2015-03-19 19:30:55 +00:00
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package lfs
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2013-11-05 17:07:03 +00:00
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2013-11-05 17:45:01 +00:00
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import (
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2014-05-22 23:02:56 +00:00
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"fmt"
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2015-01-12 00:53:10 +00:00
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"net/http"
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2015-02-12 23:25:18 +00:00
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"net/url"
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2014-03-12 15:31:41 +00:00
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"os"
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2015-06-01 18:53:08 +00:00
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"path/filepath"
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2015-04-23 14:48:44 +00:00
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"strconv"
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2014-02-01 20:38:29 +00:00
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"strings"
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2015-04-23 01:07:52 +00:00
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"sync"
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2015-05-13 19:43:41 +00:00
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"github.com/github/git-lfs/git"
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2015-10-07 20:54:23 +00:00
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"github.com/github/git-lfs/vendor/_nuts/github.com/ThomsonReutersEikon/go-ntlm/ntlm"
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2015-07-09 13:45:18 +00:00
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"github.com/github/git-lfs/vendor/_nuts/github.com/rubyist/tracerx"
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2013-11-05 17:45:01 +00:00
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)
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2015-06-17 20:38:09 +00:00
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var (
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Config = NewConfig()
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defaultRemote = "origin"
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)
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2015-08-04 16:46:51 +00:00
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// FetchPruneConfig collects together the config options that control fetching and pruning
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type FetchPruneConfig struct {
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// The number of days prior to current date for which (local) refs other than HEAD
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// will be fetched with --recent (default 7, 0 = only fetch HEAD)
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FetchRecentRefsDays int
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2015-09-01 11:06:30 +00:00
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// Makes the FetchRecentRefsDays option apply to remote refs from fetch source as well (default true)
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2015-08-04 16:46:51 +00:00
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FetchRecentRefsIncludeRemotes bool
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// number of days prior to latest commit on a ref that we'll fetch previous
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2015-08-17 11:04:43 +00:00
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// LFS changes too (default 0 = only fetch at ref)
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2015-08-04 16:46:51 +00:00
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FetchRecentCommitsDays int
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2015-08-17 11:03:13 +00:00
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// Whether to always fetch recent even without --recent
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FetchRecentAlways bool
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2015-08-04 16:46:51 +00:00
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// Number of days added to FetchRecent*; data outside combined window will be
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// deleted when prune is run. (default 3)
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PruneOffsetDays int
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}
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2013-11-05 17:07:03 +00:00
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type Configuration struct {
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2015-02-17 16:39:15 +00:00
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CurrentRemote string
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2015-06-03 21:33:00 +00:00
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httpClient *HttpClient
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2015-02-13 23:51:01 +00:00
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redirectingHttpClient *http.Client
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2015-08-27 20:38:35 +00:00
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ntlmSession ntlm.ClientSession
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2015-06-13 23:13:58 +00:00
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envVars map[string]string
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2015-03-05 19:49:15 +00:00
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isTracingHttp bool
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2015-06-04 18:30:47 +00:00
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isLoggingStats bool
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2015-06-13 23:00:36 +00:00
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2015-08-06 13:56:57 +00:00
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loading sync.Mutex // guards initialization of gitConfig and remotes
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gitConfig map[string]string
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2015-08-28 21:19:52 +00:00
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origConfig map[string]string
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2015-08-06 13:56:57 +00:00
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remotes []string
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extensions map[string]Extension
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fetchIncludePaths []string
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fetchExcludePaths []string
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2015-08-04 16:46:51 +00:00
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fetchPruneConfig *FetchPruneConfig
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2013-11-05 17:07:03 +00:00
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}
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2015-03-05 19:59:52 +00:00
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func NewConfig() *Configuration {
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2015-03-05 20:04:00 +00:00
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c := &Configuration{
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CurrentRemote: defaultRemote,
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2015-06-13 23:13:58 +00:00
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envVars: make(map[string]string),
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2015-03-05 19:59:52 +00:00
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}
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2015-06-16 23:30:16 +00:00
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c.isTracingHttp = c.GetenvBool("GIT_CURL_VERBOSE", false)
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c.isLoggingStats = c.GetenvBool("GIT_LOG_STATS", false)
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2015-03-05 19:59:52 +00:00
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return c
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}
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2015-06-13 23:13:58 +00:00
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func (c *Configuration) Getenv(key string) string {
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if i, ok := c.envVars[key]; ok {
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return i
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2015-03-29 19:16:28 +00:00
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}
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2015-06-13 23:13:58 +00:00
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v := os.Getenv(key)
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c.envVars[key] = v
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return v
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2015-03-29 19:16:28 +00:00
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}
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2015-06-22 09:46:40 +00:00
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func (c *Configuration) Setenv(key, value string) error {
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// Check see if we have this in our cache, if so update it
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if _, ok := c.envVars[key]; ok {
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c.envVars[key] = value
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}
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// Now set in process
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return os.Setenv(key, value)
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}
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2015-06-16 23:30:16 +00:00
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// GetenvBool parses a boolean environment variable and returns the result as a bool.
