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1 #!/bin/bash -eu | 1 #!/bin/bash |
2 | 2 |
3 # This script checks that the runtime version number constant in the compiler | 3 # This script checks that the runtime version number constant in the compiler |
4 # source and in the runtime source is the same. | 4 # source and in the runtime source is the same. |
5 # | 5 # |
6 # A distro can be made of the protobuf sources with only a subset of the | 6 # A distro can be made of the protobuf sources with only a subset of the |
7 # languages, so if the compiler depended on the Objective C runtime, those | 7 # languages, so if the compiler depended on the Objective C runtime, those |
8 # builds would break. At the same time, we don't want the runtime source | 8 # builds would break. At the same time, we don't want the runtime source |
9 # depending on the compiler sources; so two copies of the constant are needed. | 9 # depending on the compiler sources; so two copies of the constant are needed. |
10 | 10 |
| 11 set -eu |
| 12 |
11 readonly ScriptDir=$(dirname "$(echo $0 | sed -e "s,^\([^/]\),$(pwd)/\1,")") | 13 readonly ScriptDir=$(dirname "$(echo $0 | sed -e "s,^\([^/]\),$(pwd)/\1,")") |
12 readonly ProtoRootDir="${ScriptDir}/../.." | 14 readonly ProtoRootDir="${ScriptDir}/../.." |
13 | 15 |
14 die() { | 16 die() { |
15 echo "Error: $1" | 17 echo "Error: $1" |
16 exit 1 | 18 exit 1 |
17 } | 19 } |
18 | 20 |
19 readonly GeneratorSrc="${ProtoRootDir}/src/google/protobuf/compiler/objectivec/o
bjectivec_file.cc" | 21 readonly ConstantName=GOOGLE_PROTOBUF_OBJC_GEN_VERSION |
| 22 |
| 23 # Collect version from plugin sources. |
| 24 |
| 25 readonly PluginSrc="${ProtoRootDir}/src/google/protobuf/compiler/objectivec/obje
ctivec_file.cc" |
| 26 readonly PluginVersion=$( \ |
| 27 cat "${PluginSrc}" \ |
| 28 | sed -n -e "s:const int32 ${ConstantName} = \([0-9]*\);:\1:p" |
| 29 ) |
| 30 |
| 31 if [[ -z "${PluginVersion}" ]] ; then |
| 32 die "Failed to find ${ConstantName} in the plugin source (${PluginSrc})." |
| 33 fi |
| 34 |
| 35 # Collect version from runtime sources. |
| 36 |
20 readonly RuntimeSrc="${ProtoRootDir}/objectivec/GPBBootstrap.h" | 37 readonly RuntimeSrc="${ProtoRootDir}/objectivec/GPBBootstrap.h" |
| 38 readonly RuntimeVersion=$( \ |
| 39 cat "${RuntimeSrc}" \ |
| 40 | sed -n -e "s:#define ${ConstantName} \([0-9]*\):\1:p" |
| 41 ) |
21 | 42 |
22 check_constant() { | 43 if [[ -z "${RuntimeVersion}" ]] ; then |
23 local ConstantName="$1" | 44 die "Failed to find ${ConstantName} in the runtime source (${RuntimeSrc})." |
| 45 fi |
24 | 46 |
25 # Collect version from generator sources. | 47 # Compare them. |
26 local GeneratorVersion=$( \ | |
27 cat "${GeneratorSrc}" \ | |
28 | sed -n -e "s:const int32 ${ConstantName} = \([0-9]*\);:\1:p" | |
29 ) | |
30 if [[ -z "${GeneratorVersion}" ]] ; then | |
31 die "Failed to find ${ConstantName} in the generator source (${GeneratorSr
c})." | |
32 fi | |
33 | 48 |
34 # Collect version from runtime sources. | 49 if [[ "${PluginVersion}" != "${RuntimeVersion}" ]] ; then |
35 local RuntimeVersion=$( \ | 50 die "Versions don't match! |
36 cat "${RuntimeSrc}" \ | 51 Plugin: ${PluginVersion} from ${PluginSrc} |
37 | sed -n -e "s:#define ${ConstantName} \([0-9]*\):\1:p" | 52 Runtime: ${RuntimeVersion} from ${RuntimeSrc} |
38 ) | |
39 if [[ -z "${RuntimeVersion}" ]] ; then | |
40 die "Failed to find ${ConstantName} in the runtime source (${RuntimeSrc}).
" | |
41 fi | |
42 | |
43 # Compare them. | |
44 if [[ "${GeneratorVersion}" != "${RuntimeVersion}" ]] ; then | |
45 die "${ConstantName} values don't match! | |
46 Generator: ${GeneratorVersion} from ${GeneratorSrc} | |
47 Runtime: ${RuntimeVersion} from ${RuntimeSrc} | |
48 " | 53 " |
49 fi | 54 fi |
50 } | |
51 | |
52 # Do the check. | |
53 check_constant GOOGLE_PROTOBUF_OBJC_VERSION | |
54 | 55 |
55 # Success | 56 # Success |
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