projects / thirdparty / git.git / blame
| Commit | Line | Data |
|---|---|---|
| 3f571e0b | 1 | #!/bin/sh |
| e95ab1ed JH |
2 | # |
| 3 | # Copyright (c) 2005, Linus Torvalds | |
| 4 | # Copyright (c) 2005, Junio C Hamano | |
| 5 | # | |
| 6 | # Clone a repository into a different directory that does not yet exist. | |
| 7 | ||
| 8 | usage() { | |
| 9 | echo >&2 "* git clone [-l] <repo> <dir>" | |
| 10 | exit 1 | |
| 11 | } | |
| 12 | ||
| ba375acf LT |
13 | get_repo_base() { |
| 14 | (cd "$1" && (cd .git ; pwd)) 2> /dev/null | |
| 15 | } | |
| 16 | ||
| e95ab1ed JH |
17 | use_local=no |
| 18 | while | |
| 19 | case "$#,$1" in | |
| 20 | 0,*) break ;; | |
| 21 | *,-l|*,--l|*,--lo|*,--loc|*,--loca|*,--local) use_local=yes ;; | |
| 22 | *,-*) usage ;; | |
| 23 | *) break ;; | |
| 24 | esac | |
| 25 | do | |
| 26 | shift | |
| 27 | done | |
| 28 | ||
| ba375acf LT |
29 | # Turn the source into an absolute path if |
| 30 | # it is local | |
| 3f571e0b | 31 | repo="$1" |
| ba375acf LT |
32 | local=no |
| 33 | if base=$(get_repo_base "$repo"); then | |
| 34 | repo="$base" | |
| 35 | local=yes | |
| 36 | fi | |
| 37 | ||
| 3f571e0b | 38 | dir="$2" |
| e95ab1ed JH |
39 | mkdir "$dir" && |
| 40 | D=$( | |
| 41 | (cd "$dir" && git-init-db && pwd) | |
| 42 | ) && | |
| 43 | test -d "$D" || usage | |
| 44 | ||
| 45 | # We do local magic only when the user tells us to. | |
| ba375acf LT |
46 | case "$local,$use_local" in |
| 47 | yes,yes) | |
| e95ab1ed JH |
48 | ( cd "$repo/objects" ) || { |
| 49 | repo="$repo/.git" | |
| 50 | ( cd "$repo/objects" ) || { | |
| 51 | echo >&2 "-l flag seen but $repo is not local." | |
| 52 | exit 1 | |
| 53 | } | |
| 54 | } | |
| 55 | ||
| 56 | # See if we can hardlink and drop "l" if not. | |
| 57 | sample_file=$(cd "$repo" && \ | |
| 58 | find objects -type f -print | sed -e 1q) | |
| 59 | ||
| 60 | # objects directory should not be empty since we are cloning! | |
| 61 | test -f "$repo/$sample_file" || exit | |
| 62 | ||
| 63 | l= | |
| 64 | if ln "$repo/$sample_file" "$D/.git/objects/sample" 2>/dev/null | |
| 65 | then | |
| 66 | l=l | |
| 67 | fi && | |
| 68 | rm -f "$D/.git/objects/sample" && | |
| 69 | cp -r$l "$repo/objects" "$D/.git/" || exit 1 | |
| 70 | ||
| 71 | # Make a duplicate of refs and HEAD pointer | |
| 72 | HEAD= | |
| 73 | if test -f "$repo/HEAD" | |
| 74 | then | |
| 75 | HEAD=HEAD | |
| 76 | fi | |
| 77 | tar Ccf "$repo" - refs $HEAD | tar Cxf "$D/.git" - || exit 1 | |
| 78 | exit 0 | |
| 79 | ;; | |
| 80 | esac | |
| 81 | ||
| 82 | cd "$D" && git clone-pack "$repo" |