68 lines
1.9 KiB
Bash
Executable File
68 lines
1.9 KiB
Bash
Executable File
#!/bin/sh
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GIT=${GIT:-git}
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SED=${SED:-sed}
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AWK=${AWK:-awk}
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if [ -f ${1}/.version ]; then
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cat ${1}/.version
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exit 0
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fi
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if [ ! -d ${1}/.git ]; then
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echo "UNKNOWN__and_probably_unsupported"
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exit 0
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fi
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if [ -z ${GIT} ]; then
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GIT="git"
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fi
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if ! command -v ${GIT} >/dev/null 2>&1; then
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echo "UNKNOWN__and_probably_unsupported"
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exit 1
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fi
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GITCHECK=$(${GIT} describe --always 2>/dev/null || echo gitfail 2>/dev/null)
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if [ "x${GITCHECK}" = "xgitfail" ]; then
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echo "UNKNOWN__git_check_fail"
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exit 1
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fi
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cd ${1} || exit 1
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MODIFIED=""
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# If MAINLINE_BRANCH is already set in the environment, use it.
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if [ -z "${MAINLINE_BRANCH}" ] ; then
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# Try to retrieve MAINLINE_BRANCH from a local .develvars file first.
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# .develvars is keyed by the branch name so we need to get that first.
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BRANCH=$(${GIT} symbolic-ref --short HEAD 2>/dev/null)
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if [ -f .develvars ] ; then
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MAINLINE_BRANCH=$(${GIT} config -f .develvars --get branch.${BRANCH}.mainline-branch)
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fi
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# If we didn't find it, see if this is a well-known development branch.
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# development/<mainline_branch>/<branchname> or
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# devel/<mainline_branch>/<branchname>
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if [ "x${MAINLINE_BRANCH}" = "x" ] ; then
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MAINLINE_BRANCH=$(echo "${BRANCH}" | ${SED} -n -r -e "s@devel(opment)?/([0-9]+)/.+@\2@p")
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fi
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# If we didn't find it, get it from configure.ac.
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if [ "x${MAINLINE_BRANCH}" = "x" ] ; then
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MAINLINE_BRANCH=$(${AWK} '/AC_INIT/ { print substr($2, 2, length($2) - 3) }' configure.ac)
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fi
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fi
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VERSION=`${GIT} describe --long --always --tags --dirty=M 2> /dev/null`
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if [ $? -ne 0 ]; then
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if [ "`${GIT} ls-files -m | wc -l`" != "0" ]; then
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MODIFIED="M"
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fi
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# Some older versions of git do not support all the above
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# options.
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VERSION=`${GIT} rev-parse --short --verify HEAD`${MODIFIED}
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fi
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echo GIT-${MAINLINE_BRANCH}-${VERSION}
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