2 ##############################################################################
3 # Copyright (c) 2015 Ericsson AB and others.
4 # stefan.k.berg@ericsson.com
5 # jonas.bjurel@ericsson.com
6 # All rights reserved. This program and the accompanying materials
7 # are made available under the terms of the Apache License, Version 2.0
8 # which accompanies this distribution, and is available at
9 # http://www.apache.org/licenses/LICENSE-2.0
10 ##############################################################################
14 if [ -d "$TMPDIR" ]; then
21 CACHETRANSPORT=${CACHETRANSPORT:-"curl --silent"}
22 CACHEBASE=${CACHEBASE:-"file://${HOME}/cache"}
23 CACHEMAXAGE=${CACHEMAXAGE:-$[14*24*3600]}
24 CACHEDEBUG=${CACHEDEBUG:-1}
27 if [ "$CACHEDEBUG" -eq 1 ]; then
37 # Get a SHA1 based on what's piped into the cache command
39 debugmsg "Generating sha1sum"
40 sha1sum | sed 's/ .*//'
47 debugmsg "SHA1 $1 already in cache, skipping storage"
49 debugmsg "Storing SHA1 $1 in cache"
50 ${CACHETRANSPORT} -T - ${CACHEBASE}/$1.blob
51 echo "Expires: $[`date +"%s"` + $CACHEMAXAGE]" | ${CACHETRANSPORT} -T - ${CACHEBASE}/$1.meta
60 ${CACHETRANSPORT} -o - ${CACHEBASE}/$1.blob 2>/dev/null
63 if [ $rc -eq 0 ]; then
64 echo "Got SHA1 $1 from cache" 2>/dev/null
66 echo "Tried to get SHA1 $1 from cache but failed" 2>/dev/null
76 ${CACHETRANSPORT} ${CACHEBASE}/$1.meta &>/dev/null
79 if [ $rc -eq 0 ]; then
80 debugmsg "Checking for SHA1 $1 in cache and found it, rc = $rc"
82 debugmsg "Checking for SHA1 $1 in cache and failed, rc = $rc"
88 # Verify that SHA1 seems to be a SHA1...
90 if [ $(echo $1 | wc -c) -ne 41 ]; then
97 # Figure out commit ID from URI and tag/branch/commit ID
99 if echo $2 | grep -q '^refs/changes/'; then
100 REF=`echo $2 | sed "s,refs\/changes\/\(.*\),\1,"`
105 echo "Repo is $1, ref is ${REF}" >&2
107 HEADMATCH=`git ls-remote $1 | grep "refs/heads/${REF}$" | awk '{ print $1 }'`
108 TAGMATCH=`git ls-remote $1 | grep "refs/tags/${REF}$" | awk '{ print $1 }'`
109 CHANGEMATCH=`git ls-remote $1 | grep "refs/changes/${REF}$" | awk '{ print $1 }'`
111 if [ -n "$HEADMATCH" ]; then
113 elif [ -n "$TAGMATCH" ]; then
115 elif [ -n "$CHANGEMATCH" ]; then
116 echo "Warning: ${REF} is a change!" >&2
117 TMPDIR=`mktemp -d /tmp/cacheXXXXX`
119 git clone $1 &>/dev/null || errorexit "Could not clone $1"
120 cd * || errorexit "Could not enter clone of $1"
121 git fetch $1 refs/changes/$REF &>/dev/null || errorexit "Could not fetch change"
122 git checkout FETCH_HEAD &>/dev/null || errorexit "Could not checkout FETCH_HEAD"
123 git show HEAD &>/dev/null || errorexit "Could not find commit $2"
124 git show HEAD | head -1 | awk '{ print $2 }'
126 TMPDIR=`mktemp -d /tmp/cacheXXXXX`
128 git clone $1 &>/dev/null || errorexit "Could not clone $1"
129 cd * || errorexit "Could not enter clone of $1"
130 git show $2 &>/dev/null || errorexit "Could not find commit $2"
131 git show $2 | head -1 | awk '{ print $2 }'
137 if [ $# -ne 3 ]; then
138 errorexit "Arg 1 needs to be URI and arg 2 tag/branch/commit"
144 if [ $# -ne 1 ]; then
145 errorexit "No arguments can be given to getid!"
150 if [ $# -ne 2 ]; then
151 errorexit "Only one argument, the SHA1 sum, can be given to getid!"
153 if ! validSHA1 $2; then
154 errorexit "Invalid SHA1 format!"
162 errorexit "I only know about getcommitid, getid, check, get and put!"