Andrew's git - gitweb.git/blob - git-parse-remote.sh

   1# This is a shell library to calculate the remote repository and
   2# upstream branch that should be pulled by "git pull" from the current
   3# branch.
   4
   5# git-ls-remote could be called from outside a git managed repository;
   6# this would fail in that case and would issue an error message.
   7GIT_DIR=$(git rev-parse -q --git-dir) || :;
   8
   9get_default_remote () {
  10        curr_branch=$(git symbolic-ref -q HEAD)
  11        curr_branch="${curr_branch#refs/heads/}"
  12        origin=$(git config --get "branch.$curr_branch.remote")
  13        echo ${origin:-origin}
  14}
  15
  16get_remote_merge_branch () {
  17        case "$#" in
  18        0|1)
  19            origin="$1"
  20            default=$(get_default_remote)
  21            test -z "$origin" && origin=$default
  22            curr_branch=$(git symbolic-ref -q HEAD) &&
  23            [ "$origin" = "$default" ] &&
  24            echo $(git for-each-ref --format='%(upstream)' $curr_branch)
  25            ;;
  26        *)
  27            repo=$1
  28            shift
  29            ref=$1
  30            # FIXME: It should return the tracking branch
  31            #        Currently only works with the default mapping
  32            case "$ref" in
  33            +*)
  34                ref=$(expr "z$ref" : 'z+\(.*\)')
  35                ;;
  36            esac
  37            expr "z$ref" : 'z.*:' >/dev/null || ref="${ref}:"
  38            remote=$(expr "z$ref" : 'z\([^:]*\):')
  39            case "$remote" in
  40            '' | HEAD ) remote=HEAD ;;
  41            heads/*) remote=${remote#heads/} ;;
  42            refs/heads/*) remote=${remote#refs/heads/} ;;
  43            refs/* | tags/* | remotes/* ) remote=
  44            esac
  45            [ -n "$remote" ] && case "$repo" in
  46                .)
  47                    echo "refs/heads/$remote"
  48                    ;;
  49                *)
  50                    echo "refs/remotes/$repo/$remote"
  51                    ;;
  52            esac
  53        esac
  54}
  55
  56error_on_missing_default_upstream () {
  57        cmd="$1"
  58        op_type="$2"
  59        op_prep="$3" # FIXME: op_prep is no longer used
  60        example="$4"
  61        branch_name=$(git symbolic-ref -q HEAD)
  62        display_branch_name="${branch_name#refs/heads/}"
  63        # If there's only one remote, use that in the suggestion
  64        remote="$(gettext "<remote>")"
  65        branch="$(gettext "<branch>")"
  66        if test $(git remote | wc -l) = 1
  67        then
  68                remote=$(git remote)
  69        fi
  70
  71        if test -z "$branch_name"
  72        then
  73                gettextln "You are not currently on a branch."
  74        else
  75                gettextln "There is no tracking information for the current branch."
  76        fi
  77        case "$op_type" in
  78        rebase)
  79                gettextln "Please specify which branch you want to rebase against."
  80                ;;
  81        merge)
  82                gettextln "Please specify which branch you want to merge with."
  83                ;;
  84        *)
  85                echo >&2 "BUG: unknown operation type: $op_type"
  86                exit 1
  87                ;;
  88        esac
  89        eval_gettextln "See git-\${cmd}(1) for details."
  90        echo
  91        echo "    $example"
  92        echo
  93        if test -n "$branch_name"
  94        then
  95                gettextln "If you wish to set tracking information for this branch you can do so with:"
  96                echo
  97                echo "    git branch --set-upstream-to=$remote/$branch $display_branch_name"
  98                echo
  99        fi
 100        exit 1
 101}