git-parse-remote.sh

   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.
   5 GIT_DIR=$(git rev-parse -q --git-dir) || :;
   6
   7 get_default_remote () {
   8         curr_branch=$(git symbolic-ref -q HEAD | sed -e 's|^refs/heads/||')
   9         origin=$(git config --get "branch.$curr_branch.remote")
  10         echo ${origin:-origin}
  11 }
  12
  13 get_remote_merge_branch () {
  14         case "$#" in
  15         0|1)
  16             origin="$1"
  17             default=$(get_default_remote)
  18             test -z "$origin" && origin=$default
  19             curr_branch=$(git symbolic-ref -q HEAD) &&
  20             [ "$origin" = "$default" ] &&
  21             echo $(git for-each-ref --format='%(upstream)' $curr_branch)
  22             ;;
  23         *)
  24             repo=$1
  25             shift
  26             ref=$1
  27             # FIXME: It should return the tracking branch
  28             #        Currently only works with the default mapping
  29             case "$ref" in
  30             +*)
  31                 ref=$(expr "z$ref" : 'z+\(.*\)')
  32                 ;;
  33             esac
  34             expr "z$ref" : 'z.*:' >/dev/null || ref="${ref}:"
  35             remote=$(expr "z$ref" : 'z\([^:]*\):')
  36             case "$remote" in
  37             '' | HEAD ) remote=HEAD ;;
  38             heads/*) remote=${remote#heads/} ;;
  39             refs/heads/*) remote=${remote#refs/heads/} ;;
  40             refs/* | tags/* | remotes/* ) remote=
  41             esac
  42             [ -n "$remote" ] && case "$repo" in
  43                 .)
  44                     echo "refs/heads/$remote"
  45                     ;;
  46                 *)
  47                     echo "refs/remotes/$repo/$remote"
  48                     ;;
  49             esac
  50         esac
  51 }
  52
  53 error_on_missing_default_upstream () {
  54         cmd="$1"
  55         op_type="$2"
  56         op_prep="$3"
  57         example="$4"
  58         branch_name=$(git symbolic-ref -q HEAD)
  59         if test -z "$branch_name"
  60         then
  61                 echo "You are not currently on a branch, so I cannot use any
  62 'branch.<branchname>.merge' in your configuration file.
  63 Please specify which branch you want to $op_type $op_prep on the command
  64 line and try again (e.g. '$example').
  65 See git-${cmd}(1) for details."
  66         else
  67                 echo "You asked me to $cmd without telling me which branch you
  68 want to $op_type $op_prep, and 'branch.${branch_name#refs/heads/}.merge' in
  69 your configuration file does not tell me, either. Please
  70 specify which branch you want to use on the command line and
  71 try again (e.g. '$example').
  72 See git-${cmd}(1) for details.
  73
  74 If you often $op_type $op_prep the same branch, you may want to
  75 use something like the following in your configuration file:
  76     [branch \"${branch_name#refs/heads/}\"]
  77     remote = <nickname>
  78     merge = <remote-ref>"
  79                 test rebase = "$op_type" &&
  80                 echo "    rebase = true"
  81                 echo "
  82     [remote \"<nickname>\"]
  83     url = <url>
  84     fetch = <refspec>
  85
  86 See git-config(1) for details."
  87         fi
  88         exit 1
  89 }