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// If the environment variable is unset, empty, or if the parsing fails,
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// the value of def (default) is returned instead.
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func (c *Configuration) GetenvBool(key string, def bool) bool {
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s := c.Getenv(key)
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if len(s) == 0 {
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return def
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}
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2015-09-02 17:52:38 +00:00
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b, err := parseConfigBool(s)
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2015-06-16 23:30:16 +00:00
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if err != nil {
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return def
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}
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return b
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}
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2015-03-27 22:36:33 +00:00
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func (c *Configuration) Endpoint() Endpoint {
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2015-03-19 19:30:55 +00:00
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if url, ok := c.GitConfig("lfs.url"); ok {
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2015-06-17 10:04:22 +00:00
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return NewEndpoint(url)
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2013-11-05 17:07:03 +00:00
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}
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2015-02-02 22:39:03 +00:00
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if len(c.CurrentRemote) > 0 && c.CurrentRemote != defaultRemote {
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2015-03-27 22:36:33 +00:00
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if endpoint := c.RemoteEndpoint(c.CurrentRemote); len(endpoint.Url) > 0 {
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2015-02-02 22:39:03 +00:00
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return endpoint
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}
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}
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return c.RemoteEndpoint(defaultRemote)
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2013-11-05 17:07:03 +00:00
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}
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2013-11-05 17:45:01 +00:00
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2015-05-13 15:27:06 +00:00
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func (c *Configuration) ConcurrentTransfers() int {
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2015-04-23 14:48:44 +00:00
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uploads := 3
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2015-05-13 15:27:06 +00:00
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if v, ok := c.GitConfig("lfs.concurrenttransfers"); ok {
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2015-04-23 14:48:44 +00:00
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n, err := strconv.Atoi(v)
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2015-05-26 19:42:37 +00:00
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if err == nil && n > 0 {
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2015-04-23 14:48:44 +00:00
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uploads = n
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}
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}
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return uploads
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}
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2015-05-07 18:37:30 +00:00
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func (c *Configuration) BatchTransfer() bool {
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2015-09-02 17:52:38 +00:00
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value, ok := c.GitConfig("lfs.batch")
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if !ok || len(value) == 0 {
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return true
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}
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useBatch, err := parseConfigBool(value)
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if err != nil {
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2015-09-02 17:37:19 +00:00
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return false
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2015-05-07 18:37:30 +00:00
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}
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2015-09-02 17:52:38 +00:00
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return useBatch
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2015-05-07 18:37:30 +00:00
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}
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2015-10-05 19:26:39 +00:00
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func (c *Configuration) NtlmAccess() bool {
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2015-10-07 20:54:23 +00:00
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return c.Access() == "ntlm"
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2015-10-05 19:26:39 +00:00
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}
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2015-06-24 20:18:41 +00:00
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// PrivateAccess will retrieve the access value and return true if
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// the value is set to private. When a repo is marked as having private
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// access, the http requests for the batch api will fetch the credentials
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// before running, otherwise the request will run without credentials.
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2015-06-18 16:46:27 +00:00
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func (c *Configuration) PrivateAccess() bool {
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2015-10-07 18:30:53 +00:00
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return c.Access() != "none"
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2015-09-01 17:24:10 +00:00
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}
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// Access returns the access auth type.
