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Matt Harbison de09629866 scmutil: abort if an empty revision is given to revpair() 
When using 'extdiff --patch' to check the changes in a rebase, 'precursors(x)'
evaluated to an empty set because I forgot the --hidden flag, so the other
revision was used as the replacement for the empty set.  The result was the
patch for the other revision was diffed against itself, and the tool saying
there were no differences.  That's misleading since the expected diff args were
silently changed, so it's better to bail out.

The other uses of scmutil.revpair() are commands.diff and commands.status, and
it doesn't make sense to allow an empty revision there either.  The code here
was suggested by Yuya Nishihara.
2015-10-31 21:45:46 -04:00
..
default.d mergetools.rc: find OSX FileMerge in the new location inside Xcode 4.3 2015-10-16 11:37:34 +02:00
help help: mention alias and revsetalias in description of HGPLAINEXCEPT 2015-10-24 06:59:26 +01:00
hgweb spelling: trivial spell checking 2015-10-17 00:58:46 +02:00
httpclient global: mass rewrite to use modern exception syntax 2015-06-23 22:20:08 -07:00
pure osutil: remove Python 2.4 errno conversion workaround 2015-06-22 10:11:31 -07:00
templates hgweb: escape class keyword when used as a js object property (issue4913) 2015-10-27 12:34:05 +08:00
__init__.py Add back links from file revisions to changeset revisions 2005-05-03 13:16:10 -08:00
ancestor.py ancestor: use absolute_import 2015-08-07 19:45:48 -07:00
archival.py error: get Abort from 'error' instead of 'util' 2015-10-08 12:55:45 -07:00
base85.c base85: fix comparison of an int and a long 2015-08-21 14:29:42 -04:00
bdiff.c bdiff: avoid a memory error on malloc failure 2013-10-30 16:03:42 -05:00
bookmarks.py spelling: trivial spell checking 2015-10-17 00:58:46 +02:00
branchmap.py error: get Abort from 'error' instead of 'util' 2015-10-08 12:55:45 -07:00
bundle2.py bundle2: attribute remote failures to remote (issue4788) 2015-10-24 00:39:22 +01:00
bundlerepo.py bundlerepo: properly extract compressed changegroup from bundle2 2015-10-19 16:01:55 +02:00
byterange.py global: mass rewrite to use modern exception syntax 2015-06-23 22:20:08 -07:00
changegroup.py hook: centralize passing HG_PENDING to external hook process 2015-10-17 01:15:34 +09:00
changelog.py reachableroots: construct and sort baseset in revset module 2015-08-28 11:14:24 +09:00
cmdutil.py spelling: trivial spell checking 2015-10-17 00:58:46 +02:00
commands.py debugrevlog: cope with empty revlog files 2015-10-23 11:04:53 -04:00
commandserver.py error: get Abort from 'error' instead of 'util' 2015-10-08 12:55:45 -07:00
config.py config: use absolute_import 2015-08-08 00:28:53 -07:00
context.py dirstate: make dirstate.write() callers pass transaction object to it 2015-10-17 01:15:34 +09:00
copies.py spelling: trivial spell checking 2015-10-17 00:58:46 +02:00
crecord.py spelling: trivial spell checking 2015-10-17 00:58:46 +02:00
dagparser.py error: get Abort from 'error' instead of 'util' 2015-10-08 12:55:45 -07:00
dagutil.py dagutil: use absolute_import 2015-08-08 19:04:09 -07:00
demandimport.py demandimport: fix TypeError when importing Python regex library (issue4920) 2015-10-28 16:27:09 +01:00
destutil.py destmerge: extract logic based on branch heads in its own function 2015-10-15 03:15:54 +01:00
diffhelpers.c diffhelpers: fix botched return statement from e48d70075d8a 2015-01-28 13:34:20 -05:00
dirs.c dirs._addpath: reinstate use of Py_CLEAR 2015-04-07 20:43:04 -07:00
dirstate.py dirstate: fix invalid reference to self.ui 2015-10-19 12:07:17 -07:00
