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() { |
f6e09b07 | 14 | echo "Usage: $0 [srctree]" >&2 |
117a93db | 15 | exit 1 |
aaebf433 RA |
16 | } |
17 | ||
09155120 | 18 | srctree=. |
09155120 MM |
19 | if test $# -gt 0; then |
20 | srctree=$1 | |
21 | shift | |
22 | fi | |
23 | if test $# -gt 0 -o ! -d "$srctree"; then | |
24 | usage | |
25 | fi | |
aaebf433 | 26 | |
09155120 MM |
27 | scm_version() |
28 | { | |
6dc0c2f3 | 29 | local short |
6ab7e1f9 | 30 | local tag |
6dc0c2f3 | 31 | short=false |
33252572 | 32 | |
09155120 | 33 | cd "$srctree" |
09155120 MM |
34 | if test "$1" = "--short"; then |
35 | short=true | |
36 | fi | |
33252572 | 37 | |
75280bdf MY |
38 | if test -n "$(git rev-parse --show-cdup 2>/dev/null)"; then |
39 | return | |
40 | fi | |
09155120 | 41 | |
75280bdf MY |
42 | if ! head=$(git rev-parse --verify HEAD 2>/dev/null); then |
43 | return | |
44 | fi | |
09155120 | 45 | |
6ab7e1f9 MY |
46 | # If a localversion*' file and the corresponding annotated tag exist, |
47 | # use it. This is the case in linux-next. | |
48 | tag=${file_localversion#-} | |
49 | tag=$(git describe --exact-match --match=$tag $tag 2>/dev/null) | |
50 | ||
51 | # Otherwise, default to the annotated tag derived from KERNELVERSION. | |
52 | # mainline kernel: 6.2.0-rc5 -> v6.2-rc5 | |
53 | # stable kernel: 6.1.7 -> v6.1.7 | |
54 | if [ -z "${tag}" ]; then | |
55 | tag=v$(echo "${KERNELVERSION}" | sed -E 's/^([0-9]+\.[0-9]+)\.0(.*)$/\1\2/') | |
56 | fi | |
57 | ||
58 | # If we are at the tagged commit, we ignore it because the version is | |
59 | # well-defined. | |
60 | if [ -z "$(git describe --exact-match --match=$tag 2>/dev/null)" ]; then | |
630ff0fa | 61 | |
75280bdf MY |
62 | # If only the short version is requested, don't bother |
63 | # running further git commands | |
64 | if $short; then | |
65 | echo "+" | |
66 | return | |
09155120 | 67 | fi |
6ab7e1f9 MY |
68 | # If we are past the tagged commit, we pretty print it. |
69 | # (like 6.1.0-14595-g292a089d78d3) | |
70 | if atag="$(git describe --match=$tag 2>/dev/null)"; then | |
75280bdf | 71 | echo "$atag" | awk -F- '{printf("-%05d", $(NF-1))}' |
09155120 | 72 | fi |
75280bdf MY |
73 | |
74 | # Add -g and exactly 12 hex chars. | |
75 | printf '%s%s' -g "$(echo $head | cut -c1-12)" | |
76 | fi | |
77 | ||
78 | # Check for uncommitted changes. | |
79 | # This script must avoid any write attempt to the source tree, which | |
80 | # might be read-only. | |
81 | # You cannot use 'git describe --dirty' because it tries to create | |
82 | # .git/index.lock . | |
83 | # First, with git-status, but --no-optional-locks is only supported in | |
84 | # git >= 2.14, so fall back to git-diff-index if it fails. Note that | |
85 | # git-diff-index does not refresh the index, so it may give misleading | |
86 | # results. | |
87 | # See git-update-index(1), git-diff-index(1), and git-status(1). | |
88 | if { | |
89 | git --no-optional-locks status -uno --porcelain 2>/dev/null || | |
90 | git diff-index --name-only HEAD | |
91 | } | read dummy; then | |
92 | printf '%s' -dirty | |
09155120 MM |
93 | fi |
94 | } | |
95 | ||
96 | collect_files() | |
97 | { | |
7a82e3fa | 98 | local file res= |
09155120 MM |
99 | |
100 | for file; do | |
101 | case "$file" in | |
102 | *\~*) | |
103 | continue | |
104 | ;; | |
105 | esac | |
106 | if test -e "$file"; then | |
107 | res="$res$(cat "$file")" | |
108 | fi | |
109 | done | |
110 | echo "$res" | |
111 | } | |
112 | ||
7d153696 | 113 | if ! test -e include/config/auto.conf; then |
78283edf | 114 | echo "Error: kernelrelease not valid - run 'make prepare' to update it" >&2 |
09155120 MM |
115 | exit 1 |
116 | fi | |
ba3d05fb | 117 | |
ec31f868 MY |
118 | if [ -z "${KERNELVERSION}" ]; then |
119 | echo "KERNELVERSION is not set" >&2 | |
120 | exit 1 | |
121 | fi | |
122 | ||
09155120 | 123 | # localversion* files in the build and source directory |
eed36d77 | 124 | file_localversion="$(collect_files localversion*)" |
09155120 | 125 | if test ! "$srctree" -ef .; then |
eed36d77 | 126 | file_localversion="${file_localversion}$(collect_files "$srctree"/localversion*)" |
09155120 MM |
127 | fi |
128 | ||
eed36d77 | 129 | # version string from CONFIG_LOCALVERSION |
129ab0d2 | 130 | config_localversion=$(sed -n 's/^CONFIG_LOCALVERSION=\(.*\)$/\1/p' include/config/auto.conf) |
09155120 | 131 | |
6ab7e1f9 | 132 | # scm version string if not at the kernel version tag or at the file_localversion |
7d153696 | 133 | if grep -q "^CONFIG_LOCALVERSION_AUTO=y$" include/config/auto.conf; then |
09155120 | 134 | # full scm version string |
eed36d77 | 135 | scm_version="$(scm_version)" |
5df99bec MP |
136 | elif [ "${LOCALVERSION+set}" != "set" ]; then |
137 | # If the variable LOCALVERSION is not set, append a plus | |
138 | # sign if the repository is not in a clean annotated or | |
139 | # signed tagged state (as git describe only looks at signed | |
140 | # or annotated tags - git tag -a/-s). | |
141 | # | |
142 | # If the variable LOCALVERSION is set (including being set | |
143 | # to an empty string), we don't want to append a plus sign. | |
eed36d77 | 144 | scm_version="$(scm_version --short)" |
ba3d05fb | 145 | fi |
09155120 | 146 | |
eed36d77 | 147 | echo "${KERNELVERSION}${file_localversion}${config_localversion}${LOCALVERSION}${scm_version}" |