hg diff [OPTION]... ([-c REV] | [-r REV1 [-r REV2]]) [FILE]...

diff repository (or selected files)

options:

 -r --rev REV [+]         revision
 -c --change REV          change made by revision
 -a --text                treat all files as text
 -g --git                 use git extended diff format
    --nodates             omit dates from diff headers
 -p --show-function       show which function each change is in
    --reverse             produce a diff that undoes the changes
 -w --ignore-all-space    ignore white space when comparing lines
 -b --ignore-space-change ignore changes in the amount of white space
 -B --ignore-blank-lines  ignore changes whose lines are all blank
 -U --unified NUM         number of lines of context to show
    --stat                output diffstat-style summary of changes
 -I --include PATTERN [+] include names matching the given patterns
 -X --exclude PATTERN [+] exclude names matching the given patterns
 -S --subrepos            recurse into subrepositories
    --reverse             reverse patch direction
 -e --ssh CMD             specify ssh command to use
    --remotecmd CMD       specify hg command to run on the remote side
    --insecure            do not verify server certificate (ignoring
                          web.cacerts config)
    --mq                  operate on patch repository

[+] marked option can be specified multiple times

use "hg help diff" to show the full help text