source: stable/0.7/coin-functions @ 2254

Last change on this file since 2254 was 2231, checked in by stefan, 10 years ago

sync with trunk rev2230, except for chgset 2204 for now
File size: 20.0 KB
Line 
1
2# Utility function definitions for the various COIN scripts.
3
4# Copyright (c) 2010 Lou Hafer  Simon Fraser University
5# All Rights Reserved.
6# This file is distributed under the Eclipse Public License.
7# It is part of the BuildTools project in COIN-OR (www.coin-or.org)
8#
9# $Id$
10
11# Functions to disassemble svn URLs and extract relevant bits, and utilities
12# to find the best (most recent) stable and release URLs, calculate libtool
13# version numbers, and compare URLs for compatibility based on major and minor
14# version. Complicated because we have to account for trunk/stable/release and
15# for the variant syntax of Data and ThirdParty URLs. For your normal project,
16# it's
17#   https://projects.coin-or.org/svn/ProjName/trunk
18#   https://projects.coin-or.org/svn/ProjName/stable/M.m
19#   https://projects.coin-or.org/svn/ProjName/releases/M.m.r
20# with the proviso that sometimes it's
21#   https://projects.coin-or.org/svn/ProjName/SubProj/trunk
22# etc.
23# For ThirdParty, it's just like a normal project, except the prefix string
24# is longer:
25#   https://projects.coin-or.org/svn/BuildTools/ThirdParty/ProjName
26# Data is the real pain. Prior to 20101103 (1.0.x series), it had this form:
27#  https://projects.coin-or.org/svn/Data/trunk/ProjName
28#  https://projects.coin-or.org/svn/Data/stable/M.m/ProjName
29#  https://projects.coin-or.org/svn/Data/releases/M.m.r/ProjName
30# After 20101103 (1.1 and subsequent), it uses the same layout as ThirdParty,
31# namely <svn prefix>/Data/Projname/<trunk, stable, releases>. Macros below
32# will cope, but really you should be using pre-1.1 Data anyway.
33
34# Extract the COIN base from the URL, up to svn. Just in case it ever changes.
35# usage: baseURL=`extractBaseURL $svnURL`
36
37extractBaseURL ()
38{
39  exbu_baseURL=`echo $1 | sed -n -e 's|\(.*/svn\)/.*$|\1|p'`
40  echo "$exbu_baseURL"
41}
42
43
44# Extract branch type (trunk/stable/release) from the URL.
45# usage: branchType=`extractTypeFromURL $svnURL`
46
47extractTypeFromURL ()
48{
49  etfu_type="invalid"
50  case "$1" in
51    */trunk* ) etfu_type=trunk ;;
52    */stable/* ) etfu_type=stable ;;
53    */releases/* ) etfu_type=release ;;
54  esac
55  echo $etfu_type
56}
57
58# Determine if this is a `normal' URL, defined as not Data, ThirdParty, or
59# BuildTools itself. ThirdParty lives in BuildTools as of 100628, so the
60# condition is redundant. Returns yes or no.
61# 101105 Exclude CoinBazaar, which follows the Data pattern. May not be the
62#        correct choice if any CoinBazaar projects use BuildTools
63# usage: isNormal=`isNormalURL $svnURL`
64
65isNormalURL ()
66{ case $1 in
67    */BuildTools/* | */ThirdParty/* | */Data/* | */CoinBazaar/* )
68       echo "no"
69       ;;
70    *) echo "yes"
71       ;;
72  esac
73}
74
75# Extract the project from a svn URL. The trick, for `normal' projects, is to
76# handle CHiPPS, which has CHiPPS/Alps, Bcps, Blis. We can't assume the
77# project name does not contain '/'. The heuristic is to look for everything
78# between svn and one of trunk, stable, releases, or end of line.
