spk view lib/libspk.sh @ rev 122
spk-rm: Moved remove_file function to libspk.sh.
| author | Christopher Rogers <slaxemulator@gmail.com> |
|---|---|
| date | Thu Dec 20 13:31:21 2012 +0000 (2012-12-20) |
| parents | 0d6ff2bd74e8 |
| children | 2fb881927791 |
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 # 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"
139 if ! tail -c 2k $file | fgrep -q 00000000TRAILER; then
140 gettext "Continuing download of:"; echo " $file"
141 download "$file" $mirror
142 fi
143 # Check that the package has the correct checksum
144 local msum=$(fgrep " $package_full" $pkgsmd5)
145 local sum=$($CHECKSUM $file)
146 debug "mirror $SUM : $msum"
147 debug "local $SUM : $sum"
148 if [ "$sum" != "$msum" ]; then
149 rm -f $file && download "$file" $mirror
150 fi
151 }
153 # Download a file trying all mirrors
154 # Usage: file [url|path]
155 #
156 # Priority to extra is done by mirrored_pkg which tries first to find the
157 # packages in extra mirror, then on official.
158 #
159 download() {
160 local file=$1
161 local uri="${2%/}"
162 local pwd=$(pwd)
163 [ "$quiet" ] && local quiet="-q"
164 [ "$cache" ] && local pwd=$CACHE_DIR
165 [ "$get" ] || local pwd=$CACHE_DIR
166 [ "$forced" ] && rm -f $pwd/$file
167 debug "download file: $file"
168 debug "DB: $db"
169 # Local mirror ? End by cd to cache we may be installed in. If --get
170 # was used we dl/copy in the current dir.
171 if [ -f "$uri/$file" ]; then
172 [ "$verbose" ] && echo "URI: $uri/"
173 gettext "Using local mirror:"; boldify " $file"
174 [ "$verbose" ] && (gettext "Copying file to:"; colorize 34 " $pwd")
175 cp -f $uri/$file $pwd
176 cd $pwd && return 0
177 fi
178 # In cache ? Root can use --cache to set destdir.
179 if [ -f "$CACHE_DIR/$file" ]; then
180 gettext "Using cache:"; colorize 34 " ${file%.tazpkg}"
181 return 0
182 else
183 [ "$verbose" ] && echo "URL: $uri/"
184 if [ "$db" == "$PKGS_DB" ]; then
185 gettext "Using official mirror:"
186 else
187 gettext "Using extra mirror:"
188 fi
189 boldify " $file"
190 [ "$verbose" ] && (gettext "Destination:"; colorize 34 " $pwd")
191 if [ -f "$pwd/$file" ]; then
192 echo "File exists: $pwd/$file" && return 0
193 fi
194 # TODO: be a spider with wget -s to check if package is on mirror,
195 # if not try all official mirrors ?
196 wget $quiet -c $uri/$file -O $CACHE_DIR/$file
197 cd $CACHE_DIR && check_download
198 fi
199 # Be sure the file was fetched.
200 if [ ! -f "$pwd/$file" ] || [ ! -f "$CACHE_DIR/$file" ]; then
201 gettext "ERROR: Missing file:"; colorize 31 " $file"
202 newline && exit 1
203 fi
204 }
206 # Extract .tazpkg cpio archive into a directory.
207 # Parameters: package_file results_directory
208 extract_package() {
209 local package_file=$1
210 local target_dir=$2
212 # Validate the file
213 #check_valid_tazpkg $package_file
215 # Find the package name
216 local package_name=$(package_name $package_file)
218 # Create destination directory and copy package
219 local dest_dir=$(pwd)/$package_name
220 [ -n "$target_dir" ] && dest_dir=$target_dir/$package_name
221 mkdir -p $dest_dir
222 cp $package_file $dest_dir
224 cd $dest_dir
225 size=$(du -sh $package_file | awk '{print $1}')
226 echo -n $(gettext "Extracting archive"): $size
227 cpio -idm --quiet < ${package_file##*/}
228 rm -f ${package_file##*/}
229 unlzma -c fs.cpio.lzma | cpio -idm --quiet
230 rm fs.cpio.lzma
231 status
232 cd - > /dev/null
233 }
235 # Unser var set by mirrored_pkg
236 unset_mirrored() {
237 unset mirrored mirror db pwd
238 }
240 # Return the full package name, search in all packages.desc and break when
241 # first occurance is found: Usage: full_package pkgname
242 full_package() {
243 for desc in $(find $extradb $pkgsdesc -name packages.desc); do
244 local line="$(grep "^$1 |" $desc)"
245 if grep -q "^$1 |" $desc; then
246 IFS="|"
247 echo $line | busybox awk '{print $1 "-" $2 ".tazpkg"}'
248 unset IFS && break
249 fi
250 done
251 }
253 # Check if a package is already installed.
254 # Usage: check_installed package
255 check_installed() {
256 local name="$1"
257 if is_package_installed $name; then
258 echo $(boldify "$name") $(gettext "package is already installed")
259 [ "$forced" ] || rm -rf $tmpdir
260 continue
261 fi
262 }
264 # get an already installed package from packages.equiv TODO REDO!
265 equivalent_pkg() {
266 for i in $(grep -hs "^$1=" $pkgsequiv $extradb/*/*.equiv | sed "s/^$1=//")
267 do
268 if echo $i | fgrep -q : ; then
269 # format 'alternative:newname'
270 # if alternative is installed then substitute newname
271 if is_package_installed ${i%:*}; then
272 # substitute package dependancy
273 echo ${i#*:}
274 return
275 fi
276 else
277 # if alternative is installed then nothing to install
278 if is_package_installed $i/receipt; then
279 # substitute installed package
280 echo $i
281 return
282 fi
283 fi
284 done
285 # if not found in packages.equiv then no substitution
286 echo $1
287 }
289 # Check for missing deps listed in a receipt packages.
290 # Parameters: package dependencies
291 missing_deps() {
292 local package="$1"
293 shift 1
294 local depends="$@"
296 local deps=0
297 local missing
299 # Calculate missing dependencies
300 for pkgorg in $depends; do
301 local pkg=$(equivalent_pkg $pkgorg)
302 if [ ! -d "$installed/$pkg" ]; then
303 gettext "Missing:"; echo " $pkg"
304 deps=$(($deps+1))
305 elif [ ! -f "$installed/$pkg/receipt" ]; then
306 gettext "WARNING: Dependency loop between:"; newline
307 echo " $package --> $pkg"
308 fi
309 done
311 gettext "Missing dependencies:"; colorize 34 " $deps"
313 # Return true if missing deps
314 [ "$deps" != "0" ]
315 }
317 grepesc() {
318 sed 's/\[/\\[/g'
319 }
321 # Check for ELF file
322 is_elf() {
323 [ "$(dd if=$1 bs=1 skip=1 count=3 2> /dev/null)" = "ELF" ]
324 }
326 # Avoid dirname errors by checking for argument and then remove file and
327 # empty directory. Usage: remove_file file
328 remove_file() {
329 [ "$1" ] || return
330 local dir
331 rm -f $1 2>/dev/null
332 dir="$1"
333 while [ "$dir" != "/" ]; do
334 dir="$(dirname $dir)"
335 rmdir $dir 2> /dev/null || break
336 done
337 }