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1 | #!/bin/sh | |
2 | # SPDX-License-Identifier: GPL-2.0 | |
3 | # | |
4 | # This scripts adds local version information from the version | |
5 | # control systems git, mercurial (hg) and subversion (svn). | |
6 | # | |
7 | # If something goes wrong, send a mail the kernel build mailinglist | |
8 | # (see MAINTAINERS) and CC Nico Schottelius | |
9 | # <nico-linuxsetlocalversion -at- schottelius.org>. | |
10 | # | |
11 | # | |
12 | ||
13 | usage() { | |
14 | echo "Usage: $0 [--save-scmversion] [srctree]" >&2 | |
15 | exit 1 | |
16 | } | |
17 | ||
18 | scm_only=false | |
19 | srctree=. | |
20 | if test "$1" = "--save-scmversion"; then | |
21 | scm_only=true | |
22 | shift | |
23 | fi | |
24 | if test $# -gt 0; then | |
25 | srctree=$1 | |
26 | shift | |
27 | fi | |
28 | if test $# -gt 0 -o ! -d "$srctree"; then | |
29 | usage | |
30 | fi | |
31 | ||
32 | scm_version() | |
33 | { | |
34 | local short | |
35 | short=false | |
36 | ||
37 | cd "$srctree" | |
38 | if test -e .scmversion; then | |
39 | cat .scmversion | |
40 | return | |
41 | fi | |
42 | if test "$1" = "--short"; then | |
43 | short=true | |
44 | fi | |
45 | ||
46 | # Check for git and a git repo. | |
47 | if test -z "$(git rev-parse --show-cdup 2>/dev/null)" && | |
48 | head=`git rev-parse --verify --short HEAD 2>/dev/null`; then | |
49 | ||
50 | # If we are at a tagged commit (like "v2.6.30-rc6"), we ignore | |
51 | # it, because this version is defined in the top level Makefile. | |
52 | if [ -z "`git describe --exact-match 2>/dev/null`" ]; then | |
53 | ||
54 | # If only the short version is requested, don't bother | |
55 | # running further git commands | |
56 | if $short; then | |
57 | echo "+" | |
58 | return | |
59 | fi | |
60 | # If we are past a tagged commit (like | |
61 | # "v2.6.30-rc5-302-g72357d5"), we pretty print it. | |
62 | if atag="`git describe 2>/dev/null`"; then | |
63 | echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}' | |
64 | ||
65 | # If we don't have a tag at all we print -g{commitish}. | |
66 | else | |
67 | printf '%s%s' -g $head | |
68 | fi | |
69 | fi | |
70 | ||
71 | # Is this git on svn? | |
72 | if git config --get svn-remote.svn.url >/dev/null; then | |
73 | printf -- '-svn%s' "`git svn find-rev $head`" | |
74 | fi | |
75 | ||
76 | # Check for uncommitted changes | |
77 | if git diff-index --name-only HEAD | grep -qv "^scripts/package"; then | |
78 | printf '%s' -dirty | |
79 | fi | |
80 | ||
81 | # All done with git | |
82 | return | |
83 | fi | |
84 | ||
85 | # Check for mercurial and a mercurial repo. | |
86 | if test -d .hg && hgid=`hg id 2>/dev/null`; then | |
87 | # Do we have an tagged version? If so, latesttagdistance == 1 | |
88 | if [ "`hg log -r . --template '{latesttagdistance}'`" == "1" ]; then | |
89 | id=`hg log -r . --template '{latesttag}'` | |
90 | printf '%s%s' -hg "$id" | |
91 | else | |
92 | tag=`printf '%s' "$hgid" | cut -d' ' -f2` | |
93 | if [ -z "$tag" -o "$tag" = tip ]; then | |
94 | id=`printf '%s' "$hgid" | sed 's/[+ ].*//'` | |
95 | printf '%s%s' -hg "$id" | |
96 | fi | |
97 | fi | |
98 | ||
99 | # Are there uncommitted changes? | |
100 | # These are represented by + after the changeset id. | |
101 | case "$hgid" in | |
102 | *+|*+\ *) printf '%s' -dirty ;; | |
103 | esac | |
104 | ||
105 | # All done with mercurial | |
106 | return | |
107 | fi | |
108 | ||
109 | # Check for svn and a svn repo. | |
110 | if rev=`LANG= LC_ALL= LC_MESSAGES=C svn info 2>/dev/null | grep '^Last Changed Rev'`; then | |
111 | rev=`echo $rev | awk '{print $NF}'` | |
112 | printf -- '-svn%s' "$rev" | |
113 | ||
114 | # All done with svn | |
115 | return | |
116 | fi | |
117 | } | |
118 | ||
119 | collect_files() | |
120 | { | |
121 | local file res | |
122 | ||
123 | for file; do | |
124 | case "$file" in | |
125 | *\~*) | |
126 | continue | |
127 | ;; | |
128 | esac | |
129 | if test -e "$file"; then | |
130 | res="$res$(cat "$file")" | |
131 | fi | |
132 | done | |
133 | echo "$res" | |
134 | } | |
135 | ||
136 | if $scm_only; then | |
137 | if test ! -e .scmversion; then | |
138 | res=$(scm_version) | |
139 | echo "$res" >.scmversion | |
140 | fi | |
141 | exit | |
142 | fi | |
143 | ||
144 | if test -e include/config/auto.conf; then | |
145 | . include/config/auto.conf | |
146 | else | |
147 | echo "Error: kernelrelease not valid - run 'make prepare' to update it" >&2 | |
148 | exit 1 | |
149 | fi | |
150 | ||
151 | # localversion* files in the build and source directory | |
152 | res="$(collect_files localversion*)" | |
153 | if test ! "$srctree" -ef .; then | |
154 | res="$res$(collect_files "$srctree"/localversion*)" | |
155 | fi | |
156 | ||
157 | # CONFIG_LOCALVERSION and LOCALVERSION (if set) | |
158 | res="${res}${CONFIG_LOCALVERSION}${LOCALVERSION}" | |
159 | ||
160 | # scm version string if not at a tagged commit | |
161 | if test "$CONFIG_LOCALVERSION_AUTO" = "y"; then | |
162 | # full scm version string | |
163 | res="$res$(scm_version)" | |
164 | else | |
165 | # append a plus sign if the repository is not in a clean | |
166 | # annotated or signed tagged state (as git describe only | |
167 | # looks at signed or annotated tags - git tag -a/-s) and | |
168 | # LOCALVERSION= is not specified | |
169 | if test "${LOCALVERSION+set}" != "set"; then | |
170 | scm=$(scm_version --short) | |
171 | res="$res${scm:++}" | |
172 | fi | |
173 | fi | |
174 | ||
175 | echo "$res" |