Send patches - preferably formatted by git format-patch - to patches at archlinux32 dot org.
summaryrefslogtreecommitdiff
path: root/makechrootpkg
blob: b31a2aed060d15d99fb0f634d8829e53a1c15e63 (plain)
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
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
#!/bin/bash
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

FORCE="n"
RUN=""
MAKEPKG_ARGS="-sr"
REPACK=""
LAYER="rw"
WORKDIR=$PWD

update_first="0"
clean_first="0"
install_pkg=""
add_to_db=0

chrootdir=""

APPNAME=$(basename "${0}")

usage ()
{
    echo "usage ${APPNAME} [options] -r <chrootdir> [--] [makepkg args]"
    echo " Run this script in a PKGBUILD dir to build a package inside a"
    echo " clean chroot. All unrecognized arguments passed to this script"
    echo " will be passed to makepkg."
    echo ""
    echo " The chroot dir consists of the following directories:"
    echo " <chrootdir>/{root, rw, union} but only 'root' is required"
    echo " by default. The rest will be created as needed"
    echo ""
    echo "The chroot 'root' directory must be created via the following"
    echo "command:"
    echo "    mkarchroot <chrootdir>/root base base-devel sudo"
    echo ""
    echo "Default makepkg args: $MAKEPKG_ARGS"
    echo ""
    echo "Flags:"
    echo "-h         This help"
    echo "-c         Clean the chroot before building"
    echo "-u         Update the rw layer of the chroot before building"
    echo "           This is useful for rebuilds without dirtying the pristine"
    echo "           chroot"
    echo "-d         Add the package to a local db at /repo after building"
    echo "-r <dir>   The chroot shell to use"
    echo "-I <pkg>   Install a package into the rw layer of the chroot"
    echo "-l <layer> The directory to use as the rw layer of the union"
    echo "           Useful for maintain multiple layers. Default: rw"
    exit 1
}

while getopts 'hcudr:I:l:' arg; do
    case "${arg}" in
        h) usage ;;
        c) clean_first=1 ;;
        u) update_first=1 ;;
        d) add_to_db=1 ;;
        r) chrootdir="$OPTARG" ;;
        I) install_pkg="$OPTARG" ;;
        l) LAYER="$OPTARG" ;;
        *) MAKEPKG_ARGS="$MAKEPKG_ARGS -$arg $OPTARG" ;;
    esac
done

#Get rid of trailing / in chrootdir
[ "$chrootdir" != "/" ] && chrootdir=$(echo $chrootdir | sed 's#/$##')

# Pass all arguments after -- right to makepkg
MAKEPKG_ARGS="$MAKEPKG_ARGS ${*:$OPTIND}"

# See if -R was passed to makepkg
for arg in ${*:$OPTIND}; do
    if [ "$arg" = "-R" ]; then
        REPACK=1
        break;
    fi
done

if [ "$EUID" != "0" ]; then
    echo "This script must be run as root."
    exit 1
fi

if [ ! -f PKGBUILD ]; then
    echo "This must be run in a directory containing a PKGBUILD."
    exit 1
fi
source PKGBUILD

if [ ! -d "$chrootdir" ]; then
    echo "No chroot dir defined, or invalid path '$chrootdir'"
    exit 1
fi

if [ ! -d "$chrootdir/root" ]; then
    echo "Missing chroot dir root directory."
    echo "Try using: mkarchroot $chrootdir/root base base-devel sudo"
    usage
fi

umask 000
[ -d "$chrootdir/$LAYER" -a "$clean_first" -eq "1" ] && rm -rf "$chrootdir/$LAYER/" 
[ -d "$chrootdir/$LAYER" ] || mkdir "$chrootdir/$LAYER"
[ -d "$chrootdir/union" ] || mkdir "$chrootdir/union"

cleanup ()
{
    echo "cleaning up unioned mounts"
    umount "$chrootdir/union"
}

uniondir="$chrootdir/union"
echo "building union chroot"
grep -Fq aufs /proc/filesystems
if [ $? -ne 0 ]; then
    modprobe -q aufs
    if [ $? -ne 0 ]; then
        echo "ERROR: No aufs available. Abandon ship!" && exit 1
    fi
fi
mount -t aufs none -o "dirs=$chrootdir/$LAYER=rw:$chrootdir/root=ro" "$uniondir"
trap 'cleanup' 0 1 2 15

if [ -n "$install_pkg" ]; then
    pkgname="$(basename "$install_pkg")"
    echo "installing '$pkgname' in chroot"
    cp "$install_pkg" "$uniondir/$pkgname"
    mkarchroot -r "pacman -U /$pkgname" "$uniondir"
    ret=$?
    rm "$uniondir/$pkgname"
    #exit early, we've done all we need to
    exit $ret
fi

if [ $update_first -eq 1 ]; then
    echo "updating chroot"
    mkarchroot -r "pacman -Syu --noconfirm" "$uniondir"
fi

echo "moving build files to chroot"
[ -d "$uniondir/build" ] || mkdir "$uniondir/build"

if [ "$REPACK" != "1" ]; then
    #Remove anything in there UNLESS -R (repack) was passed to makepkg
    rm -rf "$uniondir/build/"*
fi