79# usage: projName=`extractProjFromURL $svnURL`
80
81extractProjFromURL ()
82{
83  epfu_URL="$1"
84  epfu_projPat='\([^/][^/]*\)'
85  epfu_sfxPat='.*$'
86  case "$epfu_URL" in
87    */Data/trunk/* )
88        epfu_pfxPat=svn/Data/trunk/
89        ;;
90    */Data/stable/* | */Data/releases/* )
91        epfu_pfxPat='svn/Data/[^/][^/]*/[0-9][0-9.]*/'
92        ;;
93    */Data/* )
94        epfu_pfxPat='svn/Data/'
95        ;;
96    */ThirdParty/* )
97        epfu_pfxPat=svn/BuildTools/ThirdParty/
98        ;;
99    *)  epfu_type=`extractTypeFromURL $epfu_URL`
100        epfu_pfxPat='svn/'
101        epfu_projPat='\(.*\)'
102        case $epfu_type in
103          trunk | stable | release )
104              epfu_sfxPat=$epfu_type'.*$'
105              ;;
106          * )
107              epfu_sfxPat='$'
108              ;;
109        esac
110        ;;
111  esac
112  epfu_projName=`echo $epfu_URL | sed -n -e 's|.*/'$epfu_pfxPat$epfu_projPat$epfu_sfxPat'|\1|p'`
113  epfu_projName=`echo $epfu_projName | sed -e 's|/$||'`
114  echo "$epfu_projName"
115}
116
117# Extract the tail (directory) from a URL that specifies an external. Relevant
118# only for normal projects, where the external will be a subdirectory
119# of the project. Returns null for Data / ThirdParty / BuildTools.
120# usage: projName=`extractTailFromExt $extURL`
121
122extractTailFromExt ()
123{
124  etfe_tail=
125  case "$1" in
126    */Data/* )
127        ;;
128    */BuildTools/ThirdParty/* )
129        ;;
130    */BuildTools/* )
131        ;;
132    */CoinBazaar/* )
133        ;;
134    *)
135        etfe_pfxPat=
136        case "$1" in
137          */trunk/* )
138              etfe_pfxPat='.*/trunk/'
139              ;;
140          */stable/* )
141              etfe_pfxPat='.*/stable/[0-9][0-9.]*/'
142              ;;
143          */releases/* )
144              etfe_pfxPat='.*/releases/[0-9][0-9.]*/'
145              ;;
146        esac
147        etfe_tail=`echo $1 | sed -n -e 's|'$etfe_pfxPat'\(.*\)|\1|p'`
148        ;;
149  esac
150  echo "$etfe_tail"
151}
152
153
154# CppAD uses a version string of the form YYYMMDD.rr. What a pain in the ass.
155# Hence the scattered exceptions below.
156# Extract the entire version string from a stable or release URL. Returns a
157# null string if handed a trunk URL or if there's no version in the URL. The
158# version number must have at least major.minor to match.
159# usage: version=`extractVersionFromURL $svnURL`
160
161extractVersionFromURL ()
162{
163  evfu_URL="$1"
164  if expr "$evfu_URL" : '.*/stable/.*' >/dev/null 2>&1 ||
165     expr "$evfu_URL" : '.*/releases/.*' >/dev/null 2>&1 ; then
166    if expr "$evfu_URL" : '.*/CppAD/.*' >/dev/null 2>&1 ; then
167      evfu_verPat='\([0-9][0-9.]*\)'
168    else
169      evfu_verPat='\([0-9][0-9]*\.[0-9][0-9.]*\)'
170    fi
171    evfu_sfxPat='.*$'
172    evfu_proj=`extractProjFromURL $evfu_URL`
173    case "$evfu_URL" in
174      */Data/stable/* | */Data/releases/* )
175          evfu_pfxPat='svn/Data/[^/][^/]*/'
176          ;;
177      */ThirdParty/* )
178          evfu_pfxPat='svn/BuildTools/ThirdParty/[^/][^/]*/[^/][^/]*/'
179          ;;
180      */Data/* )
181          evfu_pfxPat='svn/Data/'$evfu_proj'/[^/][^/]*/'
182          ;;
183      *)
184          evfu_pfxPat='svn/'$evfu_proj'/[^/][^/]*/'
185          ;;
186    esac
187    evfu_verVer=`echo $1 | sed -n -e 's|.*/'$evfu_pfxPat$evfu_verPat$evfu_sfxPat'|\1|p'`
188    echo "$evfu_verVer"
189  else
190    echo ""
191  fi
192}
193
194# Replace the entire version string from a stable or release URL. A trunk
195# URL will be unmodified. newRev will not be accessed unless the URL is a
196# release. The version must have at least major.minor to match.
