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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 | ||
12 | usage() { | |
13 | echo "Usage: $0 [--save-scmversion] [srctree]" >&2 | |
14 | exit 1 | |
15 | } | |
16 | ||
17 | scm_only=false | |
18 | srctree=. | |
19 | if test "$1" = "--save-scmversion"; then | |
20 | scm_only=true | |
21 | shift | |
22 | fi | |
23 | if test $# -gt 0; then | |
24 | srctree=$1 | |
25 | shift | |
26 | fi | |
27 | if test $# -gt 0 -o ! -d "$srctree"; then | |
28 | usage | |
29 | fi | |
30 | ||
31 | scm_version() | |
32 | { | |
33 | local short | |
34 | short=false | |
35 | ||
36 | cd "$srctree" | |
37 | if test -e .scmversion; then | |
38 | cat .scmversion | |
39 | return | |
40 | fi | |
41 | if test "$1" = "--short"; then | |
42 | short=true | |
43 | fi | |
44 | ||
45 | # Check for git and a git repo. | |
46 | if test -d .git && head=`git rev-parse --verify --short HEAD 2>/dev/null`; then | |
47 | ||
48 | # If we are at a tagged commit (like "v2.6.30-rc6"), we ignore | |
49 | # it, because this version is defined in the top level Makefile. | |
50 | if [ -z "`git describe --exact-match 2>/dev/null`" ]; then | |
51 | ||
52 | # If only the short version is requested, don't bother | |
53 | # running further git commands | |
54 | if $short; then | |
55 | echo "+" | |
56 | return | |
57 | fi | |
58 | # If we are past a tagged commit (like | |
59 | # "v2.6.30-rc5-302-g72357d5"), we pretty print it. | |
60 | if atag="`git describe 2>/dev/null`"; then | |
61 | echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}' | |
62 | ||
63 | # If we don't have a tag at all we print -g{commitish}. | |
64 | else | |
65 | printf '%s%s' -g $head | |
66 | fi | |
67 | fi | |
68 | ||
69 | # Is this git on svn? | |
70 | if git config --get svn-remote.svn.url >/dev/null; then | |
71 | printf -- '-svn%s' "`git svn find-rev $head`" | |
72 | fi | |
73 | ||
74 | # Update index only on r/w media | |
75 | [ -w . ] && git update-index --refresh --unmerged > /dev/null | |
76 | ||
77 | # Check for uncommitted changes | |
78 | if git diff-index --name-only HEAD | grep -v "^scripts/package" \ | |
79 | | read dummy; then | |
80 | printf '%s' -dirty | |
81 | fi | |
82 | ||
83 | # All done with git | |
84 | return | |
85 | fi | |
86 | ||
87 | # Check for mercurial and a mercurial repo. | |
88 | if test -d .hg && hgid=`hg id 2>/dev/null`; then | |
89 | tag=`printf '%s' "$hgid" | cut -s -d' ' -f2` | |
90 | ||
91 | # Do we have an untagged version? | |
92 | if [ -z "$tag" -o "$tag" = tip ]; then | |
93 | id=`printf '%s' "$hgid" | sed 's/[+ ].*//'` | |
94 | printf '%s%s' -hg "$id" | |
95 | fi | |
96 | ||
97 | # Are there uncommitted changes? | |
98 | # These are represented by + after the changeset id. | |
99 | case "$hgid" in | |
100 | *+|*+\ *) printf '%s' -dirty ;; | |
101 | esac | |
102 | ||
103 | # All done with mercurial | |
104 | return | |
105 | fi | |
106 | ||
107 | # Check for svn and a svn repo. | |
108 | if rev=`svn info 2>/dev/null | grep '^Last Changed Rev'`; then | |
109 | rev=`echo $rev | awk '{print $NF}'` | |
110 | printf -- '-svn%s' "$rev" | |
111 | ||
112 | # All done with svn | |
113 | return | |
114 | fi | |
115 | } | |
116 | ||
117 | collect_files() | |
118 | { | |
119 | local file res | |
120 | ||
121 | for file; do | |
122 | case "$file" in | |
123 | *\~*) | |
124 | continue | |
125 | ;; | |
126 | esac | |
127 | if test -e "$file"; then | |
128 | res="$res$(cat "$file")" | |
129 | fi | |
130 | done | |
131 | echo "$res" | |
132 | } | |
133 | ||
134 | if $scm_only; then | |
135 | if test ! -e .scmversion; then | |
136 | res=$(scm_version) | |
137 | echo "$res" >.scmversion | |
138 | fi | |
139 | exit | |
140 | fi | |
141 | ||
142 | if test -e include/config/auto.conf; then | |
143 | . include/config/auto.conf | |
144 | else | |
145 | echo "Error: kernelrelease not valid - run 'make prepare' to update it" | |
146 | exit 1 | |
147 | fi | |
148 | ||
149 | # localversion* files in the build and source directory | |
150 | res="$(collect_files localversion*)" | |
151 | if test ! "$srctree" -ef .; then | |
152 | res="$res$(collect_files "$srctree"/localversion*)" | |
153 | fi | |
154 | ||
155 | # CONFIG_LOCALVERSION and LOCALVERSION (if set) | |
156 | res="${res}${CONFIG_LOCALVERSION}${LOCALVERSION}" | |
157 | ||
158 | # scm version string if not at a tagged commit | |
159 | if test "$CONFIG_LOCALVERSION_AUTO" = "y"; then | |
160 | # full scm version string | |
161 | res="$res$(scm_version)" | |
162 | else | |
163 | # append a plus sign if the repository is not in a clean | |
164 | # annotated or signed tagged state (as git describe only | |
165 | # looks at signed or annotated tags - git tag -a/-s) and | |
166 | # LOCALVERSION= is not specified | |
167 | if test "${LOCALVERSION+set}" != "set"; then | |
168 | scm=$(scm_version --short) | |
169 | res="$res${scm:++}" | |
170 | fi | |
171 | fi | |
172 | ||
173 | echo "$res" |