ls-files: fix pathspec display on error

The following sequence of commands reveals an issue with error
reporting of relative paths:

 $ mkdir sub
 $ cd sub
 $ git ls-files --error-unmatch ../bbbbb
 error: pathspec 'b' did not match any file(s) known to git.
 $ git commit --error-unmatch ../bbbbb
 error: pathspec 'b' did not match any file(s) known to git.

This bug is visible only if the normalized path (i.e., the relative
path from the repository root) is longer than the prefix.
Otherwise, the code skips over the normalized path and reads from
an unused memory location which still contains a leftover of the
original command line argument.

So instead, use the existing facilities to deal with relative paths
correctly.

Also fix inconsistency between "checkout" and "commit", e.g.

    $ cd Documentation
    $ git checkout nosuch.txt
    error: pathspec 'Documentation/nosuch.txt' did not match...
    $ git commit nosuch.txt
    error: pathspec 'nosuch.txt' did not match...

by propagating the prefix down the codepath that reports the error.

Signed-off-by: Clemens Buchacher <drizzd@aon.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
6 files changed
tree: fa7e4a84d1918c4c389d6239b6a736818a69288d
  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. po/
  12. ppc/
  13. t/
  14. templates/
  15. vcs-svn/
  16. xdiff/
  17. .gitattributes
  18. .gitignore
  19. .mailmap
  20. abspath.c
  21. aclocal.m4
  22. advice.c
  23. advice.h
  24. alias.c
  25. alloc.c
  26. archive-tar.c
  27. archive-zip.c
  28. archive.c
  29. archive.h
  30. attr.c
  31. attr.h
  32. base85.c
  33. bisect.c
  34. bisect.h
  35. blob.c
  36. blob.h
  37. branch.c
  38. branch.h
  39. builtin.h
  40. bundle.c
  41. bundle.h
  42. cache-tree.c
  43. cache-tree.h
  44. cache.h
  45. check-builtins.sh
  46. check-racy.c
  47. check_bindir
  48. color.c
  49. color.h
  50. combine-diff.c
  51. command-list.txt
  52. commit.c
  53. commit.h
  54. config.c
  55. config.mak.in
  56. configure.ac
  57. connect.c
  58. convert.c
  59. copy.c
  60. COPYING
  61. csum-file.c
  62. csum-file.h
  63. ctype.c
  64. daemon.c
  65. date.c
  66. decorate.c
  67. decorate.h
  68. delta.h
  69. diff-delta.c
  70. diff-lib.c
  71. diff-no-index.c
  72. diff.c
  73. diff.h
  74. diffcore-break.c
  75. diffcore-delta.c
  76. diffcore-order.c
  77. diffcore-pickaxe.c
  78. diffcore-rename.c
  79. diffcore.h
  80. dir.c
  81. dir.h
  82. editor.c
  83. entry.c
  84. environment.c
  85. exec_cmd.c
  86. exec_cmd.h
  87. fast-import.c
  88. fetch-pack.h
  89. fixup-builtins
  90. fsck.c
  91. fsck.h
  92. generate-cmdlist.sh
  93. gettext.c
  94. gettext.h
  95. git-add--interactive.perl
  96. git-am.sh
  97. git-archimport.perl
  98. git-bisect.sh
  99. git-compat-util.h
  100. git-cvsexportcommit.perl
  101. git-cvsimport.perl
  102. git-cvsserver.perl
  103. git-difftool--helper.sh
  104. git-difftool.perl
  105. git-filter-branch.sh
  106. git-instaweb.sh
  107. git-lost-found.sh
  108. git-merge-octopus.sh
  109. git-merge-one-file.sh
  110. git-merge-resolve.sh
  111. git-mergetool--lib.sh
  112. git-mergetool.sh
  113. git-parse-remote.sh
  114. git-pull.sh
  115. git-quiltimport.sh
  116. git-rebase--am.sh
  117. git-rebase--interactive.sh
  118. git-rebase--merge.sh
  119. git-rebase.sh
  120. git-relink.perl
  121. git-remote-testgit.py
  122. git-repack.sh
  123. git-request-pull.sh
  124. git-send-email.perl
  125. git-sh-i18n.sh
  126. git-sh-setup.sh
  127. git-stash.sh
  128. git-submodule.sh
  129. git-svn.perl
  130. GIT-VERSION-GEN
  131. git-web--browse.sh
  132. git.c
  133. git.spec.in
  134. graph.c
  135. graph.h
  136. grep.c
  137. grep.h
  138. hash.c
  139. hash.h
  140. help.c
  141. help.h
  142. hex.c
  143. http-backend.c
  144. http-fetch.c
  145. http-push.c
  146. http-walker.c
  147. http.c
  148. http.h
  149. ident.c
  150. imap-send.c
  151. INSTALL
  152. levenshtein.c
  153. levenshtein.h
  154. LGPL-2.1
  155. list-objects.c
  156. list-objects.h
  157. ll-merge.c
  158. ll-merge.h
  159. lockfile.c
  160. log-tree.c
  161. log-tree.h
  162. mailmap.c
  163. mailmap.h
  164. Makefile
  165. match-trees.c
  166. merge-file.c
  167. merge-file.h
  168. merge-recursive.c
  169. merge-recursive.h
  170. name-hash.c
  171. notes-cache.c
  172. notes-cache.h
  173. notes-merge.c
  174. notes-merge.h
  175. notes.c
  176. notes.h
  177. object.c
  178. object.h
  179. pack-check.c
  180. pack-refs.c
  181. pack-refs.h
  182. pack-revindex.c
  183. pack-revindex.h
  184. pack-write.c
  185. pack.h
  186. pager.c
  187. parse-options.c
  188. parse-options.h
  189. patch-delta.c
  190. patch-ids.c
  191. patch-ids.h
  192. path.c
  193. pkt-line.c
  194. pkt-line.h
  195. preload-index.c
  196. pretty.c
  197. progress.c
  198. progress.h
  199. quote.c
  200. quote.h
  201. reachable.c
  202. reachable.h
  203. read-cache.c
  204. README
  205. reflog-walk.c
  206. reflog-walk.h
  207. refs.c
  208. refs.h
  209. remote-curl.c
  210. remote.c
  211. remote.h
  212. replace_object.c
  213. rerere.c
  214. rerere.h
  215. resolve-undo.c
  216. resolve-undo.h
  217. revision.c
  218. revision.h
  219. run-command.c
  220. run-command.h
  221. send-pack.h
  222. server-info.c
  223. setup.c
  224. sh-i18n--envsubst.c
  225. sha1-array.c
  226. sha1-array.h
  227. sha1-lookup.c
  228. sha1-lookup.h
  229. sha1_file.c
  230. sha1_name.c
  231. shallow.c
  232. shell.c
  233. shortlog.h
  234. show-index.c
  235. sideband.c
  236. sideband.h
  237. sigchain.c
  238. sigchain.h
  239. strbuf.c
  240. strbuf.h
  241. string-list.c
  242. string-list.h
  243. submodule.c
  244. submodule.h
  245. symlinks.c
  246. tag.c
  247. tag.h
  248. tar.h
  249. test-chmtime.c
  250. test-ctype.c
  251. test-date.c
  252. test-delta.c
  253. test-dump-cache-tree.c
  254. test-genrandom.c
  255. test-index-version.c
  256. test-line-buffer.c
  257. test-match-trees.c
  258. test-mktemp.c
  259. test-obj-pool.c
  260. test-parse-options.c
  261. test-path-utils.c
  262. test-run-command.c
  263. test-sha1.c
  264. test-sha1.sh
  265. test-sigchain.c
  266. test-string-pool.c
  267. test-subprocess.c
  268. test-svn-fe.c
  269. test-treap.c
  270. thread-utils.c
  271. thread-utils.h
  272. trace.c
  273. transport-helper.c
  274. transport.c
  275. transport.h
  276. tree-diff.c
  277. tree-walk.c
  278. tree-walk.h
  279. tree.c
  280. tree.h
  281. unimplemented.sh
  282. unpack-trees.c
  283. unpack-trees.h
  284. upload-pack.c
  285. url.c
  286. url.h
  287. usage.c
  288. userdiff.c
  289. userdiff.h
  290. utf8.c
  291. utf8.h
  292. walker.c
  293. walker.h
  294. wrap-for-bin.sh
  295. wrapper.c
  296. write_or_die.c
  297. ws.c
  298. wt-status.c
  299. wt-status.h
  300. xdiff-interface.c
  301. xdiff-interface.h
  302. zlib.c