spk view lib/libspk.sh @ rev 104
changed several tools to use lib functions
| author | Christian Mesh <meshca@clarkson.edu> |
|---|---|
| date | Sat Jun 02 18:48:02 2012 -0500 (2012-06-02) |
| parents | f017035fd1f5 |
| children | c27b19df240c |
line source
1 #!/bin/sh
2 #
3 # Libspk - The Spk base function and internal variables used by almost all
4 # spk-tools. Read the README before adding or modifing any code in spk!
5 #
6 # Copyright (C) SliTaz GNU/Linux - BSD License
7 # Author: See AUTHORS files
8 #
9 . /lib/libtaz.sh
10 . /usr/lib/slitaz/libpkg.sh
11 . /etc/slitaz/slitaz.conf
13 # Internal variables.
14 mirrorurl="${root}${PKGS_DB}/mirror"
15 mirrors="${root}${PKGS_DB}/mirrors"
16 installed="${root}${PKGS_DB}/installed"
17 pkgsdesc="${root}${PKGS_DB}/packages.desc"
18 pkgsmd5="${root}${PKGS_DB}/packages.$SUM"
19 pkgsequiv="${root}${PKGS_DB}/packages.equiv"
20 pkgsup="${root}${PKGS_DB}/packages.up"
21 blocked="${root}${PKGS_DB}/blocked.list"
22 activity="${root}${PKGS_DB}/activity"
23 logdir="${root}/var/log/spk"
24 extradb="${root}${PKGS_DB}/extra"
25 tmpdir="/tmp/spk/$RANDOM"
27 #
28 # Sanity checks
29 #
31 if [ ! -d "${root}${PKGS_DB}" ]; then
32 gettext "Can't find DB:"; echo " ${root}${PKGS_DB}"
33 exit 1
34 fi
36 if [ ! -d "${root}${extradb}" ]; then
37 mkdir -p ${root}${extradb}
38 fi
40 if [ ! -d "${root}${CACHE_DIR}" ]; then
41 mkdir -p ${root}${CACHE_DIR}
42 fi
44 #
45 # Functions
46 #
48 # Display receipt information. Expects a receipt to be sourced
49 receipt_info() {
50 cat << EOT
51 $(gettext "Version :") ${VERSION}${EXTRAVERSION}
52 $(gettext "Short desc :") $SHORT_DESC
53 $(gettext "Category :") $CATEGORY
54 EOT
55 }
57 # Display package info from a packages.desc list
58 # Usage: read_pkgsdesc /path/to/packages.desc
59 read_pkgsdesc() {
60 local list="$1"
61 IFS="|"
62 cat $list | while read package version desc category
63 do
64 if [ "$short" ]; then
65 echo $(colorize 32 "$package") $(indent 28 " $version")
66 else
67 newline
68 gettext "Package :"; colorize 32 " $package"
69 gettext "Version :"; echo "$version"
70 gettext "Short desc :"; echo "$desc"
71 fi
72 done && unset IFS
73 }
75 # Extract receipt from tazpkg
76 # Parameters: result_dir package_file
77 extract_receipt() {
78 local dir="$1"
79 local file="$2"
80 cd "$dir"
81 { cpio --quiet -i receipt > /dev/null 2>&1; } < $file
82 cd - >/dev/null
83 }
85 # Extract files.list from tazpkg
86 # Parameters: result_dir package_file
87 extract_fileslist() {
88 local dir="$1"
89 local file="$2"
90 cd "$dir"
91 { cpio --quiet -i files.list > /dev/null 2>&1; } < $file
92 cd - >/dev/null
93 }
95 is_package_installed() {
96 [ -f "$installed/$1/receipt" ]
97 }
99 # Used by: list
100 count_installed() {
101 local count=$(ls $installed | wc -l)
102 gettext "Installed :"; echo " $count"
103 }
105 # Used by: list
106 count_mirrored() {
107 [ -f "$pkgsmd5" ] || return
108 local count=$(cat $pkgsmd5 | wc -l)
109 gettext "Mirrored :"; echo " $count"
110 }
112 # Check if package is on main or extra mirror.
113 mirrored_pkg() {
114 local name=$1
115 #local find=$(grep "^$name |" $pkgsdesc $extradb/*/*.desc 2>/dev/null)
116 for desc in $(find $extradb $pkgsdesc -name packages.desc); do
117 if grep -q "^$name |" $desc; then
118 db=$(dirname $desc)
119 mirrored=$(grep "^$name |" $desc)
120 mirror=$(cat $db/mirror)
121 break
122 fi
123 done
124 }
126 # Check if the download was sane
127 check_download() {
128 debug "check_download: $file"
129 if ! tail -c 2k $file | fgrep -q 00000000TRAILER; then
130 gettext "Continuing download of:"; echo " $file"
131 download "$file" $mirror
132 fi
133 # Check that the package has the correct checksum
134 local msum=$(fgrep " $package_full" $pkgsmd5)
135 local sum=$($CHECKSUM $file)
136 debug "mirror $SUM : $msum"
137 debug "local $SUM : $sum"
138 if [ "$sum" != "$msum" ]; then
139 rm -f $file && download "$file" $mirror
140 fi
141 }
143 # Download a file trying all mirrors
144 # Usage: file [url|path]
145 #
146 # Priority to extra is done by mirrored_pkg which tries first to find the
147 # packages in extra mirror, then on official.
148 #
149 download() {
150 local file=$1
151 local uri="${2%/}"
152 local pwd=$(pwd)
153 [ "$quiet" ] && local quiet="-q"
154 [ "$cache" ] && local pwd=$CACHE_DIR
155 [ "$get" ] || local pwd=$CACHE_DIR
156 [ "$forced" ] && rm -f $pwd/$file
157 debug "download file: $file"
158 debug "DB: $db"
159 # Local mirror ? End by cd to cache we may be installed in. If --get
160 # was used we dl/copy in the current dir.
