ref-filter: rename the 'strip' option to 'lstrip'

In preparation for the upcoming patch, where we introduce the 'rstrip'
option. Rename the 'strip' option to 'lstrip' to remove ambiguity.

Signed-off-by: Karthik Nayak <Karthik.188@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Author: KarthikNayak

Documentation/git-for-each-ref.txt

@@ -95,9 +95,9 @@ refname::
 	The name of the ref (the part after $GIT_DIR/).
 	For a non-ambiguous short name of the ref append `:short`.
 	The option core.warnAmbiguousRefs is used to select the strict
-	abbreviation mode. If `strip=<N>` is appended, strips `<N>`
+	abbreviation mode. If `lstrip=<N>` is appended, strips `<N>`
 	slash-separated path components from the front of the refname
-	(e.g., `%(refname:strip=2)` turns `refs/tags/foo` into `foo`.
+	(e.g., `%(refname:lstrip=2)` turns `refs/tags/foo` into `foo`.
 	`<N>` must be a positive integer.  If a displayed ref has fewer
 	components than `<N>`, the command aborts with an error.
 
@@ -116,7 +116,7 @@ objectname::
 
 upstream::
 	The name of a local ref which can be considered ``upstream''
-	from the displayed ref. Respects `:short` and `:strip` in the
+	from the displayed ref. Respects `:short` and `:lstrip` in the
 	same way as `refname` above.  Additionally respects `:track`
 	to show "[ahead N, behind M]" and `:trackshort` to show the
 	terse version: ">" (ahead), "<" (behind), "<>" (ahead and
@@ -130,7 +130,7 @@ upstream::
 
 push::
 	The name of a local ref which represents the `@{push}`
-	location for the displayed ref. Respects `:short`, `:strip`,
+	location for the displayed ref. Respects `:short`, `:lstrip`,
 	`:track`, and `:trackshort` options as `upstream`
 	does. Produces an empty string if no `@{push}` ref is
 	configured.
@@ -174,7 +174,7 @@ if::
 symref::
 	The ref which the given symbolic ref refers to. If not a
 	symbolic ref, nothing is printed. Respects the `:short` and
-	`:strip` options in the same way as `refname` above.
+	`:lstrip` options in the same way as `refname` above.
 
 In addition to the above, for commit and tag objects, the header
 field names (`tree`, `parent`, `object`, `type`, and `tag`) can

builtin/tag.c

@@ -45,11 +45,11 @@ static int list_tags(struct ref_filter *filter, struct ref_sorting *sorting, con
 	if (!format) {
 		if (filter->lines) {
 			to_free = xstrfmt("%s %%(contents:lines=%d)",
-					  "%(align:15)%(refname:strip=2)%(end)",
+					  "%(align:15)%(refname:lstrip=2)%(end)",
 					  filter->lines);
 			format = to_free;
 		} else
-			format = "%(refname:strip=2)";
+			format = "%(refname:lstrip=2)";
 	}
 
 	verify_ref_format(format);

ref-filter.c

@@ -33,8 +33,8 @@ struct if_then_else {
 };
 
 struct refname_atom {
-	enum { R_NORMAL, R_SHORT, R_STRIP } option;
-	unsigned int strip;
+	enum { R_NORMAL, R_SHORT, R_LSTRIP } option;
+	unsigned int lstrip;
 };
 
 /*
@@ -91,10 +91,10 @@ static void refname_atom_parser_internal(struct refname_atom *atom,
 		atom->option = R_NORMAL;
 	else if (!strcmp(arg, "short"))
 		atom->option = R_SHORT;
-	else if (skip_prefix(arg, "strip=", &arg)) {
-		atom->option = R_STRIP;
-		if (strtoul_ui(arg, 10, &atom->strip) || atom->strip <= 0)
-			die(_("positive value expected refname:strip=%s"), arg);
+	else if (skip_prefix(arg, "lstrip=", &arg)) {
+		atom->option = R_LSTRIP;
+		if (strtoul_ui(arg, 10, &atom->lstrip) || atom->lstrip <= 0)
+			die(_("positive value expected refname:lstrip=%s"), arg);
 	} else
 		die(_("unrecognized %%(%s) argument: %s"), name, arg);
 }
@@ -1091,15 +1091,15 @@ static inline char *copy_advance(char *dst, const char *src)
 	return dst;
 }
 
