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Re: possible bug with ignoring directories in module file

From: Mark D. Baushke
Subject: Re: possible bug with ignoring directories in module file
Date: Sun, 22 Aug 2004 23:22:45 -0700

Hi Folks,

Okay, I have coded some tests that exercise Jim's suggested patch to
ignore.c. However, this change will introduce an incompatible behavior
into cvs.

Any comments or objections before I commit this change to the CVSHOME
version of CVS?

        -- Mark

Note to CVSNT devlopers: A similar patch needs should probably be
considered for CVSNT. Altering the src/ignore.c (version 1.21) line:

        if (pathncmp (name, dir_ign_list[i], strlen (dir_ign_list[i]),NULL) == 
to read
        if (pathncmp (name, dir_ign_list[i], strlen (dir_ign_list[i])+1,NULL) 
== 0)

ChangeLog entry:

        * ignore.c (ignore_directory): Include the terminating NUL
        character in the directory name comparison to avoid matching
        substrings of directories by accident.
        (Report and suggested fix from James E Wilson 
        * sanity.sh (modules4): Add some more tests testing the above
Index: src/ignore.c
RCS file: /cvs/ccvs/src/ignore.c,v
retrieving revision 1.48
diff -u -p -r1.48 ignore.c
--- src/ignore.c        19 Apr 2004 19:52:33 -0000      1.48
+++ src/ignore.c        23 Aug 2004 05:52:21 -0000
@@ -324,7 +324,7 @@ ignore_directory (const char *name)
     i = dir_ign_current;
     while (i--)
-       if (strncmp (name, dir_ign_list[i], strlen (dir_ign_list[i])) == 0)
+       if (strncmp (name, dir_ign_list[i], strlen (dir_ign_list[i])+1) == 0)
            return 1;
Index: src/sanity.sh
RCS file: /cvs/ccvs/src/sanity.sh,v
retrieving revision 1.941
diff -u -p -r1.941 sanity.sh
--- src/sanity.sh       21 Aug 2004 05:42:42 -0000      1.941
+++ src/sanity.sh       23 Aug 2004 05:52:22 -0000
@@ -11940,9 +11940,10 @@ initial revision: 1\.1"
 "Directory ${CVSROOT_DIRNAME}/first-dir added to the repository"
          cd first-dir
-          mkdir subdir
-          dotest modules4-3 "${testcvs} add subdir" \
-"Directory ${CVSROOT_DIRNAME}/first-dir/subdir added to the repository"
+          mkdir subdir subdir_long
+          dotest modules4-3 "${testcvs} add subdir subdir_long" \
+"Directory ${CVSROOT_DIRNAME}/first-dir/subdir added to the repository
+Directory ${CVSROOT_DIRNAME}/first-dir/subdir_long added to the repository"
          echo file1 > file1
          dotest modules4-4 "${testcvs} add file1" \
@@ -11954,23 +11955,31 @@ initial revision: 1\.1"
 "${SPROG}"' add: scheduling file `subdir/file2'\'' for addition
 '"${SPROG}"' add: use .'"${SPROG}"' commit. to add this file permanently'
-         dotest modules4-6 "${testcvs} -q ci -m add-it" \
+         echo file3 > subdir_long/file3
+         dotest modules4-6 "${testcvs} add subdir_long/file3" \
+"${SPROG}"' add: scheduling file `subdir_long/file3'\'' for addition
+'"${SPROG}"' add: use .'"${SPROG}"' commit. to add this file permanently'
+         dotest modules4-7 "${testcvs} -q ci -m add-it" \
 "$CVSROOT_DIRNAME/first-dir/file1,v  <--  file1
 initial revision: 1\.1
 ${CVSROOT_DIRNAME}/first-dir/subdir/file2,v  <--  file2
+initial revision: 1\.1
+${CVSROOT_DIRNAME}/first-dir/subdir_long/file3,v  <--  file3
 initial revision: 1\.1"
          cd ..
