setlocalversion 4.2 KB

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  1. #!/bin/sh
  2. #
  3. # This scripts adds local version information from the version
  4. # control systems git, mercurial (hg) and subversion (svn).
  5. #
  6. # If something goes wrong, send a mail the kernel build mailinglist
  7. # (see MAINTAINERS) and CC Nico Schottelius
  8. # <nico-linuxsetlocalversion -at- schottelius.org>.
  9. #
  10. #
  11. usage() {
  12. echo "Usage: $0 [--save-scmversion] [srctree]" >&2
  13. exit 1
  14. }
  15. scm_only=false
  16. srctree=.
  17. if test "$1" = "--save-scmversion"; then
  18. scm_only=true
  19. shift
  20. fi
  21. if test $# -gt 0; then
  22. srctree=$1
  23. shift
  24. fi
  25. if test $# -gt 0 -o ! -d "$srctree"; then
  26. usage
  27. fi
  28. scm_version()
  29. {
  30. local short
  31. short=false
  32. cd "$srctree"
  33. if test -e .scmversion; then
  34. cat .scmversion
  35. return
  36. fi
  37. if test "$1" = "--short"; then
  38. short=true
  39. fi
  40. # Check for git and a git repo.
  41. if test -z "$(git rev-parse --show-cdup 2>/dev/null)" &&
  42. head=`git rev-parse --verify --short HEAD 2>/dev/null`; then
  43. # If we are at a tagged commit (like "v2.6.30-rc6"), we ignore
  44. # it, because this version is defined in the top level Makefile.
  45. if [ -z "`git describe --exact-match 2>/dev/null`" ]; then
  46. # If only the short version is requested, don't bother
  47. # running further git commands
  48. if $short; then
  49. echo "+"
  50. return
  51. fi
  52. # If we are past a tagged commit (like
  53. # "v2.6.30-rc5-302-g72357d5"), we pretty print it.
  54. if atag="`git describe 2>/dev/null`"; then
  55. echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'
  56. # If we don't have a tag at all we print -g{commitish}.
  57. else
  58. printf '%s%s' -g $head
  59. fi
  60. fi
  61. # Is this git on svn?
  62. if git config --get svn-remote.svn.url >/dev/null; then
  63. printf -- '-svn%s' "`git svn find-rev $head`"
  64. fi
  65. # Check for uncommitted changes
  66. if git diff-index --name-only HEAD | grep -qv "^scripts/package"; then
  67. printf '%s' -dirty
  68. fi
  69. # All done with git
  70. return
  71. fi
  72. # Check for mercurial and a mercurial repo.
  73. if test -d .hg && hgid=`hg id 2>/dev/null`; then
  74. # Do we have an tagged version? If so, latesttagdistance == 1
  75. if [ "`hg log -r . --template '{latesttagdistance}'`" == "1" ]; then
  76. id=`hg log -r . --template '{latesttag}'`
  77. printf '%s%s' -hg "$id"
  78. else
  79. tag=`printf '%s' "$hgid" | cut -d' ' -f2`
  80. if [ -z "$tag" -o "$tag" = tip ]; then
  81. id=`printf '%s' "$hgid" | sed 's/[+ ].*//'`
  82. printf '%s%s' -hg "$id"
  83. fi
  84. fi
  85. # Are there uncommitted changes?
  86. # These are represented by + after the changeset id.
  87. case "$hgid" in
  88. *+|*+\ *) printf '%s' -dirty ;;
  89. esac
  90. # All done with mercurial
  91. return
  92. fi
  93. # Check for svn and a svn repo.
  94. if rev=`LANG= LC_ALL= LC_MESSAGES=C svn info 2>/dev/null | grep '^Last Changed Rev'`; then
  95. rev=`echo $rev | awk '{print $NF}'`
  96. printf -- '-svn%s' "$rev"
  97. # All done with svn
  98. return
  99. fi
  100. }
  101. collect_files()
  102. {
  103. local file res
  104. for file; do
  105. case "$file" in
  106. *\~*)
  107. continue
  108. ;;
  109. esac
  110. if test -e "$file"; then
  111. res="$res$(cat "$file")"
  112. fi
  113. done
  114. echo "$res"
  115. }
  116. if $scm_only; then
  117. if test ! -e .scmversion; then
  118. res=$(scm_version)
  119. echo "$res" >.scmversion
  120. fi
  121. exit
  122. fi
  123. if test -e include/config/auto.conf; then
  124. # We are interested only in CONFIG_LOCALVERSION and
  125. # CONFIG_LOCALVERSION_AUTO, so extract these in a safe
  126. # way (i.e. w/o sourcing auto.conf)
  127. CONFIG_LOCALVERSION=`cat include/config/auto.conf | awk -F '=' '/^CONFIG_LOCALVERSION=/ {print $2}'`
  128. CONFIG_LOCALVERSION_AUTO=`cat include/config/auto.conf | awk -F '=' '/^CONFIG_LOCALVERSION_AUTO=/ {print $2}'`
  129. else
  130. echo "Error: kernelrelease not valid - run 'make prepare' to update it"
  131. exit 1
  132. fi
  133. # localversion* files in the build and source directory
  134. res="$(collect_files localversion*)"
  135. if test ! "$srctree" -ef .; then
  136. res="$res$(collect_files "$srctree"/localversion*)"
  137. fi
  138. # CONFIG_LOCALVERSION and LOCALVERSION (if set)
  139. res="${res}${CONFIG_LOCALVERSION}${LOCALVERSION}"
  140. # scm version string if not at a tagged commit
  141. if test "$CONFIG_LOCALVERSION_AUTO" = "y"; then
  142. # full scm version string
  143. res="$res$(scm_version)"
  144. else
  145. # append a plus sign if the repository is not in a clean
  146. # annotated or signed tagged state (as git describe only
  147. # looks at signed or annotated tags - git tag -a/-s) and
  148. # LOCALVERSION= is not specified
  149. if test "${LOCALVERSION+set}" != "set"; then
  150. scm=$(scm_version --short)
  151. res="$res${scm:++}"
  152. fi
  153. fi
  154. echo "$res"