-static const char *strip_ref_components(const char *refname, unsigned int len)
+static const char *lstrip_ref_components(const char *refname, unsigned int len)
 {
 	long remaining = len;
 	const char *start = refname;
 
 	while (remaining) {
 		switch (*start++) {
 		case '\0':
-			die(_("ref '%s' does not have %ud components to :strip"),
+			die(_("ref '%s' does not have %ud components to :lstrip"),
 			    refname, len);
 		case '/':
 			remaining--;
@@ -1113,8 +1113,8 @@ static const char *show_ref(struct refname_atom *atom, const char *refname)
 {
 	if (atom->option == R_SHORT)
 		return shorten_unambiguous_ref(refname, warn_ambiguous_refs);
-	else if (atom->option == R_STRIP)
-		return strip_ref_components(refname, atom->strip);
+	else if (atom->option == R_LSTRIP)
+		return lstrip_ref_components(refname, atom->lstrip);
 	else
 		return refname;
 }

t/t6300-for-each-ref.sh

@@ -51,14 +51,14 @@ test_atom() {
 
 test_atom head refname refs/heads/master
 test_atom head refname:short master
-test_atom head refname:strip=1 heads/master
-test_atom head refname:strip=2 master
+test_atom head refname:lstrip=1 heads/master
+test_atom head refname:lstrip=2 master
 test_atom head upstream refs/remotes/origin/master
 test_atom head upstream:short origin/master
-test_atom head upstream:strip=2 origin/master
+test_atom head upstream:lstrip=2 origin/master
 test_atom head push refs/remotes/myfork/master
 test_atom head push:short myfork/master
-test_atom head push:strip=1 remotes/myfork/master
+test_atom head push:lstrip=1 remotes/myfork/master
 test_atom head objecttype commit
 test_atom head objectsize 171
 test_atom head objectname $(git rev-parse refs/heads/master)
@@ -141,14 +141,14 @@ test_expect_success 'Check invalid atoms names are errors' '
 	test_must_fail git for-each-ref --format="%(INVALID)" refs/heads
 '
 
-test_expect_success 'arguments to :strip must be positive integers' '
-	test_must_fail git for-each-ref --format="%(refname:strip=0)" &&
-	test_must_fail git for-each-ref --format="%(refname:strip=-1)" &&
-	test_must_fail git for-each-ref --format="%(refname:strip=foo)"
+test_expect_success 'arguments to :lstrip must be positive integers' '
+	test_must_fail git for-each-ref --format="%(refname:lstrip=0)" &&
+	test_must_fail git for-each-ref --format="%(refname:lstrip=-1)" &&
+	test_must_fail git for-each-ref --format="%(refname:lstrip=foo)"
 '
 
 test_expect_success 'stripping refnames too far gives an error' '
-	test_must_fail git for-each-ref --format="%(refname:strip=3)"
+	test_must_fail git for-each-ref --format="%(refname:lstrip=3)"
 '
 
 test_expect_success 'Check format specifiers are ignored in naming date atoms' '
@@ -630,8 +630,8 @@ cat >expected <<EOF
 master
 EOF
 
-test_expect_success 'Verify usage of %(symref:strip) atom' '
-	git for-each-ref --format="%(symref:strip=2)" refs/heads/sym > actual &&
+test_expect_success 'Verify usage of %(symref:lstrip) atom' '
+	git for-each-ref --format="%(symref:lstrip=2)" refs/heads/sym > actual &&
 	test_cmp expected actual
 '