spk view lib/libspk.sh @ rev 144
Mini up in doc
| author | Christophe Lincoln <pankso@slitaz.org> |
|---|---|
| date | Sun Apr 06 22:33:53 2014 +0200 (2014-04-06) |
| parents | 365a7811faf7 |
| children | c6b5c649a7a3 |
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 modifying 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 # Extract library.list from tazpkg
96 # Parameters: result_dir package_file
97 extract_librarylist() {
98 local dir="$1"
99 local file="$2"
100 cd "$dir"
101 { cpio --quiet -i library.list > /dev/null 2>&1; } < $file
102 cd - >/dev/null
103 }
105 is_package_installed() {
106 [ -f "$installed/$1/receipt" ]
107 }
109 # Used by: list
110 count_installed() {
111 local count=$(ls $installed | wc -l)
112 gettext "Installed :"; echo " $count"
113 }
115 # Used by: list
116 count_mirrored() {
117 [ -f "$pkgsmd5" ] || return
118 local count=$(cat $pkgsmd5 | wc -l)
119 gettext "Mirrored :"; echo " $count"
120 }
122 # Check if package is on main or extra mirror.
123 mirrored_pkg() {
124 local name=$1
125 #local find=$(grep "^$name |" $pkgsdesc $extradb/*/*.desc 2>/dev/null)
126 for desc in $(find $extradb $pkgsdesc -name packages.desc); do
127 if grep -q "^$name |" $desc; then
128 db=$(dirname $desc)
129 mirrored=$(grep "^$name |" $desc)
130 mirror=$(cat $db/mirror)
131 break
132 fi
133 done
134 }
136 # Check if the download was sane
137 check_download() {
138 debug "check_download: $file"
140 # Buggy on ARM: continuing download in loop
141 #if ! tail -c 2k $file | fgrep -q 00000000TRAILER; then
142 # gettext "Continuing download of:"; echo " $file"
143 # download "$file" $mirror
144 #fi
146 # Check that the package has the correct checksum
147 local msum=$(fgrep " $package_full" $pkgsmd5)
148 local sum=$($CHECKSUM $file)
149 debug "mirror $SUM : $msum"
150 debug "local $SUM : $sum"
151 if [ "$sum" != "$msum" ]; then
152 rm -f $file && download "$file" $mirror
153 fi
154 }
156 # Download a file trying all mirrors
157 # Usage: file [url|path]
158 #
159 # Priority to extra is done by mirrored_pkg which tries first to find the
160 # packages in extra mirror, then on official.
161 #
162 download() {
163 local file=$1
164 local uri="${2%/}"
165 local pwd=$(pwd)
166 [ "$quiet" ] && local quiet="-q"
167 [ "$cache" ] && local pwd=$CACHE_DIR
168 [ "$forced" ] && rm -f $pwd/$file
169 debug "download file: $file"
170 debug "DB: $db"
171 # Local mirror ? End by cd to cache we may be installed in. If --get
172 # was used we dl/copy in the current dir.
173 if [ -f "$uri/$file" ]; then
174 [ "$verbose" ] && echo "URI: $uri/"
175 gettext "Using local mirror:"; boldify " $file"
176 [ "$verbose" ] && (gettext "Copying file to:"; colorize 34 " $pwd")
177 cp -f $uri/$file $pwd
178 cd $pwd && return 0
179 fi
180 # In cache ? Root can use --cache to set destdir.
181 if [ -f "$CACHE_DIR/$file" ]; then
182 gettext "Using cache:"; colorize 34 " ${file%.tazpkg}"
183 return 0
184 else
185 [ "$verbose" ] && echo "URL: $uri/"
186 if [ "$db" == "$PKGS_DB" ]; then
187 gettext "Using official mirror:"
188 else
189 gettext "Using extra mirror:"
190 fi
191 boldify " $file"
192 [ "$verbose" ] && (gettext "Destination:"; colorize 34 " $pwd")
193 if [ -f "$pwd/$file" ]; then
194 echo "File exists: $pwd/$file" && return 0
195 fi
196 # TODO: be a spider with wget -s to check if package is on mirror,
197 # if not try all official mirrors ?
198 busybox wget $quiet -c $uri/$file -O $CACHE_DIR/$file
199 cd $CACHE_DIR && check_download
200 fi
201 # Be sure the file was fetched.
