1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
|
#!/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.
# See git-sh-setup why.
unset CDPATH
usage() {
echo >&2 "* git clone [-l [-s]] [-q] [-u <upload-pack>] [-n] <repo> <dir>"
exit 1
}
get_repo_base() {
(cd "$1" && (cd .git ; pwd)) 2> /dev/null
}
if [ -n "$GIT_SSL_NO_VERIFY" ]; then
curl_extra_args="-k"
fi
http_fetch () {
# $1 = Remote, $2 = Local
curl -nsf $curl_extra_args "$1" >"$2"
}
clone_dumb_http () {
# $1 - remote, $2 - local
cd "$2" &&
clone_tmp='.git/clone-tmp' &&
mkdir -p "$clone_tmp" || exit 1
http_fetch "$1/info/refs" "$clone_tmp/refs" &&
http_fetch "$1/objects/info/packs" "$clone_tmp/packs" || {
echo >&2 "Cannot get remote repository information.
Perhaps git-update-server-info needs to be run there?"
exit 1;
}
while read type name
do
case "$type" in
P) ;;
*) continue ;;
esac &&
idx=`expr "$name" : '\(.*\)\.pack'`.idx
http_fetch "$1/objects/pack/$name" ".git/objects/pack/$name" &&
http_fetch "$1/objects/pack/$idx" ".git/objects/pack/$idx" &&
git-verify-pack ".git/objects/pack/$idx" || exit 1
done <"$clone_tmp/packs"
while read sha1 refname
do
name=`expr "$refname" : 'refs/\(.*\)'` &&
case "$name" in
*^*) ;;
*)
git-http-fetch -v -a -w "$name" "$name" "$1/" || exit 1
esac
done <"$clone_tmp/refs"
rm -fr "$clone_tmp"
}
quiet=
use_local=no
local_shared=no
no_checkout=
upload_pack=
while
case "$#,$1" in
0,*) break ;;
*,-n) no_checkout=yes ;;
*,-l|*,--l|*,--lo|*,--loc|*,--loca|*,--local) use_local=yes ;;
*,-s|*,--s|*,--sh|*,--sha|*,--shar|*,--share|*,--shared)
local_shared=yes ;;
*,-q|*,--quiet) quiet=-q ;;
1,-u|1,--upload-pack) usage ;;
*,-u|*,--upload-pack)
shift
upload_pack="--exec=$1" ;;
*,-*) 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 $repo is not local."
exit 1
}
case "$local_shared" in
no)
# 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 "$repo" &&
find objects -depth -print | cpio -puamd$l "$D/.git/" || exit 1
;;
yes)
mkdir -p "$D/.git/objects/info"
{
test -f "$repo/objects/info/alternates" &&
cat "$repo/objects/info/alternates";
echo "$repo/objects"
} >"$D/.git/objects/info/alternates"
;;
esac
# Make a duplicate of refs and HEAD pointer
HEAD=
if test -f "$repo/HEAD"
then
HEAD=HEAD
fi
(cd "$repo" && tar cf - refs $HEAD) |
(cd "$D/.git" && tar xf -) || exit 1
;;
*)
case "$repo" in
rsync://*)
rsync $quiet -av --ignore-existing \
--exclude info "$repo/objects/" "$D/.git/objects/" &&
rsync $quiet -av --ignore-existing \
--exclude info "$repo/refs/" "$D/.git/refs/" || exit
# Look at objects/info/alternates for rsync -- http will
# support it natively and git native ones will do it on the
# remote end. Not having that file is not a crime.
rsync -q "$repo/objects/info/alternates" \
"$D/.git/TMP_ALT" 2>/dev/null ||
rm -f "$D/.git/TMP_ALT"
if test -f "$D/.git/TMP_ALT"
then
( cd $D &&
. git-parse-remote &&
resolve_alternates "$repo" <"./.git/TMP_ALT" ) |
while read alt
do
case "$alt" in 'bad alternate: '*) die "$alt";; esac
case "$quiet" in
'') echo >&2 "Getting alternate: $alt" ;;
esac
rsync $quiet -av --ignore-existing \
--exclude info "$alt" "$D/.git/objects" || exit
done
rm -f "$D/.git/TMP_ALT"
fi
;;
http://*)
clone_dumb_http "$repo" "$D"
;;
*)
cd "$D" && case "$upload_pack" in
'') git-clone-pack $quiet "$repo" ;;
*) git-clone-pack $quiet "$upload_pack" "$repo" ;;
esac
;;
esac
;;
esac
cd $D || exit
if test -f ".git/HEAD"
then
head_points_at=`git-symbolic-ref HEAD`
case "$head_points_at" in
refs/heads/*)
head_points_at=`expr "$head_points_at" : 'refs/heads/\(.*\)'`
mkdir -p .git/remotes &&
echo >.git/remotes/origin \
"URL: $repo
Pull: $head_points_at:origin" &&
cp ".git/refs/heads/$head_points_at" .git/refs/heads/origin &&
find .git/refs/heads -type f -print |
while read ref
do
head=`expr "$ref" : '.git/refs/heads/\(.*\)'` &&
test "$head_points_at" = "$head" ||
test "origin" = "$head" ||
echo "Pull: ${head}:${head}"
done >>.git/remotes/origin
esac
case "$no_checkout" in
'')
git checkout
esac
fi
|
