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#!/usr/bin/env sh
# POSIX shell implementation of Gitrect
#
# Operate on a tempfile and generate a listing of:
#
# prefix-trim-directory,remote=URL,...
#
# For all directories found in $WORKDIR
#
if [ ! "$(command -v git)" ]; then
echo "git command not found. git must be installed and available in \$PATH to continue"
exit 1
fi
# Reset all variables that might be set
DEFAULT_STATE="$HOME/.local/share/git/repolist"
WORKDIR="$HOME/.code"
verbose=0 # Variables to be evaluated as shell arithmetic should be initialized to a default or validated beforehand.
GITVER="$(git version | cut -d " " -f 3)"
usage="$(basename "$0") [-h] [-v -w WORKDIR -f FILE]
Set remotes for all git repos and pull new changes where:
-w set the (base) working directory (default: ${WORKDIR})
-f set the git list file (default: ${DEFAULT_STATE})
-h show this help text
-v increase output verbosity
"
while :; do
case $1 in
-h | -\? | --help) # Call a "show_help" function to display a synopsis, then exit.
echo "$usage"
exit
;;
-f) # Takes an option argument, ensuring it has been specified.
if [ -n "$2" ]; then
DEFAULT_STATE="$2"
shift
fi
;;
-f=?*)
DEFAULT_STATE=${1#*=} # Delete everything up to "=" and assign the remainder.
;;
-f=) # Handle the case of an empty --file=
printf 'ERROR: "-f" requires a non-empty option argument.\n' >&2
exit 1
;;
-w) # Takes an option argument, ensuring it has been specified.
if [ -n "$2" ]; then
WORKDIR="$2"
shift
fi
;;
-w=?*)
WORKDIR=${1#*=} # Delete everything up to "=" and assign the remainder.
;;
-w=) # Handle the case of an empty --file=
printf 'ERROR: "-w" requires a non-empty option argument.\n' >&2
exit 1
;;
-v)
verbose=$((verbose + 1)) # Each -v argument adds 1 to verbosity.
;;
--) # End of all options.
shift
break
;;
-?*)
printf 'WARN: Unknown option (ignored): %s\n' "$1" >&2
;;
*) # Default case: If no more options then break out of the loop.
break ;;
esac
shift
done
# No posix-compliant way of getting separator, so leverage OS-specifics
FS_SEPARATOR="/"
# Don't care about windows, will figure it out another day
while read -r line; do
dir=$(echo "$line" | cut -d, -f 1)
remlist=$(echo "$line" | cut -d, -f 2-)
clone=0 #False
if [ $verbose -gt 0 ]; then
echo "Operating on ${WORKDIR}${FS_SEPARATOR}${dir}"
fi
if [ ! -d "${WORKDIR}${FS_SEPARATOR}${dir}" ]; then
#clone repo
clone=$((clone + 1)) # Set true
mkdir -p "${WORKDIR}${FS_SEPARATOR}${dir}"
fi
cd "${WORKDIR}${FS_SEPARATOR}${dir}" || exit
if [ $clone -gt 0 ]; then
if [ ${GITVER} \> "2.45" ]; then
git init --ref-format=reftable
else
git init
fi
fi
if [ $verbose -gt 1 ]; then
echo "Remote url: ${remlist}"
fi
localRemotes=$(eval "git remote")
len_localRemotes=${#localRemotes}
echo "${remlist}" | awk -F ',' '{for (i = 1; i <= NF; i++) {printf "%s \n", $i}; printf "\n"}' | while read -r r || [ -n "$r" ]; do
remoteName=$(echo "$r" | awk -F'=' '{print $1}') # Just get the remote name
# Allow for blank / newlines during processing
if [ "${remoteName}" = "" ]; then continue; fi
if [ $len_localRemotes -gt 0 ]; then
remExistsCheck=$(eval "git config remote.${remoteName}.url")
if [ "${remExistsCheck}" = "" ]; then
if [ $verbose -gt 0 ]; then
echo "Adding remote ${r}"
fi
echo "$r" | awk -F'=' '{ print $1, $2; }' | xargs -n 2 git remote add
else
if [ $verbose -gt 0 ]; then
echo "Setting remote ${r}"
fi
echo "$r" | awk -F'=' '{ print $1, $2; }' | xargs -n 2 git remote set-url
fi
else
# Remotes not set locally
if [ $verbose -gt 0 ]; then
echo "Adding remote ${r}"
fi
echo "$r" | awk -F'=' '{ print $1, $2; }' | xargs -n 2 git remote add
fi
done
if [ $verbose -gt 1 ]; then
echo "Listed remotes for ${dir} are:"
git remote -v
fi
if [ $clone -gt 0 ]; then
git fetch --all
rev=$(git ls-remote origin | grep HEAD | cut -f 1)
if [ $verbose -gt 0 ]; then
echo "Rev: ${rev}"
fi
br=$(git ls-remote origin | grep "${rev}" | grep -v HEAD | cut -f 2 | cut -d / -f 3 | head -n 1)
if [ "$verbose" -gt 0 ]; then
echo "Branch: ${br}"
fi
git switch "$br"
fi
done <"$DEFAULT_STATE"
# Re-run confgit if it exists
if [ "$(command -v confgit.sh)" ]; then
confgit.sh
fi
# Update all remotes if we have the fetchgit command
if [ "$(command -v fetchgit)" ]; then
if [ "$verbose" -gt 0 ]; then
find "$WORKDIR" -name ".git" -exec fetchgit -v {} \;
else
find "$WORKDIR" -name ".git" -exec fetchgit {} \;
fi
fi
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