;
 
-	if (!attr_crlf) {
+	if (!attr_text) {
+		attr_text = git_attr("text");
 		attr_crlf = git_attr("crlf");
 		attr_eol = git_attr("eol");
 		attr_ident = git_attr("ident");
@@ -456,6 +458,7 @@ static void setup_convert_check(struct git_attr_check *check)
 	check[1].attr = attr_ident;
 	check[2].attr = attr_filter;
 	check[3].attr = attr_eol;
+	check[4].attr = attr_text;
 }
 
 static int count_ident(const char *cp, unsigned long size)
@@ -651,20 +654,20 @@ static int git_path_check_ident(const char *path, struct git_attr_check *check)
 	return !!ATTR_TRUE(value);
 }
 
-enum action determine_action(enum action crlf_attr, enum eol eol_attr) {
-	if (crlf_attr == CRLF_BINARY)
+enum action determine_action(enum action text_attr, enum eol eol_attr) {
+	if (text_attr == CRLF_BINARY)
 		return CRLF_BINARY;
 	if (eol_attr == EOL_LF)
 		return CRLF_INPUT;
 	if (eol_attr == EOL_CRLF)
 		return CRLF_CRLF;
-	return crlf_attr;
+	return text_attr;
 }
 
 int convert_to_git(const char *path, const char *src, size_t len,
                    struct strbuf *dst, enum safe_crlf checksafe)
 {
-	struct git_attr_check check[4];
+	struct git_attr_check check[5];
 	enum action action = CRLF_GUESS;
 	enum eol eol = EOL_UNSET;
 	int ident = 0, ret = 0;
@@ -673,7 +676,9 @@ int convert_to_git(const char *path, const char *src, size_t len,
 	setup_convert_check(check);
 	if (!git_checkattr(path, ARRAY_SIZE(check), check)) {
 		struct convert_driver *drv;
-		action = git_path_check_crlf(path, check + 0);
+		action = git_path_check_crlf(path, check + 4);
+		if (action == CRLF_GUESS)
+			action = git_path_check_crlf(path, check + 0);
 		ident = git_path_check_ident(path, check + 1);
 		drv = git_path_check_convert(path, check + 2);
 		eol = git_path_check_eol(path, check + 3);
@@ -697,7 +702,7 @@ int convert_to_git(const char *path, const char *src, size_t len,
 
 int convert_to_working_tree(const char *path, const char *src, size_t len, struct strbuf *dst)
 {
-	struct git_attr_check check[4];
+	struct git_attr_check check[5];
 	enum action action = CRLF_GUESS;
 	enum eol eol = EOL_UNSET;
 	int ident = 0, ret = 0;
@@ -706,7 +711,9 @@ int convert_to_working_tree(const char *path, const char *src, size_t len, struc
 	setup_convert_check(check);
 	if (!git_checkattr(path, ARRAY_SIZE(check), check)) {
 		struct convert_driver *drv;
-		action = git_path_check_crlf(path, check + 0);
+		action = git_path_check_crlf(path, check + 4);
+		if (action == CRLF_GUESS)
+			action = git_path_check_crlf(path, check + 0);
 		ident = git_path_check_ident(path, check + 1);
 		drv = git_path_check_convert(path, check + 2);
 		eol = git_path_check_eol(path, check + 3);

git-cvsserver.perl

@@ -2369,15 +2369,20 @@ sub kopts_from_path
     if ( defined ( $cfg->{gitcvs}{usecrlfattr} ) and
          $cfg->{gitcvs}{usecrlfattr} =~ /\s*(1|true|yes)\s*$/i )
     {
-        my ($val) = check_attr( "crlf", $path );
-        if ( $val eq "set" )
+        my ($val) = check_attr( "text", $path );
+        if ( $val eq "unspecified" )
         {
-            return "";
+            $val = check_attr( "crlf", $path );
         }
-        elsif ( $val eq "unset" )
+        if ( $val eq "unset" )
         {
             return "-kb"
         }
+        elsif ( check_attr( "eol", $path ) ne "unspecified" ||
+                $val eq "set" || $val eq "input" )
+        {
+            return "";
+        }
         else
         {
             $log->info("Unrecognized check_attr crlf $path : $val");

t/t0025-crlf-auto.sh

@@ -41,6 +41,7 @@ test_expect_success 'default settings cause no changes' '
 
 test_expect_success 'crlf=true causes a CRLF file to be normalized' '
 
+	# Backwards compatibility check
 	rm -f .gitattributes tmp one two three &&
 	echo "two crlf" > .gitattributes &&
 	git read-tree --reset -u HEAD &&
@@ -51,6 +52,18 @@ test_expect_success 'crlf=true causes a CRLF file to be normalized' '
 	test -n "$twodiff"
 '
 
+test_expect_success 'text=true causes a CRLF file to be normalized' '
+
+	rm -f .gitattributes tmp one two three &&
+	echo "two text" > .gitattributes &&
+	git read-tree --reset -u HEAD &&
+
+	# Note, "normalized" means that git will normalize it if added
+	has_cr two &&
+	twodiff=`git diff two` &&
+	test -n "$twodiff"
+'
+
 test_expect_success 'eol=crlf gives a normalized file CRLFs with autocrlf=false' '
 
 	rm -f .gitattributes tmp one two three &&
@@ -101,11 +114,11 @@ test_expect_success 'autocrlf=true does not normalize CRLF files' '
 	test -z "$onediff" -a -z "$twodiff" -a -z "$threediff"
 '
 
-test_expect_success 'crlf=auto, autocrlf=true _does_ normalize CRLF files' '
+test_expect_success 'text=auto, autocrlf=true _does_ normalize CRLF files' '
 
 	rm -f .gitattributes tmp one two three &&
 	git config core.autocrlf true &&
-	echo "* crlf=auto" > .gitattributes &&
+	echo "* text=auto" > .gitattributes &&
 	git read-tree --reset -u HEAD &&
 
 	has_cr one &&
@@ -116,11 +129,11 @@ test_expect_success 'crlf=auto, autocrlf=true _does_ normalize CRLF files' '
 	test -z "$onediff" -a -n "$twodiff" -a -z "$threediff"
 '
 
-test_expect_success 'crlf=auto, autocrlf=true does not normalize binary files' '
+test_expect_success 'text=auto, autocrlf=true does not normalize binary files' '
 
 	rm -f .gitattributes tmp one two three &&
 	git config core.autocrlf true &&
-	echo "* crlf=auto" > .gitattributes &&
+	echo "* text=auto" > .gitattributes &&
 	git read-tree --reset -u HEAD &&
 
 	! has_cr three &&