# This file is part of Haketilo
#
# Copyright (C) 2021, Wojtek Kosior
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the CC0 1.0 Universal License as published by
# the Creative Commons Corporation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# CC0 1.0 Universal License for more details.

map_set_instr() {
    printf "%s__%s='%s'" "$1" "$2" "$3"
}

map_set() {
    eval "$(map_set_instr "$@")"
}

map_set_export() {
    eval "export $(map_set_instr "$@")"
}

map_get() {
    eval "printf %s \"\$$1__$2\""
}

map_del_instr() {
    printf 'unset %s__%s' "$1" "$2"
}

map_del() {
    eval "$(map_del_instr "$@")"
}

sanitize() {
    printf %s "$1" | tr /.- _
}

escape_regex_special() {
    printf %s "$1" | sed 's/\([]\.*?{},()[-]\)/\\\1/g'
}

# Note: We don't actually parse JSON. We extract needed keys with sed regexes
# which does not work in the general case but is sufficient for now.
get_json_key() {
    local KEY_REG="$(escape_regex_special "$1")"
    printf %s "$2" |
	sed 's/\(.*"'"$KEY_REG"'"[[:space:]]*:[[:space:]]*"\([^"]*\)"\)\?.*/\2/' |
	grep . | head -1
}
logo.scm?id=42da990859d41a4da9f74e4d20fe5c5b972ada18'>tree</a><a href='/guix/commit/gnu/packages/logo.scm?id=42da990859d41a4da9f74e4d20fe5c5b972ada18'>commit</a><a href='/guix/diff/gnu/packages/logo.scm?id=42da990859d41a4da9f74e4d20fe5c5b972ada18'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/packages/logo.scm'>
<input type='hidden' name='id' value='42da990859d41a4da9f74e4d20fe5c5b972ada18'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=42da990859d41a4da9f74e4d20fe5c5b972ada18'>root</a>/<a href='/guix/log/gnu?id=42da990859d41a4da9f74e4d20fe5c5b972ada18'>gnu</a>/<a href='/guix/log/gnu/packages?id=42da990859d41a4da9f74e4d20fe5c5b972ada18'>packages</a>/<a href='/guix/log/gnu/packages/logo.scm?id=42da990859d41a4da9f74e4d20fe5c5b972ada18'>logo.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/packages/logo.scm?id=42da990859d41a4da9f74e4d20fe5c5b972ada18&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>