Commit | Line | Data |
---|---|---|
117a93db | 1 | #!/bin/sh |
b2441318 | 2 | # SPDX-License-Identifier: GPL-2.0 |
33252572 NS |
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 | # | |
aaebf433 | 12 | |
117a93db | 13 | usage() { |
05e96e96 | 14 | echo "Usage: $0 [--no-local] [srctree]" >&2 |
117a93db | 15 | exit 1 |
aaebf433 RA |
16 | } |
17 | ||
05e96e96 MY |
18 | no_local=false |
19 | if test "$1" = "--no-local"; then | |
20 | no_local=true | |
21 | shift | |
22 | fi | |
23 | ||
09155120 | 24 | srctree=. |
09155120 MM |
25 | if test $# -gt 0; then |
26 | srctree=$1 | |
27 | shift | |
28 | fi | |
29 | if test $# -gt 0 -o ! -d "$srctree"; then | |
30 | usage | |
31 | fi | |
aaebf433 | 32 | |
09155120 MM |
33 | scm_version() |
34 | { | |
05e96e96 MY |
35 | local short=false |
36 | local no_dirty=false | |
6ab7e1f9 | 37 | local tag |
05e96e96 MY |
38 | |
39 | while [ $# -gt 0 ]; | |
40 | do | |
41 | case "$1" in | |
42 | --short) | |
43 | short=true;; | |
44 | --no-dirty) | |
45 | no_dirty=true;; | |
46 | esac | |
47 | shift | |
48 | done | |
33252572 | 49 | |
09155120 | 50 | cd "$srctree" |
33252572 | 51 | |
75280bdf MY |
52 | if test -n "$(git rev-parse --show-cdup 2>/dev/null)"; then |
53 | return | |
54 | fi | |
09155120 | 55 | |
75280bdf MY |
56 | if ! head=$(git rev-parse --verify HEAD 2>/dev/null); then |
57 | return | |
58 | fi | |
09155120 | 59 | |
6ab7e1f9 MY |
60 | # If a localversion*' file and the corresponding annotated tag exist, |
61 | # use it. This is the case in linux-next. | |
62 | tag=${file_localversion#-} | |
63 | tag=$(git describe --exact-match --match=$tag $tag 2>/dev/null) | |
64 | ||
65 | # Otherwise, default to the annotated tag derived from KERNELVERSION. | |
66 | # mainline kernel: 6.2.0-rc5 -> v6.2-rc5 | |
67 | # stable kernel: 6.1.7 -> v6.1.7 | |
68 | if [ -z "${tag}" ]; then | |
69 | tag=v$(echo "${KERNELVERSION}" | sed -E 's/^([0-9]+\.[0-9]+)\.0(.*)$/\1\2/') | |
70 | fi | |
71 | ||
72 | # If we are at the tagged commit, we ignore it because the version is | |
73 | # well-defined. | |
74 | if [ -z "$(git describe --exact-match --match=$tag 2>/dev/null)" ]; then | |
630ff0fa | 75 | |
75280bdf MY |
76 | # If only the short version is requested, don't bother |
77 | # running further git commands | |
78 | if $short; then | |
79 | echo "+" | |
80 | return | |
09155120 | 81 | fi |
6ab7e1f9 MY |
82 | # If we are past the tagged commit, we pretty print it. |
83 | # (like 6.1.0-14595-g292a089d78d3) | |
84 | if atag="$(git describe --match=$tag 2>/dev/null)"; then | |
75280bdf | 85 | echo "$atag" | awk -F- '{printf("-%05d", $(NF-1))}' |
09155120 | 86 | fi |
75280bdf MY |
87 | |
88 | # Add -g and exactly 12 hex chars. | |
89 | printf '%s%s' -g "$(echo $head | cut -c1-12)" | |
90 | fi | |
91 | ||
05e96e96 MY |
92 | if ${no_dirty}; then |
93 | return | |
94 | fi | |
95 | ||
75280bdf MY |
96 | # Check for uncommitted changes. |
97 | # This script must avoid any write attempt to the source tree, which | |
98 | # might be read-only. | |
99 | # You cannot use 'git describe --dirty' because it tries to create | |
100 | # .git/index.lock . | |
101 | # First, with git-status, but --no-optional-locks is only supported in | |
102 | # git >= 2.14, so fall back to git-diff-index if it fails. Note that | |
103 | # git-diff-index does not refresh the index, so it may give misleading | |
104 | # results. | |
105 | # See git-update-index(1), git-diff-index(1), and git-status(1). | |
106 | if { | |
107 | git --no-optional-locks status -uno --porcelain 2>/dev/null || | |
108 | git diff-index --name-only HEAD | |
109 | } | read dummy; then | |
110 | printf '%s' -dirty | |
09155120 MM |
111 | fi |
112 | } | |
113 | ||
114 | collect_files() | |
115 | { | |
7a82e3fa | 116 | local file res= |
09155120 MM |
117 | |
118 | for file; do | |
119 | case "$file" in | |
120 | *\~*) | |
121 | continue | |
122 | ;; | |
123 | esac | |
124 | if test -e "$file"; then | |
125 | res="$res$(cat "$file")" | |
126 | fi | |
127 | done | |
128 | echo "$res" | |
129 | } | |
130 | ||
ec31f868 MY |
131 | if [ -z "${KERNELVERSION}" ]; then |
132 | echo "KERNELVERSION is not set" >&2 | |
133 | exit 1 | |
134 | fi | |
135 | ||
09155120 | 136 | # localversion* files in the build and source directory |
eed36d77 | 137 | file_localversion="$(collect_files localversion*)" |
09155120 | 138 | if test ! "$srctree" -ef .; then |
eed36d77 | 139 | file_localversion="${file_localversion}$(collect_files "$srctree"/localversion*)" |
09155120 MM |
140 | fi |
141 | ||
05e96e96 MY |
142 | if ${no_local}; then |
143 | echo "${KERNELVERSION}$(scm_version --no-dirty)" | |
144 | exit 0 | |
145 | fi | |
146 | ||
147 | if ! test -e include/config/auto.conf; then | |
148 | echo "Error: kernelrelease not valid - run 'make prepare' to update it" >&2 | |
149 | exit 1 | |
150 | fi | |
151 | ||
eed36d77 | 152 | # version string from CONFIG_LOCALVERSION |
129ab0d2 | 153 | config_localversion=$(sed -n 's/^CONFIG_LOCALVERSION=\(.*\)$/\1/p' include/config/auto.conf) |
09155120 | 154 | |
6ab7e1f9 | 155 | # scm version string if not at the kernel version tag or at the file_localversion |
7d153696 | 156 | if grep -q "^CONFIG_LOCALVERSION_AUTO=y$" include/config/auto.conf; then |
09155120 | 157 | # full scm version string |
eed36d77 | 158 | scm_version="$(scm_version)" |
5df99bec MP |
159 | elif [ "${LOCALVERSION+set}" != "set" ]; then |
160 | # If the variable LOCALVERSION is not set, append a plus | |
161 | # sign if the repository is not in a clean annotated or | |
162 | # signed tagged state (as git describe only looks at signed | |
163 | # or annotated tags - git tag -a/-s). | |
164 | # | |
165 | # If the variable LOCALVERSION is set (including being set | |
166 | # to an empty string), we don't want to append a plus sign. | |
eed36d77 | 167 | scm_version="$(scm_version --short)" |
ba3d05fb | 168 | fi |
09155120 | 169 | |
eed36d77 | 170 | echo "${KERNELVERSION}${file_localversion}${config_localversion}${LOCALVERSION}${scm_version}" |