myshellconfig/bin/git-myshellconfig-checkout

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#!/bin/bash
#################################################################################################
# title :git-myshellconfig-checkout #
# description :checkout git detached HEAD #
# author :Jakobus Schürz #
# changes by :Jakobus Schürz #
# created :17.01.2019 #
# updated : #
# version :1.0 #
# usage :./git-checkout #
# notes : #
#################################################################################################
[ -z "${SGIT+x}" ] && SGIT=git
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[ -z "${MYSHELLCONFIG_LOGDIR+x}" ] && export MYSHELLCONFIG_LOGDIR="${HOME}/logs"
[ -z "${MYSHELLCONFIG_LOGFILE+x}" ] && export MYSHELLCONFIG_LOGFILE="${MYSHELLCONFIG_LOGDIR}/myshellconfig.log"
#MYSHELLCONFIG_LOGDIR="./logs"
#MYSHELLCONFIG_LOGFILE="${MYSHELLCONFIG_LOGDIR}/git.log"
[ -d "${MYSHELLCONFIG_LOGDIR}" ] || mkdir -p "${MYSHELLCONFIG_LOGDIR}"
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[ -z "${MYSHELLCONFIG_GIT_REMOTE_NAME+x}" ] && export MYSHELLCONFIG_GIT_REMOTE_NAME=origin
[ -z "${MYSHELLCONFIG_GIT_BRANCH+x}" ] && export MYSHELLCONFIG_GIT_BRANCH=master
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ENTRY
cat << EOF >> "${MYSHELLCONFIG_LOGFILE}"
+-----BEGINN $(date) -------------------------------+
EOF
case $1 in
-h)
# Headless repo local
PRE="${MYSHELLCONFIG_GIT_REMOTE_NAME}"
;;
*)
PRE=""
;;
esac
# If TAG is set, checkout is always headless.
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[ -z "${MYSHELLCONFIG_GIT_TAG:+x}" ] || { export MYSHELLCONFIG_GIT_BRANCH=${MYSHELLCONFIG_GIT_TAG}; export PRE=""; }
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# Output
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#echo -n " remote: ${MYSHELLCONFIG_GIT_REMOTE_NAME}, branch: ${MYSHELLCONFIG_GIT_BRANCH}: "
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#echo $SGIT fetch ${MYSHELLCONFIG_GIT_REMOTE_NAME} -p 1>&2
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$SGIT fetch ${MYSHELLCONFIG_GIT_REMOTE_NAME} -p 2>>"${MYSHELLCONFIG_LOGFILE}"|| { logwarn fetch failed; exit 1; }
if $SGIT diff-index --ignore-submodules --exit-code HEAD -- >> "${MYSHELLCONFIG_LOGFILE}" ; then
cat << EOF >> "${MYSHELLCONFIG_LOGFILE}"
Check for local changes:
no changes in local repo
$SGIT checkout repo ${PRE}${PRE:+/}${MYSHELLCONFIG_GIT_BRANCH}
EOF
#echo "checkout origin/master as detached HEAD"
$SGIT checkout ${PRE}${PRE:+/}${MYSHELLCONFIG_GIT_BRANCH} 1>>"${MYSHELLCONFIG_LOGFILE}" 2>>"${MYSHELLCONFIG_LOGFILE}"|| exit 2
$SGIT merge FETCH_HEAD 1>>"${MYSHELLCONFIG_LOGFILE}" 2>>"${MYSHELLCONFIG_LOGFILE}"|| exit 3
else
cat << EOF >> "${MYSHELLCONFIG_LOGFILE}"
Check for local changes:
Ich habe lokale Änderungen festgestellt
um die Änderung zurückzusetzen bitte
$SGIT checkout \$FILENAME
oder um alle lokalen Änderungen auf einmal zurückzusetzen:
$SGIT checkout .
ausführen
Die Änderungen sind:
EOF
$SGIT diff-index HEAD --|awk '{print $5, $6}' >> "${MYSHELLCONFIG_LOGFILE}"
$SGIT diff-index -p HEAD -- >> "${MYSHELLCONFIG_LOGFILE}"
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logwarn "Lokale Änderungen festgestellt: Siehe Logfile ${MYSHELLCONFIG_LOGFILE}" >&2
cat << EOF >> "${MYSHELLCONFIG_LOGFILE}"
+-----ENDE $(date) ---------------------------------+
EOF
exit 4
fi
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if ${MYSHELLCONFIG_GIT_UPDATE_SUBMODULES-${MYSHELLCONFIG_GIT_UPDATE_SUBMODULES_DEFAULT-true}}; then
logdebug "update submodules"
rc=0
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logdebug "update submodules" >&2
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git config --file=.gitmodules -l | \
grep url= | \
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awk -F "=" -v srv="${MYSHElLCONFIG_GIT_SUBMODULE_SERVER-${MYSHElLCONFIG_GIT_SUBMODULE_SERVER_DEFAULT}}" \
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'{print $1" "gensub(/^.*github.com/,srv,$2)}' | \
while read a b; do
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logdebug "git config --file=.gitmodules ${a} ${b}"
git config --file=.gitmodules "${a}" "${b}"
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done
# Submodules always have origin and master as repo and branch to track
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#$SGIT submodule init 1>>"${MYSHELLCONFIG_LOGFILE}" 2>&1|| { logwarn "update submodules failed on ini"; rc=5; }
$SGIT submodule sync 1>>"${MYSHELLCONFIG_LOGFILE}" 2>&1|| { logwarn "sync submodules failed on sync"; rc=6; }
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#$SGIT submodule foreach "git checkout master" 1>>"${MYSHELLCONFIG_LOGFILE}" 2>&1 || { logwarn "checkout master submodules failed on set upstream"; rc=7; }
#$SGIT submodule foreach "git branch -u origin/master master" 1>>"${MYSHELLCONFIG_LOGFILE}" 2>&1|| { logwarn "set-upstream submodules failed on set upstream"; rc=8; }
$SGIT submodule update --init --recursive --remote --merge 1>>"${MYSHELLCONFIG_LOGFILE}" 2>&1 || { logwarn " update submodules failed on update"; rc=9; }
logdebug "submodules updated" >&2
logdebug "update submodules ENDE"
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else
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logdebug "Do not update submodules. It's denied by environment MYSHELLCONFIG_GIT_UPDATE_SUBMODULES: ${MYSHELLCONFIG_GIT_UPDATE_SUBMODULES-${MYSHELLCONFIG_GIT_UPDATE_SUBMODULES_DEFAULT-true}}"
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fi
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EXIT
exit $rc