Merge branch 'master' into jc/commit-ammend

5 files changed, 120 insertions, 33 deletions

diff --git a/internal/path_util/path_util.go b/internal/path_util/path_util.go
new file mode 100644
index 0000000..48e4a3d
--- /dev/null
+++ b/internal/path_util/path_util.go
@@ -0,0 +1,29 @@
+package path_util
+
+import (
+	"os"
+	"os/user"
+	"strings"
+)
+
+func ReplaceTildeWithHome(path string) (string, error) {
+	if strings.HasPrefix(path, "~") {
+		firstSlash := strings.Index(path, "/")
+		if firstSlash == 1 {
+			home, err := os.UserHomeDir()
+			if err != nil {
+				return path, err
+			}
+			return strings.Replace(path, "~", home, 1), nil
+		} else if firstSlash > 1 {
+			username := path[1:firstSlash]
+			userAccount, err := user.Lookup(username)
+			if err != nil {
+				return path, err
+			}
+			return strings.Replace(path, path[:firstSlash], userAccount.HomeDir, 1), nil
+		}
+	}
+
+	return path, nil
+}
diff --git a/internal/revision/parser.go b/internal/revision/parser.go
index 8facf17..8a2a719 100644
--- a/internal/revision/parser.go
+++ b/internal/revision/parser.go
@@ -322,6 +322,8 @@ func (p *Parser) parseAt() (Revisioner, error) {
 				}
 
 				return AtDate{t}, nil
+			case tok == eof:
+				return nil, &ErrInvalidRevision{s: `missing "}" in @{<data>} structure`}
 			default:
 				date += lit
 			}
@@ -424,6 +426,8 @@ func (p *Parser) parseCaretBraces() (Revisioner, error) {
 			p.unscan()
 		case tok != slash && start:
 			return nil, &ErrInvalidRevision{fmt.Sprintf(`"%s" is not a valid revision suffix brace component`, lit)}
+		case tok == eof:
+			return nil, &ErrInvalidRevision{s: `missing "}" in ^{<data>} structure`}
 		case tok != cbrace:
 			p.unscan()
 			re += lit
diff --git a/internal/revision/parser_test.go b/internal/revision/parser_test.go
index 98403cc..3a77b2f 100644
--- a/internal/revision/parser_test.go
+++ b/internal/revision/parser_test.go
@@ -183,7 +183,7 @@ func (s *ParserSuite) TestParseWithValidExpression(c *C) {
 	}
 }
 
-func (s *ParserSuite) TestParseWithUnValidExpression(c *C) {
+func (s *ParserSuite) TestParseWithInvalidExpression(c *C) {
 	datas := map[string]error{
 		"..":                              &ErrInvalidRevision{`must not start with "."`},
 		"master^1master":                  &ErrInvalidRevision{`reference must be defined once at the beginning`},
@@ -198,6 +198,9 @@ func (s *ParserSuite) TestParseWithUnValidExpression(c *C) {
 		"~1":                              &ErrInvalidRevision{`"~" or "^" statement must have a reference defined at the beginning`},
 		"master:/test":                    &ErrInvalidRevision{`":" statement is not valid, could be : :/<regexp>`},
 		"master:0:README":                 &ErrInvalidRevision{`":" statement is not valid, could be : :<n>:<path>`},
+		"^{/":                             &ErrInvalidRevision{`missing "}" in ^{<data>} structure`},
+		"~@{":                             &ErrInvalidRevision{`missing "}" in @{<data>} structure`},
+		"@@{{0":                           &ErrInvalidRevision{`missing "}" in @{<data>} structure`},
 	}
 
 	for s, e := range datas {
@@ -230,7 +233,7 @@ func (s *ParserSuite) TestParseAtWithValidExpression(c *C) {
 	}
 }
 
-func (s *ParserSuite) TestParseAtWithUnValidExpression(c *C) {
+func (s *ParserSuite) TestParseAtWithInvalidExpression(c *C) {
 	datas := map[string]error{
 		"{test}": &ErrInvalidRevision{`wrong date "test" must fit ISO-8601 format : 2006-01-02T15:04:05Z`},
 		"{-1":    &ErrInvalidRevision{`missing "}" in @{-n} structure`},
diff --git a/internal/url/url.go b/internal/url/url.go
index 14cf133..2662448 100644
--- a/internal/url/url.go
+++ b/internal/url/url.go
@@ -5,8 +5,10 @@ import (
 )
 
 var (
-	isSchemeRegExp   = regexp.MustCompile(`^[^:]+://`)
-	scpLikeUrlRegExp = regexp.MustCompile(`^(?:(?P<user>[^@]+)@)?(?P<host>[^:\s]+):(?:(?P<port>[0-9]{1,5})(?:\/|:))?(?P<path>[^\\].*\/[^\\].*)$`)
+	isSchemeRegExp = regexp.MustCompile(`^[^:]+://`)
+
+	// Ref: https://github.com/git/git/blob/master/Documentation/urls.txt#L37
+	scpLikeUrlRegExp = regexp.MustCompile(`^(?:(?P<user>[^@]+)@)?(?P<host>[^:\s]+):(?:(?P<port>[0-9]{1,5}):)?(?P<path>[^\\].*)$`)
 )
 
 // MatchesScheme returns true if the given string matches a URL-like
diff --git a/internal/url/url_test.go b/internal/url/url_test.go
index d168db6..29c3f3e 100755
--- a/internal/url/url_test.go
+++ b/internal/url/url_test.go
@@ -13,11 +13,27 @@ type URLSuite struct{}
 var _ = Suite(&URLSuite{})
 
 func (s *URLSuite) TestMatchesScpLike(c *C) {
+	// See https://github.com/git/git/blob/master/Documentation/urls.txt#L37
 	examples := []string{
+		// Most-extended case
 		"git@github.com:james/bond",
-		"git@github.com:007/bond",
+		// Most-extended case with port
 		"git@github.com:22:james/bond",
+		// Most-extended case with numeric path
+		"git@github.com:007/bond",
+		// Most-extended case with port and numeric "username"
 		"git@github.com:22:007/bond",
+		// Single repo path
+		"git@github.com:bond",
+		// Single repo path with port
+		"git@github.com:22:bond",
+		// Single repo path with port and numeric repo
+		"git@github.com:22:007",
+		// Repo path ending with .git and starting with _
+		"git@github.com:22:_007.git",
+		"git@github.com:_007.git",
+		"git@github.com:_james.git",
+		"git@github.com:_james/bond.git",
 	}
 
 	for _, url := range examples {
@@ -26,35 +42,68 @@ func (s *URLSuite) TestMatchesScpLike(c *C) {
 }
 
 func (s *URLSuite) TestFindScpLikeComponents(c *C) {
-	url := "git@github.com:james/bond"
-	user, host, port, path := FindScpLikeComponents(url)
-
-	c.Check(user, Equals, "git")
-	c.Check(host, Equals, "github.com")
-	c.Check(port, Equals, "")
-	c.Check(path, Equals, "james/bond")
-
-	url = "git@github.com:007/bond"
-	user, host, port, path = FindScpLikeComponents(url)
-
-	c.Check(user, Equals, "git")
-	c.Check(host, Equals, "github.com")
-	c.Check(port, Equals, "")
-	c.Check(path, Equals, "007/bond")
-
-	url = "git@github.com:22:james/bond"
-	user, host, port, path = FindScpLikeComponents(url)
+	testCases := []struct {
+		url, user, host, port, path string
+	}{
+		{
+			// Most-extended case
+			url: "git@github.com:james/bond", user: "git", host: "github.com", port: "", path: "james/bond",
+		},
+		{
+			// Most-extended case with port
+			url: "git@github.com:22:james/bond", user: "git", host: "github.com", port: "22", path: "james/bond",
+		},
+		{
+			// Most-extended case with numeric path
+			url: "git@github.com:007/bond", user: "git", host: "github.com", port: "", path: "007/bond",
+		},
+		{
+			// Most-extended case with port and numeric path
+			url: "git@github.com:22:007/bond", user: "git", host: "github.com", port: "22", path: "007/bond",
+		},
+		{
+			// Single repo path
+			url: "git@github.com:bond", user: "git", host: "github.com", port: "", path: "bond",
+		},
+		{
+			// Single repo path with port
+			url: "git@github.com:22:bond", user: "git", host: "github.com", port: "22", path: "bond",
+		},
+		{
+			// Single repo path with port and numeric path
+			url: "git@github.com:22:007", user: "git", host: "github.com", port: "22", path: "007",
+		},
+		{
+			// Repo path ending with .git and starting with _
+			url: "git@github.com:22:_007.git", user: "git", host: "github.com", port: "22", path: "_007.git",
+		},
+		{
+			// Repo path ending with .git and starting with _
+			url: "git@github.com:_007.git", user: "git", host: "github.com", port: "", path: "_007.git",
+		},
+		{
+			// Repo path ending with .git and starting with _
+			url: "git@github.com:_james.git", user: "git", host: "github.com", port: "", path: "_james.git",
+		},
+		{
+			// Repo path ending with .git and starting with _
+			url: "git@github.com:_james/bond.git", user: "git", host: "github.com", port: "", path: "_james/bond.git",
+		},
+	}
 
-	c.Check(user, Equals, "git")
-	c.Check(host, Equals, "github.com")
-	c.Check(port, Equals, "22")
-	c.Check(path, Equals, "james/bond")
+	for _, tc := range testCases {
+		user, host, port, path := FindScpLikeComponents(tc.url)
 
-	url = "git@github.com:22:007/bond"
-	user, host, port, path = FindScpLikeComponents(url)
+		logf := func(ok bool) {
+			if ok {
+				return
+			}
+			c.Logf("%q check failed", tc.url)
+		}
 
-	c.Check(user, Equals, "git")
-	c.Check(host, Equals, "github.com")
-	c.Check(port, Equals, "22")
-	c.Check(path, Equals, "007/bond")
+		logf(c.Check(user, Equals, tc.user))
+		logf(c.Check(host, Equals, tc.host))
+		logf(c.Check(port, Equals, tc.port))
+		logf(c.Check(path, Equals, tc.path))
+	}
 }