transmission/update-version-h.sh

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#!/bin/sh
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# Generate files to be included: only overwrite them if changed so make
# won't rebuild everything unless necessary
replace_if_differs() {
if cmp "$1" "$2" > /dev/null 2>&1; then
rm -f "$1"
else
mv -f "$1" "$2"
fi
}
echo "creating libtransmission/version.h"
user_agent_prefix=$(grep 'set[(]TR_USER_AGENT_PREFIX' CMakeLists.txt | cut -d \" -f 2)
peer_id_prefix=$(grep 'set[(]TR_PEER_ID_PREFIX' CMakeLists.txt | cut -d \" -f 2)
major_version=$(echo "${user_agent_prefix}" | awk -F . '{print $1}')
minor_version=$(echo "${user_agent_prefix}" | awk -F . '{print $2 + 0}')
vcs_revision=
vcs_revision_file=REVISION
if [ -n "$JENKINS_URL" ] && [ -n "$GIT_COMMIT" ]; then
vcs_revision=$GIT_COMMIT
elif [ -n "$TEAMCITY_PROJECT_NAME" ] && [ -n "$BUILD_VCS_NUMBER" ]; then
vcs_revision=$BUILD_VCS_NUMBER
elif [ -e ".git" ] && type git > /dev/null 2>&1; then
vcs_revision=$(git rev-list --max-count=1 HEAD)
elif [ -f "$vcs_revision_file" ]; then
vcs_revision=$(cat "$vcs_revision_file")
fi
if [ -n "$vcs_revision" ]; then
[ -f "$vcs_revision_file" ] && [ "$(cat "$vcs_revision_file")" = "$vcs_revision" ] || echo "$vcs_revision" > "$vcs_revision_file"
else
vcs_revision=0
rm -f "$vcs_revision_file"
fi
vcs_revision=$(echo $vcs_revision | head -c10)
cat > libtransmission/version.h.new << EOF
#pragma once
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#define PEERID_PREFIX "${peer_id_prefix}"
#define USERAGENT_PREFIX "${user_agent_prefix}"
#define VCS_REVISION "${vcs_revision}"
#define VCS_REVISION_NUM ${vcs_revision}
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#define SHORT_VERSION_STRING "${user_agent_prefix}"
#define LONG_VERSION_STRING "${user_agent_prefix} (${vcs_revision})"
#define VERSION_STRING_INFOPLIST ${user_agent_prefix}
#define BUILD_STRING_INFOPLIST 14714.${major_version}.${minor_version}
#define MAJOR_VERSION ${major_version}
#define MINOR_VERSION ${minor_version}
EOF
# Add a release definition
case "${peer_id_prefix}" in
*X-) echo '#define TR_BETA_RELEASE 1' ;;
*Z-) echo '#define TR_NIGHTLY_RELEASE 1' ;;
*) echo '#define TR_STABLE_RELEASE 1' ;;
esac >> "libtransmission/version.h.new"
replace_if_differs libtransmission/version.h.new libtransmission/version.h