fzf-git-hash

fzf-git-hash.sh

#!/bin/bash
KEEP_ONLY_GIT_HASH='sed "s/^[*|\\\\/ ]*\\([^ ]*\\) .*/\\1/"'

GIT_LOG=(
    git log
    --color=always
    --graph
    --pretty=format:'%Creset%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset'
    --abbrev-commit
    --date=relative
)

FZF=(
    fzf
    --layout=reverse
    --no-sort
    --ansi
    --height=60%
    --min-height=30
    --preview='hash="$(echo {} | '"$KEEP_ONLY_GIT_HASH"')"; [ -z "$hash" ] || git show --color "$hash"'
)

"${GIT_LOG[@]}" | "${FZF[@]}" | eval "$KEEP_ONLY_GIT_HASH"
exit $?

# bash readline adapter:
_get_fzf_git_hash() {
    local hash="$(bash fzf-git-hash.sh)"
    # insert hash at cursor
    READLINE_LINE="${READLINE_LINE:0:${READLINE_POINT}}${hash}${READLINE_LINE:${READLINE_POINT}}"
    # move cursor to end of inserted hash
    READLINE_POINT=$((READLINE_POINT + ${#hash}))
}
# bind hash selection to alt-h
bind -x '"\eh":_get_fzf_git_hash'