From: Damir Dzeko Date: Mon, 26 Dec 2005 20:43:16 +0000 (+0000) Subject: r90: Dodan --change u cp-update X-Git-Tag: debian/3.0.0~22 X-Git-Url: http://ftp.carnet.hr/pub/carnet-debian/scm?a=commitdiff_plain;h=baae9f008f06d16d8d033ba280c0552403c1b9bb;p=carnet-tools-cn.git r90: Dodan --change u cp-update --- diff --git a/cp-update b/cp-update index d5b2ab2..f4d66be 100755 --- a/cp-update +++ b/cp-update @@ -3,6 +3,7 @@ ## Copyright (C) 1998 Hrvoje Niksic ## Modification by Zeljko Boros (block entries, removing old entries) ## More options and use strict by Zoran Dzelajlija on 2004-02-24 +## Quite a few improvements by Damir Dzeko on 2005-03-18 (see bellow) ## ## 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 @@ -22,7 +23,7 @@ ## -> reformated code, introduced coding conventions ## -> increased reliability through atomic actualization ## -> everything is done in the memory - more mem, less i/o -## -> removed append mode - in-place editing considered harmfull +## -> removed append mode - in-place editing considered harmful ## -> added in-place mode as option use strict; @@ -54,12 +55,16 @@ $UsageLong = " -r | --remove Remove entry PACKAGE from FILE. Default is to add lines from stdin. + -x | --change Modify existing block, or add it if + it does not exist but the begin mark + can be found. + -m | --allow-multiple Allow multiple blocks of the same type. By default, old blocks are replaced with the new one. -h | --help Print this message (usage reference). - + --version Print version message. - Placement control: @@ -115,6 +120,7 @@ use constant INSERT_ON_TOP => 3; # InsertRemove modes use constant DO_REMOVE => 0; use constant DO_INSERT => 1; +use constant DO_CHANGE => 2; # Operation defaults $InsertRemove = DO_INSERT; @@ -139,6 +145,9 @@ while (@ARGV) { elsif (/^-r$/ || /^--remove$/) { $InsertRemove = DO_REMOVE; } + elsif (/^-x$/ || /^--change$/) { + $InsertRemove = DO_CHANGE; + } elsif (/^-m$/ || /^--allow-multi(?:ple)?$/) { $Multi = 1; } @@ -190,6 +199,10 @@ while (@ARGV) { unshift(@ARGV, $_); last; } + + if ($Multi and DO_CHANGE == $InsertRemove) { + die "$ProgramName: Cannot use both `--change' and `--allow-multiple'\n"; + } } $Package = shift or die $UsageShort; @@ -239,7 +252,11 @@ do_it() and exit(0); sub do_it { slurp(); - if (DO_INSERT == $InsertRemove) { + if (DO_CHANGE == $InsertRemove) { + $StdinContent = &stdin_content; + change() or add(); + } + elsif (DO_INSERT == $InsertRemove) { $StdinContent = &stdin_content; del() unless $Multi; add(); @@ -338,6 +355,51 @@ sub del() { return scalar(@Lines); # whatever } +sub change() { + my ($mytrailer, $mybegin, $myend) = + ($Trailer, $MarkBegin, $MarkEnd); + + my ($bm_found, $em_found); # begin/end mark found indicator + + # Make the strings regexp-friendly by quoting non-word chars. + $mybegin =~ s/\W/\\$&/g; + $myend =~ s/\W/\\$&/g; + $mytrailer =~ s/\W/\\$&/g; + + my (@filtered, $done, $skip); + $done = 0; # job done once + $skip = 0; # skip original block + foreach (@Lines) { + if (! $done and $skip > 0) { + if (/^$myend(?:$mytrailer)?$/o) { + ++ $done; # skipped all that was to skip + } else { + ++ $skip; # count lines being skipped + } + } + elsif (0 == $skip and $_ =~ /^$mybegin(?:$mytrailer)?$/o) { + push (@filtered, $StdinContent); + $skip = 1; + } + else { + push (@filtered, $_) + } + # for safety check: + $bm_found = 1 if (/^$mybegin(?:$mytrailer)?$/o); + $em_found = 1 if (/^$myend(?:$mytrailer)?$/o); + } + if ($bm_found and $em_found) { + -- $skip; # correct the counter + DEBUG and print STDERR "Replaced block of $skip lines\n"; + @Lines = @filtered; + } + elsif ($bm_found and ! $em_found) { + # safety exit + die "$ProgramName: no end-mark after begin-mark!