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 MG |
29 | local short |
30 | short=false | |
33252572 | 31 | |
09155120 | 32 | cd "$srctree" |
09155120 MM |
33 | if test "$1" = "--short"; then |
34 | short=true | |
35 | fi | |
33252572 | 36 | |
09155120 | 37 | # Check for git and a git repo. |
7593e090 | 38 | if test -z "$(git rev-parse --show-cdup 2>/dev/null)" && |
548b8b51 | 39 | head=$(git rev-parse --verify HEAD 2>/dev/null); then |
09155120 MM |
40 | |
41 | # If we are at a tagged commit (like "v2.6.30-rc6"), we ignore | |
42 | # it, because this version is defined in the top level Makefile. | |
3c96bdd0 | 43 | if [ -z "$(git describe --exact-match 2>/dev/null)" ]; then |
09155120 MM |
44 | |
45 | # If only the short version is requested, don't bother | |
46 | # running further git commands | |
47 | if $short; then | |
48 | echo "+" | |
49 | return | |
50 | fi | |
51 | # If we are past a tagged commit (like | |
52 | # "v2.6.30-rc5-302-g72357d5"), we pretty print it. | |
630ff0fa MY |
53 | if atag="$(git describe 2>/dev/null)"; then |
54 | echo "$atag" | awk -F- '{printf("-%05d", $(NF-1))}' | |
09155120 | 55 | fi |
630ff0fa MY |
56 | |
57 | # Add -g and exactly 12 hex chars. | |
58 | printf '%s%s' -g "$(echo $head | cut -c1-12)" | |
09155120 | 59 | fi |
33252572 | 60 | |
ff64dd48 | 61 | # Check for uncommitted changes. |
ffaf62a8 MY |
62 | # This script must avoid any write attempt to the source tree, |
63 | # which might be read-only. | |
64 | # You cannot use 'git describe --dirty' because it tries to | |
65 | # create .git/index.lock . | |
ff64dd48 BN |
66 | # First, with git-status, but --no-optional-locks is only |
67 | # supported in git >= 2.14, so fall back to git-diff-index if | |
68 | # it fails. Note that git-diff-index does not refresh the | |
69 | # index, so it may give misleading results. See | |
70 | # git-update-index(1), git-diff-index(1), and git-status(1). | |
71 | if { | |
72 | git --no-optional-locks status -uno --porcelain 2>/dev/null || | |
73 | git diff-index --name-only HEAD | |
a2be76a3 | 74 | } | read dummy; then |
09155120 MM |
75 | printf '%s' -dirty |
76 | fi | |
09155120 MM |
77 | fi |
78 | } | |
79 | ||
80 | collect_files() | |
81 | { | |
7a82e3fa | 82 | local file res= |
09155120 MM |
83 | |
84 | for file; do | |
85 | case "$file" in | |
86 | *\~*) | |
87 | continue | |
88 | ;; | |
89 | esac | |
90 | if test -e "$file"; then | |
91 | res="$res$(cat "$file")" | |
92 | fi | |
93 | done | |
94 | echo "$res" | |
95 | } | |
96 | ||
7d153696 | 97 | if ! test -e include/config/auto.conf; then |
78283edf | 98 | echo "Error: kernelrelease not valid - run 'make prepare' to update it" >&2 |
09155120 MM |
99 | exit 1 |
100 | fi | |
ba3d05fb | 101 | |
09155120 MM |
102 | # localversion* files in the build and source directory |
103 | res="$(collect_files localversion*)" | |
104 | if test ! "$srctree" -ef .; then | |
105 | res="$res$(collect_files "$srctree"/localversion*)" | |
106 | fi | |
107 | ||
108 | # CONFIG_LOCALVERSION and LOCALVERSION (if set) | |
129ab0d2 | 109 | config_localversion=$(sed -n 's/^CONFIG_LOCALVERSION=\(.*\)$/\1/p' include/config/auto.conf) |
7d153696 | 110 | res="${res}${config_localversion}${LOCALVERSION}" |
09155120 MM |
111 | |
112 | # scm version string if not at a tagged commit | |
7d153696 | 113 | if grep -q "^CONFIG_LOCALVERSION_AUTO=y$" include/config/auto.conf; then |
09155120 MM |
114 | # full scm version string |
115 | res="$res$(scm_version)" | |
5df99bec MP |
116 | elif [ "${LOCALVERSION+set}" != "set" ]; then |
117 | # If the variable LOCALVERSION is not set, append a plus | |
118 | # sign if the repository is not in a clean annotated or | |
119 | # signed tagged state (as git describe only looks at signed | |
120 | # or annotated tags - git tag -a/-s). | |
121 | # | |
122 | # If the variable LOCALVERSION is set (including being set | |
123 | # to an empty string), we don't want to append a plus sign. | |
992ebfab | 124 | res="$res$(scm_version --short)" |
ba3d05fb | 125 | fi |
09155120 MM |
126 | |
127 | echo "$res" |