[ThinLTO] Add code comment. NFC
[llvm-core.git] / utils / GetSourceVersion
blobb57a6aa2f3af6652e71f9ba00050685afd3e4349
1 #!/bin/sh
3 usage() {
4 echo "usage: $0 <source root>"
5 echo " Prints the source control revision of the given source directory,"
6 echo " the exact format of the revision string depends on the source "
7 echo " control system. If the source control system isn't known, the output"
8 echo " is empty and the exit code is 1."
9 exit 1
12 if [ $# != 1 ] || [ ! -d $1 ]; then
13 usage;
16 cd $1
17 if [ -d .svn ]; then
18 svnversion | sed -e "s#\([0-9]*\)[A-Z]*#\1#"
19 elif [ -f .git/svn/.metadata ]; then
20 git svn info | grep 'Revision:' | cut -d: -f2-
21 elif [ -d .git ]; then
22 git log -1 --pretty=format:%H
23 else
24 exit 1;
27 exit 0