diff options
| l--------- | git-config-restore | 1 | ||||
| -rwxr-xr-x | git-config-save | 137 |
2 files changed, 138 insertions, 0 deletions
diff --git a/git-config-restore b/git-config-restore new file mode 120000 index 0000000..f667d2e --- /dev/null +++ b/git-config-restore @@ -0,0 +1 @@ +git-config-save
\ No newline at end of file diff --git a/git-config-save b/git-config-save new file mode 100755 index 0000000..d7d12e9 --- /dev/null +++ b/git-config-save @@ -0,0 +1,137 @@ +#!/bin/bash +# +# Save/restore your .git/config files in a central place. +# +# When called as "git-config-save" or "git config-save", +# this scripts traverses a folder looking for all .git/config files +# and makes backups at ~/.config/gitconfigs. +# +# When called as "git-config-restore" or "git config-restore" +# it does the reverse operation: restores all .git/config +# files, replacing the current repository .git/config's by the one +# available from ~/.config/gitconfigs. +# +# Use cases: +# +# - You work with the repositories in multiple machines and is +# looking for a way to sync not just the content but also the +# same repository configuration (user name, remotes, etc). +# +# - You want to delete working copies of repositories but want +# to keep each repository configuration for future use. In that +# case all you have to do is to clone the repository again and +# run this command inside your working copy. +# +# You may want to put in a schedule job to process all your stuff regularly. +# +# Storage format: +# +# - Use ~/.config/gitconfigs/ as base +# - Repository identifier is determined by the first commit ID +# (not repo URL or any other volatile information). So this +# script may fail if you're doing improbable stuff like rebasing +# your repo and removing the initial commit. +# +# How it saves an item: +# +# - Find all git configurations +# - Make a backup at $BASE/$ID/config.$DATE if config differs +# - Save the config at $BASE/ID +# +# How it restore an item: +# +# - Copy each config from $BASE/ID, if available and if it differs +# - Restore always save a timestamped copy at .git/config.$DATE + +# Parameters +BASENAME="`basename $0`" +BASE="$HOME/.config/gitconfigs" +DATE="`date +%Y%m%d%I%M%S`" + +# Ensure we have a base and that is minimally safe +mkdir -p $BASE +chmod 700 $BASE + +# Save config from a repository +function git_config_save { + # Check if we have a config + if [ ! -e ".git/config" ]; then + echo "$BASENAME: missing config at `pwd`" + return + fi + + # Repository ID + # https://stackoverflow.com/questions/34874343/how-can-i-uniquely-identify-a-git-repository + ID="`git rev-list --parents HEAD | tail -1`" + + # Display ID + echo $ID + + # Create config folder + mkdir -p $BASE/$ID + + # Make a backup + if [ -f "$BASE/$ID/config" ] && ! diff .git/config $BASE/$ID/config; then + cp $BASE/$ID/config $BASE/$ID/config.$DATE + fi + + # Save + cp .git/config $BASE/$ID/config +} + +# Restore config tor a repository +function git_config_restore { + # Check if we have a config + if [ ! -e ".git/config" ]; then + echo "$BASENAME: missing config at `pwd`" + return + fi + + # Repository ID + # https://stackoverflow.com/questions/34874343/how-can-i-uniquely-identify-a-git-repository + ID="`git rev-list --parents HEAD | tail -1`" + + # Display ID + echo $ID + + # Create config folder + mkdir -p $BASE/$ID + + # Check if we have a saved config + if [ ! -f "$BASE/$ID/config" ]; then + echo "No config for `pwd`, skipping" + return + fi + + # Make a backup + if ! diff .git/config $BASE/$ID/config; then + cp .git/config .git/config.$DATE + else + echo "Identical configs for `pwd`, skipping" + return + fi + + # Restore + cp $BASE/$ID/config .git/config + + # Tell the user about the backup + echo "Backup saved at $pwd/.git/config.$DATE" +} + +# Process everything we can find +find -type d -name .git | while read repo; do + # Get absolute folder + PWD="`cd $repo/.. &> /dev/null && pwd`" + + echo -n -e "Processing $PWD...\t" + + ( + cd $PWD + + if [ "$BASENAME" == "git-config-save" ]; then + git_config_save + else + git_config_restore + fi + ) +done |