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repositories.go
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/
repositories.go
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// Copyright (c) 2018 John Dewey
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
package repositories
import (
"log/slog"
"strings"
"github.com/avfs/avfs"
"github.com/retr0h/gilt/v2/internal"
intPath "github.com/retr0h/gilt/v2/internal/path"
"github.com/retr0h/gilt/v2/pkg/config"
)
// New factory to create a new Repository instance.
func New(
appFs avfs.VFS,
c config.Repositories,
repoManager internal.RepositoryManager,
execManager internal.ExecManager,
logger *slog.Logger,
) *Repositories {
return &Repositories{
appFs: appFs,
config: c,
repoManager: repoManager,
execManager: execManager,
logger: logger,
}
}
func (r *Repositories) getGiltDir() (string, error) {
giltDir, err := intPath.ExpandUser(r.config.GiltDir)
return giltDir, err
}
// getCacheDir create the cacheDir if it doesn't exist.
func (r *Repositories) getCacheDir() (string, error) {
giltDir, err := r.getGiltDir()
if err != nil {
return "", err
}
cacheDir := r.appFs.Join(giltDir, "cache")
if err := r.appFs.MkdirAll(cacheDir, 0o700); err != nil {
if i, e := r.appFs.Stat(cacheDir); e == nil && i.IsDir() {
return cacheDir, nil
}
return "", err
}
return cacheDir, nil
}
// Overlay clone and extract the Repository items.
func (r *Repositories) Overlay() error {
cacheDir, err := r.getCacheDir()
if err != nil {
r.logger.Error(
"error expanding dir",
slog.String("giltDir", r.config.GiltDir),
slog.String("cacheDir", cacheDir),
slog.String("err", err.Error()),
)
return err
}
for _, c := range r.config.Repositories {
targetDir, err := r.repoManager.Clone(c, cacheDir)
if err != nil {
return err
}
// Easy mode: create a full worktree, directly in DstDir
if c.DstDir != "" {
// delete dstDir since `git worktree add` will not replace existing directories
if info, err := r.appFs.Stat(c.DstDir); err == nil && info.Mode().IsDir() {
if err := r.appFs.RemoveAll(c.DstDir); err != nil {
return err
}
}
if err := r.repoManager.Worktree(c, targetDir, c.DstDir); err != nil {
return err
}
}
// Hard mode: copy subtrees of the worktree from Repository.Src to
// Repository.DstDir (or Repository.DstFile)
if len(c.Sources) > 0 {
giltDir, err := r.getGiltDir()
if err != nil {
return err
}
err = r.execManager.RunInTempDir(giltDir, "tmp", func(tmpDir string) error {
tmpClone := r.appFs.Join(tmpDir, r.appFs.Base(targetDir))
if err := r.repoManager.Worktree(c, targetDir, tmpClone); err != nil {
return err
}
return r.repoManager.CopySources(c, tmpClone)
})
if err != nil {
return err
}
}
// run post commands
if len(c.Commands) > 0 {
for _, command := range c.Commands {
r.logger.Info(
"executing command",
slog.String("cmd", command.Cmd),
slog.String("args", strings.Join(command.Args, " ")),
)
if err := r.execManager.RunCmd(command.Cmd, command.Args); err != nil {
return err
}
}
}
}
return nil
}