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Pass --allow-unrelated-histories to git merge if git version >= 2.9 where it is needed. #102

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Pass --allow-unrelated-histories to git merge if git version >= 2.9 where it is needed. #102

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Pass --allow-unrelated_histories to git merge if git version >= 2.9 w…
yarlB May 4, 2018
2931d9e
I need to practice the shell more often
yarlB May 5, 2018
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9 changes: 6 additions & 3 deletions checkout.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -259,15 +259,18 @@ githubdate ()
hubdateonebranch sys kernel
hubdateonebranch usr user

GIT_VERSION=`git --version | cut -d' ' -f 3`
version_le "2.9" "${GIT_VERSION}" && GIT_AUH="--allow-unrelated-histories"

${GIT} checkout appstack-src
${GIT} merge --no-edit kernel-src user-src
${GIT} merge --no-edit ${GIT_AUH} kernel-src user-src

${GIT} checkout all-src
${GIT} merge --no-edit kernel-src user-src posix-src
${GIT} merge --no-edit ${GIT_AUH} kernel-src user-src posix-src

# buildrump-src revision gets embedded in buildrump.sh
${GIT} checkout buildrump-src
${GIT} merge --no-edit kernel-src posix-src
${GIT} merge --no-edit ${GIT_AUH} kernel-src posix-src
gitsrcrev=$(${GIT} rev-parse HEAD)

${GIT} checkout master
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18 changes: 18 additions & 0 deletions subr.sh
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Expand Up @@ -96,3 +96,21 @@ userincludes ()
done
echo '>> done installing headers'
}

version_le ()
{
VS0="$1"
VS1="$2"
while true; do
vs0="${VS0%%.*}"
[ "${VS0}" = "${VS0#*.}" ] && VS0="" || VS0="${VS0#*.}"
vs1="${VS1%%.*}"
[ "${VS1}" = "${VS1#*.}" ] && VS1="" || VS1="${VS1#*.}"
[ "${vs0}" -lt "${vs1}" ] && return 0
[ "${vs0}" -gt "${vs1}" ] && return 1
[ -z "${VS0}" -a -z "${VS1}" ] && return 0
[ -z "${VS0}" ] && return 0
[ -z "${VS1}" ] && return 1
done
}