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881a87ec | 1 | #!/bin/sh |
2ed1b242 | 2 | # SPDX-License-Identifier: GPL-2.0 |
a7b39185 KM |
3 | # |
4 | # This scripts adds local version information from the version | |
5 | # control systems git, mercurial (hg) and subversion (svn). | |
6 | # | |
a6f47d24 MY |
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 | # | |
a7b39185 | 11 | # |
881a87ec WD |
12 | |
13 | usage() { | |
a7b39185 | 14 | echo "Usage: $0 [--save-scmversion] [srctree]" >&2 |
881a87ec WD |
15 | exit 1 |
16 | } | |
17 | ||
a7b39185 KM |
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 "$1" = "--short"; then | |
43 | short=true | |
44 | fi | |
45 | ||
46 | # Check for git and a git repo. | |
a6f47d24 | 47 | if test -z "$(git rev-parse --show-cdup 2>/dev/null)" && |
2ed1b242 | 48 | head=$(git rev-parse --verify --short HEAD 2>/dev/null); then |
a7b39185 KM |
49 | |
50 | # If we are at a tagged commit (like "v2.6.30-rc6"), we ignore | |
51 | # it, because this version is defined in the top level Makefile. | |
2ed1b242 | 52 | if [ -z "$(git describe --exact-match 2>/dev/null)" ]; then |
a7b39185 KM |
53 | |
54 | # If only the short version is requested, don't bother | |
55 | # running further git commands | |
56 | if $short; then | |
57 | echo "+" | |
58 | return | |
59 | fi | |
60 | # If we are past a tagged commit (like | |
61 | # "v2.6.30-rc5-302-g72357d5"), we pretty print it. | |
2ed1b242 | 62 | if atag="$(git describe 2>/dev/null)"; then |
a7b39185 KM |
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 $head | |
68 | fi | |
69 | fi | |
70 | ||
71 | # Is this git on svn? | |
72 | if git config --get svn-remote.svn.url >/dev/null; then | |
2ed1b242 | 73 | printf -- '-svn%s' "$(git svn find-rev $head)" |
a7b39185 KM |
74 | fi |
75 | ||
2ed1b242 RV |
76 | # Check for uncommitted changes. |
77 | # First, with git-status, but --no-optional-locks is only | |
78 | # supported in git >= 2.14, so fall back to git-diff-index if | |
79 | # it fails. Note that git-diff-index does not refresh the | |
80 | # index, so it may give misleading results. See | |
81 | # git-update-index(1), git-diff-index(1), and git-status(1). | |
82 | if { | |
83 | git --no-optional-locks status -uno --porcelain 2>/dev/null || | |
84 | git diff-index --name-only HEAD | |
85 | } | grep -qvE '^(.. )?scripts/package'; then | |
a7b39185 KM |
86 | printf '%s' -dirty |
87 | fi | |
881a87ec | 88 | |
a7b39185 KM |
89 | # All done with git |
90 | return | |
881a87ec WD |
91 | fi |
92 | ||
a7b39185 | 93 | # Check for mercurial and a mercurial repo. |
2ed1b242 | 94 | if test -d .hg && hgid=$(hg id 2>/dev/null); then |
a7b39185 | 95 | # Do we have an tagged version? If so, latesttagdistance == 1 |
2ed1b242 RV |
96 | if [ "$(hg log -r . --template '{latesttagdistance}')" = "1" ]; then |
97 | id=$(hg log -r . --template '{latesttag}') | |
a7b39185 KM |
98 | printf '%s%s' -hg "$id" |
99 | else | |
2ed1b242 | 100 | tag=$(printf '%s' "$hgid" | cut -d' ' -f2) |
a7b39185 | 101 | if [ -z "$tag" -o "$tag" = tip ]; then |
