diff options
-rwxr-xr-x | git-p4.py | 9 | ||||
-rwxr-xr-x | t/t9802-git-p4-filetype.sh | 66 |
2 files changed, 74 insertions, 1 deletions
@@ -2075,7 +2075,14 @@ class P4Sync(Command, P4UserMap): # p4 print on a symlink sometimes contains "target\n"; # if it does, remove the newline data = ''.join(contents) - if data[-1] == '\n': + if not data: + # Some version of p4 allowed creating a symlink that pointed + # to nothing. This causes p4 errors when checking out such + # a change, and errors here too. Work around it by ignoring + # the bad symlink; hopefully a future change fixes it. + print "\nIgnoring empty symlink in %s" % file['depotFile'] + return + elif data[-1] == '\n': contents = [data[:-1]] else: contents = [data] diff --git a/t/t9802-git-p4-filetype.sh b/t/t9802-git-p4-filetype.sh index 94d7be9616..66d3fc91a7 100755 --- a/t/t9802-git-p4-filetype.sh +++ b/t/t9802-git-p4-filetype.sh @@ -267,6 +267,72 @@ test_expect_success SYMLINKS 'ensure p4 symlink parsed correctly' ' ) ' +test_expect_success SYMLINKS 'empty symlink target' ' + ( + # first create the file as a file + cd "$cli" && + >empty-symlink && + p4 add empty-symlink && + p4 submit -d "add empty-symlink as a file" + ) && + ( + # now change it to be a symlink to "target1" + cd "$cli" && + p4 edit empty-symlink && + p4 reopen -t symlink empty-symlink && + rm empty-symlink && + ln -s target1 empty-symlink && + p4 add empty-symlink && + p4 submit -d "make empty-symlink point to target1" + ) && + ( + # Hack the p4 depot to make the symlink point to nothing; + # this should not happen in reality, but shows up + # in p4 repos in the wild. + # + # The sed expression changes this: + # @@ + # text + # @target1 + # @ + # to this: + # @@ + # text + # @@ + # + cd "$db/depot" && + sed "/@target1/{; s/target1/@/; n; d; }" \ + empty-symlink,v >empty-symlink,v.tmp && + mv empty-symlink,v.tmp empty-symlink,v + ) && + ( + # Make sure symlink really is empty. Asking + # p4 to sync here will make it generate errors. + cd "$cli" && + p4 print -q //depot/empty-symlink#2 >out && + test ! -s out + ) && + test_when_finished cleanup_git && + + # make sure git p4 handles it without error + git p4 clone --dest="$git" //depot@all && + + # fix the symlink, make it point to "target2" + ( + cd "$cli" && + p4 open empty-symlink && + rm empty-symlink && + ln -s target2 empty-symlink && + p4 submit -d "make empty-symlink point to target2" + ) && + cleanup_git && + git p4 clone --dest="$git" //depot@all && + ( + cd "$git" && + test $(readlink empty-symlink) = target2 + ) +' + test_expect_success 'kill p4d' ' kill_p4d ' |