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set -euo pipefail
embed=0
if [[ "${GIT_LOG_GRAPH_EMBED:-}" == "1" || "${1:-}" == "--embed" ]]; then
embed=1
fi
fmt=$(printf '\033[1;34mCommit:\033[0m \033[33m%%h\033[0m \033[91m%%d\033[0m%%n\x01%%H\x01%%n\033[1;34mParents:\033[0m \033[35m%%p\033[0m%%n\033[1;34mAuthor:\033[0m \033[32m%%an\033[0m <\033[96m%%ae\033[0m>%%n\033[1;34mDate:\033[0m \033[36m%%ad (%%ar)\033[0m%%n%%n%%B%%n\033[90m--------------------------------------------------------\033[0m')
# shellcheck disable=SC2016 # awk expressions must not be expanded by bash
awk_prog='
index($0, "\x01") > 0 {
line = $0
start = index(line, "\x01")
rest = substr(line, start + 1)
stop = index(rest, "\x01")
hash = substr(rest, 1, stop - 1)
prefix = substr(line, 1, start - 1)
gsub(/\033\[[0-9;]*[a-zA-Z]/, "", hash)
gsub(/[^0-9a-fA-F]/, "", hash)
if (length(hash) >= 7) {
cmd = "git log -1 --format=\"%G?|%GK\" " hash " 2>/dev/null"
cmd | getline sig
close(cmd)
split(sig, a, "|")
st = a[1]; key = a[2]
} else {
st = ""; key = ""
}
if (st == "G") label = "\033[32mgood\033[0m"
else if (st == "B") label = "\033[31mbad\033[0m"
else if (st == "U") label = "\033[33muntrusted\033[0m"
else if (st == "X") label = "\033[33mexpired sig\033[0m"
else if (st == "Y") label = "\033[33mexpired key\033[0m"
else if (st == "R") label = "\033[31mrevoked\033[0m"
else if (st == "E") label = "\033[90munverifiable\033[0m"
else label = "\033[90mnone\033[0m"
keydisp = (key == "") ? "\033[90m-\033[0m" : "\033[35m" key "\033[0m"
printf "%s\033[1;34mSignature:\033[0m %s %s\n", prefix, label, keydisp
next
}
{ print }
'
graph() {
if [[ $embed -eq 1 ]]; then
git-graph --model custom --color always --sparse --style round --no-pager --format="$fmt" | gawk "$awk_prog"
else
git-graph --model custom --color always --sparse --style round --format="$fmt" | gawk "$awk_prog"
fi
}
if [[ $embed -eq 1 ]]; then
graph
else
less -R < <(graph)
fi
|