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2015-09-02 18:53:43 +00:00
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func (c *Configuration) Access() string {
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2015-09-01 21:47:47 +00:00
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return c.EndpointAccess(c.Endpoint())
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}
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// SetAccess will set the private access flag in .git/config.
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2015-09-02 18:53:43 +00:00
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func (c *Configuration) SetAccess(authType string) {
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2015-09-01 21:47:47 +00:00
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c.SetEndpointAccess(c.Endpoint(), authType)
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}
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2015-09-02 18:53:43 +00:00
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func (c *Configuration) EndpointAccess(e Endpoint) string {
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2015-09-01 21:47:47 +00:00
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key := fmt.Sprintf("lfs.%s.access", e.Url)
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2015-09-01 21:48:47 +00:00
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if v, ok := c.GitConfig(key); ok && len(v) > 0 {
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2015-09-02 19:03:37 +00:00
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lower := strings.ToLower(v)
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if lower == "private" {
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return "basic"
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}
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return lower
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2015-06-18 16:46:27 +00:00
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}
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2015-09-02 18:53:43 +00:00
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return "none"
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2015-06-18 16:46:27 +00:00
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}
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2015-09-02 18:53:43 +00:00
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func (c *Configuration) SetEndpointAccess(e Endpoint, authType string) {
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2015-09-01 17:24:10 +00:00
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tracerx.Printf("setting repository access to %s", authType)
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2015-09-01 21:47:47 +00:00
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key := fmt.Sprintf("lfs.%s.access", e.Url)
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2015-06-23 21:27:04 +00:00
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// Modify the config cache because it's checked again in this process
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// without being reloaded.
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2015-09-02 18:53:43 +00:00
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switch authType {
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case "", "none":
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2015-09-02 19:28:30 +00:00
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git.Config.UnsetLocalKey("", key)
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2015-09-01 17:24:10 +00:00
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c.loading.Lock()
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2015-10-01 20:18:37 +00:00
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delete(c.gitConfig, strings.ToLower(key))
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2015-09-01 17:24:10 +00:00
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c.loading.Unlock()
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2015-09-02 18:53:43 +00:00
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default:
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2015-09-02 19:28:30 +00:00
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git.Config.SetLocal("", key, authType)
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2015-09-01 17:24:10 +00:00
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c.loading.Lock()
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2015-10-01 20:18:37 +00:00
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c.gitConfig[strings.ToLower(key)] = authType
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2015-09-01 17:24:10 +00:00
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c.loading.Unlock()
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}
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2015-06-23 21:27:04 +00:00
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}
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2015-08-06 13:56:57 +00:00
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func (c *Configuration) FetchIncludePaths() []string {
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c.loadGitConfig()
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return c.fetchIncludePaths
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}
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func (c *Configuration) FetchExcludePaths() []string {
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c.loadGitConfig()
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return c.fetchExcludePaths
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}
