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Commit | Line | Data |
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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 | ||
13 | use_local=no | |
14 | while | |
15 | case "$#,$1" in | |
16 | 0,*) break ;; | |
17 | *,-l|*,--l|*,--lo|*,--loc|*,--loca|*,--local) use_local=yes ;; | |
18 | *,-*) usage ;; | |
19 | *) break ;; | |
20 | esac | |
21 | do | |
22 | shift | |
23 | done | |
24 | ||
3f571e0b LT |
25 | repo="$1" |
26 | dir="$2" | |
e95ab1ed JH |
27 | mkdir "$dir" && |
28 | D=$( | |
29 | (cd "$dir" && git-init-db && pwd) | |
30 | ) && | |
31 | test -d "$D" || usage | |
32 | ||
33 | # We do local magic only when the user tells us to. | |
34 | case "$use_local" in | |
35 | yes) | |
36 | ( cd "$repo/objects" ) || { | |
37 | repo="$repo/.git" | |
38 | ( cd "$repo/objects" ) || { | |
39 | echo >&2 "-l flag seen but $repo is not local." | |
40 | exit 1 | |
41 | } | |
42 | } | |
43 | ||
44 | # See if we can hardlink and drop "l" if not. | |
45 | sample_file=$(cd "$repo" && \ | |
46 | find objects -type f -print | sed -e 1q) | |
47 | ||
48 | # objects directory should not be empty since we are cloning! | |
49 | test -f "$repo/$sample_file" || exit | |
50 | ||
51 | l= | |
52 | if ln "$repo/$sample_file" "$D/.git/objects/sample" 2>/dev/null | |
53 | then | |
54 | l=l | |
55 | fi && | |
56 | rm -f "$D/.git/objects/sample" && | |
57 | cp -r$l "$repo/objects" "$D/.git/" || exit 1 | |
58 | ||
59 | # Make a duplicate of refs and HEAD pointer | |
60 | HEAD= | |
61 | if test -f "$repo/HEAD" | |
62 | then | |
63 | HEAD=HEAD | |
64 | fi | |
65 | tar Ccf "$repo" - refs $HEAD | tar Cxf "$D/.git" - || exit 1 | |
66 | exit 0 | |
67 | ;; | |
68 | esac | |
69 | ||
70 | cd "$D" && git clone-pack "$repo" |