197# usage: newURL=`replaceVersionInURL $oldURL $newMajor $newMinor $newRev`
198# and just for CppAD,
199# usage: newURL=`replaceVersionInURL $oldURL $newMajor $newRev`
200
201replaceVersionInURL ()
202{
203  if expr "$1" : '.*/CppAD/.*' >/dev/null 2>&1 ; then
204    isCppAD=yes
205  else
206    isCppAD=no
207  fi
208  if test $isCppAD = no ; then
209    rviu_verPat='[0-9][0-9]*\.[0-9][0-9.]*'
210  else
211    rviu_verPat='[0-9][0-9.]*'
212  fi
213
214  if expr "$1" : '.*/stable/.*' >/dev/null 2>&1 ; then
215    if test $isCppAD = no ; then
216      rviu_newVersion=$2.$3
217    else
218      rviu_newVersion=$2
219    fi
220  elif expr "$1" : '.*/releases/.*' >/dev/null 2>&1 ; then
221    if test $isCppAD = no ; then
222      rviu_newVersion=$2.$3.$4
223    else
224      rviu_newVersion=$2.$3
225    fi
226  else
227    rviu_newVersion=
228    rviu_newURL=$1
229  fi
230  if test -n "$rviu_newVersion" ; then
231    rviu_newURL=`echo $1 | sed -n -e 's|^\(.*\)/'$rviu_verPat'\(.*\)$|\1/'$rviu_newVersion'\2|p'`
232  fi
233  echo $rviu_newURL
234}
235
236# Extract the major version number from a stable or release URL. Returns -1 if
237# handed a trunk URL or if there's no version in the URL
238# usage: majVer=`extractMajorFromURL $svnURL`
239
240extractMajorFromURL ()
241{
242  ejfu_URL="$1"
243  if expr "$ejfu_URL" : '.*/stable/.*' >/dev/null 2>&1 ||
244     expr "$ejfu_URL" : '.*/releases/.*' >/dev/null 2>&1 ; then
245    ejfu_majPat='\([0-9][0-9]*\)'
246    if expr "$ejfu_URL" : '.*/CppAD/.*' >/dev/null 2>&1 ; then
247      ejfu_sfxPat='.*$'
248    else
249      ejfu_sfxPat='\.[0-9][0-9]*.*$'
250    fi
251    ejfu_proj=`extractProjFromURL $ejfu_URL`
252    case "$ejfu_URL" in
253      */Data/stable/* | */Data/releases/* )
254          ejfu_pfxPat='svn/Data/[^/][^/]*/'
255          ;;
256      */ThirdParty/* )
257          ejfu_pfxPat='svn/BuildTools/ThirdParty/[^/][^/]*/[^/][^/]*/'
258          ;;
259      */Data/* )
260          ejfu_pfxPat='svn/Data/'$ejfu_proj'/[^/][^/]*/'
261          ;;
262      *)
263          ejfu_pfxPat='svn/'$ejfu_proj'/[^/][^/]*/'
264          ;;
265    esac
266    ejfu_majVer=`echo $ejfu_URL | sed -n -e 's|.*/'$ejfu_pfxPat$ejfu_majPat$ejfu_sfxPat'|\1|p'`
267    echo "$ejfu_majVer"
268  else
269    echo "-1"
270  fi
271}
272
273# Extract the minor version number from a stable or release URL. Returns -1 if
274# handed a trunk URL or if there's no version in the URL.
275# The CppAD form (YYYYMMDD.rr) doesn't have a minor version number.