\n"; + } + return $done; +} + # written by ddzeko@srce.hr, 2005-03-18 # to improve reliabilitah :) # diff --git a/test/Makefile b/test/Makefile index 5c19de1..e0117a8 100644 --- a/test/Makefile +++ b/test/Makefile @@ -6,12 +6,12 @@ # path to cp-update script CPUPDATE=../cp-update -tests: test0 test1 test2 test3 test4 test5 test6 +tests: test0 test1 test2 test3 test4 test5 test6 test7 test8 @echo "All tests completed successfully" @cp test-file.start test-file clean: test0 test-file.start - rm -f test[0-9] test[0-9][0-9] test-file.[0-9]* + rm -f test[0-9] test[0-9][a-zA-Z0-9] test-file.[0-9]* # prepare everything for test sequence test0: test-file.start @@ -68,9 +68,30 @@ test5: mv test-new $@ echo Succeeded $@ +# change/replace existing blocks +# - even if they do not previously exist (fall-back to insert) +test6: + perl -e 'print "test line $$_ by $$ARGV[0]\n" for 14..18;' testChange \ + | $(CPUPDATE) -x -i 'something' testChange test-file + cp test-file test-new + cmp test-new $@.ok + mv test-new $@ + echo Succeeded $@ + +# change/replace existing blocks +# - just change it Sam +test7: test6 + cp test6 test6c + perl -e 'print "test line $$_ by $$ARGV[0]\n" for 22..26;' testChange \ + | $(CPUPDATE) -x -i 'something' testChange test6c + cp test6c test-new + cmp test-new $@.ok + mv test-new $@ + echo Succeeded $@ + # now remove everything -test6: test1 test2 test3 test4 test5 - for i in test[1-4]; do $(CPUPDATE) -r $$i test-file; done +test8: test1 test2 test3 test4 test5 test6 + for i in test[1-4] testChange; do $(CPUPDATE) -r $$i test-file; done $(CPUPDATE) -r -c ';' test5 test-file cp test-file.start $@.ok echo >> $@.ok diff --git a/test/test1.ok b/test/test1.ok index 9d5ab7a..cc46434 100644 --- a/test/test1.ok +++ b/test/test1.ok @@ -1,4 +1,7 @@ This is the top of the test file for cp-update maintenance team +# Begin update by CARNet package test1 -- DO NOT DELETE THIS LINE! +Block inserted by test1 +# End update by CARNet package test1 -- DO NOT DELETE THIS LINE! so they can check is everything ok with the script. Empty line: # Here we have a piece that looks like a comment @@ -27,6 +30,3 @@ string after the package name # Begin update by CARNet package broken2 It's the end of the file and guess what? This line does not end with \n -# Begin update by CARNet package test1 -- DO NOT DELETE THIS LINE! -Block inserted by test1 -# End update by CARNet package test1 -- DO NOT DELETE THIS LINE! diff --git a/test/test2.ok b/test/test2.ok index ebc464d..c8ecc03 100644 --- a/test/test2.ok +++ b/test/test2.ok @@ -2,6 +2,9 @@ Block inserted by test2 # End update by CARNet package test2 -- DO NOT DELETE THIS LINE! This is the top of the test file for cp-update maintenance team +# Begin update by CARNet package test1 -- DO NOT DELETE THIS LINE! +Block inserted by test1 +# End update by CARNet package test1 -- DO NOT DELETE THIS LINE! so they can check is everything ok with the script. Empty line: # Here we have a piece that looks like a comment @@ -30,6 +33,3 @@ string after the package name # Begin update by CARNet package broken2 It's the end of the file and guess what? This line does not end with \n -# Begin update by CARNet package test1 -- DO NOT DELETE THIS LINE! -Block inserted by test1 -# End update by CARNet package test1 -- DO NOT DELETE THIS LINE! diff --git a/test/test3.ok b/test/test3.ok index 5bd66d8..e4ab5ce 100644 --- a/test/test3.ok +++ b/test/test3.ok @@ -2,6 +2,9 @@ Block inserted by test2 # End update by CARNet package test2 -- DO NOT DELETE THIS LINE! This is the top of the test file for cp-update maintenance team +# Begin