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#! /usr/bin/env bash
# Check git repository for various things:
#
# master - check the current branch is master
# clean - check for untracked files/uncommitted changes
# synced - check that local and origin and in sync (push/pull)
# submodule - check submodules are synced
#
# Usage: check [--master] [--clean] [--synced] [--submodule] [<dir>]
#
usage="usage: $0 [--master] [--clean] [--synced] [--submodule] [<dir>]"
trap 'exit 1' ERR
function info () { echo "$*" 1>&2; }
function error () { info "$*"; exit 1; }
dir=.
master=n
submod=n
clean=n
synced=n
while [ $# -gt 0 ]; do
case $1 in
--master)
master=y
shift
;;
--submodule)
submod=y
shift
;;
--clean)
clean=y
shift
;;
--synced)
synced=y
shift
;;
*)
dir=$1
break
;;
esac
done
function branch () # <dir>
{
git -C $1 rev-parse --symbolic-full-name --abbrev-ref HEAD
}
function synced () # <dir> <branch>
{
git -C $1 fetch
local r=`git -C $1 rev-parse --verify $2`
local or=`git -C $1 rev-parse --verify origin/$2`
if [ "$r" != "$or" ]; then
return 1
fi
}
r=0
if [ "$master" = "y" ]; then
br=`branch $dir`
if [ "$br" != "master" ]; then
info "current branch in $dir is $br, not master"
r=1
fi
fi
if [ "$submod" = "y" ]; then
sms=`git -C $dir submodule foreach --quiet --recursive 'echo $path'`
for sm in $sms; do
smd=$dir/$sm
br=`branch $smd`
if ! synced $smd $br; then
info "submodule $smd is not updated"
r=1
fi
done
fi
if [ "$clean" = "y" ]; then
if git -C $dir status --porcelain | grep -q "^?? "; then
info "untracked files in $dir"
r=1
fi
if git -C $dir status --porcelain | grep -q "^ M "; then
info "unstaged changes in $dir"
r=1
fi
if git -C $dir status --porcelain | grep -q "^M "; then
info "staged changes in $dir"
r=1
fi
fi
if [ "$synced" = "y" ]; then
br=`branch $dir`
if ! synced $dir $br; then
info "$br and origin/$br in $dir differ, not synced"
r=1
fi
fi
exit $r
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