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-rwxr-xr-xbuild/cache.sh50
1 files changed, 41 insertions, 9 deletions
diff --git a/build/cache.sh b/build/cache.sh
index c8cd1b03d..ed900568a 100755
--- a/build/cache.sh
+++ b/build/cache.sh
@@ -9,6 +9,15 @@
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
+
+exit_trap() {
+ if [ -d "$TMPDIR" ]; then
+ rm -rf $TMPDIR
+ fi
+}
+
+trap exit_trap EXIT
+
CACHETRANSPORT=${CACHETRANSPORT:-"curl --silent"}
CACHEBASE=${CACHEBASE:-"file://${HOME}/cache"}
CACHEMAXAGE=${CACHEMAXAGE:-$[14*24*3600]}
@@ -20,8 +29,9 @@ debugmsg () {
fi
}
-errormsg () {
+errorexit () {
echo "$@" >&2
+ exit 1
}
# Get a SHA1 based on what's piped into the cache command
@@ -84,22 +94,45 @@ validSHA1() {
fi
}
+# Figure out commit ID from URI and tag/branch/commit ID
+getcommitid() {
+ HEADMATCH=`git ls-remote $1 | grep "refs/heads/$2$" | awk '{ print $1 }'`
+ TAGMATCH=`git ls-remote $1 | grep "refs/tags/$2$" | awk '{ print $1 }'`
+
+ if [ -n "$HEADMATCH" ]; then
+ echo "$HEADMATCH"
+ elif [ -n "$TAGMATCH" ]; then
+ echo "$TAGMATCH"
+ else
+ TMPDIR=`mktemp -d /tmp/cacheXXXXX`
+ cd $TMPDIR
+ git clone $1 &>/dev/null || errorexit "Could not clone $1"
+ cd * || errorexit "Could not enter clone of $1"
+ git show $2 &>/dev/null || errorexit "Could not find commit $2"
+ git show $2 | head -1 | awk '{ print $2 }'
+ fi
+}
+
case $1 in
+ getcommitid)
+ if [ $# -ne 3 ]; then
+ errorexit "Arg 1 needs to be URI and arg 2 tag/branch/commit"
+ fi
+ shift
+ getcommitid $@
+ ;;
getid)
if [ $# -ne 1 ]; then
- errormsg "No arguments can be given to getid!"
- exit 1
+ errorexit "No arguments can be given to getid!"
fi
getid
;;
get|check|put)
if [ $# -ne 2 ]; then
- errormsg "Only one argument, the SHA1 sum, can be given to getid!"
- exit 1
+ errorexit "Only one argument, the SHA1 sum, can be given to getid!"
else
if ! validSHA1 $2; then
- errormsg "Invalid SHA1 format!"
- exit 1
+ errorexit "Invalid SHA1 format!"
fi
fi
@@ -107,6 +140,5 @@ case $1 in
exit $rc
;;
*)
- errormsg "I only know about getid, check, get and put!"
- exit 1
+ errorexit "I only know about getcommitid, getid, check, get and put!"
esac