zimfw/src/tools/git.zsh.erb

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# This runs in a new shell
readonly -i PRINTLEVEL=${1}
readonly ACTION=${2} MODULE=${3} DIR=${4} URL=${5} TYPE=${6:=branch} CLEAR_LINE=<%= clear_line %>
REV=${7}
print_error() {
print -u2 -PR ${CLEAR_LINE}"%F{red}<%= error %>%B${MODULE}:%b ${1}%f"${2:+$'\n'${(F):- ${(f)^2}}}
}
print_okay() {
if (( PRINTLEVEL > 0 )) print -PR ${CLEAR_LINE}"<%= okay %>%B${MODULE}:%b ${1}"
}
case ${ACTION} in
install)
if ERR=$(command git clone ${REV:+-b} ${REV} -q --config core.autocrlf=false --recursive ${URL} ${DIR} 2>&1); then
print_okay Installed
else
print_error 'Error during git clone' ${ERR}
return 1
fi
;;
update)
if ! builtin cd -q ${DIR} 2>/dev/null; then
print_error "Error during cd ${DIR}"
return 1
fi
if [[ ${PWD:A} != ${$(command git rev-parse --show-toplevel 2>/dev/null):A} ]]; then
print_error "Module was not installed using git. Will not try to update. You can disable this with the zmodule option -z|--frozen."
return 1
fi
if [[ ${URL} != $(command git config --get remote.origin.url) ]]; then
print_error "URL does not match. Expected ${URL}. Will not try to update."
return 1
fi
if ! ERR=$(command git fetch -pq origin 2>&1); then
print_error 'Error during git fetch' ${ERR}
return 1
fi
if [[ ${TYPE} == tag ]]; then
if [[ ${REV} == $(command git describe --tags --exact-match 2>/dev/null) ]]; then
print_okay 'Already up to date'
return 0
fi
elif [[ -z ${REV} ]]; then
# Get HEAD remote branch
if ! ERR=$(command git remote set-head origin -a 2>&1); then
print_error 'Error during git remote set-head' ${ERR}
return 1
fi
REV=${$(command git symbolic-ref --short refs/remotes/origin/HEAD)#origin/} || return 1
fi
if [[ ${TYPE} == branch ]]; then
LOG_REV=${REV}@{u}
else
LOG_REV=${REV}
fi
LOG=$(command git log --graph --color --format='%C(yellow)%h%C(reset) %s %C(cyan)(%cr)%C(reset)' ..${LOG_REV} -- 2>/dev/null)
if ! ERR=$(command git checkout -q ${REV} -- 2>&1); then
print_error 'Error during git checkout' ${ERR}
return 1
fi
if [[ ${TYPE} == branch ]]; then
if ! OUT=$(command git merge --ff-only --no-progress -n 2>&1); then
print_error 'Error during git merge' ${OUT}
return 1
fi
# keep just first line of OUT
OUT=${OUT%%($'\n'|$'\r')*}
else
OUT="Updating to ${TYPE} ${REV}"
fi
if ! ERR=$(command git submodule update --init --recursive -q 2>&1); then
print_error 'Error during git submodule update' ${ERR}
return 1
fi
if (( PRINTLEVEL > 0 )); then
if [[ -n ${LOG} ]] OUT=${OUT}$'\n'${(F):- ${(f)^LOG}}
print_okay ${OUT}
fi
;;
esac