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2015-03-27 22:36:33 +00:00
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func (c *Configuration) RemoteEndpoint(remote string) Endpoint {
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2015-02-02 22:39:03 +00:00
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if len(remote) == 0 {
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remote = defaultRemote
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}
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2015-04-15 19:24:44 +00:00
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if url, ok := c.GitConfig("remote." + remote + ".lfsurl"); ok {
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2015-06-17 10:04:22 +00:00
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return NewEndpoint(url)
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2014-02-01 20:38:29 +00:00
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}
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if url, ok := c.GitConfig("remote." + remote + ".url"); ok {
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2015-06-17 10:04:22 +00:00
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return NewEndpointFromCloneURL(url)
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2015-06-13 22:55:23 +00:00
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}
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2014-03-19 21:21:52 +00:00
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2015-06-13 22:55:23 +00:00
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return Endpoint{}
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}
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2014-03-19 21:21:52 +00:00
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2014-02-01 20:38:29 +00:00
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func (c *Configuration) Remotes() []string {
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2015-03-05 19:49:15 +00:00
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c.loadGitConfig()
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2014-02-01 20:38:29 +00:00
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return c.remotes
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}
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2015-07-10 20:54:06 +00:00
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func (c *Configuration) Extensions() map[string]Extension {
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c.loadGitConfig()
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return c.extensions
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}
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2014-02-01 20:38:29 +00:00
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func (c *Configuration) GitConfig(key string) (string, bool) {
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2015-03-05 19:49:15 +00:00
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c.loadGitConfig()
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2015-01-12 00:53:10 +00:00
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value, ok := c.gitConfig[strings.ToLower(key)]
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2014-02-01 20:38:29 +00:00
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return value, ok
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}
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2015-09-02 19:25:34 +00:00
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func (c *Configuration) AllGitConfig() map[string]string {
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c.loadGitConfig()
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return c.gitConfig
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}
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2015-03-19 20:39:44 +00:00
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func (c *Configuration) ObjectUrl(oid string) (*url.URL, error) {
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2015-03-29 19:16:28 +00:00
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return ObjectUrl(c.Endpoint(), oid)
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2015-02-12 23:25:18 +00:00
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}
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2015-08-04 16:46:51 +00:00
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func (c *Configuration) FetchPruneConfig() *FetchPruneConfig {
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if c.fetchPruneConfig == nil {
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c.fetchPruneConfig = &FetchPruneConfig{
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FetchRecentRefsDays: 7,
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2015-09-01 11:06:30 +00:00
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FetchRecentRefsIncludeRemotes: true,
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2015-08-17 11:04:43 +00:00
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FetchRecentCommitsDays: 0,
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2015-08-04 16:46:51 +00:00
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PruneOffsetDays: 3,
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}
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if v, ok := c.GitConfig("lfs.fetchrecentrefsdays"); ok {
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n, err := strconv.Atoi(v)
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2015-08-27 14:17:40 +00:00
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if err == nil && n >= 0 {
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2015-08-04 16:46:51 +00:00
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c.fetchPruneConfig.FetchRecentRefsDays = n