# Get SRC/PKGDEST from makepkg.conf
SRCDEST=$(grep '^SRCDEST=' /etc/makepkg.conf | cut -d= -f2)
PKGDEST=$(grep '^PKGDEST=' /etc/makepkg.conf | cut -d= -f2)

[ -d "$uniondir/pkgdest" ] || mkdir "$uniondir/pkgdest"
if ! grep "PKGDEST=/pkgdest" "$uniondir/etc/makepkg.conf" >/dev/null 2>&1; then
    echo "Setting PKGDEST in makepkg.conf"
    echo "PKGDEST=/pkgdest" >> "$uniondir/etc/makepkg.conf"
fi

[ -d "$uniondir/srcdest" ] || mkdir "$uniondir/srcdest"
if ! grep "SRCDEST=/srcdest" "$uniondir/etc/makepkg.conf" >/dev/null 2>&1; then
    echo "Setting SRCDEST in makepkg.conf"
    echo "SRCDEST=/srcdest" >> "$uniondir/etc/makepkg.conf"
fi

chown -R nobody "$uniondir/build"
chown -R nobody "$uniondir/srcdest"
chown -R nobody "$uniondir/pkgdest"

# Copy PKGBUILD and sources
source PKGBUILD
cp PKGBUILD "$uniondir/build/"
for f in ${source[@]}; do
    basef=$(echo $f | sed 's|::.*||' | sed 's|^.*://.*/||g')
    if [ -f "$basef" ]; then
        cp "$basef" "$uniondir/srcdest/"
    elif [ -f "$SRCDEST/$basef" ]; then
        cp "$SRCDEST/$basef" "$uniondir/srcdest/"
    fi
done

install_files=$(grep "install=" PKGBUILD)
for pkg in ${pkgname[@]}; do
    install_files+=' '
    install_files+=$(echo $install_files |sed "s/\$pkgname/$pkg/"|sed "s/\${pkgname}/$pkg/")
    install_files=$(eval echo $install_files |tr '[:blank:]' '\n'|sort |uniq)
done

for f in $install_files;do
    install="${f#"install="}"
    if [ "$install" != "" -a -f "$install" ]; then
        cp "$install" "$uniondir/build/"
    fi
done

if [ -f "ChangeLog" ]; then
    cp ChangeLog "$uniondir/build/"
fi

if ! grep "^nobody" "$uniondir/etc/sudoers" >/dev/null 2>&1; then
    echo "allowing 'nobody' sudo rights in the chroot"
    touch "$uniondir/etc/sudoers"
    echo "nobody	ALL=(ALL) NOPASSWD: ALL" >> "$uniondir/etc/sudoers"
    chmod 440 "$uniondir/etc/sudoers"
fi

#This is a little gross, but this way the script is recreated every time in the
#rw portion of the union
(cat <<EOF
#!/bin/bash
export LANG=$LOCALE
cd /build
export HOME=/build
sudo -u nobody makepkg $MAKEPKG_ARGS || touch BUILD_FAILED
[ -f BUILD_FAILED ] && exit 1
which namcap &>/dev/null && namcap /build/PKGBUILD /pkgdest/*${PKGEXT} > /pkgdest/namcap.log
exit 0
EOF
) > "$uniondir/chrootbuild"
chmod +x "$uniondir/chrootbuild"

if mkarchroot -r "/chrootbuild" "$uniondir"; then
    for pkgfile in "${chrootdir}"/union/pkgdest/*${PKGEXT}; do
        [ -e "$pkgfile" ] || continue
        _pkgname=$(basename "$pkgfile")
        if [ "$add_to_db" -eq "1" ]; then
                [ -d "${chrootdir}/union/repo" ] || mkdir -p "${chrootdir}/union/repo"
                pushd "${chrootdir}/union/repo" >/dev/null
                cp "$pkgfile" .
                repo-add repo.db.tar.gz "$_pkgname"
                popd >/dev/null
        fi

        if [ -d "$PKGDEST" ]; then
            echo "Moving completed ${_pkgname%${PKGEXT}} package file to ${PKGDEST}"
            mv "$pkgfile" "${PKGDEST}"
        else
            echo "Moving completed ${_pkgname%${PKGEXT}} package file to ${WORKDIR}"
            mv "$pkgfile" "${WORKDIR}"
        fi
    done

    for f in "${chrootdir}"/union/srcdest/*; do
        [ -e "$f" ] || continue
        if [ -d "$SRCDEST" ]; then
            echo "Moving downloaded source file $(basename $f) to ${SRCDEST}"
            mv "$f" "${SRCDEST}"
        else
            echo "Moving downloaded source file $(basename $f) to ${WORKDIR}"
            mv "$f" "${WORKDIR}"
        fi
    done
else
    #just in case. We returned 1, make sure we fail
    touch "${chrootdir}/union/build/BUILD_FAILED"
fi

if [ -e "${chrootdir}/union/build/BUILD_FAILED" ]; then
    echo "Build failed, check $chrootdir/$LAYER/build"
    rm "${chrootdir}/union/build/BUILD_FAILED"
else
    rm -rf "${chrootdir}"/union/build/*
    echo "Build complete"
fi	


# vim:ft=sh:ts=4:sw=4:et: