Merge branch 'jn/test-prereq-perl-doc' into maint

The interaction between use of Perl in our test suite and NO_PERL
has been clarified a bit.

* jn/test-prereq-perl-doc:
  t/README: tests can use perl even with NO_PERL
tree: d199a9afc37c8d107c1ec0410cba5aafe3d2db94
  1. block-sha1/
  2. builtin/
  3. compat/
  4. contrib/
  5. Documentation/
  6. git-gui/
  7. git_remote_helpers/
  8. gitk-git/
  9. gitweb/
  10. mergetools/
  11. perl/
  12. po/
  13. ppc/
  14. t/
  15. templates/
  16. vcs-svn/
  17. xdiff/
  18. .gitattributes
  19. .gitignore
  20. .mailmap
  21. abspath.c
  22. aclocal.m4
  23. advice.c
  24. advice.h
  25. alias.c
  26. alloc.c
  27. archive-tar.c
  28. archive-zip.c
  29. archive.c
  30. archive.h
  31. argv-array.c
  32. argv-array.h
  33. attr.c
  34. attr.h
  35. base85.c
  36. bisect.c
  37. bisect.h
  38. blob.c
  39. blob.h
  40. branch.c
  41. branch.h
  42. builtin.h
  43. bulk-checkin.c
  44. bulk-checkin.h
  45. bundle.c
  46. bundle.h
  47. cache-tree.c
  48. cache-tree.h
  49. cache.h
  50. check-builtins.sh
  51. check-racy.c
  52. check_bindir
  53. color.c
  54. color.h
  55. column.c
  56. column.h
  57. combine-diff.c
  58. command-list.txt
  59. commit-slab.h
  60. commit.c
  61. commit.h
  62. config.c
  63. config.mak.in
  64. config.mak.uname
  65. configure.ac
  66. connect.c
  67. connected.c
  68. connected.h
  69. convert.c
  70. convert.h
  71. copy.c
  72. COPYING
  73. credential-cache--daemon.c
  74. credential-cache.c
  75. credential-store.c
  76. credential.c
  77. credential.h
  78. csum-file.c
  79. csum-file.h
  80. ctype.c
  81. daemon.c
  82. date.c
  83. decorate.c
  84. decorate.h
  85. delta.h
  86. diff-delta.c
  87. diff-lib.c
  88. diff-no-index.c
  89. diff.c
  90. diff.h
  91. diffcore-break.c
  92. diffcore-delta.c
  93. diffcore-order.c
  94. diffcore-pickaxe.c
  95. diffcore-rename.c
  96. diffcore.h
  97. dir.c
  98. dir.h
  99. editor.c
  100. entry.c
  101. environment.c
  102. exec_cmd.c
  103. exec_cmd.h
  104. fast-import.c
  105. fetch-pack.c
  106. fetch-pack.h
  107. fmt-merge-msg.h
  108. fsck.c
  109. fsck.h
  110. generate-cmdlist.sh
  111. gettext.c
  112. gettext.h
  113. git-add--interactive.perl
  114. git-am.sh
  115. git-archimport.perl
  116. git-bisect.sh
  117. git-compat-util.h
  118. git-cvsexportcommit.perl
  119. git-cvsimport.perl
  120. git-cvsserver.perl
  121. git-difftool--helper.sh
  122. git-difftool.perl
  123. git-filter-branch.sh
  124. git-instaweb.sh
  125. git-lost-found.sh
  126. git-merge-octopus.sh
  127. git-merge-one-file.sh
  128. git-merge-resolve.sh
  129. git-mergetool--lib.sh
  130. git-mergetool.sh
  131. git-p4.py
  132. git-parse-remote.sh
  133. git-pull.sh
  134. git-quiltimport.sh
  135. git-rebase--am.sh
  136. git-rebase--interactive.sh
  137. git-rebase--merge.sh
  138. git-rebase.sh
  139. git-relink.perl
  140. git-remote-testgit.sh
  141. git-remote-testpy.py
  142. git-repack.sh
  143. git-request-pull.sh
  144. git-send-email.perl
  145. git-sh-i18n.sh
  146. git-sh-setup.sh
  147. git-stash.sh
  148. git-submodule.sh
  149. git-svn.perl
  150. GIT-VERSION-GEN
  151. git-web--browse.sh
  152. git.c
  153. git.rc
  154. git.spec.in
  155. gpg-interface.c
  156. gpg-interface.h
  157. graph.c
  158. graph.h
  159. grep.c
  160. grep.h
  161. hash.c
  162. hash.h
  163. help.c
  164. help.h
  165. hex.c
  166. http-backend.c
  167. http-fetch.c
  168. http-push.c
  169. http-walker.c
  170. http.c
  171. http.h
  172. ident.c
  173. imap-send.c
  174. INSTALL
  175. kwset.c
  176. kwset.h
