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() { |
b003afe3 | 14 | echo "Usage: $0 [--save-scmversion] [srctree]" >&2 |
117a93db | 15 | exit 1 |
aaebf433 RA |
16 | } |
17 | ||
09155120 MM |
18 | scm_only=false |
19 | srctree=. | |
b003afe3 | 20 | if test "$1" = "--save-scmversion"; then |
09155120 MM |
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 | |
aaebf433 | 31 | |
09155120 MM |
32 | scm_version() |
33 | { | |
6dc0c2f3 MG |
34 | local short |
35 | short=false | |
33252572 | 36 | |
09155120 MM |
37 | cd "$srctree" |
38 | if test -e .scmversion; then | |
6dc0c2f3 | 39 | cat .scmversion |
09155120 MM |
40 | return |
41 | fi | |
42 | if test "$1" = "--short"; then | |
43 | short=true | |
44 | fi | |
33252572 | 45 | |
09155120 | 46 | # Check for git and a git repo. |
7593e090 | 47 | if test -z "$(git rev-parse --show-cdup 2>/dev/null)" && |
548b8b51 | 48 | head=$(git rev-parse --verify HEAD 2>/dev/null); then |
09155120 MM |
49 | |
50 | # If we are at a tagged commit (like "v2.6.30-rc6"), we ignore | |
51 | # it, because this version is defined in the top level Makefile. | |
3c96bdd0 | 52 | if [ -z "$(git describe --exact-match 2>/dev/null)" ]; then |
09155120 MM |
53 | |
54 | # If only the short version is requested, don't bother | |
55 | # running further git commands | |
56 | if $short; then | |
57 | echo "+" | |
58 | return | |
59 | fi | |
60 | # If we are past a tagged commit (like | |
61 | # "v2.6.30-rc5-302-g72357d5"), we pretty print it. | |
548b8b51 RV |
62 | # |
63 | # Ensure the abbreviated sha1 has exactly 12 | |
64 | # hex characters, to make the output | |
65 | # independent of git version, local | |
66 | # core.abbrev settings and/or total number of | |
67 | # objects in the current repository - passing | |
68 | # --abbrev=12 ensures a minimum of 12, and the | |
69 | # awk substr() then picks the 'g' and first 12 | |
70 | # hex chars. | |
71 | if atag="$(git describe --abbrev=12 2>/dev/null)"; then | |
72 | echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),substr($(NF),0,13))}' | |
09155120 | 73 | |
548b8b51 RV |
74 | # If we don't have a tag at all we print -g{commitish}, |
75 | # again using exactly 12 hex chars. | |
09155120 | 76 | else |
548b8b51 | 77 | head="$(echo $head | cut -c1-12)" |
09155120 MM |
78 | printf '%s%s' -g $head |
79 | fi | |
80 | fi | |
33252572 | 81 | |
ff64dd48 BN |
82 | # Check for uncommitted changes. |
83 | # First, with git-status, but --no-optional-locks is only | |
84 | # supported in git >= 2.14, so fall back to git-diff-index if | |
85 | # it fails. Note that git-diff-index does not refresh the | |
86 | # index, so it may give misleading results. See | |
87 | # git-update-index(1), git-diff-index(1), and git-status(1). | |
88 | if { | |
89 | git --no-optional-locks status -uno --porcelain 2>/dev/null || | |
90 | git diff-index --name-only HEAD | |
91 | } | grep -qvE '^(.. )?scripts/package'; then | |
09155120 MM |
92 | printf '%s' -dirty |
93 | fi | |
09155120 MM |
94 | fi |
95 | } | |
96 | ||
97 | collect_files() | |
98 | { | |
7a82e3fa | 99 | local file res= |
09155120 MM |
100 | |
101 | for file; do | |
102 | case "$file" in | |
103 | *\~*) | |
104 | continue | |
105 | ;; | |
106 | esac | |
107 | if test -e "$file"; then | |
108 | res="$res$(cat "$file")" | |
109 | fi | |
110 | done | |
111 | echo "$res" | |
112 | } | |
113 | ||
114 | if $scm_only; then | |
b003afe3 MM |
115 | if test ! -e .scmversion; then |
116 | res=$(scm_version) | |
117 | echo "$res" >.scmversion | |
118 | fi | |
3dce174c | 119 | exit |
117a93db | 120 | fi |
ba3d05fb | 121 | |
09155120 | 122 | if test -e include/config/auto.conf; then |
6dc0c2f3 | 123 | . include/config/auto.conf |
09155120 | 124 | else |
78283edf | 125 | echo "Error: kernelrelease not valid - run 'make prepare' to update it" >&2 |
09155120 MM |
126 | exit 1 |
127 | fi | |
ba3d05fb | 128 | |
09155120 MM |
129 | # localversion* files in the build and source directory |
130 | res="$(collect_files localversion*)" | |
131 | if test ! "$srctree" -ef .; then | |
132 | res="$res$(collect_files "$srctree"/localversion*)" | |
133 | fi | |
134 | ||
135 | # CONFIG_LOCALVERSION and LOCALVERSION (if set) | |
136 | res="${res}${CONFIG_LOCALVERSION}${LOCALVERSION}" | |
137 | ||
138 | # scm version string if not at a tagged commit | |
139 | if test "$CONFIG_LOCALVERSION_AUTO" = "y"; then | |
140 | # full scm version string | |
141 | res="$res$(scm_version)" | |
142 | else | |
c3e2f196 MP |
143 | # append a plus sign if the repository is not in a clean |
144 | # annotated or signed tagged state (as git describe only | |
145 | # looks at signed or annotated tags - git tag -a/-s) and | |
146 | # LOCALVERSION= is not specified | |
09155120 MM |
147 | if test "${LOCALVERSION+set}" != "set"; then |
148 | scm=$(scm_version --short) | |
149 | res="$res${scm:++}" | |
150 | fi | |
ba3d05fb | 151 | fi |
09155120 MM |
152 | |
153 | echo "$res" |