276# usage: minVer=`extractMinorFromURL $svnURL`
277
278extractMinorFromURL ()
279{
280  emfu_URL="$1"
281  if expr "$emfu_URL" : '.*/CppAD/.*' >/dev/null 2>&1 ; then
282    echo "-1"
283  elif expr "$emfu_URL" : '.*/stable/.*' >/dev/null 2>&1 ||
284       expr "$emfu_URL" : '.*/releases/.*' >/dev/null 2>&1 ; then
285    emfu_minPat='[0-9][0-9]*\.\([0-9][0-9]*\)'
286    emfu_sfxPat='.*$'
287    emfu_proj=`extractProjFromURL $emfu_URL`
288    case "$emfu_URL" in
289      */Data/stable/* | */Data/releases/* )
290          emfu_pfxPat='svn/Data/[^/][^/]*/'
291          ;;
292      */ThirdParty/* )
293          emfu_pfxPat='svn/BuildTools/ThirdParty/[^/][^/]*/[^/][^/]*/'
294          ;;
295      */Data/* )
296          emfu_pfxPat='svn/Data/'$emfu_proj'/[^/][^/]*/'
297          ;;
298      *)
299          emfu_pfxPat='svn/'$emfu_proj'/[^/][^/]*/'
300          ;;
301    esac
302    emfu_minVer=`echo $emfu_URL | sed -n -e 's|.*/'$emfu_pfxPat$emfu_minPat$emfu_sfxPat'|\1|p'`
303    echo "$emfu_minVer"
304  else
305    echo "-1"
306  fi
307}
308
309# Extract the release (revision) number from a release URL. Returns -1 if
310# handed a trunk or stable URL
311# usage: minVer=`extractReleaseFromURL $svnURL`
312
313extractReleaseFromURL ()
314{
315  erfu_URL="$1"
316  if expr "$erfu_URL" : '.*/releases/.*' >/dev/null 2>&1 ; then
317    if expr "$erfu_URL" : '.*/CppAD/.*' >/dev/null 2>&1 ; then
318      erfu_relPat='[0-9][0-9]*\.\([0-9][0-9]*\)'
319    else
320      erfu_relPat='[0-9][0-9]*\.[0-9][0-9]*\.\([0-9][0-9]*\)'
321    fi
322    erfu_sfxPat='.*$'
323    erfu_proj=`extractProjFromURL $erfu_URL`
324    case "$erfu_URL" in
325      */Data/releases/* )
326          erfu_pfxPat='svn/Data/[^/][^/]*/'
327          ;;
328      */ThirdParty/* )
329          erfu_pfxPat='svn/BuildTools/ThirdParty/[^/][^/]*/[^/][^/]*/'
330          ;;
331      */Data/*)
332          erfu_pfxPat='svn/Data/'$erfu_proj'/[^/][^/]*/'
333          ;;
334      *)
335          erfu_pfxPat='svn/'$erfu_proj'/[^/][^/]*/'
336          ;;
337    esac
338    erfu_relVer=`echo $erfu_URL | sed -n -e 's|.*/'$erfu_pfxPat$erfu_relPat$erfu_sfxPat'|\1|p'`
339    echo "$erfu_relVer"
340  else
341    echo "-1"
342  fi
343}
344
345# Now some functions to locate the highest-numbered stable or release.
346
347# Return the URL of the most recent stable branch matching the parameters.
348# A value of -1 for major version is interpreted as `highest number'
349# Returns an empty string if no suitable stable branch exists.
350# usage: stableURL=`bestStable <URL> <major>`
351
352bestStable ()
353{ bstb_URL=$1
354  bstb_majVer=$2
355
356  # Construct a URL to send to the repository to list the stable branches.
357
358  bstb_baseURL=`extractBaseURL $bstb_URL`
359  bstb_proj=`extractProjFromURL $bstb_URL`
360
361  case "$bstb_URL" in
362    */Data/trunk/* )
363        bstb_listURL=$bstb_baseURL/Data/stable
364        ;;
365    */Data/* )
366        bstb_listURL=$bstb_baseURL/Data/$bstb_proj/stable
367        ;;
368    */ThirdParty/* )
369        bstb_listURL=$bstb_baseURL/BuildTools/ThirdParty/$bstb_proj/stable
370        ;;
371    * )
372        bstb_listURL=$bstb_baseURL/$bstb_proj/stable
373        ;;
374  esac
375
376  bstb_rawls=`svn list $bstb_listURL | sort -nr -t. -k1,1 -k2,2`
377
378  # echo "Raw ls: $bstb_rawls"
379
380  # Filter the list of stable branches to remove any that do not match the
381  # requested major version. Note that there's a / at the end of each URL.
