cherry-pick, revert: add a label for ancestor

When writing conflict hunks in ‘diff3 -m’ format, also add a label to
the common ancestor.  Especially in a cherry-pick, it is not immediately
obvious without such a label what the common ancestor represents.

git rerere does not have trouble parsing the new output and its preimage
ids are unchanged since it includes its own code for recreating conflict
hunks.  No other code in git parses conflict hunks.

Requested-by: Stefan Monnier <monnier@iro.umontreal.ca>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2 files changed
tree: baf1f251aad5ba058643a67edba4885c1bbe9144
  1. block-sha1/
  2. builtin/
  3. compat/
  4. contrib/
  5. Documentation/
  6. git-gui/
  7. git_remote_helpers/
  8. gitk-git/
  9. gitweb/
  10. perl/
  11. ppc/
  12. t/
  13. templates/
  14. xdiff/
  15. .gitattributes
  16. .gitignore
  17. .mailmap
  18. abspath.c
  19. advice.c
  20. advice.h
  21. alias.c
  22. alloc.c
  23. archive-tar.c
  24. archive-zip.c
  25. archive.c
  26. archive.h
  27. attr.c
  28. attr.h
  29. base85.c
  30. bisect.c
  31. bisect.h
  32. blob.c
  33. blob.h
  34. branch.c
  35. branch.h
  36. builtin.h
  37. bundle.c
  38. bundle.h
  39. cache-tree.c
  40. cache-tree.h
  41. cache.h
  42. check-builtins.sh
  43. check-racy.c
  44. check_bindir
  45. color.c
  46. color.h
  47. combine-diff.c
  48. command-list.txt
  49. commit.c
  50. commit.h
  51. config.c
  52. config.mak.in
  53. configure.ac
  54. connect.c
  55. convert.c
  56. copy.c
  57. COPYING
  58. csum-file.c
  59. csum-file.h
  60. ctype.c
  61. daemon.c
  62. date.c
  63. decorate.c
  64. decorate.h
  65. delta.h
  66. diff-delta.c
  67. diff-lib.c
  68. diff-no-index.c
  69. diff.c
  70. diff.h
  71. diffcore-break.c
  72. diffcore-delta.c
  73. diffcore-order.c
  74. diffcore-pickaxe.c
  75. diffcore-rename.c
  76. diffcore.h
  77. dir.c
  78. dir.h
  79. editor.c
  80. entry.c
  81. environment.c
  82. exec_cmd.c
  83. exec_cmd.h
  84. fast-import.c
  85. fetch-pack.h
  86. fixup-builtins
  87. fsck.c
  88. fsck.h
  89. generate-cmdlist.sh
  90. git-add--interactive.perl
  91. git-am.sh
  92. git-archimport.perl
  93. git-bisect.sh
  94. git-compat-util.h
  95. git-cvsexportcommit.perl
  96. git-cvsimport.perl
  97. git-cvsserver.perl
  98. git-difftool--helper.sh
  99. git-difftool.perl
  100. git-filter-branch.sh
  101. git-instaweb.sh
  102. git-lost-found.sh
  103. git-merge-octopus.sh
  104. git-merge-one-file.sh
  105. git-merge-resolve.sh
  106. git-mergetool--lib.sh
  107. git-mergetool.sh
  108. git-parse-remote.sh
  109. git-pull.sh
  110. git-quiltimport.sh
  111. git-rebase--interactive.sh
  112. git-rebase.sh
  113. git-relink.perl
  114. git-repack.sh
  115. git-request-pull.sh
  116. git-send-email.perl
  117. git-sh-setup.sh
  118. git-stash.sh
  119. git-submodule.sh
  120. git-svn.perl
  121. GIT-VERSION-GEN
  122. git-web--browse.sh
  123. git.c
  124. git.spec.in
  125. graph.c
  126. graph.h
  127. grep.c
  128. grep.h
  129. hash.c
  130. hash.h
  131. help.c
  132. help.h
  133. hex.c
  134. http-backend.c
  135. http-fetch.c
  136. http-push.c
  137. http-walker.c
  138. http.c
  139. http.h
  140. ident.c
  141. imap-send.c
  142. INSTALL
  143. levenshtein.c
  144. levenshtein.h
  145. list-objects.c
  146. list-objects.h
  147. ll-merge.c
  148. ll-merge.h
  149. lockfile.c
  150. log-tree.c
  151. log-tree.h
  152. mailmap.c
  153. mailmap.h
  154. Makefile
  155. match-trees.c
  156. merge-file.c
  157. merge-recursive.c
  158. merge-recursive.h
  159. name-hash.c
  160. notes.c
  161. notes.h
  162. object.c
  163. object.h
  164. pack-check.c
  165. pack-refs.c
  166. pack-refs.h
  167. pack-revindex.c
  168. pack-revindex.h
  169. pack-write.c
  170. pack.h
  171. pager.c
  172. parse-options.c
  173. parse-options.h
  174. patch-delta.c
  175. patch-ids.c
  176. patch-ids.h
  177. path.c
  178. pkt-line.c
  179. pkt-line.h
  180. preload-index.c
  181. pretty.c
  182. progress.c
  183. progress.h
  184. quote.c
  185. quote.h
  186. reachable.c
  187. reachable.h
  188. read-cache.c
  189. README
  190. reflog-walk.c
  191. reflog-walk.h
  192. refs.c
  193. refs.h
  194. remote-curl.c
  195. remote.c
  196. remote.h
  197. replace_object.c
  198. rerere.c
  199. rerere.h
  200. resolve-undo.c
  201. resolve-undo.h
  202. revision.c
  203. revision.h
  204. run-command.c
  205. run-command.h
  206. send-pack.h
  207. server-info.c
  208. setup.c
  209. sha1-lookup.c
  210. sha1-lookup.h
  211. sha1_file.c
  212. sha1_name.c
  213. shallow.c
  214. shell.c
  215. shortlog.h
  216. show-index.c
  217. sideband.c
  218. sideband.h
  219. sigchain.c
  220. sigchain.h
  221. strbuf.c
  222. strbuf.h
  223. string-list.c
  224. string-list.h
  225. submodule.c
  226. submodule.h
  227. symlinks.c
  228. tag.c
  229. tag.h
  230. tar.h
  231. test-chmtime.c
  232. test-ctype.c
  233. test-date.c
  234. test-delta.c
  235. test-dump-cache-tree.c
  236. test-genrandom.c
  237. test-index-version.c
  238. test-match-trees.c
  239. test-parse-options.c
  240. test-path-utils.c
  241. test-run-command.c
  242. test-sha1.c
  243. test-sha1.sh
  244. test-sigchain.c
  245. thread-utils.c
  246. thread-utils.h
  247. trace.c
  248. transport-helper.c
  249. transport.c
  250. transport.h
  251. tree-diff.c
  252. tree-walk.c
  253. tree-walk.h
  254. tree.c
  255. tree.h
  256. unimplemented.sh
  257. unpack-trees.c
  258. unpack-trees.h
  259. upload-pack.c
  260. usage.c
  261. userdiff.c
  262. userdiff.h
  263. utf8.c
  264. utf8.h
  265. walker.c
  266. walker.h
  267. wrap-for-bin.sh
  268. wrapper.c
  269. write_or_die.c
  270. ws.c
  271. wt-status.c
  272. wt-status.h
  273. xdiff-interface.c
  274. xdiff-interface.h