update by CARNet package test1 -- DO NOT DELETE THIS LINE! +Block inserted by test1 +# End update by CARNet package test1 -- DO NOT DELETE THIS LINE! so they can check is everything ok with the script. Empty line: # Here we have a piece that looks like a comment @@ -33,6 +36,3 @@ string after the package name # Begin update by CARNet package broken2 It's the end of the file and guess what? This line does not end with \n -# Begin update by CARNet package test1 -- DO NOT DELETE THIS LINE! -Block inserted by test1 -# End update by CARNet package test1 -- DO NOT DELETE THIS LINE! diff --git a/test/test4.ok b/test/test4.ok index 91077ac..cd33d8a 100644 --- a/test/test4.ok +++ b/test/test4.ok @@ -2,6 +2,9 @@ Block inserted by test2 # End update by CARNet package test2 -- DO NOT DELETE THIS LINE! This is the top of the test file for cp-update maintenance team +# Begin update by CARNet package test1 -- DO NOT DELETE THIS LINE! +Block inserted by test1 +# End update by CARNet package test1 -- DO NOT DELETE THIS LINE! so they can check is everything ok with the script. Empty line: # Here we have a piece that looks like a comment @@ -33,9 +36,6 @@ string after the package name # Begin update by CARNet package broken2 It's the end of the file and guess what? This line does not end with \n -# Begin update by CARNet package test1 -- DO NOT DELETE THIS LINE! -Block inserted by test1 -# End update by CARNet package test1 -- DO NOT DELETE THIS LINE! # Begin update by CARNet package test4 -- DO NOT DELETE THIS LINE! Block inserted by test4 # End update by CARNet package test4 -- DO NOT DELETE THIS LINE! diff --git a/test/test5.ok b/test/test5.ok index 32192cd..4f557b6 100644 --- a/test/test5.ok +++ b/test/test5.ok @@ -2,6 +2,9 @@ Block inserted by test2 # End update by CARNet package test2 -- DO NOT DELETE THIS LINE! This is the top of the test file for cp-update maintenance team +# Begin update by CARNet package test1 -- DO NOT DELETE THIS LINE! +Block inserted by test1 +# End update by CARNet package test1 -- DO NOT DELETE THIS LINE! so they can check is everything ok with the script. Empty line: # Here we have a piece that looks like a comment @@ -40,9 +43,6 @@ string after the package name # Begin update by CARNet package broken2 It's the end of the file and guess what? This line does not end with \n -# Begin update by CARNet package test1 -- DO NOT DELETE THIS LINE! -Block inserted by test1 -# End update by CARNet package test1 -- DO NOT DELETE THIS LINE! # Begin update by CARNet package test4 -- DO NOT DELETE THIS LINE! Block inserted by test4 # End update by CARNet package test4 -- DO NOT DELETE THIS LINE! diff --git a/test/test6.ok b/test/test6.ok index 1e6e4b7..80a1d21 100644 --- a/test/test6.ok +++ b/test/test6.ok @@ -1,4 +1,10 @@ +# Begin update by CARNet package test2 -- DO NOT DELETE THIS LINE! +Block inserted by test2 +# End update by CARNet package test2 -- DO NOT DELETE THIS LINE! This is the top of the test file for cp-update maintenance team +# Begin update by CARNet package test1 -- DO NOT DELETE THIS LINE! +Block inserted by test1 +# End update by CARNet package test1 -- DO NOT DELETE THIS LINE! so they can check is everything ok with the script. Empty line: # Here we have a piece that looks like a comment @@ -7,13 +13,30 @@ so they can check is everything ok with the script. Empty line: [samba] brasil = de Janeiro +; Begin update by CARNet package test5 -- DO NOT DELETE THIS LINE! +test line 1 by test5 +test line 2 by test5 +test line 3 by test5 +test line 4 by test5 +test line 5 by test5 +; End update by CARNet package test5 -- DO NOT DELETE THIS LINE! mohican = the last +# Begin