git-diff-*: support "-u" as a synonym for "-p"

I'm probably not the only one whose fingers have gotten hard-wired to
use "-u" for "unified diff".
3 files changed
tree: 82bd6a6997dd6a7e5442a2cc306bb0feaf7e8ea0
  1. Documentation/
  2. mozilla-sha1/
  3. ppc/
  4. t/
  5. apply.c
  6. blob.c
  7. blob.h
  8. cache.h
  9. cat-file.c
  10. check-files.c
  11. checkout-cache.c
  12. clone-pack.c
  13. commit-tree.c
  14. commit.c
  15. commit.h
  16. connect.c
  17. convert-cache.c
  18. COPYING
  19. count-delta.c
  20. count-delta.h
  21. csum-file.c
  22. csum-file.h
  23. date.c
  24. delta.h
  25. diff-cache.c
  26. diff-delta.c
  27. diff-files.c
  28. diff-helper.c
  29. diff-stages.c
  30. diff-tree.c
  31. diff.c
  32. diff.h
  33. diffcore-break.c
  34. diffcore-order.c
  35. diffcore-pathspec.c
  36. diffcore-pickaxe.c
  37. diffcore-rename.c
  38. diffcore.h
  39. entry.c
  40. epoch.c
  41. epoch.h
  42. export.c
  43. fetch-pack.c
  44. fsck-cache.c
  45. get-tar-commit-id.c
  46. git
  47. git-add-script
  48. git-apply-patch-script
  49. git-checkout-script
  50. git-cherry
  51. git-clone-script
  52. git-commit-script
  53. git-cvsimport-script
  54. git-diff-script
  55. git-external-diff-script
  56. git-fetch-script
  57. git-format-patch-script
  58. git-log-script
  59. git-merge-one-file-script
  60. git-prune-script
  61. git-pull-script
  62. git-rebase-script
  63. git-relink-script
  64. git-repack-script
  65. git-reset-script
  66. git-resolve-script
  67. git-shortlog
  68. git-status-script
  69. git-tag-script
  70. git-verify-tag-script
  71. git-whatchanged
  72. git.spec.in
  73. gitenv.c
  74. gitk
  75. http-pull.c
  76. index.c
  77. init-db.c
  78. INSTALL
  79. local-pull.c
  80. ls-files.c
  81. ls-tree.c
  82. Makefile
  83. merge-base.c
  84. merge-cache.c
  85. mktag.c
  86. object.c
  87. object.h
  88. pack-check.c
  89. pack-objects.c
  90. pack.h
  91. patch-delta.c
  92. patch-id.c
  93. pkt-line.c
  94. pkt-line.h
  95. prune-packed.c
  96. pull.c
  97. pull.h
  98. read-cache.c
  99. read-tree.c
  100. README
  101. receive-pack.c
  102. refs.c
  103. refs.h
  104. rev-list.c
  105. rev-parse.c
  106. rev-tree.c
  107. rsh.c
  108. rsh.h
  109. send-pack.c
  110. sha1_file.c
  111. show-index.c
  112. ssh-pull.c
  113. ssh-push.c
  114. strbuf.c
  115. strbuf.h
  116. stripspace.c
  117. tag.c
  118. tag.h
  119. tar-tree.c
  120. test-date.c
  121. test-delta.c
  122. tree.c
  123. tree.h
  124. unpack-file.c
  125. unpack-objects.c
  126. update-cache.c
  127. upload-pack.c
  128. usage.c
  129. verify-pack.c
  130. write-blob.c
  131. write-tree.c