  177. levenshtein.c
  178. levenshtein.h
  179. LGPL-2.1
  180. line-log.c
  181. line-log.h
  182. line-range.c
  183. line-range.h
  184. list-objects.c
  185. list-objects.h
  186. ll-merge.c
  187. ll-merge.h
  188. lockfile.c
  189. log-tree.c
  190. log-tree.h
  191. mailmap.c
  192. mailmap.h
  193. Makefile
  194. match-trees.c
  195. merge-blobs.c
  196. merge-blobs.h
  197. merge-recursive.c
  198. merge-recursive.h
  199. merge.c
  200. mergesort.c
  201. mergesort.h
  202. name-hash.c
  203. notes-cache.c
  204. notes-cache.h
  205. notes-merge.c
  206. notes-merge.h
  207. notes-utils.c
  208. notes-utils.h
  209. notes.c
  210. notes.h
  211. object.c
  212. object.h
  213. pack-check.c
  214. pack-revindex.c
  215. pack-revindex.h
  216. pack-write.c
  217. pack.h
  218. pager.c
  219. parse-options-cb.c
  220. parse-options.c
  221. parse-options.h
  222. patch-delta.c
  223. patch-ids.c
  224. patch-ids.h
  225. path.c
  226. pathspec.c
  227. pathspec.h
  228. pkt-line.c
  229. pkt-line.h
  230. preload-index.c
  231. pretty.c
  232. prio-queue.c
  233. prio-queue.h
  234. progress.c
  235. progress.h
  236. prompt.c
  237. prompt.h
  238. quote.c
  239. quote.h
  240. reachable.c
  241. reachable.h
  242. read-cache.c
  243. README
  244. reflog-walk.c
  245. reflog-walk.h
  246. refs.c
  247. refs.h
  248. remote-curl.c
  249. remote-testsvn.c
  250. remote.c
  251. remote.h
  252. replace_object.c
  253. rerere.c
  254. rerere.h
  255. resolve-undo.c
  256. resolve-undo.h
  257. revision.c
  258. revision.h
  259. run-command.c
  260. run-command.h
  261. send-pack.c
  262. send-pack.h
  263. sequencer.c
  264. sequencer.h
  265. server-info.c
  266. setup.c
  267. sh-i18n--envsubst.c
  268. sha1-array.c
  269. sha1-array.h
  270. sha1-lookup.c
  271. sha1-lookup.h
  272. sha1_file.c
  273. sha1_name.c
  274. shallow.c
  275. shell.c
  276. shortlog.h
  277. show-index.c
  278. sideband.c
  279. sideband.h
  280. sigchain.c
  281. sigchain.h
  282. strbuf.c
  283. strbuf.h
  284. streaming.c
  285. streaming.h
  286. string-list.c
  287. string-list.h
  288. submodule.c
  289. submodule.h
  290. symlinks.c
  291. tag.c
  292. tag.h
  293. tar.h
  294. test-chmtime.c
  295. test-ctype.c
  296. test-date.c
  297. test-delta.c
  298. test-dump-cache-tree.c
  299. test-genrandom.c
  300. test-index-version.c
  301. test-line-buffer.c
  302. test-match-trees.c
  303. test-mergesort.c
  304. test-mktemp.c
  305. test-parse-options.c
  306. test-path-utils.c
  307. test-prio-queue.c
  308. test-read-cache.c
  309. test-regex.c
  310. test-revision-walking.c
  311. test-run-command.c
  312. test-scrap-cache-tree.c
  313. test-sha1.c
  314. test-sha1.sh
  315. test-sigchain.c
  316. test-string-list.c
  317. test-subprocess.c
  318. test-svn-fe.c
  319. test-wildmatch.c
  320. thread-utils.c
  321. thread-utils.h
  322. trace.c
  323. transport-helper.c
  324. transport.c
  325. transport.h
  326. tree-diff.c
  327. tree-walk.c
  328. tree-walk.h
  329. tree.c
  330. tree.h
  331. unimplemented.sh
  332. unix-socket.c
  333. unix-socket.h
  334. unpack-trees.c
  335. unpack-trees.h
  336. upload-pack.c
  337. url.c
  338. url.h
  339. usage.c
  340. userdiff.c
  341. userdiff.h
  342. utf8.c
  343. utf8.h
  344. varint.c
  345. varint.h
  346. version.c
  347. version.h
  348. walker.c
  349. walker.h
  350. wildmatch.c
  351. wildmatch.h
  352. wrap-for-bin.sh
  353. wrapper.c
  354. write_or_die.c
  355. ws.c
  356. wt-status.c
  357. wt-status.h
  358. xdiff-interface.c
  359. xdiff-interface.h
  360. zlib.c