| #!/bin/sh |
| # |
| # Copyright (c) 2005, Linus Torvalds |
| # Copyright (c) 2005, Junio C Hamano |
| # |
| # Clone a repository into a different directory that does not yet exist. |
| |
| usage() { |
| echo >&2 "* git clone [-l] <repo> <dir>" |
| exit 1 |
| } |
| |
| get_repo_base() { |
| (cd "$1" && (cd .git ; pwd)) 2> /dev/null |
| } |
| |
| quiet= |
| use_local=no |
| while |
| case "$#,$1" in |
| 0,*) break ;; |
| *,-l|*,--l|*,--lo|*,--loc|*,--loca|*,--local) use_local=yes ;; |
| *,-q|*,--quiet) quiet=-q ;; |
| *,-*) usage ;; |
| *) break ;; |
| esac |
| do |
| shift |
| done |
| |
| # Turn the source into an absolute path if |
| # it is local |
| repo="$1" |
| local=no |
| if base=$(get_repo_base "$repo"); then |
| repo="$base" |
| local=yes |
| fi |
| |
| dir="$2" |
| mkdir "$dir" && |
| D=$( |
| (cd "$dir" && git-init-db && pwd) |
| ) && |
| test -d "$D" || usage |
| |
| # We do local magic only when the user tells us to. |
| case "$local,$use_local" in |
| yes,yes) |
| ( cd "$repo/objects" ) || { |
| echo >&2 "-l flag seen but $repo is not local." |
| exit 1 |
| } |
| |
| # See if we can hardlink and drop "l" if not. |
| sample_file=$(cd "$repo" && \ |
| find objects -type f -print | sed -e 1q) |
| |
| # objects directory should not be empty since we are cloning! |
| test -f "$repo/$sample_file" || exit |
| |
| l= |
| if ln "$repo/$sample_file" "$D/.git/objects/sample" 2>/dev/null |
| then |
| l=l |
| fi && |
| rm -f "$D/.git/objects/sample" && |
| cd "$repo" && |
| find objects -type f -print | |
| cpio -puamd$l "$D/.git/" || exit 1 |
| |
| # Make a duplicate of refs and HEAD pointer |
| HEAD= |
| if test -f "$repo/HEAD" |
| then |
| HEAD=HEAD |
| fi |
| tar Ccf "$repo" - refs $HEAD | tar Cxf "$D/.git" - || exit 1 |
| exit 0 |
| ;; |
| esac |
| |
| case "$repo" in |
| rsync://*) |
| rsync $quiet -avz --ignore-existing "$repo/objects/" "$D/.git/objects/" && |
| rsync $quiet -avz --ignore-existing "$repo/refs/" "$D/.git/refs/" |
| ;; |
| http://*) |
| echo "Somebody should add http fetch" >&2 |
| exit 1 |
| ;; |
| *) |
| cd "$D" && git-clone-pack $quiet "$repo" |
| ;; |
| esac |