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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 | ||
ba375acf LT |
13 | get_repo_base() { |
14 | (cd "$1" && (cd .git ; pwd)) 2> /dev/null | |
15 | } | |
16 | ||
167a4a33 | 17 | quiet= |
e95ab1ed JH |
18 | use_local=no |
19 | while | |
20 | case "$#,$1" in | |
21 | 0,*) break ;; | |
22 | *,-l|*,--l|*,--lo|*,--loc|*,--loca|*,--local) use_local=yes ;; | |
167a4a33 | 23 | *,-q|*,--quiet) quiet=-q ;; |
e95ab1ed JH |
24 | *,-*) usage ;; |
25 | *) break ;; | |
26 | esac | |
27 | do | |
28 | shift | |
29 | done | |
30 | ||
ba375acf LT |
31 | # Turn the source into an absolute path if |
32 | # it is local | |
3f571e0b | 33 | repo="$1" |
ba375acf LT |
34 | local=no |
35 | if base=$(get_repo_base "$repo"); then | |
36 | repo="$base" | |
37 | local=yes | |
38 | fi | |
39 | ||
3f571e0b | 40 | dir="$2" |
e95ab1ed JH |
41 | mkdir "$dir" && |
42 | D=$( | |
43 | (cd "$dir" && git-init-db && pwd) | |
44 | ) && | |
45 | test -d "$D" || usage | |
46 | ||
47 | # We do local magic only when the user tells us to. | |
ba375acf LT |
48 | case "$local,$use_local" in |
49 | yes,yes) | |
e95ab1ed | 50 | ( cd "$repo/objects" ) || { |
ab6625e0 JH |
51 | echo >&2 "-l flag seen but $repo is not local." |
52 | exit 1 | |
e95ab1ed JH |
53 | } |
54 | ||
55 | # See if we can hardlink and drop "l" if not. | |
56 | sample_file=$(cd "$repo" && \ | |
57 | find objects -type f -print | sed -e 1q) | |
58 | ||
59 | # objects directory should not be empty since we are cloning! | |
60 | test -f "$repo/$sample_file" || exit | |
61 | ||
62 | l= | |
63 | if ln "$repo/$sample_file" "$D/.git/objects/sample" 2>/dev/null | |
64 | then | |
65 | l=l | |
66 | fi && | |
67 | rm -f "$D/.git/objects/sample" && | |
ab6625e0 JH |
68 | cd "$repo" && |
69 | find objects -type f -print | | |
70 | cpio -puamd$l "$D/.git/" || exit 1 | |
e95ab1ed JH |
71 | |
72 | # Make a duplicate of refs and HEAD pointer | |
73 | HEAD= | |
74 | if test -f "$repo/HEAD" | |
75 | then | |
76 | HEAD=HEAD | |
77 | fi | |
78 | tar Ccf "$repo" - refs $HEAD | tar Cxf "$D/.git" - || exit 1 | |
79 | exit 0 | |
80 | ;; | |
81 | esac | |
82 | ||
7558ef89 LT |
83 | case "$repo" in |
84 | rsync://*) | |
167a4a33 LT |
85 | rsync $quiet -avz --ignore-existing "$repo/objects/" "$D/.git/objects/" && |
86 | rsync $quiet -avz --ignore-existing "$repo/refs/" "$D/.git/refs/" | |
7558ef89 LT |
87 | ;; |
88 | http://*) | |
89 | echo "Somebody should add http fetch" >&2 | |
90 | exit 1 | |
91 | ;; | |
92 | *) | |
167a4a33 | 93 | cd "$D" && git-clone-pack $quiet "$repo" |
7558ef89 LT |
94 | ;; |
95 | esac |