382
383  if test "$bstb_majVer" = "-1" ; then
384    bstb_verPat='[0-9][0-9.]*/'
385  elif expr "$bstb_URL" : '.*/CppAD/.*' >/dev/null 2>&1 ; then
386    bstb_verPat=$bstb_majVer'/'
387  else
388    bstb_verPat=$bstb_majVer'\.[0-9][0-9]*'
389  fi
390  bstb_filter=
391  for bstb_ver in $bstb_rawls ; do
392    if  expr "$bstb_ver" : $bstb_verPat >/dev/null 2>&1 ; then
393      bstb_filter="$bstb_filter $bstb_ver"
394    fi
395  done
396
397  # echo "Filtered ls: $bstb_filter"
398
399  # If there are any candidates left ...
400
401  bstb_bestURL=
402  if test -n "$bstb_filter" ; then
403
404    # If we're dealing with old-style Data, we have to work a bit harder
405    # to find our project. See if any of the filtered candidates contain
406    # the correct project.
407
408    case "$bstb_URL" in
409      */Data/trunk/* | */Data/stable/* | */Data/releases/* )
410        bstb_projPat='.*'$bstb_proj'/.*'
411        # echo "Pattern: $bstb_projPat"
412        for bstb_ver in $bstb_filter ; do
413          if  expr "$bstb_ver" : $bstb_verPat >/dev/null 2>&1 ; then
414            # echo "  url: $bstb_listURL/$bstb_ver"
415            bstb_svnls2="`svn list $bstb_listURL/$bstb_ver`"
416            # echo "  result: $bstb_svnls2"
417            if expr "$bstb_svnls2" : $bstb_projPat >/dev/null 2>&1 ; then
418              bstb_best=$bstb_ver
419              # echo "  best: $bstb_best"
420              break
421            fi
422          fi
423        done
424        bstb_bestURL=$bstb_listURL/$bstb_best$bstb_proj
425      ;;
426      *)
427        bstb_bestURL=`echo $bstb_filter | sed -n -e 's|\([^/]*/\).*$|\1|p'`
428        bstb_bestURL=$bstb_listURL/$bstb_bestURL
429      ;;
430    esac
431  fi
432
433  echo $bstb_bestURL
434}
435
436# Return the URL of the most recent release matching the parameters. Returns
437# null if no suitable release exists.
438# A value of -1 for major or minor version is interpreted as `highest number'
439# A value of -1 for major version means that minor version is ignored.
440# usage: releaseURL=`bestRelease <URL> <major> <minor>`
441
442bestRelease ()
443{ bstb_URL=$1
444  bstb_majVer=$2
445  bstb_minVer=$3
446
447  # Construct a URL to send to the repository to list the releases.
448
449  bstb_baseURL=`extractBaseURL $bstb_URL`
450  bstb_proj=`extractProjFromURL $bstb_URL`
451
452  case "$bstb_URL" in
453    */Data/* )
454        bstb_listURL=$bstb_baseURL/Data/$bstb_proj/releases
455        ;;
456    */ThirdParty/* )
457        bstb_listURL=$bstb_baseURL/BuildTools/ThirdParty/$bstb_proj/releases
458        ;;
459    * )
460        bstb_listURL=$bstb_baseURL/$bstb_proj/releases
461        ;;
462  esac
463
464  bstb_rawls=`svn list $bstb_listURL | sort -nr -t. -k1,1 -k2,2 -k3,3`
465
466  # echo "Raw ls: $bstb_rawls"
467
468  # Filter the list of releases to remove any that do not match the
469  # requested major and minor version.
470
471  if expr "$bstb_URL" : '.*/CppAD/.*' >/dev/null 2>&1 ; then
472    isCppAD=yes
473  else
474    isCppAD=no
475  fi
476
477  if test "$bstb_majVer" = "-1" ; then
478    bstb_verPat='[0-9][0-9.]*/'
479  else
480    bstb_verPat=$bstb_majVer
481    if test $isCppAD = no &&
482       test "$bstb_minVer" != "-1" ; then
483      bstb_verPat="${bstb_verPat}\.$bstb_minVer"
484    fi
485    bstb_verPat="${bstb_verPat}"'\.[0-9][0-9]*/'
486  fi
487
488  # echo "Version pattern: $bstb_verPat"
489  bstb_filter=
490  for bstb_ver in $bstb_rawls ; do
491    if  expr "$bstb_ver" : $bstb_verPat >/dev/null 2>&1 ; then
492      bstb_filter="$bstb_filter $bstb_ver"
493    fi
494  done
495
496  # echo "Filtered ls: $bstb_filter"
497
498  # If there are any candidates left ...