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}
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}
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2015-08-17 11:03:55 +00:00
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if v, ok := c.GitConfig("lfs.fetchrecentremoterefs"); ok {
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2015-09-02 17:52:38 +00:00
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if b, err := parseConfigBool(v); err == nil {
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c.fetchPruneConfig.FetchRecentRefsIncludeRemotes = b
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2015-08-04 16:46:51 +00:00
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}
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}
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if v, ok := c.GitConfig("lfs.fetchrecentcommitsdays"); ok {
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n, err := strconv.Atoi(v)
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2015-08-27 14:17:40 +00:00
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if err == nil && n >= 0 {
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2015-08-04 16:46:51 +00:00
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c.fetchPruneConfig.FetchRecentCommitsDays = n
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}
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}
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2015-08-17 11:03:13 +00:00
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if v, ok := c.GitConfig("lfs.fetchrecentalways"); ok {
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2015-09-02 17:52:38 +00:00
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if b, err := parseConfigBool(v); err == nil {
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c.fetchPruneConfig.FetchRecentAlways = b
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2015-08-17 11:03:13 +00:00
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}
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}
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2015-08-04 16:46:51 +00:00
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if v, ok := c.GitConfig("lfs.pruneoffsetdays"); ok {
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n, err := strconv.Atoi(v)
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2015-08-27 14:17:40 +00:00
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|
|
if err == nil && n >= 0 {
|
2015-08-04 16:46:51 +00:00
|
|
|
c.fetchPruneConfig.PruneOffsetDays = n
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
return c.fetchPruneConfig
|
|
|
|
}
|
|
|
|
|
2015-09-02 17:52:38 +00:00
|
|
|
func parseConfigBool(str string) (bool, error) {
|
|
|
|
switch strings.ToLower(str) {
|
|
|
|
case "true", "1", "on", "yes", "t":
|
|
|
|
return true, nil
|
|
|
|
case "false", "0", "off", "no", "f":
|
|
|
|
return false, nil
|
|
|
|
}
|
|
|
|
return false, fmt.Errorf("Unable to parse %q as a boolean", str)
|
|
|
|
}
|
|
|
|
|
2015-08-28 21:19:52 +00:00
|
|
|
func (c *Configuration) loadGitConfig() bool {
|
2015-04-23 01:07:52 +00:00
|
|
|
c.loading.Lock()
|
|
|
|
defer c.loading.Unlock()
|
|
|
|
|
2015-03-05 19:49:15 +00:00
|
|
|
if c.gitConfig != nil {
|
2015-08-28 21:19:52 +00:00
|
|
|
return false
|
2015-03-05 19:49:15 +00:00
|
|
|
}
|
|
|
|
|
2014-02-01 20:38:29 +00:00
|
|
|
c.gitConfig = make(map[string]string)
|
2015-07-10 20:54:06 +00:00
|
|
|
c.extensions = make(map[string]Extension)
|
2014-03-12 15:31:41 +00:00
|
|
|
|
2014-09-23 15:40:23 +00:00
|
|
|
listOutput, err := git.Config.List()
|
2014-06-03 22:03:43 +00:00
|
|
|
if err != nil {
|
2014-06-05 18:48:23 +00:00
|
|
|
panic(fmt.Errorf("Error listing git config: %s", err))
|
2014-06-03 22:03:43 +00:00
|
|
|
}
|
|
|
|
|
2015-06-01 18:53:08 +00:00
|
|
|
configFile := filepath.Join(LocalWorkingDir, ".gitconfig")
|
|
|
|
fileOutput, err := git.Config.ListFromFile(configFile)
|
2014-06-03 22:03:43 +00:00
|
|
|
if err != nil {
|
2015-10-20 16:31:56 +00:00
|
|
|
panic(fmt.Errorf("Error listing git config from %s: %s", configFile, err))
|
2014-06-03 22:03:43 +00:00
|
|
|
}
|
|
|
|
|
2015-06-23 21:27:04 +00:00
|
|
|
localConfig := filepath.Join(LocalGitDir, "config")
|
|
|
|
localOutput, err := git.Config.ListFromFile(localConfig)
|
|
|
|
if err != nil {
|
2015-10-20 16:31:56 +00:00
|
|
|
panic(fmt.Errorf("Error listing git config from %s: %s", localConfig, err))
|
2015-06-23 21:27:04 +00:00
|
|
|
}
|
|
|
|
|
2015-10-20 16:31:56 +00:00
|
|
|
uniqRemotes := make(map[string]bool)
|
|
|
|
c.readGitConfig(fileOutput, uniqRemotes, true)
|
|
|
|
c.readGitConfig(listOutput, uniqRemotes, false)
|
|
|
|
c.readGitConfig(localOutput, uniqRemotes, false)
|
|
|
|
|
|
|
|
c.remotes = make([]string, 0, len(uniqRemotes))
|
|
|
|
for remote, isOrigin := range uniqRemotes {
|
|
|
|
if isOrigin {
|
|
|
|
continue
|
|
|
|
}
|
|
|
|
c.remotes = append(c.remotes, remote)
|
|
|
|
}
|
2014-03-12 15:31:41 +00:00
|
|
|
|
2015-10-20 16:31:56 +00:00
|
|
|
return true
|
|
|
|
}
|
|
|
|
|
2015-10-23 16:14:13 +00:00
|
|
|
func (c *Configuration) readGitConfig(output string, uniqRemotes map[string]bool, onlySafe bool) {
|
2014-03-12 15:31:41 +00:00
|
|
|
lines := strings.Split(output, "\n")
|
2014-02-01 20:38:29 +00:00
|
|
|
for _, line := range lines {
|
|
|
|
pieces := strings.SplitN(line, "=", 2)
|
2014-03-12 15:31:41 +00:00
|
|
|
if len(pieces) < 2 {
|
|
|
|
continue
|
|
|
|
}
|
2015-10-20 16:31:56 +00:00
|
|
|
|
2015-10-23 16:14:13 +00:00
|
|
|
allowed := !onlySafe
|
2015-01-12 00:53:10 +00:00
|
|
|
key := strings.ToLower(pieces[0])
|
2015-07-10 20:54:06 +00:00
|
|
|
value := pieces[1]
|
2014-02-01 20:38:29 +00:00
|
|
|
|
|
|
|
keyParts := strings.Split(key, ".")
