alvis
/ resolve_current_file_and_dir.sh
Created
May 12, 2020 04:38
A procedure for getting the resolved absolute path of current file and its containing directory
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| #!/bin/sh | |
| CWD=`pwd -P` | |
| TARGET_FILE=$0 | |
| cd `dirname $TARGET_FILE` | |
| TARGET_FILE=`basename $TARGET_FILE` | |
| # iterate down a (possible) chain of symlinks | |
| while [ -L "$TARGET_FILE" ] |
alvis
/ git-mv-all.sh
Last active
March 22, 2020 07:11
git: move a folder with all histories rewritten
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| #!/bin/sh | |
| FROM=$1 | |
| TO=$2 | |
| TEMP=$(mktemp -d) | |
| echo Moving "$FROM" to "$TO" | |
| git filter-branch -f --tree-filter "if [[ -e '$FROM' ]]; then mkdir -p "$(dirname $TO)"; mv '$FROM/' '$TEMP'; mv '$TEMP/' '$TO/'; fi" --tag-name-filter cat --prune-empty -- --all |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| # base64url encode | |
| function base64url_encode { | |
| (if [ -z "$1" ]; then cat -; else echo -n "$1"; fi) | | |
| openssl base64 -e -A | | |
| sed s/\\+/-/g | | |
| sed s/\\//_/g | | |
| sed -E s/=+$// | |
| } | |
| # base64url decode |