202 if [ ! -f "$CACHE_DIR/$file" ] && [ ! -f "$pwd/$file" ]; then
203 gettext "ERROR: Missing file:"; colorize 31 " $CACHE_DIR/$file"
204 newline && exit 1
205 fi
206 }
208 # Extract .tazpkg cpio archive into a directory.
209 # Parameters: package_file results_directory
210 extract_package() {
211 local package_file=$1
212 local target_dir=$2
214 # Validate the file
215 #check_valid_tazpkg $package_file
217 # Find the package name
218 local package_name=$(package_name $package_file)
220 # Create destination directory and copy package
221 local dest_dir=$(pwd)/$package_name
222 [ -n "$target_dir" ] && dest_dir=$target_dir/$package_name
223 mkdir -p $dest_dir
224 cp $package_file $dest_dir
226 cd $dest_dir
227 size=$(du -sh $package_file | awk '{print $1}')
228 echo -n $(gettext "Extracting archive"): $size
229 cpio -idm --quiet < ${package_file##*/}
230 rm -f ${package_file##*/}
231 unlzma -c fs.cpio.lzma | cpio -idm --quiet
232 rm fs.cpio.lzma
233 status
234 cd - > /dev/null
235 }
237 # Unset var set by mirrored_pkg
238 unset_mirrored() {
239 unset mirrored mirror db pwd
240 }
242 # Return the full package name, search in all packages.desc and break when
243 # first occurrence is found: Usage: full_package pkgname
244 full_package() {
245 for desc in $(find $extradb $pkgsdesc -name packages.desc); do
246 local line="$(grep "^$1 |" $desc)"
247 if grep -q "^$1 |" $desc; then
248 IFS="|"
249 echo $line | busybox awk '{print $1 "-" $2 ".tazpkg"}'
250 unset IFS && break
251 fi
252 done
253 }
255 # Check if a package is already installed.
256 # Usage: check_installed package
257 check_installed() {
258 local name="$1"
259 if is_package_installed $name; then
260 echo $(boldify "$name") $(gettext "package is already installed")
261 [ "$forced" ] || rm -rf $tmpdir
262 continue
263 fi
264 }
266 # get an already installed package from packages.equiv TODO REDO!
267 equivalent_pkg() {
268 for i in $(grep -hs "^$1=" $pkgsequiv $extradb/*/*.equiv | sed "s/^$1=//")
269 do
270 if echo $i | fgrep -q : ; then
271 # format 'alternative:newname'
272 # if alternative is installed then substitute newname
273 if is_package_installed ${i%:*}; then
274 # substitute package dependency
275 echo ${i#*:}
276 return
277 fi
278 else
279 # if alternative is installed then nothing to install
280 if is_package_installed $i/receipt; then
281 # substitute installed package
282 echo $i
283 return
284 fi
285 fi
286 done
287 # if not found in packages.equiv then no substitution
288 echo $1
289 }
291 # Check for missing deps listed in a receipt packages.
292 # Parameters: package dependencies
293 missing_deps() {
294 local package="$1"
295 shift 1
296 local depends="$@"
298 local deps=0
299 local missing
301 # Calculate missing dependencies
302 for pkgorg in $depends; do
303 local pkg=$(equivalent_pkg $pkgorg)
304 if [ ! -d "$installed/$pkg" ]; then
305 gettext "Missing:"; echo " $pkg"
306 deps=$(($deps+1))
307 elif [ ! -f "$installed/$pkg/receipt" ]; then
308 gettext "WARNING: Dependency loop between:"; newline
309 echo " $package --> $pkg"
310 fi
311 done
313 gettext "Missing dependencies:"; colorize 34 " $deps"
315 # Return true if missing deps
316 [ "$deps" != "0" ]
317 }
319 grepesc() {
320 sed 's/\[/\\[/g'
321 }
323 # Check for ELF file
324 is_elf() {
325 [ "$(dd if=$1 bs=1 skip=1 count=3 2> /dev/null)" = "ELF" ]
326 }
328 # Avoid dirname errors by checking for argument and then remove file and
329 # empty directory. Usage: remove_file file
330 remove_file() {
331 [ "$1" ] || return
332 local dir
333 rm -f $1 2>/dev/null
334 dir="$1"
335 while [ "$dir" != "/" ]; do
336 dir="$(dirname $dir)"
337 rmdir $dir 2> /dev/null || break
338 done
339 }