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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 $WORKDIR
# Operate on tempfile
TEMPFILE="/tmp/gitrect.temp.$(od -t x1 -An -N6 /dev/urandom |tr -d '\n ')"
touch "$TEMPFILE"
# Reset all variables that might be set
DEFAULT_STATE="$HOME/.local/share/git/repolist"
WORKDIR="$HOME/.code"
verbose=0 # Variables to be evaluated as shell arithmetic should be initialized to a default or validated beforehand.
noconfirm=0
if [ ! "$(command -v git)" ]; then
echo "git command not found. git must be installed and available in \$PATH to continue"
exit 1
fi
usage="$(basename "$0") [-h] [-v -w WORKDIR -f FILE]
where:
-w set the working directory (default: ${WORKDIR})
-f set the git list file (default: ${DEFAULT_STATE})
-y yes to all prompts (no confirmation)
-h show this help text
-v verbose output (multiple flags increase verbosity)
(ex: '-v -v')
"
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
;;
-y)
noconfirm=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' "$1" >&2
;;
*) # Default case: If no more options then break out of the loop.
break ;;
esac
shift
done
# Make sure local state folder is available
if [ ! -d "$HOME/.local/share" ]; then
if [ $verbose -gt 0 ]; then
echo "Creating directory: $HOME/.local/share"
fi
mkdir -p "$HOME"/.local/share
fi
# Rest of the program here.
# If there are input files (for example) that follow the options, they
# will remain in the "$@" positional parameters.
LIST=$(eval "find ${WORKDIR} -type d -name .git")
# for each directory, create a line in TEMPFILE equivalent to:
# short/path/here,origin=url1,upstream=url2,...
#
for dirpath in $LIST; do
# shortpath trims the working directory prefix and the '.git' suffix from the directory
shortpath=$(eval "echo $dirpath | sed -e 's,${WORKDIR}/,,' -e 's/\/\.git//'")
if [ $verbose -gt 1 ]; then
echo "Repository found: ${shortpath}" >&2
fi
cd "${dirpath}/.." || continue # change into the parent of the git directory
rems=$(eval "git remote") # list all remotes
len_rems=${#rems}
if [ "$len_rems" -lt 1 ]; then
# If the list of remotes is zero, skip this folder
continue
fi
# We haven't skipped the path, so write it to the file
printf "%s" "$shortpath" >>"$TEMPFILE"
for r in $rems; do
url=$(eval "git remote get-url ${r}")
printf ",%s=%s" "$r" "$url" >>"$TEMPFILE"
if [ $verbose -gt 1 ]; then
echo "remote: ${r} ${url} " >&2
fi
done
printf "\n" >>"$TEMPFILE"
done
# Sort results
sort -o "${TEMPFILE}" "${TEMPFILE}"
diffval=$(eval "diff -b ${DEFAULT_STATE} ${TEMPFILE}")
if [ $? -eq 0 ]; then
if [ $verbose -gt 0 ]; then
echo "No change. Configuration already up to date." >&2
fi
# Cleanup temp file
rm "${TEMPFILE}"
else
if [ $verbose -gt 0 ]; then
echo "Diff between current and updated state: " >&2
echo "$diffval" >&2
fi
if [ $noconfirm -ne 0 ]; then
# Overwite origiaal with the new
mv "${TEMPFILE}" "${DEFAULT_STATE}"
else
printf 'Accept changes (y/n)? \n'
old_stty_cfg=$(stty -g)
stty raw -echo
answer=$(while ! head -c 1 | grep -i '[ny]'; do true; done)
stty "$old_stty_cfg"
if [ "$answer" != "${answer#[Yy]}" ]; then
echo "Updating file..."
# Overwite origiaal with the new
mv "${TEMPFILE}" "${DEFAULT_STATE}"
else
echo "Discarding changes..."
rm "${TEMPFILE}"
fi
fi
fi
|
