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comparison mercurial/cmdutil.py @ 38080:dabc2237963c

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crecord: fallback to text mode if diffs are too big for curses mode crecord uses curses.newpad to create a region that we can then scroll around in by moving the main 'screen' as a veiwport into the (probably larger than the actual screen) pad. Internally, at least in ncurses, pads are implemented using windows, which have their dimensions limited to a certain size. Depending on compilation options for ncurses, this size might be pretty small: (signed) short, or it might be larger ((signed) int). crecord wants to have enough room to have all of the contents of the main area of the chunkselector in the pad; this means that the full size with everything expanded must be less than these (undocumented, afaict) limits. It's not easy to write tests for this because the limits are platform- and installation- dependent and undocumented / unqueryable, as far as I can tell. Differential Revision: https://phab.mercurial-scm.org/D3577
author Kyle Lippincott <spectral@google.com>
date Thu, 17 May 2018 23:11:24 -0700
parents 14f4449711b8
children c974320d20b9
comparison
equal deleted inserted replaced
38079:ee7b6fa52d9d 38080:dabc2237963c
195 return wrapwrite(oldwrite, *args, **kwargs) 195 return wrapwrite(oldwrite, *args, **kwargs)
196 setattr(ui, 'write', wrap) 196 setattr(ui, 'write', wrap)
197 return oldwrite 197 return oldwrite
198 198
199 def filterchunks(ui, originalhunks, usecurses, testfile, operation=None): 199 def filterchunks(ui, originalhunks, usecurses, testfile, operation=None):
200 if usecurses: 200 try:
201 if testfile: 201 if usecurses:
202 recordfn = crecordmod.testdecorator(testfile, 202 if testfile:
203 crecordmod.testchunkselector) 203 recordfn = crecordmod.testdecorator(
204 else: 204 testfile, crecordmod.testchunkselector)
205 recordfn = crecordmod.chunkselector 205 else:
206 206 recordfn = crecordmod.chunkselector
207 return crecordmod.filterpatch(ui, originalhunks, recordfn, operation) 207
208 208 return crecordmod.filterpatch(ui, originalhunks, recordfn,
209 else: 209 operation)
210 return patch.filterpatch(ui, originalhunks, operation) 210 except crecordmod.fallbackerror as e:
211 ui.warn('%s\n' % e.message)
212 ui.warn(_('falling back to text mode\n'))
213
214 return patch.filterpatch(ui, originalhunks, operation)
211 215
212 def recordfilter(ui, originalhunks, operation=None): 216 def recordfilter(ui, originalhunks, operation=None):
213 """ Prompts the user to filter the originalhunks and return a list of 217 """ Prompts the user to filter the originalhunks and return a list of
214 selected hunks. 218 selected hunks.
215 *operation* is used for to build ui messages to indicate the user what 219 *operation* is used for to build ui messages to indicate the user what