archive: handle commits with an empty tree
[git/jnareb-git.git] / git-parse-remote.sh
blob0e87e0915ee16e36385aa4182b3a4271d1308641
1 #!/bin/sh
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=$(git rev-parse -q --git-dir) || :;
7 get_default_remote () {
8 curr_branch=$(git symbolic-ref -q HEAD)
9 curr_branch="${curr_branch#refs/heads/}"
10 origin=$(git config --get "branch.$curr_branch.remote")
11 echo ${origin:-origin}
14 get_remote_merge_branch () {
15 case "$#" 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)
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+\(.*\)')
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 "$repo" in
45 echo "refs/heads/$remote"
48 echo "refs/remotes/$repo/$remote"
50 esac
51 esac
54 error_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)
67 if test -z "$branch_name"
68 then
69 echo "You are not currently on a branch. Please specify which
70 branch you want to $op_type $op_prep. See git-${cmd}(1) for details.
72 $example
74 else
75 echo "There is no tracking information for the current branch.
76 Please specify which branch you want to $op_type $op_prep.
77 See git-${cmd}(1) for details
79 $example
81 If you wish to set tracking information for this branch you can do so with:
83 git branch --set-upstream-to=$remote/<branch> ${branch_name#refs/heads/}
86 exit 1