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#!/bin/dash
# Test if we have a valid repo before doing anything.
if ! [ -d ".tigger/" ]; then
printf "tigger-add: error: tigger repository directory .tigger not found\n" >&2
exit 1
fi
# Case where we give it no arguments -> early out (without error?)
target_branch=$(echo "$@" | tr -d " ");
if [ "$target_branch" = "" ]; then
# no branch provided, idk if we should print anything so just early out
exit 1
fi
if ! [ -d .tigger/"$target_branch" ]; then
printf "tigger-checkout: error: unknown branch '%s'\n" "$target_branch" >&2
exit 1
fi
current_branch=$(cat .tigger/branch.tig)
current_commit=$(find .tigger/"$current_branch"/ -maxdepth 1 -type d | grep -o -E "[\/][^\/]*$" | tr -d "/" | sort -n -r | head -n 1)
if [ "$current_commit" = "" ]; then
current_commit="0"
mkdir --parents ".tigger/$current_branch/$current_commit/"
fi
target_commit=$(find .tigger/"$target_branch"/ -maxdepth 1 -type d | grep -o -E "[\/][^\/]*$" | tr -d "/" | sort -n -r | head -n 1)
if [ "$target_commit" = "" ]; then
target_commit="0"
mkdir --parents ".tigger/$target_branch/$target_commit/"
fi
for filename in *; do
basename=$(basename "$filename")
# nothing in dir, just exit (should exit)
if ! [ -e "$filename" ]; then
continue
fi
# if it's in staging, do not remove
#if [ -e .tigger/"$current_branch"/"$current_commit"/staged/"$basename" ]; then
# continue
#fi
# if it doesn't exist in the target commit, remove
if ! [ -e .tigger/"$target_branch"/"$target_commit"/commit/"$basename" ]; then
rm "$basename"
continue
fi
done
for filename in .tigger/"$target_branch"/"$target_commit"/commit/*; do
basename=$(basename "$filename")
# nothing in dir, just exit (should exit)
if ! [ -e "$filename" ]; then
continue
fi
# if it's in the current dir, do nothing TODO fix if different
if [ -e "$basename" ]; then
# If it's the same AND not different to current staging, don't copy.
if [ "$(diff .tigger/"$target_branch"/"$target_commit"/commit/"$basename" "$basename")" = "" ]; then
if [ "$(diff .tigger/"$current_branch"/"$current_commit"/staged/"$basename" "$basename")" != "" ]; then
continue
fi
fi
fi
cp "$filename" ./
done
# Non-compliant tigger vs git behaviour: copy our staged to theirs.
rm -rf .tigger/"$target_branch"/"$target_commit"/staged
cp -r .tigger/"$current_branch"/"$current_commit"/staged .tigger/"$target_branch"/"$target_commit"/staged
echo "$target_branch" > .tigger/branch.tig
printf "Switched to branch '%s'\n" "$target_branch"
exit 0
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