On Sat, Jul 02, 2005 at 02:11:34PM -0700, Matt Mackall wrote: # HG changeset patch # User Alecs King <alecsk@gmail.com> On Sat, Jul 02, 2005 at 02:11:34PM -0700, Matt Mackall wrote: > On Sun, Jul 03, 2005 at 12:49:27AM +0800, Alecs King wrote: > > Hg is really very nice. The only feature i miss from git is the > > whatchanged -p, which shows a diff along with a changeset. > > python before, i just dig into the mercurial/commands.py a while and > > see what diff(), dodiff(), export(), show_changeset(), log() would > > normally do. There might be one thing or two missed or wrong. But here > > it is: a '-d' option to 'hg log' showing the diff info. You can use 'hg > > log -d' to show the whole history with the diff or 'hg log -d <file>' to > > show that info of a particular file. And also works with the '-r' > > option. > > Let's use -p. We're going to be combining the global and per command > switch namespace shortly and the global -p will disappear. Okay. '-d' changed to '-p'. Just like 'whatchanged -p', now we have 'hg log -p'. > Also, the argument list for show_changeset is getting a bit unwieldy. This time i remain show_changeset untouched at all. Only changed some bits of log().

#!/bin/sh
#
# This is an example of using HGEDITOR to automate the signing of
# commits and so on.

T1=""; T2=""
cleanup_exit() {
    rm -f "$T1" "$T2"
    exit $1
}

case "${EDITOR:=vi}" in
    emacs)
        EDITOR="$EDITOR -nw"
        ;;
    gvim|vim)
        EDITOR="$EDITOR -f -o"
        ;;
esac

if grep -q "^HG: merge resolve" "$1" ; then
    # we don't sign merges
    exec $EDITOR "$1"
else
    T1=`mktemp`; T2=`mktemp`
    MANIFEST=`grep '^HG: manifest hash' "$1" | cut -b 19-`

    echo -e "\n\nmanifest hash: $MANIFEST" >> "$T1"
    grep -vE '^(HG: manifest hash .*)?$' "$1" >> "$T1"
    (
        cd "`hg root`"
        grep '^HG: changed' "$1" | cut -b 13- | while read changed; do
            hg diff "$changed" >> "$T2"
        done
    )

    CHECKSUM=`md5sum "$T1"`
    $EDITOR "$T1" "$T2" || cleanup_exit $?
    echo "$CHECKSUM" | md5sum -c 2>/dev/null && cleanup_exit 0
    {
        head -1 "$T1"
        echo
        grep -v "^HG:" "$T1" | gpg -a -u "${HGUSER:-$EMAIL}" --clearsign
    } > "$T2" && mv "$T2" "$1"
    cleanup_exit $?
fi