499
500  bstb_bestURL=
501  if test -n "$bstb_filter" ; then
502
503    # If we're dealing with old-style Data, we have to work a bit harder to find our
504    # project. See if any of the filtered candidates contain the correct
505    # project.
506
507    case "$bstb_URL" in
508      */Data/trunk/* | */Data/stable/* | */Data/releases/* )
509        bstb_projPat='.*'$bstb_proj'/.*'
510        # echo "Pattern: $bstb_projPat"
511        for bstb_ver in $bstb_filter ; do
512          if  expr "$bstb_ver" : $bstb_verPat >/dev/null 2>&1 ; then
513            # echo "  url: $bstb_listURL/$bstb_ver"
514            bstb_svnls2="`svn list $bstb_listURL/$bstb_ver`"
515            # echo "  result: $bstb_svnls2"
516            if expr "$bstb_svnls2" : $bstb_projPat >/dev/null 2>&1 ; then
517              bstb_best=$bstb_ver
518              # echo "  best: $bstb_best"
519              break
520            fi
521          fi
522        done
523        bstb_bestURL=$bstb_listURL/$bstb_best$bstb_proj
524      ;;
525      *)
526        bstb_bestURL=`echo $bstb_filter | sed -n -e 's|\([^/]*/\).*$|\1|p'`
527        bstb_bestURL=$bstb_listURL/$bstb_bestURL
528      ;;
529    esac
530
531  fi
532
533  echo $bstb_bestURL
534}
535
536# Count the total number of stable branches for the project for the specified
537# major version number, up to the specified minor version number (libtool age).
538# Returns 0 if handed a trunk url, or if the url is Data or BuildTools itself.
539# usage: calcLibtoolAge <svnURL> <major> <minor>
540
541calcLibtoolAge ()
542{ cltc_URL=$1
543  cltc_majVer=$2
544  cltc_minVer=$3
545
546  # Construct a URL to send to the repository to list the stable branches.
547
548  cltc_baseURL=`extractBaseURL $cltc_URL`
549  cltc_proj=`extractProjFromURL $cltc_URL`
550
551  case "$cltc_URL" in
552    */Data/* )
553        cltc_listURL=
554        ;;
555    */ThirdParty/* )
556        cltc_listURL=$cltc_baseURL/BuildTools/ThirdParty/$cltc_proj/stable
557        ;;
558    */BuildTools/* )
559        cltc_listURL=
560        ;;
561    * )
562        cltc_listURL=$cltc_baseURL/$cltc_proj/stable
563        ;;
564  esac
565
566  # Run an ls and filter for standard stable branches (M.m or YYYYMMDD)
567
568  if test -n "$cltc_listURL" ; then
569    cltc_rawls=`svn list $cltc_listURL | sed -n -e '/[0-9][0-9.]/p'`
570
571    # echo "Raw ls: $cltc_rawls"
572
573    # Filter the list of stable branches to remove any that do not match the
574    # requested major version.
575
576    if expr "$cltc_URL" : '.*/CppAD/.*' >/dev/null 2>&1 ; then
577      cltc_verPat=$cltc_majVer
578    else
579      cltc_verPat=$cltc_majVer'\.[0-9][0-9]*/'
580    fi
581    cltc_majfilter=
582    for cltc_ver in $cltc_rawls ; do
583      if  expr "$cltc_ver" : $cltc_verPat >/dev/null 2>&1 ; then
584        cltc_majfilter="$cltc_majfilter $cltc_ver"
585      fi
586    done
587
588    # echo "Filtered ls (major version): $cltc_majfilter"
589
590    # For the specific major version, filter the list that matched on major
591    # version to remove any that exceed the minor version.
592
593    cltc_minfilter=
594    for cltc_ver in $cltc_majfilter ; do
595      cltc_min=`echo $cltc_ver | sed -e 's/[0-9][0-9]*\.\([0-9][0-9]*\).*/\1/'`
596      if expr $cltc_min '<=' $cltc_minVer >/dev/null 2>&1 ; then
597        cltc_minfilter="$cltc_minfilter $cltc_ver"
598      fi
599    done
600
601    # echo "Filtered ls (minor version): $cltc_minfilter"
602
603    cltc_cnt=`echo $cltc_minfilter | wc -w | sed -e 's/ //g'`
604  else
605    cltc_cnt=0
606  fi
607
608  echo $cltc_cnt
609}
610
611# Count the total number of stable branches for the project up to the
612# specified major.minor version number (libtool current).  Returns 0 if
613# handed a trunk url, or if the url is Data or BuildTools itself.
