view tests/test-eol-add @ 11989:f853873fc66d

aliases: provide more flexible ways to work with shell alias arguments

This patch changes the functionality of shell aliases to add more powerful
options for working with shell alias arguments.

First: the alias name + arguments to a shell alias are set as an HG_ARGS
environment variable, delimited by spaces. This matches the behavior of hooks.

Second: any occurrences of "$@" (without quotes) are replaced with the
arguments, separated by spaces. This happens *before* the alias gets to the shell.

Third: any positive numeric variables ("$1", "$2", etc) are replaced with the
appropriate argument, indexed from 1. "$0" is replaced with the name of the
alias. Any "extra" numeric variables are replaced with an empty string.  This
happens *before* the alias gets to the shell.

These changes allow for more flexible shell aliases:

    [alias]
    echo = !echo $@
    count = !hg log -r "$@" --template='.' | wc -c | sed -e 's/ //g'
    qqueuemv = !mv "`hg root`/.hg/patches-$1" "`hg root`/.hg/patches-$2"

In action:

    $ hg echo foo
    foo

    $ hg count 'branch(default)'
    901

    $ hg count 'branch(stable) and keyword(fixes)'
    102

    $ hg qqueuemv myfeature somefeature

#!/bin/sh

cat > $HGRCPATH <<EOF
[diff]
git = 1
EOF

seteol () {
    if [ $1 = "LF" ]; then
        EOL='\n'
    else
        EOL='\r\n'
    fi
}

makerepo () {
    echo
    echo "# ==== setup repository ===="
    echo '% hg init'
    hg init repo
    cd repo

    printf "first\nsecond\nthird\n" > a.txt
    hg commit -d '100 0' --addremove -m 'LF commit'
    cd ..
}

dotest () {
    seteol $1

    echo
    echo "% hg clone repo repo-$1"
    hg clone repo repo-$1
    cd repo-$1

    cat > .hg/hgrc <<EOF
[extensions]
eol =

[eol]
native = LF
EOF

    cat > .hgeol <<EOF
[patterns]
**.txt = native

[repository]
native = $1
EOF

    echo '% hg add .hgeol'
    hg add .hgeol
    echo '% hg status'
    hg status

    echo '% hg commit'
    hg commit -d '200 0' -m 'Added .hgeol file'

    echo '% hg status'
    hg status

    echo '% hg tip -p'
    hg tip -p | python $TESTDIR/printrepr.py

    cd ..
    rm -r repo-$1
}

makerepo
dotest LF
dotest CRLF
rm -r repo