1 #!/bin/sh
2 #
3 # Copyright (c) 2021 Stefan Sperling <stsp@openbsd.org>
4 #
5 # Permission to use, copy, modify, and distribute this software for any
6 # purpose with or without fee is hereby granted, provided that the above
7 # copyright notice and this permission notice appear in all copies.
8 #
9 # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 
17 . ./common.sh
18 
19 test_cleanup_unreferenced_loose_objects() {
20 	local testroot=`test_init cleanup_unreferenced_loose_objects`
21 
22 	nloose0=`gotadmin info -r $testroot/repo | grep '^loose objects:' | \
23 		cut -d ':' -f 2 | tr -d ' '`
24 	if [ "$nloose0" != "8" ]; then
25 		echo "unexpected number of loose objects: $nloose0" >&2
26 		test_done "$testroot" "1"
27 		return 1
28 	fi
29 
30 	# create a branch with some changes
31 	got branch -r $testroot/repo newbranch >/dev/null
32 
33 	got checkout -b newbranch $testroot/repo $testroot/wt >/dev/null
34 	ret="$?"
35 	if [ "$ret" != "0" ]; then
36 		echo "got checkout command failed unexpectedly"
37 		test_done "$testroot" "$ret"
38 		return 1
39 	fi
40 
41 	echo 'foo' > $testroot/wt/foo
42 	(cd $testroot/wt && got add foo > /dev/null)
43 	echo 'modified alpha' > $testroot/wt/alpha
44 	(cd $testroot/wt && got commit -m 'newbranch commit' > /dev/null)
45 	local commit1=`git_show_branch_head $testroot/repo newbranch`
46 	local tree1=`got cat -r $testroot/repo $newbranch_commit | \
47 		grep ^tree | cut -d ' ' -f2`
48 	local alpha1=`got tree -r $testroot/repo -i -c $commit1 | \
49 		grep "[0-9a-f] alpha$" | cut -d' ' -f 1`
50 	local foo1=`got tree -r $testroot/repo -i -c $commit1 | \
51 		grep "[0-9a-f] foo$" | cut -d' ' -f 1`
52 
53 	nloose1=`gotadmin info -r $testroot/repo | grep '^loose objects:' | \
54 		cut -d ':' -f 2 | tr -d ' '`
55 	if [ "$nloose1" != "12" ]; then
56 		echo "unexpected number of loose objects: $nloose1" >&2
57 		test_done "$testroot" "1"
58 		return 1
59 	fi
60 
61 	# delete the branch
62 	got branch -r $testroot/repo -d newbranch >/dev/null
63 
64 	# remove worktree's base commit reference, which points at the branch
65 	wt_uuid=`(cd $testroot/wt && got info | grep 'UUID:' | \
66 		cut -d ':' -f 2 | tr -d ' ')`
67 	got ref -r $testroot/repo -d "refs/got/worktree/base-$wt_uuid"
68 
69 	# cleanup -n should not remove any objects
70 	ls -1 -R $testroot/repo/.git/objects > $testroot/objects-before
71 	gotadmin cleanup -n -q -r $testroot/repo > $testroot/stdout
72 	echo -n > $testroot/stdout.expected
73 	cmp -s $testroot/stdout.expected $testroot/stdout
74 	ret="$?"
75 	if [ "$ret" != "0" ]; then
76 		diff -u $testroot/stdout.expected $testroot/stdout
77 		test_done "$testroot" "$ret"
78 		return 1
79 	fi
80 	ls -1 -R $testroot/repo/.git/objects > $testroot/objects-after
81 	cmp -s $testroot/objects-before $testroot/objects-after
82 	ret="$?"
83 	if [ "$ret" != "0" ]; then
84 		diff -u $testroot/objects-before $testroot/objects-after
85 		test_done "$testroot" "$ret"
86 		return 1
87 	fi
88 
89 	# cleanup should remove loose objects that belonged to the branch
90 	gotadmin cleanup -q -r $testroot/repo > $testroot/stdout
91 	ret="$?"
92 	if [ "$ret" != "0" ]; then
93 		echo "gotadmin cleanup failed unexpectedly" >&2
94 		test_done "$testroot" "$ret"
95 		return 1
96 	fi
97 	echo -n > $testroot/stdout.expected
98 	cmp -s $testroot/stdout.expected $testroot/stdout
99 	ret="$?"
