1 files changed, 267 insertions, 0 deletions
diff --git a/cmd_incommit.go b/cmd_incommit.go
new file mode 100644
index 0000000..f58e59f
--- /dev/null
+++ b/cmd_incommit.go
@@ -0,0 +1,267 @@
+// Copyright (C) 2017-2018, 2021  Luke Shumaker <lukeshu@lukeshu.com>
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package libfastimport
+
+import (
+	"strconv"
+	"strings"
+
+	"github.com/pkg/errors"
+)
+
+// M ///////////////////////////////////////////////////////////////////////////
+
+// FileModify appears after a CmdCommit (and before a CmdCommitEnd),
+// and causes the CmdCommit to add a new file or change the content of
+// an existing file.  The content of the file is specified by giving
+// either a mark reference (":<idnum>") or by a full 40-byte SHA-1.
+//
+// To specify the full content of the file inline, use
+// FileModifyInline instead.
+type FileModify struct {
+	Mode    Mode
+	Path    Path
+	DataRef string
+}
+
+func (o FileModify) fiCmdClass() cmdClass { return cmdClassInCommit }
+func (o FileModify) fiCmdWrite(fiw fiWriter) error {
+	return fiw.WriteLine("M", o.Mode, o.DataRef, o.Path)
+}
+func init() { parser_registerCmd("M ", FileModify{}) }
+func (FileModify) fiCmdRead(fir fiReader) (cmd Cmd, err error) {
+	// NB: This parses both FileModify and FileModifyInline
+	line, err := fir.ReadLine()
+	if err != nil {
+		return nil, err
+	}
+	str := trimLinePrefix(line, "M ")
+	fields := strings.SplitN(str, " ", 3)
+	if len(fields) != 3 {
+		return nil, errors.Errorf("commit: malformed modify command: %v", line)
+	}
+
+	nMode, err := strconv.ParseUint(fields[0], 8, 18)
+	if err != nil {
+		return nil, err
+	}
+
+	ref := fields[1]
+	path := PathUnescape(fields[2])
+
+	if ref == "inline" {
+		line, err = fir.ReadLine()
+		if err != nil {
+			return nil, err
+		}
+		data, err := parse_data(line)
+		if err != nil {
+			return nil, err
+		}
+		return FileModifyInline{
+			Mode: Mode(nMode),
+			Path: path,
+			Data: data,
+		}, nil
+	} else {
+		return FileModify{
+			Mode:    Mode(nMode),
+			Path:    path,
+			DataRef: ref,
+		}, nil
+	}
+}
+
+// FileModifyInline appears after a CmdCommit (and before a
+// CmdCommitEnd), and causes the CmdCommit to add a new file or change
+// the content of an existing file.  The full content of the file are
+// specified directly
+//
+// To instead specify the content with a mark reference (":<idnum>")
+// or with a full 40-byte SHA-1, use FileModify instead.
+type FileModifyInline struct {
+	Mode Mode
+	Path Path
+	Data string
+}
+
+func (o FileModifyInline) fiCmdClass() cmdClass { return cmdClassInCommit }
+func (o FileModifyInline) fiCmdWrite(fiw fiWriter) error {
+	ez := &ezfiw{fiw: fiw}
+	ez.WriteLine("M", o.Mode, "inline", o.Path)
+	ez.WriteData(o.Data)
+	return ez.err
+}
+func (FileModifyInline) fiCmdRead(fiReader) (Cmd, error) { panic("not reached") }
+
+// D ///////////////////////////////////////////////////////////////////////////
+
+// FileDelete appears after a CmdCommit (and before a CmdCommitEnd),
+// and causes the CmdCommit to recursively remove a file or directory.
+type FileDelete struct {
+	Path Path
+}
+
+func (o FileDelete) fiCmdClass() cmdClass { return cmdClassInCommit }
+func (o FileDelete) fiCmdWrite(fiw fiWriter) error {
+	return fiw.WriteLine("D", o.Path)
+}
+func init() { parser_registerCmd("D ", FileDelete{}) }
+func (FileDelete) fiCmdRead(fir fiReader) (cmd Cmd, err error) {
+	line, err := fir.ReadLine()
+	if err != nil {
+		return nil, err
+	}
+	return FileDelete{Path: PathUnescape(trimLinePrefix(line, "D "))}, nil
+}
+
+// C ///////////////////////////////////////////////////////////////////////////
+
+// FileCopy appears after a CmdCommit (and before a CmdCommitEnd),
+// and causes the CmdCommit to recursively copy an existing file or
+// subdirectory to a different location.
