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Location: kallithea/scripts/whitespacecleanup.sh - annotation

Thomas De Schampheleire
cli: fix 'front-end-build' on Windows (Issue #332)

On Windows, the command 'npm' is actually 'npm.cmd', a script and not a PE
executable. 'subprocess' will not resolve 'npm' into 'npm.cmd', while it
would resolve e.g. 'git' into 'git.exe', as the latter _is_ a PE
executable.

One solution is to change all references to the problematic scripts by
adding the '.cmd' extension explicitly, but this would not be compatible
with UNIX systems and thus require special handling.

On Windows, the problem can be solved by passing 'shell=True' to subprocess.
On UNIX, we don't need shell=True and prefer shell=False.
A solution that fits both cases is 'shell=kallithea.is_windows'.

Note: on Windows, next to the 'npm.cmd' file (and same for license-checker
etc.) there is also a file 'npm' (without extension). It is a shell script
(interpreter /bin/sh) for use on Windows with mingw/msys/cygwin. This script
will nevertheless never be used by the standard Windows command prompt and
is not used by Kallithea.
#!/bin/bash -x

# Enforce some consistency in whitespace - just to avoid spurious whitespaces changes

files=`hg mani | egrep -v '/fontello/|/email_templates/|(/lockfiles.py|^LICENSE-MERGELY.html|^docs/Makefile|^scripts/whitespacecleanup.sh|/(graph|mergely|native.history)\.js|/test_dump_html_mails.ref.html|\.png|\.gif|\.ico|\.pot|\.po|\.mo|\.tar\.gz|\.diff)$'`

sed -i "s/`printf '\r'`//g" $files
sed -i -e "s,`printf '\t'`,    ,g" $files
sed -i -e "s,  *$,,g" $files
sed -i -e 's,\([^ ]\)\\$,\1 \\,g' -e 's,\(["'"'"']["'"'"']["'"'"']\) \\$,\1\\,g' $files
# ensure one trailing newline - remove empty last line and make last line include trailing newline:
sed -i -e '$,${/^$/d}' -e '$a\' $files

sed -i -e 's,\([^ /]\){,\1 {,g' `hg loc '*.css'`
sed -i -e 's|^\([^ /].*,\)\([^ ]\)|\1 \2|g' `hg loc '*.css'`

hg mani | xargs chmod -x
hg loc 'set:!binary()&grep("^#!")&!(**_tmpl.py)&!(**/template**)' | xargs chmod +x

hg diff