100 	if [ "$ret" != "0" ]; then
101 		diff -u $testroot/stdout.expected $testroot/stdout
102 		test_done "$testroot" "$ret"
103 		return 1
104 	fi
105 
106 	nloose2=`gotadmin info -r $testroot/repo | grep '^loose objects:' | \
107 		cut -d ':' -f 2 | tr -d ' '`
108 	if [ "$nloose2" != "$nloose0" ]; then
109 		echo "unexpected number of loose objects: $nloose2" >&2
110 		test_done "$testroot" "1"
111 		return 1
112 	fi
113 
114 	for id in $commit1 $tree1 $alpha1 $foo1; do
115 		path=`get_loose_object_path $testroot/repo $id`
116 		if [ -e "$path" ]; then
117 			echo "loose object $path was not purged" >&2
118 			ret=1
119 			break
120 		fi
121 	done
122 
123 	test_done "$testroot" "$ret"
124 }
125 
126 test_cleanup_redundant_loose_objects() {
127 	local testroot=`test_init cleanup_redundant_loose_objects`
128 
129 	# tags should also be packed
130 	got tag -r $testroot/repo -m 1.0 1.0 >/dev/null
131 
132 	nloose0=`gotadmin info -r $testroot/repo | grep '^loose objects:' | \
133 		cut -d ':' -f 2 | tr -d ' '`
134 	if [ "$nloose0" != "9" ]; then
135 		echo "unexpected number of loose objects: $nloose0" >&2
136 		test_done "$testroot" "1"
137 		return 1
138 	fi
139 
140 	# no pack files should exist yet
141 	ls $testroot/repo/.git/objects/pack/ > $testroot/stdout
142 	ret="$?"
143 	if [ "$ret" != "0" ]; then
144 		test_done "$testroot" "$ret"
145 		return 1
146 	fi
147 	echo -n > $testroot/stdout.expected
148 	cmp -s $testroot/stdout.expected $testroot/stdout
149 	ret="$?"
150 	if [ "$ret" != "0" ]; then
151 		diff -u $testroot/stdout.expected $testroot/stdout
152 		test_done "$testroot" "$ret"
153 		return 1
154 	fi
155 
156 	gotadmin pack -r $testroot/repo > /dev/null
157 
158 	npacked0=`gotadmin info -r $testroot/repo | grep '^packed objects:' | \
159 		cut -d ':' -f 2 | tr -d ' '`
160 	if [ "$npacked0" != "9" ]; then
161 		echo "unexpected number of loose objects: $npacked0" >&2
162 		test_done "$testroot" "1"
163 		return 1
164 	fi
165 
166 	# cleanup -n should not remove any objects
167 	ls -1 -R $testroot/repo/.git/objects > $testroot/objects-before
168 	gotadmin cleanup -n -q -r $testroot/repo > $testroot/stdout
169 	echo -n > $testroot/stdout.expected
170 	cmp -s $testroot/stdout.expected $testroot/stdout
171 	ret="$?"
172 	if [ "$ret" != "0" ]; then
173 		diff -u $testroot/stdout.expected $testroot/stdout
174 		test_done "$testroot" "$ret"
175 		return 1
176 	fi
177 	ls -1 -R $testroot/repo/.git/objects > $testroot/objects-after
178 	cmp -s $testroot/objects-before $testroot/objects-after
179 	ret="$?"
180 	if [ "$ret" != "0" ]; then
181 		diff -u $testroot/objects-before $testroot/objects-after
182 		test_done "$testroot" "$ret"
183 		return 1
184 	fi
185 
186 	nloose1=`gotadmin info -r $testroot/repo | grep '^loose objects:' | \
187 		cut -d ':' -f 2 | tr -d ' '`
188 	if [ "$nloose1" != "$nloose0" ]; then
189 		echo "unexpected number of loose objects: $nloose1" >&2
190 		test_done "$testroot" "1"
191 		return 1
192 	fi
193 
194 	# cleanup should remove all loose objects
195 	gotadmin cleanup -q -r $testroot/repo > $testroot/stdout
196 	ret="$?"
197 	if [ "$ret" != "0" ]; then
198 		echo "gotadmin cleanup failed unexpectedly" >&2
199 		test_done "$testroot" "$ret"
200 		return 1
201 	fi
202 	echo -n > $testroot/stdout.expected
203 	cmp -s $testroot/stdout.expected $testroot/stdout
204 	ret="$?"
205 	if [ "$ret" != "0" ]; then
206 		diff -u $testroot/stdout.expected $testroot/stdout
207 		test_done "$testroot" "$ret"
208 		return 1
209 	fi
210 
211 	nloose2=`gotadmin info -r $testroot/repo | grep '^loose objects:' | \
212 		cut -d ':' -f 2 | tr -d ' '`
213 	if [ "$nloose2" != "0" ]; then
214 		echo "unexpected number of loose objects: $nloose2" >&2
215 		test_done "$testroot" "1"
216 		return 1
217 	fi
218 
219 	for d in $testroot/repo/.git/objects/[0-9a-f][0-9a-f]; do
220 		id0=`basename $d`
221 		ret=0
222 		for e in `ls $d`; do
223 			obj_id=${id0}${e}
224 			echo "loose object $obj_id was not purged" >&2
225 			ret=1
226 			break
227 		done
228 		if [ "$ret" == "1" ]; then
229 			break
230 		fi
231 	done
232 
233 	test_done "$testroot" "$ret"
234 }
235 
236 test_parseargs "$@"
237 run_test test_cleanup_unreferenced_loose_objects
238 run_test test_cleanup_redundant_loose_objects