t7900-subtree.sh: use the $( ... ) construct for command substitution
[git] / git-remote-testgit.sh
1 #!/bin/sh
2 # Copyright (c) 2012 Felipe Contreras
3
4 alias=$1
5 url=$2
6
7 dir="$GIT_DIR/testgit/$alias"
8 prefix="refs/testgit/$alias"
9
10 default_refspec="refs/heads/*:${prefix}/heads/*"
11
12 refspec="${GIT_REMOTE_TESTGIT_REFSPEC-$default_refspec}"
13
14 test -z "$refspec" && prefix="refs"
15
16 export GIT_DIR="$url/.git"
17
18 force=
19
20 mkdir -p "$dir"
21
22 if test -z "$GIT_REMOTE_TESTGIT_NO_MARKS"
23 then
24         gitmarks="$dir/git.marks"
25         testgitmarks="$dir/testgit.marks"
26         test -e "$gitmarks" || >"$gitmarks"
27         test -e "$testgitmarks" || >"$testgitmarks"
28 fi
29
30 while read line
31 do
32         case $line in
33         capabilities)
34                 echo 'import'
35                 echo 'export'
36                 test -n "$refspec" && echo "refspec $refspec"
37                 if test -n "$gitmarks"
38                 then
39                         echo "*import-marks $gitmarks"
40                         echo "*export-marks $gitmarks"
41                 fi
42                 test -n "$GIT_REMOTE_TESTGIT_SIGNED_TAGS" && echo "signed-tags"
43                 test -n "$GIT_REMOTE_TESTGIT_NO_PRIVATE_UPDATE" && echo "no-private-update"
44                 echo 'option'
45                 echo
46                 ;;
47         list)
48                 git for-each-ref --format='? %(refname)' 'refs/heads/'
49                 head=$(git symbolic-ref HEAD)
50                 echo "@$head HEAD"
51                 echo
52                 ;;
53         import*)
54                 # read all import lines
55                 while true
56                 do
57                         ref="${line#* }"
58                         refs="$refs $ref"
59                         read line
60                         test "${line%% *}" != "import" && break
61                 done
62
63                 if test -n "$gitmarks"
64                 then
65                         echo "feature import-marks=$gitmarks"
66                         echo "feature export-marks=$gitmarks"
67                 fi
68
69                 if test -n "$GIT_REMOTE_TESTGIT_FAILURE"
70                 then
71                         echo "feature done"
72                         exit 1
73                 fi
74
75                 echo "feature done"
76                 git fast-export \
77                         ${testgitmarks:+"--import-marks=$testgitmarks"} \
78                         ${testgitmarks:+"--export-marks=$testgitmarks"} \
79                         $refs |
80                 sed -e "s#refs/heads/#${prefix}/heads/#g"
81                 echo "done"
82                 ;;
83         export)
84                 if test -n "$GIT_REMOTE_TESTGIT_FAILURE"
85                 then
86                         # consume input so fast-export doesn't get SIGPIPE;
87                         # git would also notice that case, but we want
88                         # to make sure we are exercising the later
89                         # error checks
90                         while read line; do
91                                 test "done" = "$line" && break
92                         done
93                         exit 1
94                 fi
95
96                 before=$(git for-each-ref --format=' %(refname) %(objectname) ')
97
98                 git fast-import \
99                         ${force:+--force} \
100                         ${testgitmarks:+"--import-marks=$testgitmarks"} \
101                         ${testgitmarks:+"--export-marks=$testgitmarks"} \
102                         --quiet
103
104                 # figure out which refs were updated
105                 git for-each-ref --format='%(refname) %(objectname)' |
106                 while read ref a
107                 do
108                         case "$before" in
109                         *" $ref $a "*)
110                                 continue ;;     # unchanged
111                         esac
112                         if test -z "$GIT_REMOTE_TESTGIT_PUSH_ERROR"
113                         then
114                                 echo "ok $ref"
115                         else
116                                 echo "error $ref $GIT_REMOTE_TESTGIT_PUSH_ERROR"
117                         fi
118                 done
119
120                 echo
121                 ;;
122         option\ *)
123                 read cmd opt val <<-EOF
124                 $line
125                 EOF
126                 case $opt in
127                 force)
128                         test $val = "true" && force="true" || force=
129                         echo "ok"
130                         ;;
131                 *)
132                         echo "unsupported"
133                         ;;
134                 esac
135                 ;;
136         '')
137                 exit
138                 ;;
139         esac
140 done