zimfw/src/tools/update.zsh.erb

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# This runs in a new shell
readonly MODULE=${1}
readonly DIR=${2}
readonly URL=${3}
readonly TYPE=${4:=branch}
REV=${5}
readonly -i PRINTLEVEL=${6}
readonly CLEAR_LINE=$'\E[2K\r'
if (( PRINTLEVEL > 0 )) print -Rn ${CLEAR_LINE}"Updating ${MODULE}<%= ellipsis %>"
if ! builtin cd -q ${DIR} 2>/dev/null; then
print -u2 -PR ${CLEAR_LINE}"%F{red}<%= error %>%B${MODULE}:%b Not installed. Run %Bzimfw install%b to install.%f"
return 1
fi
if [[ ${PWD} != $(command git rev-parse --show-toplevel 2>/dev/null) ]]; then
# Not in repo root. Will not try to update.
return 0
fi
if [[ ${URL} != $(command git config --get remote.origin.url) ]]; then
print -u2 -PR ${CLEAR_LINE}"%F{red}<%= error %>%B${MODULE}:%b URL does not match. Expected ${URL}. Will not try to update.%f"
return 1
fi
if ! ERR=$(command git fetch -pq origin 2>&1); then
print -u2 -PR ${CLEAR_LINE}"%F{red}<%= error %>%B${MODULE}:%b Error during git fetch%f"$'\n'${(F):- ${(f)^ERR}}
return 1
fi
if [[ ${TYPE} == tag ]]; then
if [[ ${REV} == $(command git describe --tags --exact-match 2>/dev/null) ]]; then
if (( PRINTLEVEL > 0 )) print -PR ${CLEAR_LINE}"<%= okay %>%B${MODULE}:%b 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 -u2 -PR ${CLEAR_LINE}"%F{red}<%= error %>%B${MODULE}:%b Error during git remote set-head%f"$'\n'${(F):- ${(f)^ERR}}
return 1
fi
REV=${$(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 -u2 -PR ${CLEAR_LINE}"%F{red}<%= error %>%B${MODULE}:%b Error during git checkout%f"$'\n'${(F):- ${(f)^ERR}}
return 1
fi
if [[ ${TYPE} == branch ]]; then
if ! OUT=$(command git merge --ff-only --no-progress -n 2>&1); then
print -u2 -PR ${CLEAR_LINE}"%F{red}<%= error %>%B${MODULE}:%b Error during git merge%f"$'\n'${(F):- ${(f)^OUT}}
return 1
fi
# keep just first line of OUT
OUT=${OUT%%($'\n'|$'\r')*}
else
OUT="Updating to ${TYPE} ${REV}"
fi
if ! ERR=$(command git submodule update --init --recursive -q 2>&1); then
print -u2 -PR ${CLEAR_LINE}"%F{red}<%= error %>%B${MODULE}:%b Error during git submodule update%f"$'\n'${(F):- ${(f)^ERR}}
return 1
fi
if (( PRINTLEVEL > 0 )); then
if [[ -n ${LOG} ]] OUT=${OUT}$'\n'${(F):- ${(f)^LOG}}
print -PR ${CLEAR_LINE}"<%= okay %>%B${MODULE}:%b ${OUT}"
fi