614# usage: calcLibtoolCurrent <svnURL> <major> <minor>
615
616calcLibtoolCurrent ()
617{ cltc_URL=$1
618  cltc_majVer=$2
619  cltc_minVer=$3
620
621  # Construct a URL to send to the repository to list the stable branches.
622
623  cltc_baseURL=`extractBaseURL $cltc_URL`
624  cltc_proj=`extractProjFromURL $cltc_URL`
625
626  case "$cltc_URL" in
627    */Data/* )
628        cltc_listURL=
629        ;;
630    */ThirdParty/* )
631        cltc_listURL=$cltc_baseURL/BuildTools/ThirdParty/$cltc_proj/stable
632        ;;
633    */BuildTools/* )
634        cltc_listURL=
635        ;;
636    * )
637        cltc_listURL=$cltc_baseURL/$cltc_proj/stable
638        ;;
639  esac
640
641  # Run an ls and filter for standard stable branches (M.m or YYYYMMDD)
642
643  if test -n "$cltc_listURL" ; then
644    cltc_rawls=`svn list $cltc_listURL | sed -n -e '/[0-9][0-9.]/p'`
645
646    # echo "Raw ls: $cltc_rawls"
647
648    # Filter the list of stable branches to find those with standard version
649    # numbers.
650
651    cltc_verPat='[0-9][0-9.]*/'
652
653    cltc_stdfilter=
654    for cltc_ver in $cltc_rawls ; do
655      if  expr "$cltc_ver" : $cltc_verPat >/dev/null 2>&1 ; then
656        cltc_stdfilter="$cltc_stdfilter $cltc_ver"
657      fi
658    done
659
660    # echo "Filtered ls (standard): $cltc_stdfilter"
661
662    # Filter to remove major versions that exceed the specified version.
663
664    cltc_majfilter=
665    for cltc_ver in $cltc_stdfilter ; do
666      cltc_maj=`echo $cltc_ver | sed -e 's/\([0-9][0-9]*\)\.[0-9].*/\1/'`
667      if expr $cltc_maj '<=' $cltc_majVer >/dev/null 2>&1 ; then
668        cltc_majfilter="$cltc_majfilter $cltc_ver"
669      fi
670    done
671
672    # echo "Filtered ls (major version): $cltc_majfilter"
673
674    # For the specific major version, filter the list that matched on major
675    # version to remove any that exceed the minor version.
676
677    cltc_minfilter=
678    cltc_verPat='s/'$cltc_majVer'\.\([0-9][0-9]*\).*/\1/'
679    for cltc_ver in $cltc_majfilter ; do
680      cltc_min=`echo $cltc_ver | sed -e $cltc_verPat`
681      if expr $cltc_min '<=' $cltc_minVer >/dev/null 2>&1 ; then
682        cltc_minfilter="$cltc_minfilter $cltc_ver"
683      fi
684    done
685
686    # echo "Filtered ls (minor version): $cltc_minfilter"
687
688    cltc_cnt=`echo $cltc_minfilter | wc -w | sed -e 's/ //g'`
689  else
690    cltc_cnt=0
691  fi
692
693  echo $cltc_cnt
694}
695
696
697# Function to compare the versions in a pair of URLs for equality. The criteria
698# is that the major and minor versions match. In theory, the release should
699# not matter. Probably should be a parameter.
700# usage: compareURLVersions <url1> <url2>
701
702compareURLVersions ()
703{
704  url1_major=`extractMajorFromURL $1`
705  url1_minor=`extractMinorFromURL $1`
706  url2_major=`extractMajorFromURL $2`
707  url2_minor=`extractMinorFromURL $2`
708
709  if test $url1_major = $url2_major &&
710     test $url1_minor = $url2_minor ; then
711    echo "yes"
712  else
713    echo "no"
714  fi
715}
716
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