161 if [ -f "$uri/$file" ]; then
162 [ "$verbose" ] && echo "URI: $uri/"
163 gettext "Using local mirror:"; boldify " $file"
164 [ "$verbose" ] && (gettext "Copying file to:"; colorize 34 " $pwd")
165 cp -f $uri/$file $pwd
166 cd $pwd && return 0
167 fi
168 # In cache ? Root can use --cache to set destdir.
169 if [ -f "$CACHE_DIR/$file" ]; then
170 gettext "Using cache:"; colorize 34 " ${file%.tazpkg}"
171 return 0
172 else
173 [ "$verbose" ] && echo "URL: $uri/"
174 if [ "$db" == "$PKGS_DB" ]; then
175 gettext "Using official mirror:"
176 else
177 gettext "Using extra mirror:"
178 fi
179 boldify " $file"
180 [ "$verbose" ] && (gettext "Destination:"; colorize 34 " $pwd")
181 if [ -f "$pwd/$file" ]; then
182 echo "File exists: $pwd/$file" && return 0
183 fi
184 # TODO: be a spider with wget -s to check if package is on mirror,
185 # if not try all official mirrors ?
186 wget $quiet -c $uri/$file -O $CACHE_DIR/$file
187 cd $CACHE_DIR && check_download
188 fi
189 # Be sure the file was fetched.
190 if [ ! -f "$pwd/$file" ] || [ ! -f "$CACHE_DIR/$file" ]; then
191 gettext "ERROR: Missing file:"; colorize 31 " $file"
192 newline && exit 1
193 fi
194 }
196 # Extract .tazpkg cpio archive into a directory.
197 # Parameters: package_file results_directory
198 extract_package() {
199 local package_file=$1
200 local target_dir=$2
202 # Validate the file
203 #check_valid_tazpkg $package_file
205 # Find the package name
206 local package_name=$(package_name $package_file)
208 # Create destination directory and copy package
209 local dest_dir=$(pwd)/$package_name
210 [ -n "$target_dir" ] && dest_dir=$target_dir/$package_name
211 mkdir -p $dest_dir
212 cp $package_file $dest_dir
214 cd $dest_dir
215 size=$(du -sh $package_file | awk '{print $1}')
216 echo -n $(gettext "Extracting archive"): $size
217 cpio -idm --quiet < ${package_file##*/}
218 rm -f ${package_file##*/}
219 unlzma -c fs.cpio.lzma | cpio -idm --quiet
220 rm fs.cpio.lzma
221 status
222 cd - > /dev/null
223 }
225 # Unser var set by mirrored_pkg
226 unset_mirrored() {
227 unset mirrored mirror db pwd
228 }
230 # Return the full package name, search in all packages.desc and break when
231 # first occurance is found: Usage: full_package pkgname
232 full_package() {
233 for desc in $(find $extradb $pkgsdesc -name packages.desc); do
234 local line="$(grep "^$1 |" $desc)"
235 if grep -q "^$1 |" $desc; then
236 IFS="|"
237 echo $line | busybox awk '{print $1 "-" $2 ".tazpkg"}'
238 unset IFS && break
239 fi
240 done
241 }
243 # Check if a package is already installed.
244 # Usage: check_installed package
245 check_installed() {
246 local name="$1"
247 if is_package_installed $name; then
248 echo $(boldify "$name") $(gettext "package is already installed")
249 [ "$forced" ] || rm -rf $tmpdir
250 continue
251 fi
252 }
254 # get an already installed package from packages.equiv TODO REDO!
255 equivalent_pkg() {
256 for i in $(grep -hs "^$1=" $pkgsequiv $extradb/*/*.equiv | sed "s/^$1=//")
257 do
258 if echo $i | fgrep -q : ; then
259 # format 'alternative:newname'
260 # if alternative is installed then substitute newname
261 if is_package_installed ${i%:*}; then
262 # substitute package dependancy
263 echo ${i#*:}
264 return
265 fi
266 else
267 # if alternative is installed then nothing to install
268 if is_package_installed $i/receipt; then
269 # substitute installed package
270 echo $i
271 return
272 fi
273 fi
274 done
275 # if not found in packages.equiv then no substitution
276 echo $1
277 }
279 # Check for missing deps listed in a receipt packages.
280 # Parameters: package dependencies
281 missing_deps() {
282 local package="$1"
283 shift 1
284 local depends="$@"
286 local deps=0
287 local missing
289 # Calculate missing dependencies
290 for pkgorg in $depends; do
291 local pkg=$(equivalent_pkg $pkgorg)
292 if [ ! -d "$installed/$pkg" ]; then
293 gettext "Missing:"; echo " $pkg"
294 deps=$(($deps+1))
295 elif [ ! is_package_installed $pkg/receipt ]; then
296 gettext "WARNING: Dependency loop between:"; newline
297 echo " $package --> $pkg"
298 fi
299 done
301 gettext "Missing dependencies:"; colorize 34 " $deps"
303 # Return true if missing deps
304 [ "$deps" != "0" ]
305 }
307 grepesc() {
308 sed 's/\[/\\[/g'
309 }
311 # Check for ELF file
312 is_elf() {
313 [ "$(dd if=$1 bs=1 skip=1 count=3 2> /dev/null)" = "ELF" ]
314 }
316 # Exec functions directly for developement purposes.
317 case $1 in
318 *_*) func=$1 && shift && $func $@ ;;
319 esac