+type FileCopy struct {
+	Src Path
+	Dst Path
+}
+
+func (o FileCopy) fiCmdClass() cmdClass { return cmdClassInCommit }
+func (o FileCopy) fiCmdWrite(fiw fiWriter) error {
+	return fiw.WriteLine("C", o.Src, o.Dst)
+}
+func init() { parser_registerCmd("C ", FileDelete{}) }
+func (FileCopy) fiCmdRead(fir fiReader) (cmd Cmd, err error) {
+	// BUG(lukeshu): TODO: commit C not implemented
+	panic("TODO: commit C not implemented")
+}
+
+// R ///////////////////////////////////////////////////////////////////////////
+
+// FileRename appears after a CmdCommit (and before a CmdCommitEnd),
+// and causes the CmdCommit to rename an existing file or subdirectory
+// to a different location.
+type FileRename struct {
+	Src string
+	Dst string
+}
+
+func (o FileRename) fiCmdClass() cmdClass { return cmdClassInCommit }
+func (o FileRename) fiCmdWrite(fiw fiWriter) error {
+	return fiw.WriteLine("R", o.Src, o.Dst)
+}
+func init() { parser_registerCmd("R ", FileDelete{}) }
+func (FileRename) fiCmdRead(fir fiReader) (cmd Cmd, err error) {
+	// BUG(lukeshu): TODO: commit R not implemented
+	panic("TODO: commit R not implemented")
+}
+
+// deleteall ///////////////////////////////////////////////////////////////////
+
+// FileDeleteAll appears after a CmdCommit (and before a
+// CmdCommitEnd), and removes all files and directories from the
+// CmdCommit.
+type FileDeleteAll struct{}
+
+func (o FileDeleteAll) fiCmdClass() cmdClass { return cmdClassInCommit }
+func (o FileDeleteAll) fiCmdWrite(fiw fiWriter) error {
+	return fiw.WriteLine("deleteall")
+}
+func init() { parser_registerCmd("deleteall\n", FileDeleteAll{}) }
+func (FileDeleteAll) fiCmdRead(fir fiReader) (cmd Cmd, err error) {
+	_, err = fir.ReadLine()
+	if err != nil {
+		return nil, err
+	}
+	return FileDeleteAll{}, nil
+}
+
+// N ///////////////////////////////////////////////////////////////////////////
+
+// NoteModify appears after a CmdCommit (and before a CmdCommitEnd),
+// and causes the CmdCommit to add a new note describing CommitIsh or
+// change the content of an existing note describing CommitIsh.  The
+// content of the note is specified by giving either a mark reference
+// (":<idnum>") or by a full 40-byte SHA-1.
+//
+// To specify the full content of the note inline, use
+// NoteModifyInline instead.
+type NoteModify struct {
+	CommitIsh string
+	DataRef   string
+}
+
+func (o NoteModify) fiCmdClass() cmdClass { return cmdClassInCommit }
+func (o NoteModify) fiCmdWrite(fiw fiWriter) error {
+	return fiw.WriteLine("N", o.DataRef, o.CommitIsh)
+}
+func init() { parser_registerCmd("N ", NoteModify{}) }
+func (NoteModify) fiCmdRead(fir fiReader) (cmd Cmd, err error) {
+	// NB: This parses both NoteModify and NoteModifyInline
+	line, err := fir.ReadLine()
+	if err != nil {
+		return nil, err
+	}
+	str := trimLinePrefix(line, "N ")
+	sp := strings.IndexByte(str, ' ')
+	if sp < 0 {
+		return nil, errors.Errorf("commit: malformed notemodify command: %v", line)
+	}
+
+	ref := str[:sp]
+	commitish := str[sp+1:]
+
+	if ref == "inline" {
+		line, err = fir.ReadLine()
+		if err != nil {
+			return nil, err
+		}
+		data, err := parse_data(line)
+		if err != nil {
+			return nil, err
+		}
+		return NoteModifyInline{
+			CommitIsh: commitish,
+			Data:      data,
+		}, nil
+	} else {
+		return NoteModify{
+			CommitIsh: commitish,
+			DataRef:   ref,
+		}, nil
+	}
+}
+
+// NoteModifyInline appears after a CmdCommit (and before a
+// CmdCommitEnd), and causes the CmdCommit to add a new note
+// describing CommitIsh or change the content of an existing note
+// describing CommitIsh.  The full content of the note is specified
+// directly.
+//
+// To instead specify the content with a mark reference (":<idnum>")
+// or with a full 40-byte SHA-1, use NoteModify instead.
+type NoteModifyInline struct {
+	CommitIsh string
+	Data      string
+}
+
+func (o NoteModifyInline) fiCmdClass() cmdClass { return cmdClassInCommit }
+func (o NoteModifyInline) fiCmdWrite(fiw fiWriter) error {
+	ez := &ezfiw{fiw: fiw}
+	ez.WriteLine("N", "inline", o.CommitIsh)
+	ez.WriteData(o.Data)
+	return ez.err
+}
+func (NoteModifyInline) fiCmdRead(fiReader) (Cmd, error) { panic("not reached") }