discovery.py bookmarks: don't allow pushing new head for existing mark with -B (issue4400) 2015-10-21 16:21:27 -05:00
dispatch.py error: get Abort from 'error' instead of 'util' 2015-10-08 12:55:45 -07:00
dummycert.pem ssl: on OS X, use a dummy cert to trick Python/OpenSSL to use system CA certs 2014-09-26 02:19:48 +02:00
encoding.py global: mass rewrite to use modern exception syntax 2015-06-23 22:20:08 -07:00
error.py error: remove superfluous pass statements 2015-10-15 09:52:32 -04:00
exchange.py bundle2: attribute remote failures to remote (issue4788) 2015-10-24 00:39:22 +01:00
exewrapper.c exewrapper: add comments about PYTHONHOME 2015-10-14 12:23:49 +02:00
extensions.py spelling: trivial spell checking 2015-10-17 00:58:46 +02:00
fancyopts.py error: get Abort from 'error' instead of 'util' 2015-10-08 12:55:45 -07:00
filelog.py filelog: use absolute_import 2015-08-08 19:11:42 -07:00
filemerge.py merge-tools: allow marking a mergetool as completely disabled 2015-10-14 12:57:33 -04:00
fileset.py error: get Abort from 'error' instead of 'util' 2015-10-08 12:55:45 -07:00
formatter.py error: get Abort from 'error' instead of 'util' 2015-10-08 12:55:45 -07:00
graphmod.py graphmod: compute slow revset query once prior to reachableroots (issue4782) 2015-09-08 23:00:44 +09:00
hbisect.py error: get Abort from 'error' instead of 'util' 2015-10-08 12:55:45 -07:00
help.py error: get Abort from 'error' instead of 'util' 2015-10-08 12:55:45 -07:00
hg.py spelling: trivial spell checking 2015-10-17 00:58:46 +02:00
hook.py hook: centralize passing HG_PENDING to external hook process 2015-10-17 01:15:34 +09:00
httpconnection.py httpconnection: remove a mutable default argument 2015-09-24 00:54:30 -07:00
httppeer.py error: get Abort from 'error' instead of 'util' 2015-10-08 12:55:45 -07:00
i18n.py i18n: use absolute_import 2015-08-08 19:28:49 -07:00
keepalive.py global: mass rewrite to use modern exception syntax 2015-06-23 22:20:08 -07:00
localrepo.py localrepo: discard objects in _filecache at transaction failure (issue4876) 2015-10-24 18:58:57 +09:00
lock.py lock: add a way to prevent locks from being inherited 2015-10-06 13:13:31 -07:00
lsprof.py profiling: replace '+' markup of nested lines with indentation 2013-02-08 22:54:48 +01:00
lsprofcalltree.py drop unused imports 2009-05-14 15:35:46 +02:00
mail.py mail: drop python 2.5 self.sock.read workaround 2015-10-15 17:24:42 -04:00
manifest.c lazymanifest: prevent leak when updating an entry more than once 2015-04-11 11:56:21 -04:00
manifest.py treemanifest: rework lazy-copying code (issue4840) 2015-09-25 22:54:46 -04:00
match.py spelling: trivial spell checking 2015-10-17 00:58:46 +02:00
mdiff.py error: get Abort from 'error' instead of 'util' 2015-10-08 12:55:45 -07:00
merge.py merge: improve clarity of table in update docstring 2015-10-23 06:06:22 -04:00
minirst.py spelling: trivial spell checking 2015-10-17 00:58:46 +02:00
mpatch.c mpatch: rewrite pointer overflow checks 2013-12-11 18:33:42 -06:00
namespaces.py namespaces: use absolute_import 2015-08-08 19:42:58 -07:00
node.py node: use absolute_import 2015-08-08 19:43:24 -07:00
obsolete.py obsstore: make the readonly attribute accessible 2015-10-15 12:45:34 +01:00
osutil.c osutil: mark end of string with null char, not 0 2015-03-25 16:21:58 -07:00
parser.py parser: move unescape helper from templater 2015-09-10 23:25:10 +09:00
parsers.c parsers: suppress warning of signed and unsigned comparison at nt_init 2015-10-18 09:05:04 +09:00
patch.py spelling: trivial spell checking 2015-10-17 00:58:46 +02:00
pathencode.c pathencode: check result of .digest() method in sha1hash 2015-08-18 16:32:41 -04:00