|
2015-10-20 16:31:56 +00:00
|
|
|
if len(keyParts) == 4 && keyParts[0] == "lfs" && keyParts[1] == "extension" {
|
2015-08-02 01:09:06 +00:00
|
|
|
name := keyParts[2]
|
2015-07-10 20:54:06 +00:00
|
|
|
ext := c.extensions[name]
|
2015-08-02 01:09:06 +00:00
|
|
|
switch keyParts[3] {
|
2015-07-10 20:54:06 +00:00
|
|
|
case "clean":
|
2015-10-23 16:14:13 +00:00
|
|
|
if onlySafe {
|
2015-10-20 16:31:56 +00:00
|
|
|
continue
|
|
|
|
}
|
2015-07-10 20:54:06 +00:00
|
|
|
ext.Clean = value
|
|
|
|
case "smudge":
|
2015-10-23 16:14:13 +00:00
|
|
|
if onlySafe {
|
2015-10-20 16:31:56 +00:00
|
|
|
continue
|
|
|
|
}
|
2015-07-10 20:54:06 +00:00
|
|
|
ext.Smudge = value
|
|
|
|
case "priority":
|
2015-10-20 16:31:56 +00:00
|
|
|
allowed = true
|
2015-07-10 20:54:06 +00:00
|
|
|
p, err := strconv.Atoi(value)
|
|
|
|
if err == nil && p >= 0 {
|
|
|
|
ext.Priority = p
|
|
|
|
}
|
|
|
|
}
|
2015-10-20 16:31:56 +00:00
|
|
|
|
2015-07-10 20:54:06 +00:00
|
|
|
ext.Name = name
|
|
|
|
c.extensions[name] = ext
|
2015-10-20 16:31:56 +00:00
|
|
|
} else if len(keyParts) > 1 && keyParts[0] == "remote" {
|
2015-10-23 16:14:13 +00:00
|
|
|
if onlySafe && (len(keyParts) == 3 && keyParts[2] != "lfsurl") {
|
2015-10-20 16:31:56 +00:00
|
|
|
continue
|
|
|
|
}
|
|
|
|
|
|
|
|
allowed = true
|
|
|
|
remote := keyParts[1]
|
|
|
|
uniqRemotes[remote] = remote == "origin"
|
|
|
|
}
|
|
|
|
|
2015-10-26 16:46:58 +00:00
|
|
|
if !allowed && keyIsUnsafe(key) {
|
2015-10-20 16:31:56 +00:00
|
|
|
continue
|
|
|
|
}
|
|
|
|
|
|
|
|
c.gitConfig[key] = value
|
|
|
|
|
|
|
|
if len(keyParts) == 2 && keyParts[0] == "lfs" && keyParts[1] == "fetchinclude" {
|
2015-08-06 13:56:57 +00:00
|
|
|
for _, inc := range strings.Split(value, ",") {
|
|
|
|
inc = strings.TrimSpace(inc)
|
|
|
|
c.fetchIncludePaths = append(c.fetchIncludePaths, inc)
|
|
|
|
}
|
|
|
|
} else if len(keyParts) == 2 && keyParts[0] == "lfs" && keyParts[1] == "fetchexclude" {
|
|
|
|
for _, ex := range strings.Split(value, ",") {
|
|
|
|
ex = strings.TrimSpace(ex)
|
|
|
|
c.fetchExcludePaths = append(c.fetchExcludePaths, ex)
|
|
|
|
}
|
2014-02-01 20:38:29 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2015-10-26 16:46:58 +00:00
|
|
|
func keyIsUnsafe(key string) bool {
|
|
|
|
for _, safe := range safeKeys {
|
|
|
|
if safe == key {
|
|
|
|
return false
|
2014-02-01 21:04:40 +00:00
|
|
|
}
|
2014-02-01 20:38:29 +00:00
|
|
|
}
|
2015-08-28 21:19:52 +00:00
|
|
|
return true
|
2014-02-01 20:38:29 +00:00
|
|
|
}
|
2015-10-26 16:46:58 +00:00
|
|
|
|
|
|
|
var safeKeys = []string{
|
|
|
|
"lfs.url",
|
|
|
|
"lfs.fetchinclude",
|
|
|
|
"lfs.fetchexclude",
|
|
|
|
}
|