git-parse-remote.shon commit compat: fall back on __va_copy if available (26db0f2)
   1#!/bin/sh
   2
   3# git-ls-remote could be called from outside a git managed repository;
   4# this would fail in that case and would issue an error message.
   5GIT_DIR=$(git rev-parse -q --git-dir) || :;
   6
   7get_data_source () {
   8        case "$1" in
   9        */*)
  10                echo ''
  11                ;;
  12        .)
  13                echo self
  14                ;;
  15        *)
  16                if test "$(git config --get "remote.$1.url")"
  17                then
  18                        echo config
  19                elif test -f "$GIT_DIR/remotes/$1"
  20                then
  21                        echo remotes
  22                elif test -f "$GIT_DIR/branches/$1"
  23                then
  24                        echo branches
  25                else
  26                        echo ''
  27                fi ;;
  28        esac
  29}
  30
  31get_remote_url () {
  32        data_source=$(get_data_source "$1")
  33        case "$data_source" in
  34        '')
  35                echo "$1"
  36                ;;
  37        self)
  38                echo "$1"
  39                ;;
  40        config)
  41                git config --get "remote.$1.url"
  42                ;;
  43        remotes)
  44                sed -ne '/^URL: */{
  45                        s///p
  46                        q
  47                }' "$GIT_DIR/remotes/$1"
  48                ;;
  49        branches)
  50                sed -e 's/#.*//' "$GIT_DIR/branches/$1"
  51                ;;
  52        *)
  53                die "internal error: get-remote-url $1" ;;
  54        esac
  55}
  56
  57get_default_remote () {
  58        curr_branch=$(git symbolic-ref -q HEAD | sed -e 's|^refs/heads/||')
  59        origin=$(git config --get "branch.$curr_branch.remote")
  60        echo ${origin:-origin}
  61}
  62
  63get_remote_merge_branch () {
  64        case "$#" in
  65        0|1)
  66            origin="$1"
  67            default=$(get_default_remote)
  68            test -z "$origin" && origin=$default
  69            curr_branch=$(git symbolic-ref -q HEAD) &&
  70            [ "$origin" = "$default" ] &&
  71            echo $(git for-each-ref --format='%(upstream)' $curr_branch)
  72            ;;
  73        *)
  74            repo=$1
  75            shift
  76            ref=$1
  77            # FIXME: It should return the tracking branch
  78            #        Currently only works with the default mapping
  79            case "$ref" in
  80            +*)
  81                ref=$(expr "z$ref" : 'z+\(.*\)')
  82                ;;
  83            esac
  84            expr "z$ref" : 'z.*:' >/dev/null || ref="${ref}:"
  85            remote=$(expr "z$ref" : 'z\([^:]*\):')
  86            case "$remote" in
  87            '' | HEAD ) remote=HEAD ;;
  88            heads/*) remote=${remote#heads/} ;;
  89            refs/heads/*) remote=${remote#refs/heads/} ;;
  90            refs/* | tags/* | remotes/* ) remote=
  91            esac
  92            [ -n "$remote" ] && case "$repo" in
  93                .)
  94                    echo "refs/heads/$remote"
  95                    ;;
  96                *)
  97                    echo "refs/remotes/$repo/$remote"
  98                    ;;
  99            esac
 100        esac
 101}