2ed1b242 | 102 | id=$(printf '%s' "$hgid" | sed 's/[+ ].*//') |
a7b39185 KM |
103 | printf '%s%s' -hg "$id" |
104 | fi | |
105 | fi | |
106 | ||
107 | # Are there uncommitted changes? | |
108 | # These are represented by + after the changeset id. | |
109 | case "$hgid" in | |
110 | *+|*+\ *) printf '%s' -dirty ;; | |
111 | esac | |
112 | ||
113 | # All done with mercurial | |
114 | return | |
881a87ec | 115 | fi |
92bad20a | 116 | |
a7b39185 | 117 | # Check for svn and a svn repo. |
2ed1b242 RV |
118 | if rev=$(LANG= LC_ALL= LC_MESSAGES=C svn info 2>/dev/null | grep '^Last Changed Rev'); then |
119 | rev=$(echo $rev | awk '{print $NF}') | |
a7b39185 KM |
120 | printf -- '-svn%s' "$rev" |
121 | ||
122 | # All done with svn | |
123 | return | |
124 | fi | |
125 | } | |
126 | ||
127 | collect_files() | |
128 | { | |
2ed1b242 | 129 | local file res= |
a7b39185 KM |
130 | |
131 | for file; do | |
132 | case "$file" in | |
133 | *\~*) | |
134 | continue | |
135 | ;; | |
136 | esac | |
137 | if test -e "$file"; then | |
138 | res="$res$(cat "$file")" | |
139 | fi | |
140 | done | |
141 | echo "$res" | |
142 | } | |
143 | ||
144 | if $scm_only; then | |
145 | if test ! -e .scmversion; then | |
146 | res=$(scm_version) | |
147 | echo "$res" >.scmversion | |
92bad20a | 148 | fi |
a7b39185 | 149 | exit |
881a87ec | 150 | fi |
92bad20a | 151 | |
a6f47d24 | 152 | if test -e include/config/auto.conf; then |
81630a3b | 153 | # We are interested only in CONFIG_LOCALVERSION and |
2ed1b242 RV |
154 | # CONFIG_LOCALVERSION_AUTO, so extract these in a safe |
155 | # way (i.e. w/o sourcing auto.conf) | |
60917714 NM |
156 | # xargs echo removes quotes |
157 | CONFIG_LOCALVERSION=`cat include/config/auto.conf | awk -F '=' '/^CONFIG_LOCALVERSION=/ {print $2}' | xargs echo` | |
158 | CONFIG_LOCALVERSION_AUTO=`cat include/config/auto.conf | awk -F '=' '/^CONFIG_LOCALVERSION_AUTO=/ {print $2}' | xargs echo` | |
a6f47d24 | 159 | else |
2ed1b242 | 160 | echo "Error: kernelrelease not valid - run 'make prepare' to update it" >&2 |
a6f47d24 MY |
161 | exit 1 |
162 | fi | |
a7b39185 KM |
163 | |
164 | # localversion* files in the build and source directory | |
165 | res="$(collect_files localversion*)" | |
166 | if test ! "$srctree" -ef .; then | |
167 | res="$res$(collect_files "$srctree"/localversion*)" | |
168 | fi | |
169 | ||
170 | # CONFIG_LOCALVERSION and LOCALVERSION (if set) | |
171 | res="${res}${CONFIG_LOCALVERSION}${LOCALVERSION}" | |
172 | ||
173 | # scm version string if not at a tagged commit | |
174 | if test "$CONFIG_LOCALVERSION_AUTO" = "y"; then | |
175 | # full scm version string | |
176 | res="$res$(scm_version)" | |
177 | else | |
178 | # append a plus sign if the repository is not in a clean | |
179 | # annotated or signed tagged state (as git describe only | |
180 | # looks at signed or annotated tags - git tag -a/-s) and | |
181 | # LOCALVERSION= is not specified | |
182 | if test "${LOCALVERSION+set}" != "set"; then | |
183 | scm=$(scm_version --short) | |
184 | res="$res${scm:++}" | |
185 | fi | |
92bad20a MF |
186 | fi |
187 | ||
a7b39185 | 188 | echo "$res" |