pathutil.py error: get Abort from 'error' instead of 'util' 2015-10-08 12:55:45 -07:00
peer.py peer: use absolute_import 2015-08-08 19:45:45 -07:00
phases.py error: get Abort from 'error' instead of 'util' 2015-10-08 12:55:45 -07:00
posix.py posix: shellquote do not require quoting for "+" (issue4818) 2015-09-04 11:15:02 -04:00
progress.py spelling: trivial spell checking 2015-10-17 00:58:46 +02:00
pushkey.py pushkey: use absolute_import 2015-08-08 19:57:27 -07:00
pvec.py pvec: replace 'ctx._repo' with 'ctx.repo()' 2015-03-12 23:18:20 -04:00
py3kcompat.py py3kcompat: drop unused export 2014-05-13 15:22:36 -05:00
repair.py strip: pass source and url to bundle2 processing 2015-10-20 16:01:33 +02:00
repoview.py repoview: use absolute_import 2015-08-08 19:58:05 -07:00
revlog.py revlog: rename bundle to cg to reflect its nature as a cg?unpacker 2015-10-14 11:32:33 -04:00
revset.py l10n: use %d instead of %s for numbers 2015-10-14 22:29:03 -04:00
scmposix.py config: don't read the same config file twice 2014-09-04 21:36:35 +02:00
scmutil.py scmutil: abort if an empty revision is given to revpair() 2015-10-31 21:45:46 -04:00
scmwindows.py windows: read all global config files, not just the first (issue4491) (BC) 2015-10-12 20:13:12 +02:00
setdiscovery.py error: get Abort from 'error' instead of 'util' 2015-10-08 12:55:45 -07:00
similar.py cleanup: eradicate long lines 2012-05-12 15:54:54 +02:00
simplemerge.py simplemerge: move conflict warning message to filemerge 2015-10-09 13:54:52 -07:00
sshpeer.py spelling: trivial spell checking 2015-10-17 00:58:46 +02:00
sshserver.py error: get Abort from 'error' instead of 'util' 2015-10-08 12:55:45 -07:00
sslutil.py error: get Abort from 'error' instead of 'util' 2015-10-08 12:55:45 -07:00
statichttprepo.py error: get Abort from 'error' instead of 'util' 2015-10-08 12:55:45 -07:00
store.py l10n: use %d instead of %s for numbers 2015-10-14 22:29:03 -04:00
streamclone.py streamclone: support for producing and consuming stream clone bundles 2015-10-17 11:14:52 -07:00
strutil.py strutil: use absolute_import 2015-08-08 20:01:40 -07:00
subrepo.py spelling: trivial spell checking 2015-10-17 00:58:46 +02:00
tagmerge.py tagmerge: use absolute_import 2015-08-08 20:10:46 -07:00
tags.py tags: use absolute_import 2015-08-08 20:16:56 -07:00
templatefilters.py templater: port localdate filter to a function 2015-09-01 19:15:16 +09:00
templatekw.py templatekw: add {changes}, {distance} and {tag} to the {latesttag} keyword 2015-08-24 23:30:17 -04:00
templater.py error: get Abort from 'error' instead of 'util' 2015-10-08 12:55:45 -07:00
transaction.py spelling: fix typo in transaction error messages 2015-10-17 15:28:02 -05:00
treediscovery.py error: get Abort from 'error' instead of 'util' 2015-10-08 12:55:45 -07:00
ui.py ui: support paths.default-push without paths.default set (issue4914) 2015-10-22 18:59:03 +00:00
unionrepo.py error: get Abort from 'error' instead of 'util' 2015-10-08 12:55:45 -07:00
url.py url: drop support for python2.5 2015-10-15 17:21:08 -04:00
util.h util: fix the check for non-C99 compilers (issue4605) 2015-04-20 22:21:57 -05:00
util.py util: also catch IndexError 2015-10-13 16:05:30 -07:00
verify.py error: get Abort from 'error' instead of 'util' 2015-10-08 12:55:45 -07:00
win32.py win32: use absolute_import 2015-08-08 18:52:59 -07:00
windows.py windows: insert file positioning call between reads and writes 2015-09-27 18:46:53 -07:00
wireproto.py exchange: advertise if a clone bundle was attempted 2015-10-14 10:36:20 -07:00
worker.py error: get Abort from 'error' instead of 'util' 2015-10-08 12:55:45 -07:00