dotfiles/.local/bin/git-cat-all
Alexander Hess 721c2fd905
Add configuration for git
- Add .config/git/config
  + Define aliases
  + Configure default behavior in various situations
  + Add user information with signing key
- Add .config/git/commit_msg_template.txt
- Add .config/git/ignore
- Integrate `git` aliases into the shell
2026-09-29 13:10:16 +02:00

93 lines
1.9 KiB
Shell
Executable file

#!/bin/sh
# Print the contents of all tracked text files to stdout,
# each preceded by a header with its filename
#
# With "-a", binary files are included as well
#
# With "-m", only files with unstaged modifications are printed
#
# With "-n", the headers are omitted
#
# Usage: git cat-all [-a] [-m] [-n] [<pathspec> ...]
set -eu
# Error if we are not in a `git` repository
git rev-parse --git-dir >/dev/null
# Without any commit, there is nothing to print reliably
git rev-parse --verify --quiet HEAD >/dev/null || {
echo "fatal: no commits yet" >&2
exit 1
}
_textonly=yes
_lsflags=
_cmd='printf "\n\n===== %s =====\n\n" "{}"; cat "{}"'
_headers=yes
while [ $# -gt 0 ]; do
case $1 in
-a) _textonly=no
shift
;;
-m) _lsflags=-m
shift
;;
-n) _cmd='printf "\n\n"; cat "{}"'
_headers=no
shift
;;
--) shift
break
;;
-*) echo "Usage: git cat-all [-a] [-m] [-n] [<pathspec> ...]" >&2
exit 2
;;
*) break
;;
esac
done
# Because `git` runs scripts on the `$PATH` in the current directory
cd "$(git rev-parse --show-toplevel)"
# An empty file counts as text
# => `grep` alone would misjudge it
# because it never matches in a file without any lines
if [ "$_textonly" = "yes" ]; then
_cmd='if [ ! -s "{}" ] || grep -Iq "" "{}"; then '"$_cmd"'; fi'
fi
# `git ls-files -m` also lists files deleted from the working tree
# => Skip them because `cat` would fail
if [ -n "$_lsflags" ]; then
_cmd='if [ -f "{}" ]; then '"$_cmd"'; fi'
fi
if [ "$_headers" = "yes" ]; then
printf "Repository: %s\n" "$(basename "$PWD")"
printf "Branch: %s @ %s\n" \
"$(git rev-parse --abbrev-ref HEAD)" \
"$(git rev-parse --short HEAD)"
fi
git ls-files \
-z $_lsflags \
-- \
"$@" \
| xargs -0 -I{} sh -c "$_cmd"