target/mips: Remove XBurst Media eXtension Unit dead code
[qemu/ar7.git] / scripts / git-submodule.sh
blobe225d3a9634447ea2b2915ec3cb19376101d8a56
1 #!/bin/sh
3 # This code is licensed under the GPL version 2 or later. See
4 # the COPYING file in the top-level directory.
6 substat=".git-submodule-status"
8 command=$1
9 shift
10 maybe_modules="$@"
12 # if --with-git-submodules=ignore, do nothing
13 test "$command" = "ignore" && exit 0
15 test -z "$GIT" && GIT=git
17 cd "$(dirname "$0")/.."
19 update_error() {
20 echo "$0: $*"
21 echo
22 echo "Unable to automatically checkout GIT submodules '$modules'."
23 echo "If you require use of an alternative GIT binary (for example to"
24 echo "enable use of a transparent proxy), then please specify it by"
25 echo "running configure by with the '--with-git' argument. e.g."
26 echo
27 echo " $ ./configure --with-git='tsocks git'"
28 echo
29 echo "Alternatively you may disable automatic GIT submodule checkout"
30 echo "with:"
31 echo
32 echo " $ ./configure --with-git-submodules=validate"
33 echo
34 echo "and then manually update submodules prior to running make, with:"
35 echo
36 echo " $ scripts/git-submodule.sh update $modules"
37 echo
38 exit 1
41 validate_error() {
42 if test "$1" = "validate"; then
43 echo "GIT submodules checkout is out of date, and submodules"
44 echo "configured for validate only. Please run"
45 echo " scripts/git-submodule.sh update $maybe_modules"
46 echo "from the source directory or call configure with"
47 echo " --with-git-submodules=update"
48 echo "To disable GIT submodules validation, use"
49 echo " --with-git-submodules=ignore"
51 exit 1
54 modules=""
55 for m in $maybe_modules
57 $GIT submodule status $m 1> /dev/null 2>&1
58 if test $? = 0
59 then
60 modules="$modules $m"
61 else
62 echo "warn: ignoring non-existent submodule $m"
64 done
66 if test -n "$maybe_modules" && ! test -e ".git"
67 then
68 echo "$0: unexpectedly called with submodules but no git checkout exists"
69 exit 1
72 case "$command" in
73 status|validate)
74 if test -z "$maybe_modules"
75 then
76 test -s ${substat} && validate_error "$command" || exit 0
79 test -f "$substat" || validate_error "$command"
80 for module in $modules; do
81 CURSTATUS=$($GIT submodule status $module)
82 OLDSTATUS=$(cat $substat | grep $module)
83 if test "$CURSTATUS" != "$OLDSTATUS"; then
84 validate_error "$command"
86 done
87 exit 0
89 update)
90 if test -z "$maybe_modules"
91 then
92 test -e $substat || touch $substat
93 exit 0
96 $GIT submodule update --init $modules 1>/dev/null
97 test $? -ne 0 && update_error "failed to update modules"
99 $GIT submodule status $modules > "${substat}"
100 test $? -ne 0 && update_error "failed to save git submodule status" >&2
102 esac
104 exit 0