-         dotest modules4-7 "${testcvs} -q update -d CVSROOT" \
+         dotest modules4-8 "${testcvs} -q update -d CVSROOT" \
          cd CVSROOT
          cat >modules <<EOF
 all -a first-dir
 some -a !first-dir/subdir first-dir
+other -a !first-dir/subdir !first-dir/subdir_long first-dir
 somewhat -a first-dir !first-dir/subdir
-         dotest modules4-8 "${testcvs} -q ci -m add-modules" \
+         dotest modules4-9 "${testcvs} -q ci -m add-modules" \
 "$CVSROOT_DIRNAME/CVSROOT/modules,v  <--  modules
 new revision: 1\.[0-9]*; previous revision: 1\.[0-9]*
 $SPROG commit: Rebuilding administrative file database"
@@ -11979,39 +11988,56 @@ $SPROG commit: Rebuilding administrative
          cd ..
          mkdir 2; cd 2
-         dotest modules4-9 "${testcvs} -q co all" \
+         dotest modules4-10 "${testcvs} -q co all" \
 "U first-dir/file1
-U first-dir/subdir/file2"
+U first-dir/subdir/file2
+U first-dir/subdir_long/file3"
          rm -r first-dir
-         dotest modules4-10 "${testcvs} -q co some" "U first-dir/file1"
-         dotest_fail modules4-11 "test -d first-dir/subdir" ''
+         dotest modules4-11 "${testcvs} -q co some" \
+"U first-dir/file1
+U first-dir/subdir_long/file3"
+         dotest_fail modules4-12 "test -d first-dir/subdir" ''
+         dotest modules4-13 "test -d first-dir/subdir_long" ''
          rm -r first-dir
          if $remote; then
            # But remote seems to do it the other way.
-           dotest modules4-11a "${testcvs} -q co somewhat" "U first-dir/file1"
-           dotest_fail modules4-11b "test -d first-dir/subdir" ''
+           dotest modules4-14r-1 "${testcvs} -q co somewhat" \
+"U first-dir/file1
+U first-dir/subdir_long/file3"
+           dotest_fail modules4-14r-2 "test -d first-dir/subdir" ''
+           dotest modules4-14r-3 "test -d first-dir/subdir_long" ''
            # This is strange behavior, in that the order of the
            # "!first-dir/subdir" and "first-dir" matter, and it isn't
            # clear that they should.  I suspect it is long-standing
            # strange behavior but I haven't verified that.
-           dotest modules4-11a "${testcvs} -q co somewhat" \
+           dotest modules4-14-1 "${testcvs} -q co somewhat" \
 "U first-dir/file1
-U first-dir/subdir/file2"
+U first-dir/subdir/file2
+U first-dir/subdir_long/file3"
+           dotest modules4-14-2 "test -d first-dir/subdir" ''
+           dotest modules4-14-3 "test -d first-dir/subdir_long" ''
          rm -r first-dir
+         dotest modules4-15 "${testcvs} -q co other" \
+"U first-dir/file1"
+         dotest_fail modules4-16 "test -d first-dir/subdir" ''
+         dotest_fail modules4-17 "test -d first-dir/subdir_long" ''
+         rm -r first-dir
          cd ..
          rm -r 2
-         dotest modules4-12 "${testcvs} rtag tag some" \
+         dotest modules4-18 "${testcvs} rtag tag some" \
 "${SPROG} rtag: Tagging first-dir
-${SPROG} rtag: Ignoring first-dir/subdir"
+${SPROG} rtag: Ignoring first-dir/subdir
+${SPROG} rtag: Tagging first-dir/subdir_long"
          cd 1/first-dir/subdir
-         dotest modules4-13 "${testcvs} log file2" "
+         dotest modules4-18 "${testcvs} log file2" "
 RCS file: ${CVSROOT_DIRNAME}/first-dir/subdir/file2,v
 Working file: file2
 head: 1\.1

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