91 lines
1.7 KiB
Go
91 lines
1.7 KiB
Go
package commands
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import (
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"fmt"
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"github.com/github/git-media/gitconfig"
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"github.com/github/git-media/gitmedia"
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"regexp"
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)
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type InitCommand struct {
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*Command
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}
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var valueRegexp = regexp.MustCompile("\\Agit[\\-\\s]media")
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func (c *InitCommand) Run() {
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var sub string
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if len(c.SubCommands) > 0 {
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sub = c.SubCommands[0]
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}
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switch sub {
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case "hooks":
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if err := c.hookInit(); err != nil {
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gitmedia.Print("%s", err)
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return
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}
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default:
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c.runInit()
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}
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gitmedia.Print("git media initialized")
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}
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func (c *InitCommand) runInit() {
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c.globalInit()
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if gitmedia.InRepo() {
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c.hookInit()
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}
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}
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func (c *InitCommand) globalInit() {
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setFilter("clean")
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setFilter("smudge")
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requireFilters()
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}
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func (c *InitCommand) hookInit() error {
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return gitmedia.InstallHooks()
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}
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func setFilter(filterName string) {
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key := fmt.Sprintf("filter.media.%s", filterName)
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value := fmt.Sprintf("git media %s %%f", filterName)
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existing := gitconfig.Find(key)
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if shouldReset(existing) {
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gitmedia.Print("Installing %s filter", filterName)
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gitconfig.UnsetGlobal(key)
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gitconfig.SetGlobal(key, value)
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} else if existing != value {
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gitmedia.Print("The %s filter should be \"%s\" but is \"%s\"", filterName, value, existing)
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}
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}
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func requireFilters() {
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key := "filter.media.required"
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value := "true"
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existing := gitconfig.Find(key)
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if shouldReset(existing) {
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gitconfig.UnsetGlobal(key)
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gitconfig.SetGlobal(key, value)
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} else if existing != value {
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gitmedia.Print("Media filters should be required but are not")
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}
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}
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func shouldReset(value string) bool {
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if len(value) == 0 {
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return true
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}
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return valueRegexp.MatchString(value)
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}
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func init() {
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registerCommand("init", func(c *Command) RunnableCommand {
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return &InitCommand{Command: c}
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})
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}
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