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|
#!/bin/sh
# git-ls-remote could be called from outside a git managed repository;
# this would fail in that case and would issue an error message.
GIT_DIR=$(git-rev-parse --git-dir 2>/dev/null) || :;
get_data_source () {
case "$1" in
*/*)
# Not so fast. This could be the partial URL shorthand...
token=$(expr "z$1" : 'z\([^/]*\)/')
remainder=$(expr "z$1" : 'z[^/]*/\(.*\)')
if test -f "$GIT_DIR/branches/$token"
then
echo branches-partial
else
echo ''
fi
;;
*)
if test -f "$GIT_DIR/remotes/$1"
then
echo remotes
elif test -f "$GIT_DIR/branches/$1"
then
echo branches
else
echo ''
fi ;;
esac
}
get_remote_url () {
data_source=$(get_data_source "$1")
case "$data_source" in
'')
echo "$1" ;;
remotes)
sed -ne '/^URL: */{
s///p
q
}' "$GIT_DIR/remotes/$1" ;;
branches)
sed -e 's/#.*//' "$GIT_DIR/branches/$1" ;;
branches-partial)
token=$(expr "z$1" : 'z\([^/]*\)/')
remainder=$(expr "z$1" : 'z[^/]*/\(.*\)')
url=$(sed -e 's/#.*//' "$GIT_DIR/branches/$token")
echo "$url/$remainder"
;;
*)
die "internal error: get-remote-url $1" ;;
esac
}
get_remote_default_refs_for_push () {
data_source=$(get_data_source "$1")
case "$data_source" in
'' | branches | branches-partial)
;; # no default push mapping, just send matching refs.
remotes)
sed -ne '/^Push: */{
s///p
}' "$GIT_DIR/remotes/$1" ;;
*)
die "internal error: get-remote-default-ref-for-push $1" ;;
esac
}
# Subroutine to canonicalize remote:local notation.
canon_refs_list_for_fetch () {
# Leave only the first one alone; add prefix . to the rest
# to prevent the secondary branches to be merged by default.
dot_prefix=
for ref
do
force=
case "$ref" in
+*)
ref=$(expr "z$ref" : 'z+\(.*\)')
force=+
;;
esac
expr "z$ref" : 'z.*:' >/dev/null || ref="${ref}:"
remote=$(expr "z$ref" : 'z\([^:]*\):')
local=$(expr "z$ref" : 'z[^:]*:\(.*\)')
case "$remote" in
'') remote=HEAD ;;
refs/heads/* | refs/tags/* | refs/remotes/*) ;;
heads/* | tags/* | remotes/* ) remote="refs/$remote" ;;
*) remote="refs/heads/$remote" ;;
esac
case "$local" in
'') local= ;;
refs/heads/* | refs/tags/* | refs/remotes/*) ;;
heads/* | tags/* | remotes/* ) local="refs/$local" ;;
*) local="refs/heads/$local" ;;
esac
if local_ref_name=$(expr "z$local" : 'zrefs/\(.*\)')
then
git-check-ref-format "$local_ref_name" ||
die "* refusing to create funny ref '$local_ref_name' locally"
fi
echo "${dot_prefix}${force}${remote}:${local}"
dot_prefix=.
done
}
# Returns list of src: (no store), or src:dst (store)
get_remote_default_refs_for_fetch () {
data_source=$(get_data_source "$1")
case "$data_source" in
'' | branches-partial)
echo "HEAD:" ;;
branches)
remote_branch=$(sed -ne '/#/s/.*#//p' "$GIT_DIR/branches/$1")
case "$remote_branch" in '') remote_branch=master ;; esac
echo "refs/heads/${remote_branch}:refs/heads/$1"
;;
remotes)
# This prefixes the second and later default refspecs
# with a '.', to signal git-fetch to mark them
# not-for-merge.
canon_refs_list_for_fetch $(sed -ne '/^Pull: */{
s///p
}' "$GIT_DIR/remotes/$1")
;;
*)
die "internal error: get-remote-default-ref-for-push $1" ;;
esac
}
get_remote_refs_for_push () {
case "$#" in
0) die "internal error: get-remote-refs-for-push." ;;
1) get_remote_default_refs_for_push "$@" ;;
*) shift; echo "$@" ;;
esac
}
get_remote_refs_for_fetch () {
case "$#" in
0)
die "internal error: get-remote-refs-for-fetch." ;;
1)
get_remote_default_refs_for_fetch "$@" ;;
*)
shift
tag_just_seen=
for ref
do
if test "$tag_just_seen"
then
echo "refs/tags/${ref}:refs/tags/${ref}"
tag_just_seen=
continue
else
case "$ref" in
tag)
tag_just_seen=yes
continue
;;
esac
fi
canon_refs_list_for_fetch "$ref"
done
;;
esac
}
resolve_alternates () {
# original URL (xxx.git)
top_=`expr "z$1" : 'z\([^:]*:/*[^/]*\)/'`
while read path
do
case "$path" in
\#* | '')
continue ;;
/*)
echo "$top_$path/" ;;
../*)
# relative -- ugly but seems to work.
echo "$1/objects/$path/" ;;
*)
# exit code may not be caught by the reader.
echo "bad alternate: $path"
exit 1 ;;
esac
done
}
|