update by CARNet package test3 -- DO NOT DELETE THIS LINE! +Block inserted by test3 +# End update by CARNet package test3 -- DO NOT DELETE THIS LINE! options { something +more; +# Begin update by CARNet package testChange -- DO NOT DELETE THIS LINE! +test line 14 by testChange +test line 15 by testChange +test line 16 by testChange +test line 17 by testChange +test line 18 by testChange +# End update by CARNet package testChange -- DO NOT DELETE THIS LINE! } # update this @@ -27,3 +50,6 @@ string after the package name # Begin update by CARNet package broken2 It's the end of the file and guess what? This line does not end with \n +# Begin update by CARNet package test4 -- DO NOT DELETE THIS LINE! +Block inserted by test4 +# End update by CARNet package test4 -- DO NOT DELETE THIS LINE! diff --git a/test/test7.ok b/test/test7.ok new file mode 100644 index 0000000..989b974 --- /dev/null +++ b/test/test7.ok @@ -0,0 +1,55 @@ +# Begin update by CARNet package test2 -- DO NOT DELETE THIS LINE! +Block inserted by test2 +# End update by CARNet package test2 -- DO NOT DELETE THIS LINE! +This is the top of the test file for cp-update maintenance team +# Begin update by CARNet package test1 -- DO NOT DELETE THIS LINE! +Block inserted by test1 +# End update by CARNet package test1 -- DO NOT DELETE THIS LINE! +so they can check is everything ok with the script. Empty line: + +# Here we have a piece that looks like a comment +; following line says that you should not delete it: + -- DO NOT DELETE THIS LINE! + +[samba] + brasil = de Janeiro +; Begin update by CARNet package test5 -- DO NOT DELETE THIS LINE! +test line 1 by test5 +test line 2 by test5 +test line 3 by test5 +test line 4 by test5 +test line 5 by test5 +; End update by CARNet package test5 -- DO NOT DELETE THIS LINE! + + + mohican = the last + +# Begin update by CARNet package test3 -- DO NOT DELETE THIS LINE! +Block inserted by test3 +# End update by CARNet package test3 -- DO NOT DELETE THIS LINE! + +options { + something +more; +# Begin update by CARNet package testChange -- DO NOT DELETE THIS LINE! +test line 22 by testChange +test line 23 by testChange +test line 24 by testChange +test line 25 by testChange +test line 26 by testChange +# End update by CARNet package testChange -- DO NOT DELETE THIS LINE! +} + +# update this + +# Begin update by CARNet package broken +this is for compatibility with older version which did not add + -- DO NOT DELETE THIS LINE! +string after the package name +# End update by CARNet package broken + +# Begin update by CARNet package broken2 + +It's the end of the file and guess what? This line does not end with \n +# Begin update by CARNet package test4 -- DO NOT DELETE THIS LINE! +Block inserted by test4 +# End update by CARNet package test4 -- DO NOT DELETE THIS LINE! diff --git a/test/test8.ok b/test/test8.ok new file mode 100644 index 0000000..1e6e4b7 --- /dev/null +++ b/test/test8.ok @@ -0,0 +1,29 @@ +This is the top of the test file for cp-update maintenance team +so they can check is everything ok with the script. Empty line: + +# Here we have a piece that looks like a comment +; following line says that you should not delete it: + -- DO NOT DELETE THIS LINE! + +[samba] + brasil = de Janeiro + + + mohican = the last + + +options { + something +more; +} + +# update this + +# Begin update by CARNet package broken +this is for compatibility with older version which did not add + -- DO NOT DELETE THIS LINE! +string after the package name +# End update by CARNet package broken + +# Begin update by CARNet package broken2 + +It's the end of the file and guess what? This line does not end with \n