git-parse-remote.shon commit push: clarify rejection of update to non-commit-ish (80054cf)
   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=$(git rev-parse -q --git-dir) || :;
   6
   7get_default_remote () {
   8        curr_branch=$(git symbolic-ref -q HEAD)
   9        curr_branch="${curr_branch#refs/heads/}"
  10        origin=$(git config --get "branch.$curr_branch.remote")
  11        echo ${origin:-origin}
  12}
  13
  14get_remote_merge_branch () {
  15        case "$#" in
  16        0|1)
  17            origin="$1"
  18            default=$(get_default_remote)
  19            test -z "$origin" && origin=$default
  20            curr_branch=$(git symbolic-ref -q HEAD) &&
  21            [ "$origin" = "$default" ] &&
  22            echo $(git for-each-ref --format='%(upstream)' $curr_branch)
  23            ;;
  24        *)
  25            repo=$1
  26            shift
  27            ref=$1
  28            # FIXME: It should return the tracking branch
  29            #        Currently only works with the default mapping
  30            case "$ref" in
  31            +*)
  32                ref=$(expr "z$ref" : 'z+\(.*\)')
  33                ;;
  34            esac
  35            expr "z$ref" : 'z.*:' >/dev/null || ref="${ref}:"
  36            remote=$(expr "z$ref" : 'z\([^:]*\):')
  37            case "$remote" in
  38            '' | HEAD ) remote=HEAD ;;
  39            heads/*) remote=${remote#heads/} ;;
  40            refs/heads/*) remote=${remote#refs/heads/} ;;
  41            refs/* | tags/* | remotes/* ) remote=
  42            esac
  43            [ -n "$remote" ] && case "$repo" in
  44                .)
  45                    echo "refs/heads/$remote"
  46                    ;;
  47                *)
  48                    echo "refs/remotes/$repo/$remote"
  49                    ;;
  50            esac
  51        esac
  52}
  53
  54error_on_missing_default_upstream () {
  55        cmd="$1"
  56        op_type="$2"
  57        op_prep="$3"
  58        example="$4"
  59        branch_name=$(git symbolic-ref -q HEAD)
  60        # If there's only one remote, use that in the suggestion
  61        remote="<remote>"
  62        if test $(git remote | wc -l) = 1
  63        then
  64                remote=$(git remote)
  65        fi
  66
  67        if test -z "$branch_name"
  68        then
  69                echo "You are not currently on a branch. Please specify which
  70branch you want to $op_type $op_prep. See git-${cmd}(1) for details.
  71
  72    $example
  73"
  74        else
  75                echo "There is no tracking information for the current branch.
  76Please specify which branch you want to $op_type $op_prep.
  77See git-${cmd}(1) for details
  78
  79    $example
  80
  81If you wish to set tracking information for this branch you can do so with:
  82
  83    git branch --set-upstream ${branch_name#refs/heads/} $remote/<branch>
  84"
  85        fi
  86        exit 1
  87}